Add extraInit and buildJdk args

Merge lenient configs

COPYING

@@ -0,0 +1,20 @@
+Copyright © Tad Fisher and the gradle2nix contributors
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

README.org

@@ -1,12 +1,156 @@
-* gradle2nix
+#+STARTUP: inlineimages
 
-Application and Gradle plugin to generate Nix build scripts for Gradle-based
+[[./assets/gradle2nix.png]]
-projects.
+
+Generate [[https://nixos.org/nix/][Nix]] expressions which build [[https://gradle.org/][Gradle]]-based projects.
+
+** Why?
+
+Nix is an OS-agnostic package manager, a language-agnostic build
+system, and a bespoke programming language. One of its unique features
+is that it is purely functional; a "package" is a function which
+accepts inputs (source code, configuration, etc) and produces an
+output (binaries, a Java JAR, documentation, really anything).
+
+One benefit of a functional build system is [[https://reproducible-builds.org/][reproducibility]]. If you
+specify your inputs precisely, and take care not to introduce
+impurities—such as files retrieved over a network without tracking
+their content—you will receive, byte-for-byte, the exact output as
+someone else running the same function over the same inputs.
+
+Gradle is not a functional build system. Most Gradle-based projects
+will produce highly variable outputs depending on a host of impure
+inputs, including:
+
+- The JVM hosting the build
+- The Gradle installation running the build
+- Any usage of dynamic version constraints for dependencies
+- SNAPSHOT dependencies
+- Environment variables and command-line options
+- Artifacts cached on the system hosting the build
+
+=gradle2nix= helps to solve this problem by leveraging Nix to control
+the most common inputs to a Gradle build. When run on a project, it
+will record all dependencies for both the build environment (including
+=plugins= and =buildscript= blocks) and the project, and provide a Nix
+expression to run the build given these dependencies. The build itself
+is then run in a sandbox, where only content-tracked network requests
+are allowed to fetch dependencies, and a local Maven repository is
+created on-the-fly to host the dependency artifacts somewhere Gradle
+can resolve them without a network.
+
+This tool is useful for both development and packaging. You can use
+=gradle2nix= to:
+
+- Create isolated and reproducible development environments that work
+  anywhere Nix itself can run;
+- Reduce or eliminate flakiness and maintenance headaches from CI/CD
+  pipelines
+- Distribute a recipe which can reliably build a Gradle project in
+  repositories such as the [[https://nixos.org/nixpkgs/][Nix Package Collection]].
 
 ** Installation
 
+A [[./default.nix][Nix expression]] (generated by =gradle2nix= itself) is provided for
+convenience. The following expression will fetch and build the latest
+version of this package:
+
+#+begin_src nix
+import (fetchTarball "https://github.com/tadfisher/gradle2nix/archive/master.tar.gz")  {}
+#+end_src
+
+If this expression is in, say, =gradle2nix.nix=, =gradle2nix= can be
+built and placed in =.//result= with the following:
+
+#+begin_example
+nix build -f gradle2nix.nix
+#+end_example
+
+You can also use the following one-liners to build or install
+=gradle2nix= in your user profile:
+
+#+begin_example
+# Build and place in ./result/
+nix build -f "https://github.com/tadfisher/gradle2nix/archive/master.tar.gz"
+
+# Build and install in the user profile
+nix-env -if "https://github.com/tadfisher/gradle2nix/archive/master.tar.gz"
+#+end_example
+
+=gradle2nix= is not yet packaged in =nixpkgs= itself, but work is
+[[https://github.com/NixOS/nixpkgs/pull/77422][in progress]].
 
 ** Usage
 
+#+begin_example
+Usage: gradle2nix [OPTIONS] [PROJECT-DIR]
+
+Options:
+  -g, --gradle-version VERSION     Use a specific Gradle version
+  -a, --gradle-args ARGS           Extra arguments to pass to Gradle
+  -c, --configuration NAME         Add a configuration to resolve (default:
+                                   all configurations)
+  -i, --include DIR                Add an additional project to include
+  -p, --project PATH               Only resolve these subproject paths, e.g.
+                                   ':', or ':sub:project' (default: all
+                                   projects)
+  -o, --out-dir DIR                Path to write generated files (default:
+                                   PROJECT-DIR)
+  -e, --env FILENAME               Prefix for environment files (.json and
+                                   .nix) (default: gradle-env)
+  -b, --build-src / -nb, --no-build-src
+                                   Include buildSrc project (default: true)
+  -q, --quiet                      Disable logging
+  -h, --help                       Show this message and exit
+
+Arguments:
+  PROJECT-DIR  Path to the project root (default: .)
+#+end_example
+
+Simply running =gradle2nix= in the root directory of a project should
+be enough for most projects. This will produce two files, by default
+called =gradle-env.json= and =gradle-env.nix=, which contain the
+pinned dependencies for the project and a standard build expression
+which can be imported or called by other Nix expressions. An example
+of such an expression can be found in this project's [[./default.nix][default.nix]].
+
+*** Specifying the Gradle version
+
+By default, if the project has configured the Gradle wrapper, that
+version will be detected and pinned; otherwise, the version of Gradle
+installed on your system will be pinned. You can override this with
+the =--gradle-version= argument, which also avoids the need to have
+Gradle installed.
+
+#+begin_example
+gradle2nix -g 6.1
+#+end_example
+
+*** Multi-project builds
+
+If you want to resolve only a subset of projects in a [[https://docs.gradle.org/current/userguide/intro_multi_project_builds.html][multi-project
+build]], add the =--project= option for each project. For example, in a
+project where you only want to build the subprojects =:app= and
+=:widget=:
+
+#+begin_example
+gradle2nix -p :app -p :widget
+#+end_example
+
+Any [[https://docs.gradle.org/current/userguide/declaring_dependencies.html#sub:project_dependencies][project dependencies]] will be also be included when pinning
+dependency artifacts.
+
+** Contributing
+
+Bug reports and feature requests are encouraged.
+
+[[https://github.com/tadfisher/gradle2nix/issues/new][Create an issue]]
+
+Code contributions are also encouraged. Please review the test cases
+in the [[./fixtures][fixtures]] directory and create a new one to reproduce any fixes
+or test new features. See the [[./plugin/src/compatTest/kotlin/org/nixos/gradle2nix][existing compatibility tests]] for
+examples of testing with these fixtures.
 
 ** License
+
+=gradle2nix= is licensed under the [[./COPYING][MIT License]].

app/build.gradle.kts

@@ -4,11 +4,9 @@ plugins {
     kotlin("jvm")
     kotlin("kapt")
     application
+    idea
 }
 
-group = "org.nixos"
-version = "1.0.0-SNAPSHOT"
-
 dependencies {
     implementation(project(":model"))
     implementation(kotlin("stdlib-jdk8"))
@@ -21,10 +19,15 @@ dependencies {
     implementation("com.squareup.moshi:moshi-kotlin:latest.release")
     kapt("com.squareup.moshi:moshi-kotlin-codegen:latest.release")
     implementation("com.squareup.okio:okio:latest.release")
+
+    testRuntimeOnly(kotlin("reflect"))
+    testImplementation("org.spekframework.spek2:spek-dsl-jvm:latest.release")
+    testRuntimeOnly("org.spekframework.spek2:spek-runner-junit5:latest.release")
+    testImplementation("io.strikt:strikt-core:latest.release")
 }
 
 application {
-    mainClassName = "org.nixos.gradle2nix.MainKt"
+    mainClass.set("org.nixos.gradle2nix.MainKt")
     applicationName = "gradle2nix"
     applicationDefaultJvmArgs += "-Dorg.nixos.gradle2nix.share=@APP_HOME@/share"
     applicationDistribution
@@ -33,11 +36,19 @@ application {
         .rename("plugin.*\\.jar", "plugin.jar")
 }
 
+sourceSets {
+    test {
+        resources {
+            srcDir("$rootDir/fixtures")
+        }
+    }
+}
+
 tasks {
     (run) {
         dependsOn(installDist)
         doFirst {
-            jvmArgs = listOf("-Dorg.nixos.gradle2nix.share=${installDist.get().destinationDir.resolve("share")}")
+            systemProperties("org.nixos.gradle2nix.share" to installDist.get().destinationDir.resolve("share"))
         }
     }
 
@@ -48,9 +59,28 @@ tasks {
         }
     }
 
+    test {
+        dependsOn(installDist)
+        doFirst {
+            systemProperties("org.nixos.gradle2nix.share" to installDist.get().destinationDir.resolve("share"))
+        }
+        useJUnitPlatform {
+            includeEngines("spek2")
+        }
+        testLogging {
+            events("passed", "skipped", "failed")
+        }
+    }
+
     withType<KotlinCompile> {
         kotlinOptions {
             jvmTarget = "1.8"
         }
     }
+
+    idea {
+        module {
+
+        }
+    }
 }

app/gradle.lockfile

@@ -0,0 +1,33 @@
+# This is a Gradle generated file for dependency locking.
+# Manual edits can break the build and are not advised.
+# This file is expected to be part of source control.
+com.christophsturm:filepeek:0.1.2=testRuntimeClasspath
+com.github.ajalt:clikt:2.8.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+com.squareup.moshi:moshi-adapters:1.11.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+com.squareup.moshi:moshi-kotlin:1.11.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+com.squareup.moshi:moshi:1.11.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+com.squareup.okio:okio:2.9.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+io.github.classgraph:classgraph:4.8.37=testRuntimeClasspath
+io.strikt:strikt-core:0.28.0=testCompileClasspath,testRuntimeClasspath
+net.swiftzer.semver:semver:1.1.1=runtimeClasspath,testRuntimeClasspath
+org.apiguardian:apiguardian-api:1.1.0=testRuntimeClasspath
+org.gradle:gradle-tooling-api:6.8-milestone-3=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-reflect:1.4.10=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib-common:1.4.10=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.4.10=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.4.10=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlin:kotlin-stdlib:1.4.10=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.jetbrains.kotlinx:kotlinx-coroutines-core-common:1.3.3=testRuntimeClasspath
+org.jetbrains.kotlinx:kotlinx-coroutines-core-jvm:1.3.9=testRuntimeClasspath
+org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.9=testRuntimeClasspath
+org.jetbrains:annotations:13.0=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-commons:1.6.0=testRuntimeClasspath
+org.junit.platform:junit-platform-engine:1.6.0=testRuntimeClasspath
+org.junit:junit-bom:5.6.0=testRuntimeClasspath
+org.opentest4j:opentest4j:1.2.0=testCompileClasspath,testRuntimeClasspath
+org.slf4j:slf4j-api:2.0.0-alpha1=compileClasspath,runtimeClasspath,testCompileClasspath,testRuntimeClasspath
+org.slf4j:slf4j-simple:2.0.0-alpha1=runtimeClasspath,testRuntimeClasspath
+org.spekframework.spek2:spek-dsl-jvm:2.0.14=testCompileClasspath,testRuntimeClasspath
+org.spekframework.spek2:spek-runner-junit5:2.0.14=testRuntimeClasspath
+org.spekframework.spek2:spek-runtime-jvm:2.0.14=testRuntimeClasspath
+empty=

app/gradle/dependency-locks/compileClasspath.lockfile

@@ -1,16 +0,0 @@
-# This is a Gradle generated file for dependency locking.
-# Manual edits can break the build and are not advised.
-# This file is expected to be part of source control.
-com.github.ajalt:clikt:2.2.0
-com.squareup.moshi:moshi-adapters:1.9.1
-com.squareup.moshi:moshi-kotlin:1.9.1
-com.squareup.moshi:moshi:1.9.1
-com.squareup.okio:okio:2.4.1
-org.gradle:gradle-tooling-api:5.6.3
-org.jetbrains.kotlin:kotlin-reflect:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib:1.3.50
-org.jetbrains:annotations:13.0
-org.slf4j:slf4j-api:2.0.0-alpha1

app/gradle/dependency-locks/runtimeClasspath.lockfile

@@ -1,17 +0,0 @@
-# This is a Gradle generated file for dependency locking.
-# Manual edits can break the build and are not advised.
-# This file is expected to be part of source control.
-com.github.ajalt:clikt:2.2.0
-com.squareup.moshi:moshi-adapters:1.9.1
-com.squareup.moshi:moshi-kotlin:1.9.1
-com.squareup.moshi:moshi:1.9.1
-com.squareup.okio:okio:2.4.1
-org.gradle:gradle-tooling-api:5.6.3
-org.jetbrains.kotlin:kotlin-reflect:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib:1.3.50
-org.jetbrains:annotations:13.0
-org.slf4j:slf4j-api:2.0.0-alpha1
-org.slf4j:slf4j-simple:2.0.0-alpha1

app/gradle/dependency-locks/testCompileClasspath.lockfile

@@ -1,16 +0,0 @@
-# This is a Gradle generated file for dependency locking.
-# Manual edits can break the build and are not advised.
-# This file is expected to be part of source control.
-com.github.ajalt:clikt:2.2.0
-com.squareup.moshi:moshi-adapters:1.9.1
-com.squareup.moshi:moshi-kotlin:1.9.1
-com.squareup.moshi:moshi:1.9.1
-com.squareup.okio:okio:2.4.1
-org.gradle:gradle-tooling-api:5.6.3
-org.jetbrains.kotlin:kotlin-reflect:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib:1.3.50
-org.jetbrains:annotations:13.0
-org.slf4j:slf4j-api:2.0.0-alpha1

app/gradle/dependency-locks/testRuntimeClasspath.lockfile

@@ -1,17 +0,0 @@
-# This is a Gradle generated file for dependency locking.
-# Manual edits can break the build and are not advised.
-# This file is expected to be part of source control.
-com.github.ajalt:clikt:2.2.0
-com.squareup.moshi:moshi-adapters:1.9.1
-com.squareup.moshi:moshi-kotlin:1.9.1
-com.squareup.moshi:moshi:1.9.1
-com.squareup.okio:okio:2.4.1
-org.gradle:gradle-tooling-api:5.6.3
-org.jetbrains.kotlin:kotlin-reflect:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-common:1.3.50
-org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.3.41
-org.jetbrains.kotlin:kotlin-stdlib:1.3.50
-org.jetbrains:annotations:13.0
-org.slf4j:slf4j-api:2.0.0-alpha1
-org.slf4j:slf4j-simple:2.0.0-alpha1

app/src/dist/share/gradle-env.nix

@@ -4,7 +4,7 @@
 #
 #     with (import <nixpkgs> {});
 #     let
-#       buildGradle = callPackage ./gradleEnv.nix {};
+#       buildGradle = callPackage ./gradle-env.nix {};
 #     in
 #       buildGradle {
 #         envSpec = ./gradle-env.json;
@@ -19,17 +19,36 @@
 #         '';
 #       }
 
-{ stdenv, lib, buildEnv, fetchurl, gradleGen, writeText }:
+{ stdenv, buildEnv, fetchurl, gradleGen, writeText, writeTextDir }:
 
