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Ignore Gradle cache when hashing metadata artifacts

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This commit is contained in:
Tad Fisher
2020-11-23 14:29:14 -08:00
parent beb157cf18
commit a99b5f40e3
5 changed files with 42 additions and 25 deletions
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29
plugin/src/main/kotlin/org/nixos/gradle2nix/ConfigurationResolver.kt
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@@ -38,7 +38,9 @@ internal class ConfigurationResolverFactory(
) {
private val ivySettings = IvySettings().apply {
defaultInit()
defaultRepositoryCacheManager = null
// This doesn't appear to be used, but it's better to define it explicitly than to introduce
// impurities into artifact resolution.
setDefaultRepositoryCacheBasedir(project.buildDir.resolve("tmp/gradle2nix/_cache").absolutePath)
setDictatorResolver(ChainResolver().also { chain ->
chain.settings = this@apply
for (resolver in resolvers) chain.add(resolver)
@@ -98,7 +100,7 @@ internal class ConfigurationResolver(
classifier = resolvedArtifact.classifier
)
val sha256 = resolvedArtifact.file.sha256()
val sha256 = resolvedArtifact.computeHash()
val artifacts = resolvers.mapNotNull { it.resolve(artifactId, sha256) }.merge()
if (artifacts.isEmpty()) failed.add(artifactId)
return artifacts + componentId.run { resolveMetadata(group, module, version) }
@@ -135,8 +137,8 @@ internal class ConfigurationResolver(
version = componentId.version,
type = "pom"
)
val sha256 = resolvedPom.file.sha256()
val artifacts = resolvers.mapNotNull { it.resolve(artifactId, sha256) }.merge()
// Intentionally not computing hash from the cached result; see ResolvedArtifact.computeHash() below.
val artifacts = resolvers.mapNotNull { it.resolve(artifactId) }.merge()
if (artifacts.isEmpty()) failed.add(artifactId)
artifacts
}
@@ -164,8 +166,8 @@ internal class ConfigurationResolver(
type = "ivy",
extension = "xml"
)
val sha256 = resolvedDesc.file.sha256()
val artifacts = resolvers.mapNotNull { it.resolve(artifactId, sha256) }.merge()
// Intentionally not computing hash from the cached result; see ResolvedArtifact.computeHash() below.
val artifacts = resolvers.mapNotNull { it.resolve(artifactId) }.merge()
if (artifacts.isEmpty()) failed.add(artifactId)
artifacts
}
@@ -283,4 +285,19 @@ private fun List<DefaultArtifact>.merge(): List<DefaultArtifact> {
return groupingBy { it.id }
.reduce { _, dest, next -> dest.copy(urls = dest.urls + next.urls) }
.values.toList()
}
private fun ResolvedArtifact.computeHash(): String? {
// Hack: Some POM files are served with CRLF line endings, e.g. javax.servlet:javax.servlet-api:3.1.0.
// Gradle stores these normalized with LF line endings, which will not match the eventual hash
// of the fixed-output derivation which produces the POM artifact.
//
// A similar issue can exist for Apache Ivy; see https://issues.apache.org/jira/browse/IVY-1156.
//
// Ignore these artifacts, and defer hash calculation to RepositoryResolver.
if (type == "pom" || type == "ivy") {
return null
}
return file.sha256()
}