Upgrading release process

Author: Justin Ryan

build.gradle

@@ -4,13 +4,15 @@ ext.githubProjectName = rootProject.name // Change if github project name is not
 buildscript {
     repositories {
         mavenLocal()
-        maven { url 'http://jcenter.bintray.com' }
+        mavenCentral() // maven { url 'http://jcenter.bintray.com' }
     }
     apply from: file('gradle/buildscript.gradle'), to: buildscript 
 }
 
 allprojects {
-    repositories { mavenRepo url: 'http://jcenter.bintray.com' }
+    repositories { 
+        mavenCentral() // maven { url: 'http://jcenter.bintray.com' }
+    }
 }
 
 apply from: file('gradle/convention.gradle')

gradle/buildscript.gradle

@@ -6,5 +6,5 @@ repositories {
 dependencies {
     classpath 'nl.javadude.gradle.plugins:license-gradle-plugin:0.6.1'
     classpath 'com.mapvine:gradle-cobertura-plugin:0.1'
-    classpath 'gradle-release:gradle-release:1.1'
+    classpath 'gradle-release:gradle-release:1.1.4'
 }

gradle/check.gradle

@@ -1,25 +1,26 @@
 subprojects {
-    // Checkstyle
-    apply plugin: 'checkstyle'
-    tasks.withType(Checkstyle) { ignoreFailures = true }
-    checkstyle {
-        ignoreFailures = true // Waiting on GRADLE-2163
-        configFile = rootProject.file('codequality/checkstyle.xml')
-    }
+// Checkstyle
+apply plugin: 'checkstyle'
+checkstyle {
+    ignoreFailures = true 
+    configFile = rootProject.file('codequality/checkstyle.xml')
+}
 
-    // FindBugs
-    apply plugin: 'findbugs'
-    //tasks.withType(Findbugs) { reports.html.enabled true }
+// FindBugs
+apply plugin: 'findbugs'
+findbugs {
+    ignoreFailures = true
+}
 
-    // PMD
-    apply plugin: 'pmd'
-    //tasks.withType(Pmd) { reports.html.enabled true }
+// PMD
+apply plugin: 'pmd'
+//tasks.withType(Pmd) { reports.html.enabled true }
 
-    apply plugin: 'cobertura'
-    cobertura {
-        sourceDirs = sourceSets.main.java.srcDirs
-        format = 'html'
-        includes = ['**/*.java', '**/*.groovy']
-        excludes = []
-    }
+apply plugin: 'cobertura'
+cobertura {
+    sourceDirs = sourceSets.main.java.srcDirs
+    format = 'html'
+    includes = ['**/*.java', '**/*.groovy']
+    excludes = []
+}
 }

gradle/convention.gradle

@@ -1,15 +1,11 @@
-
-// For Artifactory
-rootProject.status = version.contains('-SNAPSHOT')?'snapshot':'release'
+status = version.contains('SNAPSHOT')?'snapshot':status
 
 subprojects { project ->
     apply plugin: 'java' // Plugin as major conventions
 
-    version = rootProject.version
-
     sourceCompatibility = 1.6
 
-    // GRADLE-2087 workaround, perform after java plugin
+    // Restore status after Java plugin
     status = rootProject.status
 
     task sourcesJar(type: Jar, dependsOn:classes) {
@@ -51,9 +47,6 @@ subprojects { project ->
         }
     }
 
-    // Ensure output is on a new line
-    javadoc.doFirst { println "" }
-
     configurations {
         provided {
             description = 'much like compile, but indicates you expect the JDK or a container to provide it. It is only available on the compilation classpath, and is not transitive.'
@@ -79,5 +72,5 @@ task aggregateJavadoc(type: Javadoc) {
 
 // Generate wrapper, which is distributed as part of source to alleviate the need of installing gradle
 task createWrapper(type: Wrapper) {
-    gradleVersion = '1.4'
+    gradleVersion = '1.5'
 }

gradle/maven.gradle

@@ -8,14 +8,16 @@ subprojects {
         sign configurations.archives
     }
 
-    /**
-     * Publishing to Maven Central example provided from http://jedicoder.blogspot.com/2011/11/automated-gradle-project-deployment-to.html
-     */
-    task uploadMavenCentral(type:Upload, dependsOn: signArchives) {
-        configuration = configurations.archives
-        doFirst {
-            repositories.mavenDeployer {
-                beforeDeployment { org.gradle.api.artifacts.maven.MavenDeployment deployment -> signing.signPom(deployment) }
+/**
+ * Publishing to Maven Central example provided from http://jedicoder.blogspot.com/2011/11/automated-gradle-project-deployment-to.html
+ * artifactory will execute uploadArchives to force generation of ivy.xml, and we don't want that to trigger an upload to maven
+ * central, so using custom upload task.
+ */
+task uploadMavenCentral(type:Upload, dependsOn: signArchives) {
+    configuration = configurations.archives
+    onlyIf { ['release', 'snapshot'].contains(project.status) }
+        repositories.mavenDeployer {
+            beforeDeployment { signing.signPom(it) }
 