-{ envSpec
+{
+# Path to the environment spec generated by gradle2nix (e.g. gradle-env.json).
+  envSpec
 , pname ? null
 , version ? null
 , enableParallelBuilding ? true
+# Arguments to Gradle used to build the project in buildPhase.
 , gradleFlags ? [ "build" ]
+# Gradle package to use instead of the one generated by gradle2nix.
 , gradlePackage ? null
+# Enable debugging for the Gradle build; this will cause Gradle to run a debug server
+# and wait for a JVM debugging client to attach.
+, enableDebug ? false
+# Additional code to run in the Gradle init script (init.gradle).
+, extraInit ? ""
+# Override the default JDK used to run Gradle itself.
+, buildJdk ? null
 , ... } @ args:
 
 let
+  inherit (builtins)
+    attrValues concatStringsSep filter fromJSON match replaceStrings sort;
+
+  inherit (stdenv.lib)
+    assertMsg concatMapStringsSep groupBy' hasSuffix last mapAttrs
+    mapAttrsToList optionalString readFile removeSuffix unique versionAtLeast
+    versionOlder;
+
   mkDep = depSpec: stdenv.mkDerivation {
     inherit (depSpec) name;
 
@@ -41,41 +60,201 @@ let
 
     installPhase = ''
       mkdir -p $out/${depSpec.path}
-      ln -s $src $out/${depSpec.path}/${depSpec.filename}
+      ln -s $src $out/${depSpec.path}/${depSpec.name}
     '';
   };
 
+  mkModuleMetadata = deps:
+    let
+      ids = filter
+        (id: id.type == "pom")
+        (map (dep: dep.id) deps);
+
+      modules = groupBy'
+        (meta: id:
+          let
+            isNewer = versionOlder meta.latest id.version;
+            isNewerRelease =
+              !(hasSuffix "-SNAPSHOT" id.version) &&
+              versionOlder meta.release id.version;
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            latest = if isNewer then id.version else meta.latest;
+            release = if isNewerRelease then id.version else meta.release;
+            versions = meta.versions ++ [id.version];
+          }
+        )
+        {
+          latest = "";
+          release = "";
+          versions = [];
+        }
+        (id: "${replaceStrings ["."] ["/"] id.group}/${id.name}/maven-metadata.xml")
+        ids;
+
+    in
+      attrValues (mapAttrs (path: meta:
+        let
+          versions' = sort versionOlder (unique meta.versions);
+        in
+          with meta; writeTextDir path ''
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1">
+              <groupId>${groupId}</groupId>
+              <artifactId>${artifactId}</artifactId>
+              <versioning>
+                ${optionalString (latest != "") "<latest>${latest}</latest>"}
+                ${optionalString (release != "") "<release>${release}</release>"}
+                <versions>
+                  ${concatMapStringsSep "\n    " (v: "<version>${v}</version>") versions'}
+                </versions>
+              </versioning>
+            </metadata>
+          ''
+      ) modules);
+
+  mkSnapshotMetadata = deps:
+    let
+      snapshotDeps = filter (dep: dep ? build && dep ? timestamp) deps;
+
+      modules = groupBy'
+        (meta: dep:
+          let
+            id = dep.id;
+            isNewer = dep.build > meta.buildNumber;
+            # Timestamp values can be bogus, e.g. jitpack.io
+            updated = if (match "[0-9]{8}\.[0-9]{6}" dep.timestamp) != null
+                      then replaceStrings ["."] [""] dep.timestamp
+                      else "";
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            version = id.version;
+            timestamp = if isNewer then dep.timestamp else meta.timestamp;
+            buildNumber = if isNewer then dep.build else meta.buildNumber;
+            lastUpdated = if isNewer then updated else meta.lastUpdated;
+            versions = meta.versions or [] ++ [{
+              classifier = id.classifier or "";
+              extension = id.extension;
+              value = "${removeSuffix "-SNAPSHOT" id.version}-${dep.timestamp}-${toString dep.build}";
+              updated = updated;
+            }];
+          }
+        )
+        {
+          timestamp = "";
+          buildNumber = -1;
+          lastUpdated = "";
+        }
+        (dep: "${replaceStrings ["."] ["/"] dep.id.group}/${dep.id.name}/${dep.id.version}/maven-metadata.xml")
+        snapshotDeps;
+
+      mkSnapshotVersion = version: ''
+        <snapshotVersion>
+          ${optionalString (version.classifier != "") "<classifier>${version.classifier}</classifier>"}
+          <extension>${version.extension}</extension>
+          <value>${version.value}</value>
+          ${optionalString (version.updated != "") "<updated>${version.updated}</updated>"}
+        </snapshotVersion>
+      '';
+
+    in
+      attrValues (mapAttrs (path: meta:
+        with meta; writeTextDir path ''
+          <?xml version="1.0" encoding="UTF-8"?>
+          <metadata modelVersion="1.1">
+            <groupId>${groupId}</groupId>
+            <artifactId>${artifactId}</artifactId>
+            <version>${version}</version>
+            <versioning>
+              <snapshot>
+                ${optionalString (timestamp != "") "<timestamp>${timestamp}</timestamp>"}
+                ${optionalString (buildNumber != -1) "<buildNumber>${toString buildNumber}</buildNumber>"}
+              </snapshot>
+              ${optionalString (lastUpdated != "") "<lastUpdated>${lastUpdated}</lastUpdated>"}
+              <snapshotVersions>
+                ${concatMapStringsSep "\n    " mkSnapshotVersion versions}
+              </snapshotVersions>
+            </versioning>
+          </metadata>
+        ''
+      ) modules);
+
   mkRepo = project: type: deps: buildEnv {
     name = "${project}-gradle-${type}-env";
-    paths = map mkDep deps;
+    paths = map mkDep deps ++ mkModuleMetadata deps ++ mkSnapshotMetadata deps;
   };
 
-  mkInitScript = projectSpec:
+  mkInitScript = projectSpec: gradle:
     let
-      repos = builtins.mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
+      repos = mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
+      hasDependencies = mapAttrs (type: deps: deps != []) projectSpec.dependencies;
     in
+      assert (assertMsg (hasDependencies.settings -> versionAtLeast gradle.version "6.0") ''
+        Project `${projectSpec.name}' has settings script dependencies, such as settings
+        plugins, which are not supported by gradle2nix for Gradle versions prior to 6.0.
+
+        Potential remedies:
+        - Pass `--gradle-version=<version>' to the gradle2nix command.
+        - Patch the `settings.gradle[.kts]' file to remove script dependencies.
+      '');
+
       writeText "init.gradle" ''
-        gradle.settingsEvaluated {
+        static def offlineRepo(RepositoryHandler repositories, String env, String path) {
-          it.pluginManagement.repositories {
+            repositories.clear()
-            clear()
+            repositories.maven {
-            maven { url = uri("${repos.plugin}") }
+                name "Nix''${env.capitalize()}MavenOffline"
+                url path
+                metadataSources {
+                    it.gradleMetadata()
+                    it.mavenPom()
+                    it.artifact()
+                }
+            }
+            repositories.ivy {
+                name "Nix''${env.capitalize()}IvyOffline"
+                url path
+                layout "maven"
+                metadataSources {
+                    it.gradleMetadata()
+                    it.ivyDescriptor()
+                    it.artifact()
+                }
             }
         }
 
+        ${optionalString (hasDependencies.settings && (versionAtLeast gradle.version "6.0")) ''
+          gradle.beforeSettings {
+              offlineRepo(it.buildscript.repositories, "settings", "${repos.settings}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.plugin) ''
+          gradle.settingsEvaluated {
+              offlineRepo(it.pluginManagement.repositories, "plugin", "${repos.plugin}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.buildscript) ''
           gradle.projectsLoaded {
               allprojects {
                   buildscript {
-              repositories {
+                      offlineRepo(repositories, "buildscript", "${repos.buildscript}")
-                clear()
-                maven { url = uri("${repos.buildscript}") }
-              }
-            }
-            repositories {
-              clear()
-              maven { url = uri("${repos.project}") }
                   }
               }
           }
+        ''}
+
+        ${optionalString (hasDependencies.project) ''
+          gradle.projectsLoaded {
+              allprojects {
+                  offlineRepo(repositories, "project", "${repos.project}")
+              }
+          }
+        ''}
+
+        ${extraInit}
       '';
 
   mkGradle = gradleSpec:
@@ -87,22 +266,42 @@ let
       src = fetchurl {
         inherit (gradleSpec) url sha256;
       };
+    } // {
+      inherit (gradleSpec) version;
     };
 
-  mkProjectEnv = projectSpec: {
+  mkProjectEnv = projectSpec: rec {
-    inherit (projectSpec) name version;
+    inherit (projectSpec) name path version;
-    initScript = mkInitScript projectSpec;
     gradle = args.gradlePackage or mkGradle projectSpec.gradle;
+    initScript = mkInitScript projectSpec gradle;
   };
 
-  gradleEnv = builtins.mapAttrs
+  gradleEnv = mapAttrs
     (_: p: mkProjectEnv p)
-    (builtins.fromJSON (builtins.readFile envSpec));
+    (fromJSON (readFile envSpec));
 
   projectEnv = gradleEnv."";
   pname = args.pname or projectEnv.name;
   version = args.version or projectEnv.version;
 
+  buildProject = env: flags: ''
+    gradle --offline --no-daemon --no-build-cache \
+      --info --full-stacktrace --warning-mode=all \
+      ${optionalString enableParallelBuilding "--parallel"} \
+      ${optionalString enableDebug "-Dorg.gradle.debug=true"} \
+      ${optionalString (buildJdk != null) "-Dorg.gradle.java.home=${buildJdk.home}"} \
+      --init-script ${env.initScript} \
+      ${optionalString (env.path != "") ''-p "${env.path}"''} \
+      ${concatStringsSep " " flags}
+  '';
+
+  buildIncludedProjects =
+    concatStringsSep "\n" (mapAttrsToList
+      (_: env: buildProject env [ "build" ])
+      (removeAttrs gradleEnv [ "" ]));
+
+  buildRootProject = buildProject projectEnv gradleFlags;
+
 in stdenv.mkDerivation (args // {
 
   inherit pname version;
@@ -113,14 +312,16 @@ in stdenv.mkDerivation (args // {
     runHook preBuild
 
     (
-    set -x
+    set -eux
-    env \
+
-      "GRADLE_USER_HOME=$(mktemp -d)" \
+    # use the init script here
-      gradle --offline --no-daemon --no-build-cache \
+    TMPHOME=$(mktemp -d)
-        --info --full-stacktrace --warning-mode=all \
+    mkdir -p $TMPHOME/init.d
-        ${lib.optionalString enableParallelBuilding "--parallel"} \
+    cp ${projectEnv.initScript} $TMPHOME/init.d
-        --init-script ${projectEnv.initScript} \
+
-        ${builtins.concatStringsSep " " gradleFlags}
+    export "GRADLE_USER_HOME=$TMPHOME"
+    ${buildIncludedProjects}
+    ${buildRootProject}
     )
 
     runHook postBuild

app/src/main/kotlin/org/nixos/gradle2nix/Env.kt

@@ -8,16 +8,7 @@ data class NixGradleEnv(
     val version: String,
     val path: String,
     val gradle: DefaultGradle,
-    val dependencies: Map<String, List<Dependency>>
+    val dependencies: Map<String, List<DefaultArtifact>>
-)
-
-@JsonClass(generateAdapter = true)
-data class Dependency(
-    val name: String,
-    val filename: String,
-    val path: String,
-    val urls: List<String>,
-    val sha256: String
 )
 
 fun buildEnv(builds: Map<String, DefaultBuild>): Map<String, NixGradleEnv> =
@@ -28,58 +19,32 @@ fun buildEnv(builds: Map<String, DefaultBuild>): Map<String, NixGradleEnv> =
             path = path,
             gradle = build.gradle,
             dependencies = mapOf(
-                "plugin" to buildRepo(build.pluginDependencies).values.toList(),
+                "settings" to build.settingsDependencies,
-                "buildscript" to build.rootProject.collectDependencies(DefaultProject::buildscriptDependencies)
+                "plugin" to build.pluginDependencies,
-                    .values.toList(),
+                "buildscript" to build.rootProject.collectDependencies(DefaultProject::buildscriptDependencies),
                 "project" to build.rootProject.collectDependencies(DefaultProject::projectDependencies)
-                    .values.toList()
             )
         )
     }
 
-private fun DefaultProject.collectDependencies(chooser: DefaultProject.() -> DefaultDependencies): Map<DefaultArtifact, Dependency> {
+private fun DefaultProject.collectDependencies(
-    val result = mutableMapOf<DefaultArtifact, Dependency>()
+    chooser: DefaultProject.() -> List<DefaultArtifact>
-    mergeRepo(result, buildRepo(chooser()))
+): List<DefaultArtifact> {
+    val result = mutableMapOf<ArtifactIdentifier, DefaultArtifact>()
+    mergeRepo(result, chooser())
     for (child in children) {
         mergeRepo(result, child.collectDependencies(chooser))
     }
-    return result
+    return result.values.toList()
 }
 
-private fun buildRepo(deps: DefaultDependencies): Map<DefaultArtifact, Dependency> =
+private fun mergeRepo(
-    deps.artifacts.associate { artifact ->
+    base: MutableMap<ArtifactIdentifier, DefaultArtifact>,
-        val name = with(artifact) {
+    extra: List<DefaultArtifact>
-            buildString {
+) {
-                append("$groupId-$artifactId-$version")
+    extra.forEach { artifact ->
-                if (classifier.isNotEmpty()) append("-$classifier")
+        base.merge(artifact.id, artifact) { old, new ->
-                append("-$extension")
+            old.copy(urls = old.urls.union(new.urls).toList())
-                replace(Regex("[^A-Za-z0-9+\\-._?=]"), "_")
-            }
-        }
-        val filename = with(artifact) {
-            buildString {
-                append("$artifactId-$version")
-                if (classifier.isNotEmpty()) append("-$classifier")
-                append(".$extension")
-            }
-        }
-        val path = with(artifact) { "${groupId.replace(".", "/")}/$artifactId/$version" }
-        val dep = Dependency(
-            name = name,
-            filename = filename,
-            path = path,
-            urls = deps.repositories.maven.flatMap { repo ->
-                repo.urls.map { "${it.removeSuffix("/")}/$path/$filename"  }
-            },
-            sha256 = artifact.sha256
-        )
-        artifact to dep
-    }
-
-private fun mergeRepo(base: MutableMap<DefaultArtifact, Dependency>, extra: Map<DefaultArtifact, Dependency>) {
-    extra.forEach { (artifact, dep) ->
-        base.merge(artifact, dep) { old, new ->
-            old.copy(urls = old.urls + (new.urls - old.urls))
         }
     }
 }

app/src/main/kotlin/org/nixos/gradle2nix/GradleRunner.kt

@@ -21,6 +21,7 @@ fun ProjectConnection.getBuildModel(config: Config, path: String): DefaultBuild
             "-Porg.nixos.gradle2nix.configurations=${config.configurations.joinToString(",")}",
             "-Porg.nixos.gradle2nix.subprojects=${config.subprojects.joinToString(",")}"
         )
+        if (config.gradleArgs != null) addArguments(config.gradleArgs)
         if (path.isNotEmpty()) addArguments("--project-dir=$path")
         if (!config.quiet) {
             setStandardOutput(System.err)

app/src/main/kotlin/org/nixos/gradle2nix/Logger.kt

@@ -4,7 +4,8 @@ import java.io.PrintStream
 
 class Logger(
     val out: PrintStream = System.err,
-    val verbose: Boolean) {
+    val verbose: Boolean
+) {
 
     val log: (String) -> Unit = { if (verbose) out.println(it) }
     val warn: (String) -> Unit = { out.println("Warning: $it")}

app/src/main/kotlin/org/nixos/gradle2nix/Main.kt

@@ -8,7 +8,11 @@ import com.github.ajalt.clikt.parameters.arguments.ProcessedArgument
 import com.github.ajalt.clikt.parameters.arguments.argument
 import com.github.ajalt.clikt.parameters.arguments.convert
 import com.github.ajalt.clikt.parameters.arguments.default
-import com.github.ajalt.clikt.parameters.options.*
+import com.github.ajalt.clikt.parameters.options.default
+import com.github.ajalt.clikt.parameters.options.flag
+import com.github.ajalt.clikt.parameters.options.multiple
+import com.github.ajalt.clikt.parameters.options.option
+import com.github.ajalt.clikt.parameters.options.validate
 import com.github.ajalt.clikt.parameters.types.file
 import com.squareup.moshi.Moshi
 import com.squareup.moshi.Types
@@ -20,6 +24,7 @@ val shareDir: String = System.getProperty("org.nixos.gradle2nix.share")
 
 data class Config(
     val gradleVersion: String?,
+    val gradleArgs: String?,
     val configurations: List<String>,
     val projectDir: File,
     val includes: List<File>,
@@ -37,6 +42,10 @@ class Main : CliktCommand(
         metavar = "VERSION",
         help = "Use a specific Gradle version")
 
