IDEA-180474 Cleanup obsolete archives in jbre/jbsdk folders

GitOrigin-RevId: b973197c4a2fe8d15591815c82ec7014ab0d9ba4

build/dependencies/archivesCleanup.gradle

@@ -0,0 +1,13 @@
+// Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
+project.ext.deleteObsoleteArchivesTask = { String type, String dir ->
+  // Delete all files older than 30 days except one with the latest modification date
+  tasks.create(name: "deleteObsolete${type}Archives", type: Delete) {
+    def deleteThreshold = new Date() - 30
+
+    delete fileTree(dir: dir)
+             .matching { include '*.tar.gz' }
+             .findAll { file -> new Date(file.lastModified()).before(deleteThreshold) }
+             .sort { file -> file.lastModified() }
+             .dropRight(1)
+  }
+}

build/dependencies/setupJbre.gradle

@@ -1,7 +1,13 @@
 // Copyright 2000-2020 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
 import java.util.concurrent.TimeUnit
 
-task setupJbre()
+apply from: 'archivesCleanup.gradle'
+
+ext.jbreOutputDir = "$project.buildDir/jbre"
+def deleteObsoleteJbreArchives = ext.deleteObsoleteArchivesTask('Jbre', jbreOutputDir)
+task setupJbre() {
+  finalizedBy deleteObsoleteJbreArchives
+}
 
 def targetOs = System.getProperty("intellij.build.target.os", "all")
 def jreVersion = System.getProperty("intellij.build.bundled.jre.version", "11").toInteger()
@@ -53,8 +59,7 @@ def jreUrl() {
 }
 
 def downloadJbrTask(String artifactName, String build) {
-  def outputDir = "$project.buildDir/jbre"
-  def outputFile = "$outputDir/${artifactName}.tar.gz"
+  def outputFile = "${jbreOutputDir}/${artifactName}.tar.gz"
   task("download${artifactName.capitalize()}") {
     inputs.property('build', build)
     outputs.file(outputFile)

build/dependencies/setupJdk.gradle

@@ -5,6 +5,8 @@ import java.nio.file.Files
 import java.nio.file.Paths
 import java.util.concurrent.TimeUnit
 
+apply from: 'archivesCleanup.gradle'
+
 def jbrVersionToUnpack = System.getProperty('intellij.build.jdk.version', '8').toInteger()
 task setupJdks(dependsOn: ["setupJbr$jbrVersionToUnpack"])
 cleanSetupJdks.dependsOn('cleanSetupJbr8', 'cleanSetupJbr11', 'cleanDownloadJbr8', 'cleanDownloadJbr11', 'cleanSetupJdk16')
@@ -14,6 +16,9 @@ def jdkDir = System.getProperty('intellij.build.jdks.target.dir')?.with {
   it
 } ?: "${intellijProjectDir()}/build/jdk"
 
+ext.jbsdkDir = "$project.buildDir/jbsdk"
+def deleteObsoleteJdkArchives = ext.deleteObsoleteArchivesTask('Jdk', jbsdkDir)
+
 /**
  * Update this method together with:
  *  `setupJbre.gradle`
@@ -52,7 +57,7 @@ static def splitJbrBuild(String jreBuild, String version) {
     def jbrUrl = jbrUrl(jbrVersion.toString(), jbrBuild.toString(), jbrArtifactPrefix)
     def (update, buildNumber) = splitJbrBuild(jbrBuild.toString(), jbrVersion.toString())
     def artifactName = "$jbrArtifactPrefix${update}-${platform}-${arch}-${buildNumber}.tar.gz"
-    def outputFile = "$project.buildDir/jbsdk/${artifactName}"
+    def outputFile = "$jbsdkDir/${artifactName}"
 
     inputs.property('version', jbrVersion)
     inputs.property('build', jbrBuild)
@@ -84,6 +89,7 @@ static def splitJbrBuild(String jreBuild, String version) {
     }
   }
   setupJbr.finalizedBy(checkJbr(jbrVersion, jbrOutputDir))
+  setupJbr.finalizedBy(deleteObsoleteJdkArchives)
 }
 
 def unpackJdk(jbrArchive, outputDir) {