Remove japicmp task and config in favor of Roseau (#5126)

(cherry picked from commit b7084ce)

Author: marcphilipp

gradle/config/japicmp/accepted-breaking-changes.txt

@@ -99,7 +99,6 @@ download = { id = "de.undercouch.download", version = "5.6.0" }
 errorProne = { id = "net.ltgt.errorprone", version = "4.3.0" }
 foojayResolver = { id = "org.gradle.toolchains.foojay-resolver", version = "1.0.0" }
 gitPublish = { id = "org.ajoberstar.git-publish", version = "5.1.3" }
-japicmp = { id = "me.champeau.gradle.japicmp", version = "0.4.6" }
 jmh = { id = "me.champeau.jmh", version = "0.7.3" }
 jreleaser = { id = "org.jreleaser", version = "1.20.0" }
 # check if workaround in gradle.properties can be removed when updating

gradle/libs.versions.toml

@@ -8,7 +8,6 @@ plugins {
 dependencies {
 	implementation("junitbuild.base:dsl-extensions")
 	implementation(libs.plugins.download.markerCoordinates)
-	implementation(libs.plugins.japicmp.markerCoordinates)
 	implementation(libs.jackson.dataformat.yaml)
 }
 

gradle/plugins/backward-compatibility/build.gradle.kts

@@ -1,23 +1,12 @@
 
 import de.undercouch.gradle.tasks.download.Download
 import junitbuild.compatibility.BackwardCompatibilityChecksExtension
-import junitbuild.compatibility.japicmp.AcceptedViolationSuppressor
-import junitbuild.compatibility.japicmp.AcceptedViolationsPostProcessRule
-import junitbuild.compatibility.japicmp.BreakingSuperClassChangeRule
-import junitbuild.compatibility.japicmp.InternalApiFilter
-import junitbuild.compatibility.japicmp.SourceIncompatibleRule
 import junitbuild.compatibility.roseau.RoseauDiff
 import junitbuild.extensions.dependencyFromLibs
-import junitbuild.extensions.javaModuleName
-import me.champeau.gradle.japicmp.JapicmpTask
-import me.champeau.gradle.japicmp.report.stdrules.BinaryIncompatibleRule
-import me.champeau.gradle.japicmp.report.stdrules.RecordSeenMembersSetup
-import org.gradle.internal.os.OperatingSystem
 
 plugins {
 	java
 	id("de.undercouch.download")
-	id("me.champeau.gradle.japicmp")
 }
 
 val roseauDependencies = configurations.dependencyScope("roseau")
@@ -38,16 +27,6 @@ dependencies {
 
 val extension = extensions.create<BackwardCompatibilityChecksExtension>("backwardCompatibilityChecks").apply {
 	enabled.convention(true)
-	acceptedIncompatibilities.apply {
-		val acceptedBreakingChangesFile = rootProject.layout.projectDirectory.file("gradle/config/japicmp/accepted-breaking-changes.txt")
-		if (acceptedBreakingChangesFile.asFile.exists()) {
-			convention(providers.fileContents(acceptedBreakingChangesFile).asText
-				.map { it.lineSequence().filter { line -> line.startsWith(project.javaModuleName) }.toList() })
-		} else {
-			empty()
-		}
-		finalizeValueOnRead()
-	}
 	previousVersion.apply {
 		convention(providers.gradleProperty("apiBaselineVersion"))
 		finalizeValueOnRead()
@@ -61,7 +40,7 @@ val downloadPreviousReleaseJar by tasks.registering(Download::class) {
 	onlyIf { extension.enabled.get() }
 	val previousVersion = extension.previousVersion.get()
 	src("https://repo1.maven.org/maven2/${project.group.toString().replace(".", "/")}/${project.name}/$previousVersion/${project.name}-$previousVersion.jar")
-	dest(layout.buildDirectory.dir("japicmp"))
+	dest(layout.buildDirectory.dir("previousRelease"))
 	overwrite(false)
 	quiet(true)
 	retries(2)
@@ -89,48 +68,10 @@ val roseau by tasks.registering(RoseauDiff::class) {
 	reportDir = layout.buildDirectory.dir("reports/roseau")
 }
 
-val japicmp by tasks.registering(JapicmpTask::class) {
-	if (gradle.startParameter.isOffline) {
-		enabled = false
-	}
-	onlyIf { extension.enabled.get() }
-	shouldRunAfter(roseau)
-
-	oldClasspath.from(downloadPreviousReleaseJar.map { it.outputFiles })
-	newClasspath.from(tasks.jar)
-	onlyModified = true
-	ignoreMissingClasses = true
-	htmlOutputFile = layout.buildDirectory.file("reports/japicmp/plain-report.html")
-	addExcludeFilter(InternalApiFilter::class.java)
-	packageExcludes.add("*.shadow.*")
-	inputs.property("acceptedIncompatibilities", extension.acceptedIncompatibilities)
-	richReport {
-		title = "Compatibility report"
-		description = extension.previousVersion.map { "and source compatibility compared against $it" }
-		destinationDir = layout.buildDirectory.dir("reports/japicmp")
-		addSetupRule(RecordSeenMembersSetup::class.java)
-		addRule(BreakingSuperClassChangeRule::class.java)
-		addRule(BinaryIncompatibleRule::class.java)
-		addRule(SourceIncompatibleRule::class.java)
-	}
-}
-
 val checkBackwardCompatibility by tasks.registering {
-	dependsOn(roseau, japicmp)
+	dependsOn(roseau)
 }
 
 tasks.check {
 	dependsOn(checkBackwardCompatibility)
 }
-
-afterEvaluate {
-	val params = mapOf(
-		"acceptedIncompatibilities" to extension.acceptedIncompatibilities.get().joinToString(",")
-	)
-	japicmp {
-		richReport {
-			addViolationTransformer(AcceptedViolationSuppressor::class.java, params)
-			addPostProcessRule(AcceptedViolationsPostProcessRule::class.java, params)
-		}
-	}
-}

gradle/plugins/backward-compatibility/src/main/kotlin/junitbuild.backward-compatibility.gradle.kts

@@ -1,14 +1,11 @@
 package junitbuild.compatibility
 
 import org.gradle.api.provider.Property
-import org.gradle.api.provider.SetProperty
 
 abstract class BackwardCompatibilityChecksExtension {
 
     abstract val enabled: Property<Boolean>
 
     abstract val previousVersion: Property<String>
 
-    abstract val acceptedIncompatibilities: SetProperty<String>
-
 }