+    private val gradleArgs: String? by option("--gradle-args", "-a",
+        metavar = "ARGS",
+        help = "Extra arguments to pass to Gradle")
+
     private val configurations: List<String> by option("--configuration", "-c",
         metavar = "NAME",
         help = "Add a configuration to resolve (default: all configurations)")
@@ -45,7 +54,7 @@ class Main : CliktCommand(
     private val includes: List<File> by option("--include", "-i",
         metavar = "DIR",
         help = "Add an additional project to include")
-        .file(exists = true, fileOkay = false, folderOkay = true, readable = true)
+        .file(mustExist = true, canBeFile = false, canBeDir = true, mustBeReadable = true)
         .multiple()
         .validate { files ->
             val failures = files.filterNot { it.isProjectRoot() }
@@ -69,12 +78,12 @@ class Main : CliktCommand(
             }
         }
 
-    private val outDir: File? by option("--out-dir", "-o",
+    val outDir: File? by option("--out-dir", "-o",
         metavar = "DIR",
         help = "Path to write generated files (default: PROJECT-DIR)")
-        .file(fileOkay = false, folderOkay = true)
+        .file(canBeFile = false, canBeDir = true)
 
-    private val envFile: String by option("--env", "-e",
+    val envFile: String by option("--env", "-e",
         metavar = "FILENAME",
         help = "Prefix for environment files (.json and .nix)")
         .default("gradle-env")
@@ -95,8 +104,20 @@ class Main : CliktCommand(
         }
     }
 
+    // Visible for testing
+    lateinit var config: Config
+
     override fun run() {
-        val config = Config(gradleVersion, configurations, projectDir, includes, subprojects, buildSrc, quiet)
+        config = Config(
+            gradleVersion,
+            gradleArgs,
+            configurations,
+            projectDir,
+            includes,
+            subprojects,
+            buildSrc,
+            quiet
+        )
         val (log, _, _) = Logger(verbose = !config.quiet)
 
         val paths = resolveProjects(config).map { p ->

app/src/test/kotlin/org/nixos/gradle2nix/BuildSrcTest.kt

@@ -0,0 +1,19 @@
+package org.nixos.gradle2nix
+
+import org.spekframework.spek2.Spek
+import org.spekframework.spek2.style.specification.describe
+import strikt.api.expectThat
+import strikt.assertions.containsKey
+
+object BuildSrcTest : Spek({
+    fixture("buildsrc/plugin-in-buildsrc/kotlin")
+    val fixture: Fixture by memoized()
+
+    describe("project with plugin in buildSrc") {
+        fixture.run()
+
+        it("should include buildSrc in gradle env", timeout = 0) {
+            expectThat(fixture.env()).containsKey("buildSrc")
+        }
+    }
+})

app/src/test/kotlin/org/nixos/gradle2nix/TestUtil.kt

@@ -0,0 +1,57 @@
+package org.nixos.gradle2nix
+
+import com.squareup.moshi.Moshi
+import com.squareup.moshi.Types
+import okio.buffer
+import okio.source
+import org.spekframework.spek2.dsl.Root
+import strikt.api.expectThat
+import strikt.assertions.exists
+import strikt.assertions.isNotNull
+import strikt.assertions.toPath
+import java.nio.file.Files
+import java.nio.file.Path
+import java.nio.file.Paths
+
+private val moshi = Moshi.Builder().build()
+
+class Fixture(val project: Path) {
+    private val app = Main()
+
+    fun run(vararg args: String) {
+        app.main(args.toList() + project.toString())
+    }
+
+    fun env(): Map<String, NixGradleEnv> {
+        val file = (app.outDir ?: project.toFile()).resolve("${app.envFile}.json")
+        expectThat(file).toPath().exists()
+        val env = file.source().buffer().use { source ->
+            moshi
+                .adapter<Map<String, NixGradleEnv>>(
+                    Types.newParameterizedType(Map::class.java, String::class.java, NixGradleEnv::class.java)
+                ).fromJson(source)
+        }
+        expectThat(env).isNotNull()
+        return env!!
+    }
+}
+
+fun Root.fixture(name: String) {
+    val fixture by memoized(
+        factory = {
+            val url = checkNotNull(Thread.currentThread().contextClassLoader.getResource(name)?.toURI()) {
+                "$name: No test fixture found"
+            }
+            val fixtureRoot = Paths.get(url)
+            val dest = createTempDir("gradle2nix").toPath()
+            val src = checkNotNull(fixtureRoot.takeIf { Files.exists(it) }) {
+                "$name: Test fixture not found: $fixtureRoot"
+            }
+            src.toFile().copyRecursively(dest.toFile())
+            Fixture(dest)
+        },
+        destructor = {
+            it.project.toFile().deleteRecursively()
+        }
+    )
+}

assets/gradle2nix.svg

@@ -0,0 +1,680 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
+<svg
+   xmlns:dc="http://purl.org/dc/elements/1.1/"
+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   width="1280"
+   height="640"
+   viewBox="0 0 338.66666 169.33334"
+   version="1.1"
+   id="svg8"
+   inkscape:version="0.92.4 (5da689c313, 2019-01-14)"
+   sodipodi:docname="gradle2nix.svg">
+  <defs
+     id="defs2">
+    <linearGradient
+       gradientTransform="matrix(0.52333152,0,0,0.52333152,25.176839,183.12552)"
+       id="linear-gradient"
+       x1="1.5"
+       y1="29.09"
+       x2="88.3"
+       y2="38.21"
+       gradientUnits="userSpaceOnUse">
+      <stop
+         offset="0"
+         stop-color="#06a0ce"
+         id="stop4734" />
+      <stop
+         offset="1"
+         stop-color="#51cbbf"
+         id="stop4736" />
+    </linearGradient>
+    <style
+       id="style4930">.Graphic-Style-2{fill:url(#linear-gradient);}</style>
+    <linearGradient
+       gradientUnits="userSpaceOnUse"
+       y2="38.21"
+       x2="88.3"
+       y1="29.09"
+       x1="1.5"
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+         stop-color="#06a0ce"
+         offset="0" />
+      <stop
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+         stop-color="#51cbbf"
+         offset="1" />
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+    <linearGradient
+       id="linearGradient5562"
+       inkscape:collect="always">
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+       inkscape:collect="always">
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+          <use
+             height="100%"
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+             xlink:href="#path4260-0"
+             y="0"
+             x="0"
+             style="display:inline" />
+        </g>
+      </g>
+    </g>
+    <flowRoot
+       xml:space="preserve"
+       id="flowRoot6066"
+       style="font-style:normal;font-weight:normal;font-size:40px;line-height:1.25;font-family:sans-serif;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none"><flowRegion
+         id="flowRegion6068"><rect
+           id="rect6070"
+           width="650"
+           height="201.42857"
+           x="428.57144"
+           y="231.42857" /></flowRegion><flowPara
+         id="flowPara6072" /></flowRoot>    <g
+       id="g3895"
+       transform="matrix(1.087741,0,0,1.0877425,-1.5979005,-62.174062)">
+      <g
+         id="g4759"
+         transform="translate(0,-0.48648156)">
+        <flowRoot
+           transform="matrix(0.45162205,0,0,0.45162205,-75.796378,125.9913)"
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+           id="flowRoot3849"
+           xml:space="preserve"><flowRegion
+             style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:url(#linearGradient4765);fill-opacity:1"
+             id="flowRegion3845"><rect
+               style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:url(#linearGradient4763);fill-opacity:1"
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+               x="412.85715"
+               height="200"
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+               id="rect3843" /></flowRegion><flowPara
+             style="fill:url(#linearGradient4767);fill-opacity:1"
+             id="flowPara3847">gradle</flowPara></flowRoot>        <flowRoot
+           transform="matrix(0.45162205,0,0,0.45162205,34.199761,125.86986)"
+           style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;line-height:1.25;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;fill:#ff2a2a;fill-opacity:0.68707485;stroke:none"
+           id="flowRoot3865"
+           xml:space="preserve"><flowRegion
+             style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:#ff2a2a;fill-opacity:0.68707485"
+             id="flowRegion3861"><rect
+               style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:#ff2a2a;fill-opacity:0.68707485"
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+               x="412.85715"
+               height="200"
+               width="787.14282"
+               id="rect3859" /></flowRegion><flowPara
+             id="flowPara3863">2</flowPara></flowRoot>        <flowRoot
+           xml:space="preserve"
+           id="flowRoot3873"
+           style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;line-height:1.25;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;letter-spacing:0px;word-spacing:0px;writing-mode:lr-tb;text-anchor:start;opacity:1;fill:url(#linearGradient4745);fill-opacity:1;stroke:none"
+           transform="matrix(0.45162205,0,0,0.45162205,56.653631,125.86986)"><flowRegion
+             id="flowRegion3869"
+             style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:url(#linearGradient4773);fill-opacity:1"><rect
+               id="rect3867"
+               width="787.14282"
+               height="200"
+               x="412.85715"
+               y="218.57143"
+               style="font-style:normal;font-variant:normal;font-weight:300;font-stretch:normal;font-size:96px;font-family:Vegur;-inkscape-font-specification:'Vegur, Light';font-variant-ligatures:normal;font-variant-caps:normal;font-variant-numeric:normal;font-feature-settings:normal;text-align:start;writing-mode:lr-tb;text-anchor:start;fill:url(#linearGradient4771);fill-opacity:1" /></flowRegion><flowPara
+             style="fill:url(#linearGradient4775);fill-opacity:1"
+             id="flowPara3871">nix</flowPara></flowRoot>      </g>
+    </g>
+  </g>
+</svg>

build.gradle.kts

@@ -3,15 +3,20 @@ plugins {
     idea
     kotlin("jvm") version embeddedKotlinVersion apply false
     kotlin("kapt") version embeddedKotlinVersion apply false
-    id("com.github.johnrengelman.shadow") version "5.1.0" apply false
+    id("com.github.johnrengelman.shadow") version "5.2.0" apply false
-    id("org.ajoberstar.stutter") version "0.5.0" apply false
+    id("org.ajoberstar.stutter") version "0.5.1" apply false
 }
 
+group = "org.nixos.gradle2nix"
+version = property("VERSION") ?: "unspecified"
+
 subprojects {
     repositories {
         jcenter()
         maven { url = uri("https://repo.gradle.org/gradle/libs-releases") }
     }
+    group = rootProject.group
+    version = rootProject.version
 }
 
 allprojects {
@@ -31,12 +36,11 @@ allprojects {
             tasks.register("lock") {
                 doFirst {
                     assert(gradle.startParameter.isWriteDependencyLocks)
+                    file("buildscript-gradle.lockfile").delete()
+                    file("gradle.lockfile").delete()
                 }
                 doLast {
-                    sourceSets.all {
+                    configurations.matching { it.isCanBeResolved}.all { resolve() }
-                        configurations[compileClasspathConfigurationName].resolve()
-                        configurations[runtimeClasspathConfigurationName].resolve()
-                    }
                 }
             }
         }
@@ -45,7 +49,7 @@ allprojects {
 
 tasks {
     wrapper {
-        gradleVersion = "5.6.3"
+        gradleVersion = "6.8-milestone-3"
         distributionType = Wrapper.DistributionType.ALL
     }
 }

default.nix

@@ -3,12 +3,25 @@
 with pkgs;
 
 let
-  buildGradle = pkgs.callPackage ./gradle-env.nix {};
+  buildGradle = callPackage ./gradle-env.nix {};
 
-in buildGradle {
+  gradle2nix = buildGradle {
     envSpec = ./gradle-env.json;
 
+    src = lib.cleanSourceWith {
+      filter = lib.cleanSourceFilter;
+      src = lib.cleanSourceWith {
+        filter = path: type: let baseName = baseNameOf path; in !(
+          (type == "directory" && (
+            baseName == "build" ||
+            baseName == ".idea" ||
+            baseName == ".gradle"
+          )) ||
+          (lib.hasSuffix ".iml" baseName)
+        );
         src = ./.;
+      };
+    };
 
     gradleFlags = [ "installDist" ];
 
@@ -16,4 +29,10 @@ in buildGradle {
       mkdir -p $out
       cp -r app/build/install/gradle2nix/* $out/
     '';
-}
+
+    passthru = {
+      plugin = "${gradle2nix}/share/plugin.jar";
+    };
+  };
+
+in gradle2nix

fixtures/basic/basic-java-project/groovy/build.gradle

@@ -0,0 +1,13 @@
+plugins {
+    id 'java'
+}
+
+repositories {
+    jcenter()
+    mavenCentral()
+}
+
+dependencies {
+    implementation 'com.squareup.okio:okio:2.2.2'
+    implementation 'com.squareup.moshi:moshi:1.8.0'
+}

fixtures/basic/basic-java-project/kotlin/build.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    java
+}
+
+repositories {
+    jcenter()
+    mavenCentral()
+}
+
+dependencies {
+    implementation("com.squareup.okio:okio:2.2.2")
+    implementation("com.squareup.moshi:moshi:1.8.0")
+}

fixtures/basic/basic-kotlin-project/kotlin/build.gradle.kts

@@ -0,0 +1,30 @@
+    val kotlinVersion = "1.3.61"
+    val spekVersion = "2.0.9"
+
+    plugins {
+        application
+        kotlin("jvm") version "1.3.61"
+    }
+
+    dependencies {
+        compile(kotlin("stdlib"))
+        implementation("com.natpryce:konfig:1.6.10.0")
+        implementation("com.github.pengrad:java-telegram-bot-api:4.6.0")
+        implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.3.3")
+        implementation("org.jetbrains.exposed:exposed-core:0.21.1")
+        implementation("org.jetbrains.exposed", "exposed-dao", "0.21.1")
+        implementation("org.jetbrains.exposed", "exposed-jdbc", "0.21.1")
+        implementation("org.jetbrains.exposed", "exposed-jodatime", "0.21.1")
+        implementation("io.javalin:javalin:3.7.0")
+        implementation("org.slf4j:slf4j-simple:1.8.0-beta4")
+        implementation(group = "org.xerial", name = "sqlite-jdbc", version = "3.30.1")
+        implementation("org.postgresql:postgresql:42.2.2")
+        implementation("com.fasterxml.jackson.core:jackson-databind:2.10.1")
+        testImplementation("org.spekframework.spek2:spek-dsl-jvm:$spekVersion")
+        testRuntimeOnly("org.spekframework.spek2:spek-runner-junit5:$spekVersion")
+        testCompile("com.winterbe:expekt:0.5.0")
+    }
+
+    repositories {
+        jcenter()
+    }

fixtures/buildsrc/plugin-in-buildsrc/kotlin/build.gradle.kts

@@ -0,0 +1,4 @@
+plugins {
+    `java-library`
+    id("com.example.custom-spotless")
+}

fixtures/buildsrc/plugin-in-buildsrc/kotlin/buildSrc/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    `kotlin-dsl`
+}
+
+repositories {
+    jcenter()
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:3.28.1")
+}

fixtures/buildsrc/plugin-in-buildsrc/kotlin/buildSrc/src/main/kotlin/com.example/custom-spotless.gradle.kts

