[Gradle] Hash MetadataDependencyTransformationTaskInputs to reduce CC size
Experiment: try hashing the inputs, so they don't take up so much space in CC.
^KT-72933
diff --git a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/MetadataDependencyTransformationTaskInputs.kt b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/MetadataDependencyTransformationTaskInputs.kt
index 7a9b493..8a721f2 100644
--- a/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/MetadataDependencyTransformationTaskInputs.kt
+++ b/libraries/tools/kotlin-gradle-plugin/src/common/kotlin/org/jetbrains/kotlin/gradle/plugin/mpp/MetadataDependencyTransformationTaskInputs.kt
@@ -17,6 +17,7 @@
import org.jetbrains.kotlin.utils.addToStdlib.applyIf
import java.io.IOException
import java.io.OutputStream
+import java.io.OutputStreamWriter
import java.security.DigestOutputStream
import java.security.MessageDigest
import java.util.*
@@ -97,12 +98,23 @@
@get:Input
@Suppress("unused") // Gradle input
val inputSourceSetsAndCompilationsChecksum: String by lazy {
- val inputSourceSetsAndCompilations: Map<String, Iterable<String>> =
- participatingSourceSets.associate { sourceSet ->
- sourceSet.name to sourceSet.internal.compilations.mapTo(sortedSetOf()) { it.name }
+ Hasher().use { hasher ->
+ participatingSourceSets.forEach { sourceSet ->
+ hasher.write(sourceSet.name)
+
+ hasher.write("[")
+ sourceSet.internal.compilations
+ .mapTo(sortedSetOf()) { it.name }
+ .forEach { name ->
+ hasher.write(name)
+ hasher.write(",")
+ }
+
+ hasher.write("]")
}
- createChecksum(inputSourceSetsAndCompilations)
+ hasher.get()
+ }
}
@Suppress("unused") // Gradle input
@@ -113,29 +125,35 @@
@get:Input
@Suppress("unused") // Gradle input
val inputCompilationDependenciesChecksum: String by lazy {
- val inputCompilationDependencies: Map<String, Set<String>> =
+ Hasher().use { hasher ->
participatingSourceSets
.flatMap { it.internal.compilations }
- .associate { compilation ->
- val dependencies = project.configurations.getByName(compilation.compileDependencyConfigurationName)
+ .forEach { compilation ->
+ hasher.write(compilation.name)
+ hasher.write("[")
+ project.configurations.getByName(compilation.compileDependencyConfigurationName)
.allDependencies
- .mapTo(mutableSetOf()) { dependency ->
+ .forEach { dependency ->
if (dependency is ProjectDependency && keepProjectDependencies) {
if (GradleVersion.current() < GradleVersion.version("8.11")) {
@Suppress("DEPRECATION")
- dependency.dependencyProject.path
+ hasher.write(dependency.dependencyProject.path)
} else {
- dependency.path
+ hasher.write(dependency.path)
}
} else {
- dependency.run { "${name}:${group}:${version}" }
+ hasher.write(dependency.name)
+ hasher.write(":")
+ hasher.write(dependency.group ?: "")
+ hasher.write(":")
+ hasher.write(dependency.version ?: "")
}
+ hasher.write(",")
}
-
- compilation.name to dependencies
+ hasher.write("]")
}
-
- createChecksum(inputCompilationDependencies)
+ hasher.get()
+ }
}
private fun Configuration.withoutProjectDependencies(): FileCollection {
@@ -145,23 +163,22 @@
}
}
-private fun createChecksum(data: Map<String, Iterable<String>>): String {
- val messageDigester = MessageDigest.getInstance("MD5")
- DigestOutputStream(nullOutputStream(), messageDigester).writer().use { digestStream ->
- with(digestStream) {
- data.forEach { (k, v) ->
- write("k:")
- write(k)
- write("values[")
- v.forEach {
- write(it)
- write(",")
- }
- write("];")
- }
- }
+
+private class Hasher : AutoCloseable {
+ private val messageDigester = MessageDigest.getInstance("MD5")
+ private val writer: OutputStreamWriter = DigestOutputStream(nullOutputStream(), messageDigester).writer()
+
+ fun write(value: String) {
+ writer.write(value)
}
- return Base64.getEncoder().encodeToString(messageDigester.digest())
+
+ fun get(): String {
+ return Base64.getEncoder().encodeToString(messageDigester.digest())
+ }
+
+ override fun close() {
+ writer.close()
+ }
}
/** Replace with [OutputStream.nullOutputStream] when the minimum JDK is 11+. */