                 // To test deployment locally, use the following instead of oss.sonatype.org
                 //repository(url: "file://localhost/${rootProject.rootDir}/repo")
@@ -62,5 +64,4 @@ subprojects {
                 }
             }
         }
-    }
 }

gradle/release.gradle

@@ -1,60 +1,55 @@
 apply plugin: 'release'
 
-// Ignore release plugin's task because it calls out via GradleBuild. This is a good place to put an email to send out
-task release(overwrite: true, dependsOn: commitNewVersion) << {
-    // This is a good place to put an email to send out
-}
-commitNewVersion.dependsOn updateVersion
-updateVersion.dependsOn createReleaseTag
-createReleaseTag.dependsOn preTagCommit
-preTagCommit.dependsOn build
-preTagCommit.dependsOn buildWithArtifactory
-preTagCommit.dependsOn checkSnapshotDependencies
-checkSnapshotDependencies.dependsOn confirmReleaseVersion
-confirmReleaseVersion.dependsOn unSnapshotVersion
-unSnapshotVersion.dependsOn checkUpdateNeeded
-checkUpdateNeeded.dependsOn checkCommitNeeded
-checkCommitNeeded.dependsOn initScmPlugin
-
-[
-    uploadIvyLocal: 'uploadLocal', 
-    uploadArtifactory: 'artifactoryPublish', // Call out to compile against internal repository
-    buildWithArtifactory: 'build' // Build against internal repository
-].each { key, value ->
+[ uploadIvyLocal: 'uploadLocal', uploadArtifactory: 'artifactoryPublish', buildWithArtifactory: 'build' ].each { key, value ->
     // Call out to compile against internal repository
     task "${key}"(type: GradleBuild) {
         startParameter = project.gradle.startParameter.newInstance()
+        doFirst {
+            startParameter.projectProperties = [status: project.status]
+        }
         startParameter.addInitScript( file('gradle/netflix-oss.gradle') )
         startParameter.getExcludedTaskNames().add('check')
         tasks = [ 'build', value ]
     }
 }
-task releaseArtifactory(dependsOn: [preTagCommit, uploadArtifactory])
+
+// Marker task for following code to key in on
+task releaseCandidate(dependsOn: release)
+task forceCandidate {
+    onlyIf { gradle.taskGraph.hasTask(releaseCandidate) }
+    doFirst { project.status = 'candidate' }
+}
+release.dependsOn(forceCandidate)
+
+task releaseSnapshot(dependsOn: [uploadArtifactory, uploadMavenCentral])
+
+// Ensure our versions look like the project status before publishing
+task verifyStatus << {
+    def hasSnapshot = version.contains('-SNAPSHOT')
+    if (project.status == 'snapshot' && !hasSnapshot) {
+        throw new GradleException("Version (${version}) needs -SNAPSHOT if publishing snapshot")
+    }
+}
+uploadArtifactory.dependsOn(verifyStatus)
+uploadMavenCentral.dependsOn(verifyStatus)
 
 // Ensure upload happens before taggging but after all pre-checks
-createReleaseTag.dependsOn releaseArtifactory
+createReleaseTag.dependsOn([uploadArtifactory, uploadMavenCentral])
 
-subprojects.each { project ->
-    project.uploadMavenCentral.dependsOn rootProject.preTagCommit
-    rootProject.createReleaseTag.dependsOn project.uploadMavenCentral
+gradle.taskGraph.whenReady { taskGraph ->
+    def hasRelease = taskGraph.hasTask('commitNewVersion')
+    def indexOf = { return taskGraph.allTasks.indexOf(it) }
 
-    gradle.taskGraph.whenReady { taskGraph ->
-        if ( rootProject.status == 'release' && !taskGraph.hasTask(':release') ) {
-            throw new GradleException('"release" task has to be run before uploading a release')
-        }
+    if (hasRelease) {
+        assert indexOf(build) < indexOf(unSnapshotVersion), 'build target has to be after unSnapshotVersion'
+        assert indexOf(uploadMavenCentral) < indexOf(preTagCommit), 'preTagCommit has to be after uploadMavenCentral'
+        assert indexOf(uploadArtifactory) < indexOf(preTagCommit), 'preTagCommit has to be after uploadArtifactory'
     }
 }
 
 // Prevent plugin from asking for a version number interactively
 ext.'gradle.release.useAutomaticVersion' = "true"
 
 release {
-    failOnCommitNeeded=true
-    failOnPublishNeeded=true
-    failOnSnapshotDependencies=true
-    failOnUnversionedFiles=true
-    failOnUpdateNeeded=true
-    includeProjectNameInTag=true
-    revertOnFail=true
-    requireBranch = null
+    git.requireBranch = null
 }