@@ -0,0 +1,11 @@
+package com.example
+
+plugins {
+    com.diffplug.gradle.spotless
+}
+
+spotless {
+    kotlin {
+        ktlint()
+    }
+}

fixtures/dependency/classifier/groovy/build.gradle

@@ -0,0 +1,11 @@
+plugins {
+    id 'java'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation 'com.badlogicgames.gdx:gdx-platform:1.9.9:natives-desktop'
+}

fixtures/dependency/classifier/kotlin/build.gradle.kts

@@ -0,0 +1,11 @@
+plugins {
+    java
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("com.badlogicgames.gdx:gdx-platform:1.9.9:natives-desktop")
+}

fixtures/dependency/maven-bom/kotlin/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+    java
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    implementation(platform("io.micrometer:micrometer-bom:1.5.1"))
+    implementation("io.micrometer:micrometer-core")
+}

fixtures/dependency/snapshot-dynamic/groovy/build.gradle

@@ -0,0 +1,11 @@
+plugins {
+    id "java"
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    implementation "org.apache:test-SNAPSHOT1:2.0.2-SNAPSHOT"
+}

fixtures/dependency/snapshot-dynamic/kotlin/build.gradle.kts

@@ -0,0 +1,11 @@
+plugins {
+    java
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    "implementation"("org.apache:test-SNAPSHOT1:2.0.2-SNAPSHOT")
+}

fixtures/dependency/snapshot-redirect/groovy/build.gradle

@@ -0,0 +1,12 @@
+plugins {
+    id 'java'
+}
+
+repositories {
+    jcenter()
+    maven { url 'https://jitpack.io' }
+}
+
+dependencies {
+    implementation 'com.github.anuken:packr:-SNAPSHOT'
+}

fixtures/dependency/snapshot/groovy/build.gradle

@@ -0,0 +1,11 @@
+plugins {
+    id "java"
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    implementation "org.apache:test-SNAPSHOT2:2.0.2-SNAPSHOT"
+}

fixtures/dependency/snapshot/kotlin/build.gradle.kts

@@ -0,0 +1,11 @@
+plugins {
+    java
+}
+
+repositories {
+    maven { url = uri("http://localhost:9999") }
+}
+
+dependencies {
+    "implementation"("org.apache:test-SNAPSHOT2:2.0.2-SNAPSHOT")
+}

fixtures/integration/settings-buildscript/groovy/build.gradle

@@ -0,0 +1 @@
+version = '1.1.0'

fixtures/integration/settings-buildscript/groovy/default.nix

@@ -0,0 +1,9 @@
+with (import <nixpkgs> {});
+let
+  buildGradle = callPackage ./gradle-env.nix {};
+in
+  buildGradle {
+    envSpec = ./gradle-env.json;
+    src = ./.;
+    gradleFlags = [ "tasks" ];
+  }

fixtures/integration/settings-buildscript/groovy/gradle-env.json

@@ -0,0 +1,456 @@
+{
+  "": {
+    "name": "settings-buildscript",
+    "version": "1.1.0",
+    "path": "",
+    "gradle": {
+      "version": "5.0",
+      "type": "bin",
+      "url": "https://services.gradle.org/distributions/gradle-5.0-bin.zip",
+      "sha256": "6157ac9f3410bc63644625b3b3e9e96c963afd7910ae0697792db57813ee79a6",
+      "nativeVersion": "0.14"
+    },
+    "dependencies": {
+      "settings": [
+        {
+          "id": {
+            "group": "com.googlecode.javaewah",
+            "name": "JavaEWAH",
+            "version": "1.1.6",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "JavaEWAH-1.1.6.jar",
+          "path": "com/googlecode/javaewah/JavaEWAH/1.1.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/com/googlecode/javaewah/JavaEWAH/1.1.6/JavaEWAH-1.1.6.jar"
+          ],
+          "sha256": "f78d44a1e3877f1ce748b4a85df5171e5e8e9a5c3c6f63bb9003db6f84cce952"
+        },
+        {
+          "id": {
+            "group": "com.googlecode.javaewah",
+            "name": "JavaEWAH",
+            "version": "1.1.6",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "JavaEWAH-1.1.6.pom",
+          "path": "com/googlecode/javaewah/JavaEWAH/1.1.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/com/googlecode/javaewah/JavaEWAH/1.1.6/JavaEWAH-1.1.6.pom"
+          ],
+          "sha256": "7f4ff919b1ee17bf3776e058a3f20e6173db23a5e44cf2d107ec7570c186abf0"
+        },
+        {
+          "id": {
+            "group": "com.jcraft",
+            "name": "jsch",
+            "version": "0.1.54",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "jsch-0.1.54.jar",
+          "path": "com/jcraft/jsch/0.1.54",
+          "urls": [
+            "https://plugins.gradle.org/m2/com/jcraft/jsch/0.1.54/jsch-0.1.54.jar"
+          ],
+          "sha256": "92eb273a3316762478fdd4fe03a0ce1842c56f496c9c12fe1235db80450e1fdb"
+        },
+        {
+          "id": {
+            "group": "com.jcraft",
+            "name": "jsch",
+            "version": "0.1.54",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "jsch-0.1.54.pom",
+          "path": "com/jcraft/jsch/0.1.54",
+          "urls": [
+            "https://plugins.gradle.org/m2/com/jcraft/jsch/0.1.54/jsch-0.1.54.pom"
+          ],
+          "sha256": "ab8f512039be7f6ae20e18e743b4a9d8a20958494431917da58ae5aaef8a3478"
+        },
+        {
+          "id": {
+            "group": "commons-codec",
+            "name": "commons-codec",
+            "version": "1.6",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "commons-codec-1.6.jar",
+          "path": "commons-codec/commons-codec/1.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/commons-codec/commons-codec/1.6/commons-codec-1.6.jar"
+          ],
+          "sha256": "54b34e941b8e1414bd3e40d736efd3481772dc26db3296f6aa45cec9f6203d86"
+        },
+        {
+          "id": {
+            "group": "commons-codec",
+            "name": "commons-codec",
+            "version": "1.6",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "commons-codec-1.6.pom",
+          "path": "commons-codec/commons-codec/1.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/commons-codec/commons-codec/1.6/commons-codec-1.6.pom"
+          ],
+          "sha256": "a06e35d3fff3a6b813d94894ebf3e498f9540c864c5b39ae783907e3a6c72889"
+        },
+        {
+          "id": {
+            "group": "commons-logging",
+            "name": "commons-logging",
+            "version": "1.1.3",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "commons-logging-1.1.3.jar",
+          "path": "commons-logging/commons-logging/1.1.3",
+          "urls": [
+            "https://plugins.gradle.org/m2/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.jar"
+          ],
+          "sha256": "70903f6fc82e9908c8da9f20443f61d90f0870a312642991fe8462a0b9391784"
+        },
+        {
+          "id": {
+            "group": "commons-logging",
+            "name": "commons-logging",
+            "version": "1.1.3",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "commons-logging-1.1.3.pom",
+          "path": "commons-logging/commons-logging/1.1.3",
+          "urls": [
+            "https://plugins.gradle.org/m2/commons-logging/commons-logging/1.1.3/commons-logging-1.1.3.pom"
+          ],
+          "sha256": "3250ac3ac6bd60ed0631f5cd0335032b2993d63e405a6ae0555d27a7e4865849"
+        },
+        {
+          "id": {
+            "group": "gradle.plugin.net.vivin",
+            "name": "gradle-semantic-build-versioning",
+            "version": "4.0.0",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "gradle-semantic-build-versioning-4.0.0.jar",
+          "path": "gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0",
+          "urls": [
+            "https://plugins.gradle.org/m2/gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0/gradle-semantic-build-versioning-4.0.0.jar"
+          ],
+          "sha256": "5138e67ce8e019437800b93c9f6f9d0fcbebefadc96fbc4ebc0975c99a261ef8"
+        },
+        {
+          "id": {
+            "group": "gradle.plugin.net.vivin",
+            "name": "gradle-semantic-build-versioning",
+            "version": "4.0.0",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "gradle-semantic-build-versioning-4.0.0.pom",
+          "path": "gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0",
+          "urls": [
+            "https://plugins.gradle.org/m2/gradle/plugin/net/vivin/gradle-semantic-build-versioning/4.0.0/gradle-semantic-build-versioning-4.0.0.pom"
+          ],
+          "sha256": "4f2828741607ed102d95eb5f189d496c7840ed463acea89f1e51a60567714ef7"
+        },
+        {
+          "id": {
+            "group": "org.apache",
+            "name": "apache",
+            "version": "9",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "apache-9.pom",
+          "path": "org/apache/apache/9",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/apache/9/apache-9.pom"
+          ],
+          "sha256": "4946e60a547c8eda69f3bc23c5b6f0dadcf8469ea49b1d1da7de34aecfcf18dd"
+        },
+        {
+          "id": {
+            "group": "org.apache",
+            "name": "apache",
+            "version": "13",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "apache-13.pom",
+          "path": "org/apache/apache/13",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/apache/13/apache-13.pom"
+          ],
+          "sha256": "ff513db0361fd41237bef4784968bc15aae478d4ec0a9496f811072ccaf3841d"
+        },
+        {
+          "id": {
+            "group": "org.apache.commons",
+            "name": "commons-parent",
+            "version": "22",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "commons-parent-22.pom",
+          "path": "org/apache/commons/commons-parent/22",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/commons/commons-parent/22/commons-parent-22.pom"
+          ],
+          "sha256": "fb8c5e55e30a7addb4ff210858a0e8d2494ed6757bbe19012da99d51586c3cbb"
+        },
+        {
+          "id": {
+            "group": "org.apache.commons",
+            "name": "commons-parent",
+            "version": "28",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "commons-parent-28.pom",
+          "path": "org/apache/commons/commons-parent/28",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/commons/commons-parent/28/commons-parent-28.pom"
+          ],
+          "sha256": "14733a68e8b120b69de60cd96d222146dcf32f03c1c6cc6a750b1269bafe86c7"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpclient",
+            "version": "4.3.6",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "httpclient-4.3.6.jar",
+          "path": "org/apache/httpcomponents/httpclient/4.3.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpclient/4.3.6/httpclient-4.3.6.jar"
+          ],
+          "sha256": "79838d9eaef73d4f852c63a480830c3a2d4b590f0ab3ae815a489463e4714004"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpclient",
+            "version": "4.3.6",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "httpclient-4.3.6.pom",
+          "path": "org/apache/httpcomponents/httpclient/4.3.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpclient/4.3.6/httpclient-4.3.6.pom"
+          ],
+          "sha256": "d02634f6131e914961c02aa836711ebac72704b27e26c5bd223bbad89b1b64c3"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpcomponents-client",
+            "version": "4.3.6",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "httpcomponents-client-4.3.6.pom",
+          "path": "org/apache/httpcomponents/httpcomponents-client/4.3.6",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcomponents-client/4.3.6/httpcomponents-client-4.3.6.pom"
+          ],
+          "sha256": "4ada2827b496339826891c7c81dceba647029de6fc1888b16b3cab5650abcc63"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpcomponents-core",
+            "version": "4.3.3",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "httpcomponents-core-4.3.3.pom",
+          "path": "org/apache/httpcomponents/httpcomponents-core/4.3.3",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcomponents-core/4.3.3/httpcomponents-core-4.3.3.pom"
+          ],
+          "sha256": "c16e2fc0d49ba7a02cef5b5e2600585a9f673553328a6f9e58f24296df1dd031"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpcore",
+            "version": "4.3.3",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "httpcore-4.3.3.jar",
+          "path": "org/apache/httpcomponents/httpcore/4.3.3",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcore/4.3.3/httpcore-4.3.3.jar"
+          ],
+          "sha256": "5285de80af1651c489313b91a9f40c65a4cdcb6b3bde716fcc028d16869a5a93"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "httpcore",
+            "version": "4.3.3",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "httpcore-4.3.3.pom",
+          "path": "org/apache/httpcomponents/httpcore/4.3.3",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/httpcore/4.3.3/httpcore-4.3.3.pom"
+          ],
+          "sha256": "b427f7cf67c75a4e3f9e2108d35bf45303573c145ec778fcadcffacef17a1264"
+        },
+        {
+          "id": {
+            "group": "org.apache.httpcomponents",
+            "name": "project",
+            "version": "7",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "project-7.pom",
+          "path": "org/apache/httpcomponents/project/7",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/apache/httpcomponents/project/7/project-7.pom"
+          ],
+          "sha256": "3d6eba428555a558de046b5d76eacc1f5a54b4f5f20b84d636ed7aff18aa48c3"
+        },
+        {
+          "id": {
+            "group": "org.eclipse.jgit",
+            "name": "org.eclipse.jgit",
+            "version": "4.8.0.201706111038-r",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "org.eclipse.jgit-4.8.0.201706111038-r.jar",
+          "path": "org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r/org.eclipse.jgit-4.8.0.201706111038-r.jar"
+          ],
+          "sha256": "49d912e8d5cce0dd08dca3d390189db8692a8f7e3363cdbbe182581462000aba"
+        },
+        {
+          "id": {
+            "group": "org.eclipse.jgit",
+            "name": "org.eclipse.jgit",
+            "version": "4.8.0.201706111038-r",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "org.eclipse.jgit-4.8.0.201706111038-r.pom",
+          "path": "org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit/4.8.0.201706111038-r/org.eclipse.jgit-4.8.0.201706111038-r.pom"
+          ],
+          "sha256": "a556a9f5adfc6af49b2a12e72dc3cd7e43db8fdc216c0f35885972a2f5ada27d"
+        },
+        {
+          "id": {
+            "group": "org.eclipse.jgit",
+            "name": "org.eclipse.jgit-parent",
+            "version": "4.8.0.201706111038-r",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "org.eclipse.jgit-parent-4.8.0.201706111038-r.pom",
+          "path": "org/eclipse/jgit/org.eclipse.jgit-parent/4.8.0.201706111038-r",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/eclipse/jgit/org.eclipse.jgit-parent/4.8.0.201706111038-r/org.eclipse.jgit-parent-4.8.0.201706111038-r.pom"
+          ],
+          "sha256": "396a4cc894206873ff107d066a996252b0b47f585b88cf57fc3b31e93d492878"
+        },
+        {
+          "id": {
+            "group": "org.slf4j",
+            "name": "slf4j-api",
+            "version": "1.7.2",
+            "type": "jar",
+            "extension": "jar"
+          },
+          "name": "slf4j-api-1.7.2.jar",
+          "path": "org/slf4j/slf4j-api/1.7.2",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/slf4j/slf4j-api/1.7.2/slf4j-api-1.7.2.jar"
+          ],
+          "sha256": "3bae789b401333b2a1d1603b7fa573e19908628191707203f6eb708cdee2c052"
+        },
+        {
+          "id": {
+            "group": "org.slf4j",
+            "name": "slf4j-api",
+            "version": "1.7.2",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "slf4j-api-1.7.2.pom",
+          "path": "org/slf4j/slf4j-api/1.7.2",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/slf4j/slf4j-api/1.7.2/slf4j-api-1.7.2.pom"
+          ],
+          "sha256": "2eaca71afe0a1516f4abd8e9ff907838d268f38c81c3a542cce8d7f3b87c5d4c"
+        },
+        {
+          "id": {
+            "group": "org.slf4j",
+            "name": "slf4j-parent",
+            "version": "1.7.2",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "slf4j-parent-1.7.2.pom",
+          "path": "org/slf4j/slf4j-parent/1.7.2",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/slf4j/slf4j-parent/1.7.2/slf4j-parent-1.7.2.pom"
+          ],
+          "sha256": "1d8e084a6f2384ade42685332b52a0ece090478641dc14c0fa8c52e1e2984425"
+        },
+        {
+          "id": {
+            "group": "org.sonatype.oss",
+            "name": "oss-parent",
+            "version": "5",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "oss-parent-5.pom",
+          "path": "org/sonatype/oss/oss-parent/5",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/sonatype/oss/oss-parent/5/oss-parent-5.pom"
+          ],
+          "sha256": "1678d4120a585d8a630131aeec4c524d928398583b7eab616ee7d5a87f520d3d"
+        },
+        {
+          "id": {
+            "group": "org.sonatype.oss",
+            "name": "oss-parent",
+            "version": "6",
+            "type": "pom",
+            "extension": "pom"
+          },
+          "name": "oss-parent-6.pom",
+          "path": "org/sonatype/oss/oss-parent/6",
+          "urls": [
+            "https://plugins.gradle.org/m2/org/sonatype/oss/oss-parent/6/oss-parent-6.pom"
+          ],
+          "sha256": "b4306d13e8f5392458a1b30866f1cff161b3d2e6999a88d059eea3932c8a8499"
+        }
+      ],
+      "plugin": [],
+      "buildscript": [],
+      "project": []
+    }
+  }
+}

