Remove gradle-wrapper arg

It is the default behavior to use the project's Gradle wrapper if available.

app/build.gradle.kts

@@ -35,6 +35,13 @@ application {
 }
 
 tasks {
+    (run) {
+        dependsOn(installDist)
+        doFirst {
+            jvmArgs = listOf("-Dorg.nixos.gradle2nix.share=${installDist.get().destinationDir.resolve("share")}")
+        }
+    }
+
     startScripts {
         doLast {
             unixScript.writeText(unixScript.readText().replace("@APP_HOME@", "\$APP_HOME"))

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

@@ -6,9 +6,7 @@ import org.gradle.tooling.ProjectConnection
 fun connect(config: Config): ProjectConnection =
     GradleConnector.newConnector()
         .apply {
-            if (config.wrapper) {
+            if (config.gradleVersion != null) {
-                useBuildDistribution()
-            } else if (config.gradleVersion != null) {
                 useGradleVersion(config.gradleVersion)
             }
         }

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

@@ -19,7 +19,6 @@ import java.io.File
 val shareDir: String = System.getProperty("org.nixos.gradle2nix.share")
 
 data class Config(
-    val wrapper: Boolean,
     val gradleVersion: String?,
     val configurations: List<String>,
     val projectDir: File,
@@ -33,10 +32,6 @@ data class Config(
 class Main : CliktCommand(
     name = "gradle2nix"
 ) {
-    private val wrapper: Boolean by option("--gradle-wrapper", "-w",
-        help = "Use the project's gradle wrapper for building")
-        .flag()
-
     private val gradleVersion: String? by option("--gradle-version", "-g",
         metavar = "VERSION",
         help = "Use a specific Gradle version")
@@ -87,7 +82,7 @@ class Main : CliktCommand(
     }
 
     override fun run() {
-        val config = Config(wrapper, gradleVersion, configurations, projectDir, includes, buildSrc, quiet)
+        val config = Config(gradleVersion, configurations, projectDir, includes, buildSrc, quiet)
         val (log, _, _) = Logger(verbose = !config.quiet)
 
         val paths = resolveProjects(config).map { p ->
@@ -95,9 +90,9 @@ class Main : CliktCommand(
         }
 
         val models = connect(config).use { connection ->
-            paths.associate { project ->
+            paths.associateWith { project ->
                 log("Resolving project model: ${project.takeIf { it.isNotEmpty() } ?: "root project"}...")
-                project to connection.getBuildModel(config, project)
+                connection.getBuildModel(config, project)
             }
         }
 

plugin/src/compatTest/kotlin/org/nixos/gradle2nix/WrapperTest.kt

@@ -0,0 +1,22 @@
+package org.nixos.gradle2nix
+
+import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.io.TempDir
+import java.io.File
+import kotlin.test.assertEquals
+
+class WrapperTest {
+    @TempDir
+    lateinit var root: File
+
+    @Test
+    fun `resolves gradle version from wrapper configuration`() {
+        val model = root.buildKotlin("""
+            tasks.wrapper {
+                gradleVersion = "5.5.1"
+            }
+        """.trimIndent())
+
+        assertEquals(model.gradle.version, "5.5.1")
+    }
+}