fixtures/integration/settings-buildscript/groovy/gradle-env.nix

@@ -0,0 +1,318 @@
+# This file is generated by gradle2nix.
+#
+# Example usage (e.g. in default.nix):
+#
+#     with (import <nixpkgs> {});
+#     let
+#       buildGradle = callPackage ./gradle-env.nix {};
+#     in
+#       buildGradle {
+#         envSpec = ./gradle-env.json;
+#
+#         src = ./.;
+#
+#         gradleFlags = [ "installDist" ];
+#
+#         installPhase = ''
+#           mkdir -p $out
+#           cp -r app/build/install/myproject $out
+#         '';
+#       }
+
+{ stdenv, buildEnv, fetchurl, gradleGen, writeText, writeTextDir }:
+
+{ envSpec
+, pname ? null
+, version ? null
+, enableParallelBuilding ? true
+, gradleFlags ? [ "build" ]
+, gradlePackage ? null
+, enableDebug ? false
+, ... } @ args:
+
+let
+  inherit (builtins)
+    attrValues concatStringsSep filter fromJSON match replaceStrings sort;
+
+  inherit (stdenv.lib)
+    assertMsg concatMapStringsSep groupBy' hasSuffix last mapAttrs
+    mapAttrsToList optionalString readFile removeSuffix unique versionAtLeast
+    versionOlder;
+
+  mkDep = depSpec: stdenv.mkDerivation {
+    inherit (depSpec) name;
+
+    src = fetchurl {
+      inherit (depSpec) urls sha256;
+    };
+
+    phases = "installPhase";
+
+    installPhase = ''
+      mkdir -p $out/${depSpec.path}
+      ln -s $src $out/${depSpec.path}/${depSpec.name}
+    '';
+  };
+
+  mkModuleMetadata = deps:
+    let
+      ids = filter
+        (id: id.type == "pom")
+        (map (dep: dep.id) deps);
+
+      modules = groupBy'
+        (meta: id:
+          let
+            isNewer = versionOlder meta.latest id.version;
+            isNewerRelease =
+              !(hasSuffix "-SNAPSHOT" id.version) &&
+              versionOlder meta.release id.version;
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            latest = if isNewer then id.version else meta.latest;
+            release = if isNewerRelease then id.version else meta.release;
+            versions = meta.versions ++ [id.version];
+          }
+        )
+        {
+          latest = "";
+          release = "";
+          versions = [];
+        }
+        (id: "${replaceStrings ["."] ["/"] id.group}/${id.name}/maven-metadata.xml")
+        ids;
+
+    in
+      attrValues (mapAttrs (path: meta:
+        let
+          versions' = sort versionOlder (unique meta.versions);
+        in
+          with meta; writeTextDir path ''
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1">
+              <groupId>${groupId}</groupId>
+              <artifactId>${artifactId}</artifactId>
+              <versioning>
+                ${optionalString (latest != "") "<latest>${latest}</latest>"}
+                ${optionalString (release != "") "<release>${release}</release>"}
+                <versions>
+                  ${concatMapStringsSep "\n    " (v: "<version>${v}</version>") versions'}
+                </versions>
+              </versioning>
+            </metadata>
+          ''
+      ) modules);
+
+  mkSnapshotMetadata = deps:
+    let
+      snapshotDeps = filter (dep: dep ? build && dep ? timestamp) deps;
+
+      modules = groupBy'
+        (meta: dep:
+          let
+            id = dep.id;
+            isNewer = dep.build > meta.buildNumber;
+            # Timestamp values can be bogus, e.g. jitpack.io
+            updated = if (match "[0-9]{8}\.[0-9]{6}" dep.timestamp) != null
+                      then replaceStrings ["."] [""] dep.timestamp
+                      else "";
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            version = id.version;
+            timestamp = if isNewer then dep.timestamp else meta.timestamp;
+            buildNumber = if isNewer then dep.build else meta.buildNumber;
+            lastUpdated = if isNewer then updated else meta.lastUpdated;
+            versions = meta.versions or [] ++ [{
+              classifier = id.classifier or "";
+              extension = id.extension;
+              value = "${removeSuffix "-SNAPSHOT" id.version}-${dep.timestamp}-${toString dep.build}";
+              updated = updated;
+            }];
+          }
+        )
+        {
+          timestamp = "";
+          buildNumber = -1;
+          lastUpdated = "";
+        }
+        (dep: "${replaceStrings ["."] ["/"] dep.id.group}/${dep.id.name}/${dep.id.version}/maven-metadata.xml")
+        snapshotDeps;
+
+      mkSnapshotVersion = version: ''
+        <snapshotVersion>
+          ${optionalString (version.classifier != "") "<classifier>${version.classifier}</classifier>"}
+          <extension>${version.extension}</extension>
+          <value>${version.value}</value>
+          ${optionalString (version.updated != "") "<updated>${version.updated}</updated>"}
+        </snapshotVersion>
+      '';
+
+    in
+      attrValues (mapAttrs (path: meta:
+        with meta; writeTextDir path ''
+          <?xml version="1.0" encoding="UTF-8"?>
+          <metadata modelVersion="1.1">
+            <groupId>${groupId}</groupId>
+            <artifactId>${artifactId}</artifactId>
+            <version>${version}</version>
+            <versioning>
+              <snapshot>
+                ${optionalString (timestamp != "") "<timestamp>${timestamp}</timestamp>"}
+                ${optionalString (buildNumber != -1) "<buildNumber>${toString buildNumber}</buildNumber>"}
+              </snapshot>
+              ${optionalString (lastUpdated != "") "<lastUpdated>${lastUpdated}</lastUpdated>"}
+              <snapshotVersions>
+                ${concatMapStringsSep "\n    " mkSnapshotVersion versions}
+              </snapshotVersions>
+            </versioning>
+          </metadata>
+        ''
+      ) modules);
+
+  mkRepo = project: type: deps: buildEnv {
+    name = "${project}-gradle-${type}-env";
+    paths = map mkDep deps ++ mkModuleMetadata deps ++ mkSnapshotMetadata deps;
+  };
+
+  mkInitScript = projectSpec: gradle:
+    let
+      repos = mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
+      hasDependencies = mapAttrs (type: deps: deps != []) projectSpec.dependencies;
+    in
+      assert (assertMsg (hasDependencies.settings -> versionAtLeast gradle.version "6.0") ''
+        Project `${projectSpec.name}' has settings script dependencies, such as settings
+        plugins, which are not supported by gradle2nix for Gradle versions prior to 6.0.
+
+        Potential remedies:
+        - Pass `--gradle-version=<version>' to the gradle2nix command.
+        - Patch the `settings.gradle[.kts]' file to remove script dependencies.
+      '');
+
+      writeText "init.gradle" ''
+        static def offlineRepo(RepositoryHandler repositories, String env, String path) {
+            repositories.clear()
+            repositories.maven {
+                name "Nix''${env.capitalize()}MavenOffline"
+                url path
+                metadataSources {
+                    it.gradleMetadata()
+                    it.mavenPom()
+                    it.artifact()
+                }
+            }
+            repositories.ivy {
+                name "Nix''${env.capitalize()}IvyOffline"
+                url path
+                layout "maven"
+                metadataSources {
+                    it.gradleMetadata()
+                    it.ivyDescriptor()
+                    it.artifact()
+                }
+            }
+        }
+
+        ${optionalString (hasDependencies.settings && (versionAtLeast gradle.version "6.0")) ''
+          gradle.beforeSettings {
+              offlineRepo(it.buildscript.repositories, "settings", "${repos.settings}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.plugin) ''
+          gradle.settingsEvaluated {
+              offlineRepo(it.pluginManagement.repositories, "plugin", "${repos.plugin}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.buildscript) ''
+          gradle.projectsLoaded {
+              allprojects {
+                  buildscript {
+                      offlineRepo(repositories, "buildscript", "${repos.buildscript}")
+                  }
+              }
+          }
+        ''}
+
+        ${optionalString (hasDependencies.project) ''
+          gradle.projectsLoaded {
+              allprojects {
+                  offlineRepo(repositories, "project", "${repos.project}")
+              }
+          }
+        ''}
+      '';
+
+  mkGradle = gradleSpec:
+    gradleGen.gradleGen {
+      inherit (gradleSpec) nativeVersion;
+
+      name = "gradle-${gradleSpec.version}-${gradleSpec.type}";
+
+      src = fetchurl {
+        inherit (gradleSpec) url sha256;
+      };
+    } // {
+      inherit (gradleSpec) version;
+    };
+
+  mkProjectEnv = projectSpec: rec {
+    inherit (projectSpec) name path version;
+    gradle = args.gradlePackage or mkGradle projectSpec.gradle;
+    initScript = mkInitScript projectSpec gradle;
+  };
+
+  gradleEnv = mapAttrs
+    (_: p: mkProjectEnv p)
+    (fromJSON (readFile envSpec));
+
+  projectEnv = gradleEnv."";
+  pname = args.pname or projectEnv.name;
+  version = args.version or projectEnv.version;
+
+  buildProject = env: flags: ''
+    gradle --offline --no-daemon --no-build-cache \
+      --info --full-stacktrace --warning-mode=all \
+      ${optionalString enableParallelBuilding "--parallel"} \
+      ${optionalString enableDebug "-Dorg.gradle.debug=true"} \
+      --init-script ${env.initScript} \
+      ${optionalString (env.path != "") ''-p "${env.path}"''} \
+      ${concatStringsSep " " flags}
+  '';
+
+  buildIncludedProjects =
+    concatStringsSep "\n" (mapAttrsToList
+      (_: env: buildProject env [ "build" ])
+      (removeAttrs gradleEnv [ "" ]));
+
+  buildRootProject = buildProject projectEnv gradleFlags;
+
+in stdenv.mkDerivation (args // {
+
+  inherit pname version;
+
+  nativeBuildInputs = (args.nativeBuildInputs or []) ++ [ projectEnv.gradle ];
+
+  buildPhase = args.buildPhase or ''
+    runHook preBuild
+
+    (
+    set -x
+
+    # use the init script here
+    TMPHOME=$(mktemp -d)
+    mkdir -p $TMPHOME/init.d
+    cp ${projectEnv.initScript} $TMPHOME/init.d
+
+    export "GRADLE_USER_HOME=$TMPHOME"
+    ${buildIncludedProjects}
+    ${buildRootProject}
+    )
+
+    runHook postBuild
+  '';
+
+  dontStrip = true;
+})

fixtures/integration/settings-buildscript/groovy/semantic-build-versioning.gradle

@@ -0,0 +1 @@
+startingVersion = '1.0.0'

fixtures/integration/settings-buildscript/groovy/settings.gradle

@@ -0,0 +1,14 @@
+buildscript {
+    repositories {
+        maven {
+            url 'https://plugins.gradle.org/m2/'
+        }
+    }
+    dependencies {
+        classpath 'gradle.plugin.net.vivin:gradle-semantic-build-versioning:4.0.0'
+    }
+}
+
+rootProject.name = "settings-buildscript"
+
+//apply plugin: 'net.vivin.gradle-semantic-build-versioning'

fixtures/ivy/basic/kotlin/build.gradle.kts

@@ -0,0 +1,20 @@
+plugins {
+    java
+}
+
+repositories {
+    ivy {
+        url = uri("https://asset.opendof.org")
+        layout("pattern") {
+            this as IvyPatternRepositoryLayout
+            ivy("ivy2/[organisation]/[module]/[revision]/ivy(.[platform]).xml")
+            artifact("artifact/[organisation]/[module]/[revision](/[platform])(/[type]s)/[artifact]-[revision](-[classifier]).[ext]")
+        }
+    }
+}
+
+dependencies {
+    dependencies {
+        implementation("org.opendof.core-java:dof-cipher-sms4:1.0")
+    }
+}

fixtures/plugin/resolves-from-default-repo/groovy/build.gradle

@@ -0,0 +1,7 @@
+plugins {
+    id "org.jetbrains.kotlin.jvm" version "1.3.50"
+}
+
+repositories {
+    jcenter()
+}

fixtures/plugin/resolves-from-default-repo/kotlin/build.gradle.kts

@@ -0,0 +1,7 @@
+plugins {
+    kotlin("jvm") version "1.3.50"
+}
+
+repositories {
+    jcenter()
+}

fixtures/repositories/m2/com/github/anuken/packr/-SNAPSHOT/maven-metadata.xml

@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ Copyright 2020 the original author or authors.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<metadata modelVersion="1.0.0">
+    <groupId>com.github.anuken</groupId>
+    <artifactId>packr</artifactId>
+    <version>-packr-1.2-g034efe5-114</version>
+    <versioning>
+        <snapshot>
+            <timestamp>packr-1.2-g034efe5</timestamp>
+            <buildNumber>114</buildNumber>
+        </snapshot>
+    </versioning>
+</metadata>

fixtures/repositories/m2/com/github/anuken/packr/-packr-1.2-g034efe5-114/packr--packr-1.2-g034efe5-114.pom

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>com.github.anuken</groupId>
+  <artifactId>packr</artifactId>
+  <version>-SNAPSHOT</version>
+  <dependencies>
+    <dependency>
+      <groupId>org.zeroturnaround</groupId>
+      <artifactId>zt-zip</artifactId>
+      <version>1.10</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.eclipsesource.minimal-json</groupId>
+      <artifactId>minimal-json</artifactId>
+      <version>0.9.1</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.lexicalscope.jewelcli</groupId>
+      <artifactId>jewelcli</artifactId>
+      <version>0.8.9</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-simple</artifactId>
+      <version>1.6.6</version>
+      <scope>compile</scope>
+    </dependency>
+  </dependencies>
+</project>

fixtures/repositories/m2/com/github/anuken/packr/maven-metadata.xml

@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+  ~ Copyright 2020 the original author or authors.
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<metadata modelVersion="1.0.0">
+    <groupId>com.github.anuken</groupId>
+    <artifactId>packr</artifactId>
+    <versioning>
+        <release>packr-1.2</release>
+        <versions>
+            <version>packr-1.2</version>
+        </versions>
+    </versioning>
+</metadata>

fixtures/repositories/m2/io/micrometer/micrometer-bom/1.5.1/_remote.repositories

@@ -0,0 +1,3 @@
+#NOTE: This is a Maven Resolver internal implementation file, its format can be changed without prior notice.
+#Thu Sep 24 11:23:49 PDT 2020
+micrometer-bom-1.5.1.pom>maven-public=

fixtures/repositories/m2/io/micrometer/micrometer-bom/1.5.1/micrometer-bom-1.5.1.pom

@@ -0,0 +1,174 @@
+cp <?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>io.micrometer</groupId>
+  <artifactId>micrometer-bom</artifactId>
+  <version>1.5.1</version>
+  <packaging>pom</packaging>
+  <dependencyManagement>
+    <dependencies>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-core</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-jersey2</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-appoptics</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-atlas</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-azure-monitor</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-cloudwatch</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-cloudwatch2</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-datadog</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-dynatrace</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-elastic</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-ganglia</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-graphite</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-humio</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-influx</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-jmx</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-kairos</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-new-relic</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-opentsdb</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-prometheus</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-signalfx</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-stackdriver</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-statsd</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-registry-wavefront</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+      <dependency>
+        <groupId>io.micrometer</groupId>
+        <artifactId>micrometer-test</artifactId>
+        <version>1.5.1</version>
+      </dependency>
+    </dependencies>
+  </dependencyManagement>
+  <name>micrometer-bom</name>
+  <description>Micrometer BOM (Bill of Materials) for managing Micrometer artifact versions</description>
+  <licenses>
+    <license>
+      <name>The Apache Software License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+  <properties>
+    <nebula_Manifest_Version>1.0</nebula_Manifest_Version>
+    <nebula_Implementation_Title>io.micrometer#micrometer-bom;1.5.1</nebula_Implementation_Title>
+    <nebula_Implementation_Version>1.5.1</nebula_Implementation_Version>
+    <nebula_Built_Status>release</nebula_Built_Status>
+    <nebula_Built_By>circleci</nebula_Built_By>
+    <nebula_Built_OS>Linux</nebula_Built_OS>
+    <nebula_Build_Date>2020-05-08_16:43:24</nebula_Build_Date>
+    <nebula_Gradle_Version>6.4</nebula_Gradle_Version>
+    <nebula_Module_Source>/micrometer-bom</nebula_Module_Source>
+    <nebula_Module_Origin>git@github.com:micrometer-metrics/micrometer.git</nebula_Module_Origin>
+    <nebula_Change>5984c10</nebula_Change>
+    <nebula_Branch>5984c10fc12b781652e27a9ea95c439f96e73cf8</nebula_Branch>
+    <nebula_Build_Host>82db0d896427</nebula_Build_Host>
+    <nebula_Build_Job>LOCAL</nebula_Build_Job>
+    <nebula_Build_Number>LOCAL</nebula_Build_Number>
+    <nebula_Build_Id>LOCAL</nebula_Build_Id>
+    <nebula_Created_By>14.0.1+7 (Oracle Corporation)</nebula_Created_By>
+    <nebula_Build_Java_Version>14.0.1</nebula_Build_Java_Version>
+    <nebula_Module_Owner>tludwig@vmware.com</nebula_Module_Owner>
+    <nebula_Module_Email>tludwig@vmware.com</nebula_Module_Email>
+  </properties>
+  <url>https://github.com/micrometer-metrics/micrometer</url>
+  <scm>
+    <url>git@github.com:micrometer-metrics/micrometer.git</url>
+  </scm>
+  <developers>
+    <developer>
+      <id>shakuzen</id>
+      <name>Tommy Ludwig</name>
+      <email>tludwig@vmware.com</email>
+    </developer>
+  </developers>
+</project>

fixtures/repositories/m2/io/micrometer/micrometer-bom/1.5.1/micrometer-bom-1.5.1.pom.sha1

@@ -0,0 +1 @@
+fb57aac12f2370e7115ab8af5265322397cae49e

fixtures/repositories/m2/io/micrometer/micrometer-core/1.5.1/_remote.repositories

@@ -0,0 +1,4 @@
+#NOTE: This is a Maven Resolver internal implementation file, its format can be changed without prior notice.
+#Sat Nov 21 19:26:36 PST 2020
+micrometer-core-1.5.1.jar>central=
+micrometer-core-1.5.1.pom>central=

fixtures/repositories/m2/io/micrometer/micrometer-core/1.5.1/micrometer-core-1.5.1.jar.sha1

@@ -0,0 +1 @@
+f58ddf32310729011f6c2171fbe1a085b4336b2f

fixtures/repositories/m2/io/micrometer/micrometer-core/1.5.1/micrometer-core-1.5.1.pom

@@ -0,0 +1,239 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>io.micrometer</groupId>
+  <artifactId>micrometer-core</artifactId>
+  <version>1.5.1</version>
+  <dependencies>
+    <dependency>
+      <groupId>org.hdrhistogram</groupId>
+      <artifactId>HdrHistogram</artifactId>
+      <version>2.1.12</version>
+      <scope>compile</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.latencyutils</groupId>
+      <artifactId>LatencyUtils</artifactId>
+      <version>2.0.3</version>
+      <scope>runtime</scope>
+      <exclusions>
+        <exclusion>
+          <artifactId>HdrHistogram</artifactId>
+          <groupId>org.hdrhistogram</groupId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+    <dependency>
+      <groupId>com.google.code.findbugs</groupId>
+      <artifactId>jsr305</artifactId>
+      <version>3.0.2</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>io.dropwizard.metrics</groupId>
+      <artifactId>metrics-core</artifactId>
+      <version>4.0.7</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>com.google.guava</groupId>
+      <artifactId>guava</artifactId>
+      <version>29.0-jre</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>com.github.ben-manes.caffeine</groupId>
+      <artifactId>caffeine</artifactId>
+      <version>2.8.2</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>net.sf.ehcache</groupId>
+      <artifactId>ehcache</artifactId>
+      <version>2.10.6</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>javax.cache</groupId>
+      <artifactId>cache-api</artifactId>
+      <version>1.1.1</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>com.hazelcast</groupId>
+      <artifactId>hazelcast</artifactId>
+      <version>4.0.1</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.hibernate</groupId>
+      <artifactId>hibernate-entitymanager</artifactId>
+      <version>6.0.0.Alpha5</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-server</artifactId>
+      <version>9.4.28.v20200408</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.eclipse.jetty</groupId>
+      <artifactId>jetty-client</artifactId>
+      <version>9.4.28.v20200408</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.tomcat.embed</groupId>
+      <artifactId>tomcat-embed-core</artifactId>
+      <version>8.5.54</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.httpcomponents</groupId>
+      <artifactId>httpclient</artifactId>
+      <version>4.5.12</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.httpcomponents</groupId>
+      <artifactId>httpasyncclient</artifactId>
+      <version>4.1.4</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>com.netflix.hystrix</groupId>
+      <artifactId>hystrix-core</artifactId>
+      <version>1.5.12</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>ch.qos.logback</groupId>
+      <artifactId>logback-classic</artifactId>
+      <version>1.2.3</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.logging.log4j</groupId>
+      <artifactId>log4j-core</artifactId>
+      <version>2.13.2</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>io.projectreactor</groupId>
+      <artifactId>reactor-core</artifactId>
+      <version>3.3.5.RELEASE</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>io.projectreactor.netty</groupId>
+      <artifactId>reactor-netty</artifactId>
+      <version>0.9.7.RELEASE</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.aspectj</groupId>
+      <artifactId>aspectjweaver</artifactId>
+      <version>1.8.14</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>com.squareup.okhttp3</groupId>
+      <artifactId>okhttp</artifactId>
+      <version>4.5.0</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.mongodb</groupId>
+      <artifactId>mongo-java-driver</artifactId>
+      <version>3.12.3</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.jooq</groupId>
+      <artifactId>jooq</artifactId>
+      <version>3.13.1</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.kafka</groupId>
+      <artifactId>kafka-clients</artifactId>
+      <version>2.5.0</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+    <dependency>
+      <groupId>org.apache.kafka</groupId>
+      <artifactId>kafka-streams</artifactId>
+      <version>2.5.0</version>
+      <scope>compile</scope>
+      <optional>true</optional>
+    </dependency>
+  </dependencies>
+  <name>micrometer-core</name>
+  <description>Application monitoring instrumentation facade</description>
+  <licenses>
+    <license>
+      <name>The Apache Software License, Version 2.0</name>
+      <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+      <distribution>repo</distribution>
+    </license>
+  </licenses>
+  <properties>
+    <nebula_Manifest_Version>1.0</nebula_Manifest_Version>
+    <nebula_Implementation_Title>io.micrometer#micrometer-core;1.5.1</nebula_Implementation_Title>
+    <nebula_Implementation_Version>1.5.1</nebula_Implementation_Version>
+    <nebula_Built_Status>integration</nebula_Built_Status>
+    <nebula_Built_By>circleci</nebula_Built_By>
+    <nebula_Built_OS>Linux</nebula_Built_OS>
+    <nebula_Build_Date>2020-05-08_16:43:25</nebula_Build_Date>
+    <nebula_Gradle_Version>6.4</nebula_Gradle_Version>
+    <nebula_Module_Source>/micrometer-core</nebula_Module_Source>
+    <nebula_Module_Origin>git@github.com:micrometer-metrics/micrometer.git</nebula_Module_Origin>
+    <nebula_Change>5984c10</nebula_Change>
+    <nebula_Branch>5984c10fc12b781652e27a9ea95c439f96e73cf8</nebula_Branch>
+    <nebula_Build_Host>82db0d896427</nebula_Build_Host>
+    <nebula_Build_Job>LOCAL</nebula_Build_Job>
+    <nebula_Build_Number>LOCAL</nebula_Build_Number>
+    <nebula_Build_Id>LOCAL</nebula_Build_Id>
+    <nebula_Created_By>14.0.1+7 (Oracle Corporation)</nebula_Created_By>
+    <nebula_Build_Java_Version>14.0.1</nebula_Build_Java_Version>
+    <nebula_Module_Owner>tludwig@vmware.com</nebula_Module_Owner>
+    <nebula_Module_Email>tludwig@vmware.com</nebula_Module_Email>
+    <nebula_X_Compile_Target_JDK>14</nebula_X_Compile_Target_JDK>
+    <nebula_X_Compile_Source_JDK>14</nebula_X_Compile_Source_JDK>
+  </properties>
+  <url>https://github.com/micrometer-metrics/micrometer</url>
+  <scm>
+    <url>git@github.com:micrometer-metrics/micrometer.git</url>
+  </scm>
+  <developers>
+    <developer>
+      <id>shakuzen</id>
+      <name>Tommy Ludwig</name>
+      <email>tludwig@vmware.com</email>
+    </developer>
+  </developers>
+</project>

fixtures/repositories/m2/io/micrometer/micrometer-core/1.5.1/micrometer-core-1.5.1.pom.sha1

@@ -0,0 +1 @@
+e68ba4ca00f195e4aa6a5ccd78feef2d24c578ca

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.0-SNAPSHOT/maven-metadata.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<metadata>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT1</artifactId>
+  <version>2.0.0-SNAPSHOT</version>
+  <versioning>
+    <snapshot>
+      <timestamp>20070310.181613</timestamp>
+
+      <buildNumber>3</buildNumber>
+    </snapshot>
+    <lastUpdated>20070310181754</lastUpdated>
+  </versioning>
+</metadata>

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.0-SNAPSHOT/test-SNAPSHOT1-2.0.0-20070310.181613-3.jar

@@ -0,0 +1 @@
+ 

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.0-SNAPSHOT/test-SNAPSHOT1-2.0.0-20070310.181613-3.pom

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT1</artifactId>
+  <name>Test Module for Ivy M2 parsing</name>
+  <version>2.0.0-SNAPSHOT</version>
+</project>

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.2-SNAPSHOT/maven-metadata.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<metadata>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT1</artifactId>
+  <version>2.0.2-SNAPSHOT</version>
+  <versioning>
+    <snapshot>
+      <timestamp>20070310.181613</timestamp>
+
+      <buildNumber>3</buildNumber>
+    </snapshot>
+    <lastUpdated>20070310181754</lastUpdated>
+  </versioning>
+</metadata>

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.2-SNAPSHOT/test-SNAPSHOT1-2.0.2-20070310.181613-3.jar

@@ -0,0 +1 @@
+ 

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/2.0.2-SNAPSHOT/test-SNAPSHOT1-2.0.2-20070310.181613-3.pom

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT1</artifactId>
+  <name>Test Module for Ivy M2 parsing</name>
+  <version>2.0.2-SNAPSHOT</version>
+</project>

fixtures/repositories/m2/org/apache/test-SNAPSHOT1/maven-metadata.xml

@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<metadata>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT1</artifactId>
+  <version>2.0.2-SNAPSHOT</version>
+  <versioning>
+    <versions>
+      <version>2.0.0-SNAPSHOT</version>
+      <version>2.0.2-SNAPSHOT</version>
+    </versions>
+
+    <lastUpdated>20070310181754</lastUpdated>
+  </versioning>
+</metadata>

fixtures/repositories/m2/org/apache/test-SNAPSHOT2/2.0.2-SNAPSHOT/maven-metadata.xml

@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<metadata>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT2</artifactId>
+  <version>2.0.2-SNAPSHOT</version>
+  <versioning>
+    <snapshot>
+      <buildNumber>3</buildNumber>
+    </snapshot>
+    <lastUpdated>20070310181754</lastUpdated>
+  </versioning>
+</metadata>

fixtures/repositories/m2/org/apache/test-SNAPSHOT2/2.0.2-SNAPSHOT/test-SNAPSHOT2-2.0.2-SNAPSHOT.jar

@@ -0,0 +1 @@
+ 

fixtures/repositories/m2/org/apache/test-SNAPSHOT2/2.0.2-SNAPSHOT/test-SNAPSHOT2-2.0.2-SNAPSHOT.pom

@@ -0,0 +1,26 @@
+<?xml version="1.0"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<project>
+  <modelVersion>4.0.0</modelVersion>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT2</artifactId>
+  <name>Test Module for Ivy M2 parsing</name>
+  <version>2.0.2-SNAPSHOT</version>
+</project>

fixtures/repositories/m2/org/apache/test-SNAPSHOT2/maven-metadata.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+   Licensed to the Apache Software Foundation (ASF) under one
+   or more contributor license agreements.  See the NOTICE file
+   distributed with this work for additional information
+   regarding copyright ownership.  The ASF licenses this file
+   to you under the Apache License, Version 2.0 (the
+   "License"); you may not use this file except in compliance
+   with the License.  You may obtain a copy of the License at
+
+     https://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing,
+   software distributed under the License is distributed on an
+   "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+   KIND, either express or implied.  See the License for the
+   specific language governing permissions and limitations
+   under the License.    
+-->
+<metadata>
+  <groupId>org.apache</groupId>
+  <artifactId>test-SNAPSHOT2</artifactId>
+  <version>2.0.2-SNAPSHOT</version>
+  <versioning>
+    <versions>
+      <version>2.0.2-SNAPSHOT</version>
+    </versions>
+
+    <lastUpdated>20070310181754</lastUpdated>
+  </versioning>
+</metadata>

fixtures/repositories/m2/org/apache/test/1.0.0/test-1.0.0.pom

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.apache</groupId>
+    <artifactId>test</artifactId>
+    <version>1.0.0</version>
+
+    <name>test</name>
+
+    <description>
+        test
+    </description>
+</project>

fixtures/repositories/m2/org/hdrhistogram/HdrHistogram/2.1.12/HdrHistogram-2.1.12.pom

@@ -0,0 +1,268 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>org.hdrhistogram</groupId>
+    <artifactId>HdrHistogram</artifactId>
+    <version>2.1.12</version>
+
+    <name>HdrHistogram</name>
+
+    <url>http://hdrhistogram.github.io/HdrHistogram/</url>
+
+    <description>
+        HdrHistogram supports the recording and analyzing sampled data value
+        counts across a configurable integer value range with configurable value
+        precision within the range. Value precision is expressed as the number of
+        significant digits in the value recording, and provides control over value
+        quantization behavior across the value range and the subsequent value
+        resolution at any given level.
+    </description>
+
+    <licenses>
+        <license>
+            <comments>
+                * This code was Written by Gil Tene of Azul Systems, and released to the
+                * public domain, as explained at http://creativecommons.org/publicdomain/zero/1.0/
+            </comments>
+            <name>Public Domain, per Creative Commons CC0</name>
+            <url>http://creativecommons.org/publicdomain/zero/1.0/</url>
+        </license>
+        <license>
+            <name>BSD-2-Clause</name>
+            <url>https://opensource.org/licenses/BSD-2-Clause</url>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <id>giltene</id>
+            <name>Gil Tene</name>
+            <url>https://github.com/giltene</url>
+        </developer>
+    </developers>
+
+    <scm>
+        <url>scm:git:git://github.com/HdrHistogram/HdrHistogram.git</url>
+        <connection>scm:git:git://github.com/HdrHistogram/HdrHistogram.git</connection>
+        <developerConnection>scm:git:git@github.com:HdrHistogram/HdrHistogram.git</developerConnection>
+      <tag>HdrHistogram-2.1.12</tag>
+    </scm>
+
+
+    <issueManagement>
+        <url>https://github.com/HdrHistogram/HdrHistogram/issues</url>
+        <system>GitHub Issues</system>
+    </issueManagement>
+
+    <packaging>bundle</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+        <version.template.file>src/main/java/org/HdrHistogram/Version.java.template</version.template.file>
+        <version.file>src/main/java/org/HdrHistogram/Version.java</version.file>
+
+        <junit.version>4.12</junit.version>
+        <junit.jupiter.version>5.5.2</junit.jupiter.version>
+        <junit.vintage.version>5.5.2</junit.vintage.version>
+    </properties>
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+    </distributionManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.felix</groupId>
+                <artifactId>maven-bundle-plugin</artifactId>
+                <version>2.5.3</version>
+                <extensions>true</extensions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <version>2.4</version>
+                <inherited>true</inherited>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+                            <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>3.0.0-M1</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>2.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.0</version>
+                <configuration>
+                    <source>1.7</source>
+                    <target>1.7</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>3.0.0-M3</version>
+                <configuration>
+                    <enableAssertions>false</enableAssertions>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-release-plugin</artifactId>
+                <version>2.5.3</version>
+                <configuration>
+                    <autoVersionSubmodules>true</autoVersionSubmodules>
+                    <useReleaseProfile>false</useReleaseProfile>
+                    <releaseProfiles>release</releaseProfiles>
+                    <goals>deploy</goals>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>com.google.code.maven-replacer-plugin</groupId>
+                <artifactId>maven-replacer-plugin</artifactId>
+                <version>1.4.0</version>
+                <executions>
+                    <execution>
+                        <phase>process-sources</phase>
+                        <goals>
+                            <goal>replace</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <file>${version.template.file}</file>
+                    <outputFile>${version.file}</outputFile>
+                    <replacements>
+                        <replacement>
+                            <token>\$BUILD_TIME\$</token>
+                            <value>${maven.build.timestamp}</value>
+                        </replacement>
+                        <replacement>
+                            <token>\$VERSION\$</token>
+                            <value>${project.version}</value>
+                        </replacement>
+                    </replacements>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>2.8</version>
+                <executions>
+                    <execution>
+                        <id>copy-installed</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>${project.groupId}</groupId>
+                                    <artifactId>${project.artifactId}</artifactId>
+                                    <version>${project.version}</version>
+                                    <type>${project.packaging}</type>
+                                    <destFileName>HdrHistogram.jar</destFileName>
+                                </artifactItem>
+                            </artifactItems>
+                            <outputDirectory>${project.basedir}</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-gpg-plugin</artifactId>
+                <version>1.5</version>
+                <executions>
+                    <execution>
+                        <id>sign-artifacts</id>
+                        <phase>verify</phase>
+                        <goals>
+                            <goal>sign</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.sonatype.plugins</groupId>
+                <artifactId>nexus-staging-maven-plugin</artifactId>
+                <version>1.6.7</version>
+                <extensions>true</extensions>
+                <configuration>
+                    <serverId>ossrh</serverId>
+                    <nexusUrl>https://oss.sonatype.org/</nexusUrl>
+                    <autoReleaseAfterClose>true</autoReleaseAfterClose>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <version>${junit.jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-params</artifactId>
+            <version>${junit.jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>${junit.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <version>${junit.jupiter.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.vintage</groupId>
+            <artifactId>junit-vintage-engine</artifactId>
+            <version>${junit.vintage.version}</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+</project>

fixtures/repositories/m2/org/hdrhistogram/HdrHistogram/2.1.12/_remote.repositories

@@ -0,0 +1,4 @@
+#NOTE: This is a Maven Resolver internal implementation file, its format can be changed without prior notice.
+#Sat Nov 21 19:26:36 PST 2020
+HdrHistogram-2.1.12.jar>central=
+HdrHistogram-2.1.12.pom>central=

fixtures/repositories/m2/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.jar.sha1

@@ -0,0 +1 @@
+769c0b82cb2421c8256300e907298a9410a2a3d3

fixtures/repositories/m2/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.pom

@@ -0,0 +1,198 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <parent>
+        <groupId>org.sonatype.oss</groupId>
+        <artifactId>oss-parent</artifactId>
+        <version>7</version>
+    </parent>
+
+    <groupId>org.latencyutils</groupId>
+    <artifactId>LatencyUtils</artifactId>
+    <version>2.0.3</version>
+
+    <name>LatencyUtils</name>
+
+    <url>http://latencyutils.github.io/LatencyUtils/</url>
+
+    <description>
+        LatencyUtils is a package that provides latency recording and reporting utilities.
+    </description>
+
+    <licenses>
+        <license>
+            <comments>
+                * This code was Written by Gil Tene of Azul Systems, and released to the
+                * public domain, as explained at http://creativecommons.org/publicdomain/zero/1.0/
+            </comments>
+            <name>Public Domain, per Creative Commons CC0</name>
+            <url>http://creativecommons.org/publicdomain/zero/1.0/</url>
+        </license>
+    </licenses>
+
+    <developers>
+        <developer>
+            <id>giltene</id>
+            <name>Gil Tene</name>
+            <url>https://github.com/giltene</url>
+        </developer>
+    </developers>
+
+    <scm>
+        <url>scm:git:git://github.com/LatencyUtils/LatencyUtils.git</url>
+        <connection>scm:git:git://github.com/LatencyUtils/LatencyUtils.git</connection>
+        <developerConnection>scm:git:git@github.com:LatencyUtils/LatencyUtils.git</developerConnection>
+      <tag>HEAD</tag>
+  </scm>
+
+    <issueManagement>
+        <url>https://github.com/LatencyUtils/LatencyUtils/issues</url>
+        <system>GitHub Issues</system>
+    </issueManagement>
+
+    <packaging>jar</packaging>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+
+    <distributionManagement>
+        <snapshotRepository>
+            <id>ossrh</id>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+    </distributionManagement>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-javadoc-plugin</artifactId>
+                <version>2.9.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-javadocs</id>
+                        <goals>
+                            <goal>jar</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-source-plugin</artifactId>
+                <version>2.2.1</version>
+                <executions>
+                    <execution>
+                        <id>attach-sources</id>
+                        <goals>
+                            <goal>jar-no-fork</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>2.3.2</version>
+                <configuration>
+                    <source>1.6</source>
+                    <target>1.6</target>
+                    <encoding>UTF-8</encoding>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-surefire-plugin</artifactId>
+                <version>2.12.4</version>
+                <configuration>
+                    <enableAssertions>false</enableAssertions>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-release-plugin</artifactId>
+                <version>2.5</version>
+                <configuration>
+                    <arguments>-Dgpg.passphrase=${gpg.passphrase}</arguments>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-dependency-plugin</artifactId>
+                <version>2.8</version>
+                <executions>
+                    <execution>
+                        <id>copy-installed</id>
+                        <phase>package</phase>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
+                        <configuration>
+                            <artifactItems>
+                                <artifactItem>
+                                    <groupId>${project.groupId}</groupId>
+                                    <artifactId>${project.artifactId}</artifactId>
+                                    <version>${project.version}</version>
+                                    <type>${project.packaging}</type>
+                                    <destFileName>LatencyUtils.jar</destFileName>
+                                </artifactItem>
+                            </artifactItems>
+                            <outputDirectory>${project.basedir}</outputDirectory>
+                        </configuration>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>release-sign-artifacts</id>
+            <activation>
+                <property>
+                    <name>performRelease</name>
+                    <value>true</value>
+                </property>
+            </activation>
+            <build>
+                <plugins>
+                    <plugin>
+                        <groupId>org.apache.maven.plugins</groupId>
+                        <artifactId>maven-gpg-plugin</artifactId>
+                        <version>1.4</version>
+                        <configuration>
+                            <passphrase>${gpg.passphrase}</passphrase>
+                        </configuration>
+                        <executions>
+                            <execution>
+                                <id>sign-artifacts</id>
+                                <phase>verify</phase>
+                                <goals>
+                                    <goal>sign</goal>
+                                </goals>
+                            </execution>
+                        </executions>
+                    </plugin>
+                </plugins>
+            </build>
+        </profile>
+    </profiles>
+
+    <dependencies>
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.10</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.hdrhistogram</groupId>
+            <artifactId>HdrHistogram</artifactId>
+            <version>2.1.8</version>
+        </dependency>
+    </dependencies>
+    
+</project>

fixtures/repositories/m2/org/latencyutils/LatencyUtils/2.0.3/LatencyUtils-2.0.3.pom.sha1

@@ -0,0 +1 @@
+5baec26b6f9e5b17fdd200fc20af85eead4287c4

fixtures/repositories/m2/org/latencyutils/LatencyUtils/2.0.3/_remote.repositories

@@ -0,0 +1,6 @@
+#NOTE: This is a Maven Resolver internal implementation file, its format can be changed without prior notice.
+#Sat Nov 21 19:26:36 PST 2020
+LatencyUtils-2.0.3.jar>central=
+LatencyUtils-2.0.3.jar>maven-public=
+LatencyUtils-2.0.3.pom>maven-public=
+LatencyUtils-2.0.3.pom>central=

fixtures/settings/buildscript/groovy/settings.gradle

@@ -0,0 +1,10 @@
+buildscript {
+    repositories {
+        maven {
+            url 'http://localhost:9999/'
+        }
+    }
+    dependencies {
+        classpath 'org.apache:test:1.0.0'
+    }
+}

fixtures/subprojects/dependent-subprojects/groovy/build.gradle

@@ -0,0 +1,15 @@
+subprojects {
+    apply plugin: 'java'
+}
+
+project(':child-a') {
+    dependencies {
+        implementation project(':child-b')
+    }
+}
+
+project(':child-b') {
+    dependencies {
+        implementation project(':child-c')
+    }
+}

fixtures/subprojects/dependent-subprojects/groovy/settings.gradle

@@ -0,0 +1 @@
+include ':child-a', ':child-b', ':child-c', ':child-d'

fixtures/subprojects/multi-module/groovy/build.gradle

@@ -0,0 +1,13 @@
+plugins {
+    id 'java'
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+dependencies {
+    testImplementation 'junit:junit:4.12'
+}

fixtures/subprojects/multi-module/groovy/child-a/build.gradle

@@ -0,0 +1,7 @@
+plugins {
+    id 'java'
+}
+
+dependencies {
+    implementation 'com.squareup.okio:okio:2.2.2'
+}

fixtures/subprojects/multi-module/groovy/child-b/build.gradle

@@ -0,0 +1,8 @@
+plugins {
+    id 'java'
+}
+
+dependencies {
+    implementation project(':child-a')
+    implementation 'com.squareup.moshi:moshi:1.8.0'
+}

fixtures/subprojects/multi-module/groovy/settings.gradle

@@ -0,0 +1 @@
+include ':child-a', ':child-b'

fixtures/subprojects/multi-module/kotlin/build.gradle.kts

@@ -0,0 +1,13 @@
+plugins {
+    java
+}
+
+allprojects {
+    repositories {
+        jcenter()
+    }
+}
+
+dependencies {
+    testImplementation("junit:junit:4.12")
+}

fixtures/subprojects/multi-module/kotlin/child-a/build.gradle.kts

@@ -0,0 +1,7 @@
+plugins {
+    java
+}
+
+dependencies {
+    implementation("com.squareup.okio:okio:2.2.2")
+}

fixtures/subprojects/multi-module/kotlin/child-b/build.gradle.kts

@@ -0,0 +1,8 @@
+plugins {
+    java
+}
+
+dependencies {
+    implementation(project(":child-a"))
+    implementation("com.squareup.moshi:moshi:1.8.0")
+}

fixtures/subprojects/multi-module/kotlin/settings.gradle.kts

@@ -0,0 +1 @@
+include(":child-a", ":child-b")

gradle-env.nix

@@ -4,7 +4,7 @@
 #
 #     with (import <nixpkgs> {});
 #     let
-#       buildGradle = callPackage ./gradleEnv.nix {};
+#       buildGradle = callPackage ./gradle-env.nix {};
 #     in
 #       buildGradle {
 #         envSpec = ./gradle-env.json;
@@ -19,17 +19,36 @@
 #         '';
 #       }
 
-{ stdenv, lib, buildEnv, fetchurl, gradleGen, writeText }:
+{ stdenv, buildEnv, fetchurl, gradleGen, writeText, writeTextDir }:
 
-{ envSpec
+{
+# Path to the environment spec generated by gradle2nix (e.g. gradle-env.json).
+  envSpec
 , pname ? null
 , version ? null
 , enableParallelBuilding ? true
+# Arguments to Gradle used to build the project in buildPhase.
 , gradleFlags ? [ "build" ]
+# Gradle package to use instead of the one generated by gradle2nix.
 , gradlePackage ? null
+# Enable debugging for the Gradle build; this will cause Gradle to run a debug server
+# and wait for a JVM debugging client to attach.
+, enableDebug ? false
+# Additional code to run in the Gradle init script (init.gradle).
+, extraInit ? ""
+# Override the default JDK used to run Gradle itself.
+, buildJdk ? null
 , ... } @ args:
 
 let
+  inherit (builtins)
+    attrValues concatStringsSep filter fromJSON match replaceStrings sort;
+
+  inherit (stdenv.lib)
+    assertMsg concatMapStringsSep groupBy' hasSuffix last mapAttrs
+    mapAttrsToList optionalString readFile removeSuffix unique versionAtLeast
+    versionOlder;
+
   mkDep = depSpec: stdenv.mkDerivation {
     inherit (depSpec) name;
 
@@ -41,41 +60,201 @@ let
 
     installPhase = ''
       mkdir -p $out/${depSpec.path}
-      ln -s $src $out/${depSpec.path}/${depSpec.filename}
+      ln -s $src $out/${depSpec.path}/${depSpec.name}
     '';
   };
 
+  mkModuleMetadata = deps:
+    let
+      ids = filter
+        (id: id.type == "pom")
+        (map (dep: dep.id) deps);
+
+      modules = groupBy'
+        (meta: id:
+          let
+            isNewer = versionOlder meta.latest id.version;
+            isNewerRelease =
+              !(hasSuffix "-SNAPSHOT" id.version) &&
+              versionOlder meta.release id.version;
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            latest = if isNewer then id.version else meta.latest;
+            release = if isNewerRelease then id.version else meta.release;
+            versions = meta.versions ++ [id.version];
+          }
+        )
+        {
+          latest = "";
+          release = "";
+          versions = [];
+        }
+        (id: "${replaceStrings ["."] ["/"] id.group}/${id.name}/maven-metadata.xml")
+        ids;
+
+    in
+      attrValues (mapAttrs (path: meta:
+        let
+          versions' = sort versionOlder (unique meta.versions);
+        in
+          with meta; writeTextDir path ''
+            <?xml version="1.0" encoding="UTF-8"?>
+            <metadata modelVersion="1.1">
+              <groupId>${groupId}</groupId>
+              <artifactId>${artifactId}</artifactId>
+              <versioning>
+                ${optionalString (latest != "") "<latest>${latest}</latest>"}
+                ${optionalString (release != "") "<release>${release}</release>"}
+                <versions>
+                  ${concatMapStringsSep "\n    " (v: "<version>${v}</version>") versions'}
+                </versions>
+              </versioning>
+            </metadata>
+          ''
+      ) modules);
+
+  mkSnapshotMetadata = deps:
+    let
+      snapshotDeps = filter (dep: dep ? build && dep ? timestamp) deps;
+
+      modules = groupBy'
+        (meta: dep:
+          let
+            id = dep.id;
+            isNewer = dep.build > meta.buildNumber;
+            # Timestamp values can be bogus, e.g. jitpack.io
+            updated = if (match "[0-9]{8}\.[0-9]{6}" dep.timestamp) != null
+                      then replaceStrings ["."] [""] dep.timestamp
+                      else "";
+          in {
+            groupId = id.group;
+            artifactId = id.name;
+            version = id.version;
+            timestamp = if isNewer then dep.timestamp else meta.timestamp;
+            buildNumber = if isNewer then dep.build else meta.buildNumber;
+            lastUpdated = if isNewer then updated else meta.lastUpdated;
+            versions = meta.versions or [] ++ [{
+              classifier = id.classifier or "";
+              extension = id.extension;
+              value = "${removeSuffix "-SNAPSHOT" id.version}-${dep.timestamp}-${toString dep.build}";
+              updated = updated;
+            }];
+          }
+        )
+        {
+          timestamp = "";
+          buildNumber = -1;
+          lastUpdated = "";
+        }
+        (dep: "${replaceStrings ["."] ["/"] dep.id.group}/${dep.id.name}/${dep.id.version}/maven-metadata.xml")
+        snapshotDeps;
+
+      mkSnapshotVersion = version: ''
+        <snapshotVersion>
+          ${optionalString (version.classifier != "") "<classifier>${version.classifier}</classifier>"}
+          <extension>${version.extension}</extension>
+          <value>${version.value}</value>
+          ${optionalString (version.updated != "") "<updated>${version.updated}</updated>"}
+        </snapshotVersion>
+      '';
+
+    in
+      attrValues (mapAttrs (path: meta:
+        with meta; writeTextDir path ''
+          <?xml version="1.0" encoding="UTF-8"?>
+          <metadata modelVersion="1.1">
+            <groupId>${groupId}</groupId>
+            <artifactId>${artifactId}</artifactId>
+            <version>${version}</version>
+            <versioning>
+              <snapshot>
+                ${optionalString (timestamp != "") "<timestamp>${timestamp}</timestamp>"}
+                ${optionalString (buildNumber != -1) "<buildNumber>${toString buildNumber}</buildNumber>"}
+              </snapshot>
+              ${optionalString (lastUpdated != "") "<lastUpdated>${lastUpdated}</lastUpdated>"}
+              <snapshotVersions>
+                ${concatMapStringsSep "\n    " mkSnapshotVersion versions}
+              </snapshotVersions>
+            </versioning>
+          </metadata>
+        ''
+      ) modules);
+
   mkRepo = project: type: deps: buildEnv {
     name = "${project}-gradle-${type}-env";
-    paths = map mkDep deps;
+    paths = map mkDep deps ++ mkModuleMetadata deps ++ mkSnapshotMetadata deps;
   };
 
-  mkInitScript = projectSpec:
+  mkInitScript = projectSpec: gradle:
     let
-      repos = builtins.mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
+      repos = mapAttrs (mkRepo projectSpec.name) projectSpec.dependencies;
+      hasDependencies = mapAttrs (type: deps: deps != []) projectSpec.dependencies;
     in
+      assert (assertMsg (hasDependencies.settings -> versionAtLeast gradle.version "6.0") ''
+        Project `${projectSpec.name}' has settings script dependencies, such as settings
+        plugins, which are not supported by gradle2nix for Gradle versions prior to 6.0.
+
+        Potential remedies:
+        - Pass `--gradle-version=<version>' to the gradle2nix command.
+        - Patch the `settings.gradle[.kts]' file to remove script dependencies.
+      '');
+
       writeText "init.gradle" ''
-        gradle.settingsEvaluated {
+        static def offlineRepo(RepositoryHandler repositories, String env, String path) {
-          it.pluginManagement.repositories {
+            repositories.clear()
-            clear()
+            repositories.maven {
-            maven { url = uri("${repos.plugin}") }
+                name "Nix''${env.capitalize()}MavenOffline"
+                url path
+                metadataSources {
+                    it.gradleMetadata()
+                    it.mavenPom()
+                    it.artifact()
+                }
+            }
+            repositories.ivy {
+                name "Nix''${env.capitalize()}IvyOffline"
+                url path
+                layout "maven"
+                metadataSources {
+                    it.gradleMetadata()
+                    it.ivyDescriptor()
+                    it.artifact()
+                }
             }
         }
 
+        ${optionalString (hasDependencies.settings && (versionAtLeast gradle.version "6.0")) ''
+          gradle.beforeSettings {
+              offlineRepo(it.buildscript.repositories, "settings", "${repos.settings}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.plugin) ''
+          gradle.settingsEvaluated {
+              offlineRepo(it.pluginManagement.repositories, "plugin", "${repos.plugin}")
+          }
+        ''}
+
+        ${optionalString (hasDependencies.buildscript) ''
           gradle.projectsLoaded {
               allprojects {
                   buildscript {
-              repositories {
+                      offlineRepo(repositories, "buildscript", "${repos.buildscript}")
-                clear()
-                maven { url = uri("${repos.buildscript}") }
-              }
-            }
-            repositories {
-              clear()
-              maven { url = uri("${repos.project}") }
                   }
               }
           }
+        ''}
+
+        ${optionalString (hasDependencies.project) ''
+          gradle.projectsLoaded {
+              allprojects {
+                  offlineRepo(repositories, "project", "${repos.project}")
+              }
+          }
+        ''}
+
+        ${extraInit}
       '';
 
   mkGradle = gradleSpec:
@@ -87,22 +266,42 @@ let
       src = fetchurl {
         inherit (gradleSpec) url sha256;
       };
+    } // {
+      inherit (gradleSpec) version;
     };
 
-  mkProjectEnv = projectSpec: {
+  mkProjectEnv = projectSpec: rec {
-    inherit (projectSpec) name version;
+    inherit (projectSpec) name path version;
-    initScript = mkInitScript projectSpec;
     gradle = args.gradlePackage or mkGradle projectSpec.gradle;
+    initScript = mkInitScript projectSpec gradle;
   };
 
-  gradleEnv = builtins.mapAttrs
+  gradleEnv = mapAttrs
     (_: p: mkProjectEnv p)
-    (builtins.fromJSON (builtins.readFile envSpec));
+    (fromJSON (readFile envSpec));
 
   projectEnv = gradleEnv."";
   pname = args.pname or projectEnv.name;
   version = args.version or projectEnv.version;
 
+  buildProject = env: flags: ''
+    gradle --offline --no-daemon --no-build-cache \
+      --info --full-stacktrace --warning-mode=all \
+      ${optionalString enableParallelBuilding "--parallel"} \
+      ${optionalString enableDebug "-Dorg.gradle.debug=true"} \
+      ${optionalString (buildJdk != null) "-Dorg.gradle.java.home=${buildJdk.home}"} \
+      --init-script ${env.initScript} \
+      ${optionalString (env.path != "") ''-p "${env.path}"''} \
+      ${concatStringsSep " " flags}
+  '';
+
+  buildIncludedProjects =
+    concatStringsSep "\n" (mapAttrsToList
+      (_: env: buildProject env [ "build" ])
+      (removeAttrs gradleEnv [ "" ]));
+
+  buildRootProject = buildProject projectEnv gradleFlags;
+
 in stdenv.mkDerivation (args // {
 
   inherit pname version;
@@ -113,14 +312,16 @@ in stdenv.mkDerivation (args // {
     runHook preBuild
 
     (
-    set -x
+    set -eux
-    env \
+
-      "GRADLE_USER_HOME=$(mktemp -d)" \
+    # use the init script here
-      gradle --offline --no-daemon --no-build-cache \
+    TMPHOME=$(mktemp -d)
-        --info --full-stacktrace --warning-mode=all \
+    mkdir -p $TMPHOME/init.d
-        ${lib.optionalString enableParallelBuilding "--parallel"} \
+    cp ${projectEnv.initScript} $TMPHOME/init.d
-        --init-script ${projectEnv.initScript} \
+
-        ${builtins.concatStringsSep " " gradleFlags}
+    export "GRADLE_USER_HOME=$TMPHOME"
+    ${buildIncludedProjects}
+    ${buildRootProject}
     )
 
     runHook postBuild

gradle.properties

@@ -0,0 +1,3 @@
+org.gradle.jvmargs='-Dfile.encoding=UTF-8'
+
+VERSION=1.0.0-rc2

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-5.6.3-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-6.8-milestone-3-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -82,6 +82,7 @@ esac
 
 CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
 
+
 # Determine the Java command to use to start the JVM.
 if [ -n "$JAVA_HOME" ] ; then
     if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
@@ -129,6 +130,7 @@ fi
 if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
     APP_HOME=`cygpath --path --mixed "$APP_HOME"`
     CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
+
     JAVACMD=`cygpath --unix "$JAVACMD"`
 
     # We build the pattern for arguments to be converted via cygpath
@@ -154,19 +156,19 @@ if [ "$cygwin" = "true" -o "$msys" = "true" ] ; then
         else
             eval `echo args$i`="\"$arg\""
         fi
-        i=$((i+1))
+        i=`expr $i + 1`
     done
     case $i in
-        (0) set -- ;;
+        0) set -- ;;
-        (1) set -- "$args0" ;;
+        1) set -- "$args0" ;;
-        (2) set -- "$args0" "$args1" ;;
+        2) set -- "$args0" "$args1" ;;
-        (3) set -- "$args0" "$args1" "$args2" ;;
+        3) set -- "$args0" "$args1" "$args2" ;;
-        (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
+        4) set -- "$args0" "$args1" "$args2" "$args3" ;;
-        (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
+        5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
-        (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
+        6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
-        (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
+        7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
-        (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
+        8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
-        (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
+        9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
     esac
 fi
 
@@ -175,14 +177,9 @@ save () {
     for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
     echo " "
 }
-APP_ARGS=$(save "$@")
+APP_ARGS=`save "$@"`
 
 # Collect all arguments for the java command, following the shell quoting and substitution rules
 eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
 
-# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
-if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
-  cd "$(dirname "$0")"
-fi
-
 exec "$JAVACMD" "$@"

gradlew.bat

@@ -29,6 +29,9 @@ if "%DIRNAME%" == "" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
+@rem Resolve any "." and ".." in APP_HOME to make it shorter.
+for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
+
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
 
@@ -37,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto init
+if "%ERRORLEVEL%" == "0" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -51,7 +54,7 @@ goto fail
 set JAVA_HOME=%JAVA_HOME:"=%
 set JAVA_EXE=%JAVA_HOME%/bin/java.exe
 
-if exist "%JAVA_EXE%" goto init
+if exist "%JAVA_EXE%" goto execute
 
 echo.
 echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
@@ -61,28 +64,14 @@ echo location of your Java installation.
 
 goto fail
 
-:init
-@rem Get command-line arguments, handling Windows variants
-
-if not "%OS%" == "Windows_NT" goto win9xME_args
-
-:win9xME_args
-@rem Slurp the command line arguments.
-set CMD_LINE_ARGS=
-set _SKIP=2
-
-:win9xME_args_slurp
-if "x%~1" == "x" goto execute
-
-set CMD_LINE_ARGS=%*
-
 :execute
 @rem Setup the command line
 
 set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
+
 @rem Execute Gradle
-"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
+"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
 
 :end
 @rem End local scope for the variables with windows NT shell

model/build.gradle.kts

@@ -4,7 +4,7 @@ plugins {
 }
 
 dependencies {
-    api("com.squareup.moshi:moshi:+")
+    api("com.squareup.moshi:moshi:latest.release")
-    api("com.squareup.okio:okio:+")
+    kapt("com.squareup.moshi:moshi-kotlin-codegen:latest.release")
-    kapt("com.squareup.moshi:moshi-kotlin-codegen:+")
+    implementation("net.swiftzer.semver:semver:latest.release")
 }