feat: release gradle plugin (#975)

* feat: release gradle plugin

* change comment

* specify version in build.gradle

* setup maven-publish plugin

* change working dir for gradle plugin

* change gradle command

* export gpg_key_id

Author: JoeWang1127

.kokoro/common.sh

@@ -25,6 +25,8 @@ setup_environment_secrets() {
   mkdir "${GPG_HOMEDIR}"
   mv "${KOKORO_KEYSTORE_DIR}"/70247_maven-gpg-pubkeyring "${GPG_HOMEDIR}"/pubring.gpg
   mv "${KOKORO_KEYSTORE_DIR}"/70247_maven-gpg-keyring "${GPG_HOMEDIR}"/secring.gpg
+  GPG_KEY_ID=$(echo -n "$(gpg --with-colons "${GPG_HOMEDIR}"/pubring.gpg | awk -F':' '/pub/{ print $5 }')")
+  export GPG_KEY_ID
   SONATYPE_USERNAME=$(cat "${KOKORO_KEYSTORE_DIR}"/70247_sonatype-credentials | cut -f1 -d'|')
   export SONATYPE_USERNAME
   SONATYPE_PASSWORD=$(cat "${KOKORO_KEYSTORE_DIR}"/70247_sonatype-credentials | cut -f2 -d'|')
@@ -52,3 +54,14 @@ create_settings_xml_file() {
   </servers>
 </settings>" > "$1"
 }
+
+create_gradle_properties_file() {
+  echo "
+signing.gnupg.executable=gpg
+signing.gnupg.homeDir=${GPG_HOMEDIR}
+signing.gnupg.keyName=${GPG_KEY_ID}
+signing.gnupg.passphrase=${GPG_PASSPHRASE}
+
+ossrhUsername=${SONATYPE_USERNAME}
+ossrhPassword=${SONATYPE_PASSWORD}" > $1
+}

.kokoro/release_build.sh

@@ -17,4 +17,3 @@ mvn -Prelease -B -U verify -Dtest=!FilePermissionsTest -Dorg.slf4j.simpleLogger.
 ARTIFACT_ID=$(mvn -B help:evaluate -Dexpression=project.artifactId 2>/dev/null | grep -v "^\[")
 PROJECT_VERSION=$(mvn -B help:evaluate -Dexpression=project.version 2>/dev/null| grep -v "^\[")
 cp pom.xml target/${ARTIFACT_ID}-${PROJECT_VERSION}.pom
-

.kokoro/stage.sh

@@ -64,4 +64,15 @@ else
   echo "AUTORELEASE_PR environment variable is not set (probably testing something). Not promoting the staged repository."
 fi
 
-popd
+# release app-gradle-plugin
+GRADLE_SETTING_FILE=$(realpath .)/app-gradle-plugin/gradle.properties
+create_gradle_properties_file "${GRADLE_SETTING_FILE}"
+pushd app-gradle-plugin
+if [[ -n "${AUTORELEASE_PR}" ]]; then
+  ./gradlew publishMavenJavaPublicationToMavenRepository
+  echo "Successfully finished './gradlew publishMavenJavaPublicationToMavenRepository'"
+else
+  ./gradlew publishMavenJavaPublicationToMavenLocal
+fi
+popd # app-gradle-plugin
+popd # repository root

app-gradle-plugin/build.gradle.kts

@@ -1,6 +1,7 @@
 import net.researchgate.release.GitAdapter.GitConfig
 import java.util.Date
 import org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
+import java.beans.EventHandler.create
 
 /*
  * Copyright 2022 Google LLC. All Rights Reserved.
@@ -19,6 +20,9 @@ import org.gradle.api.tasks.testing.logging.TestExceptionFormat.FULL
  *
  */
 
+group = "com.google.cloud.tools"
+version = "2.5.2-SNAPSHOT" // {x-version-update:app-gradle-plugin:current}
+
 plugins {
   id("java")
   id("maven")
@@ -27,6 +31,8 @@ plugins {
   id("com.github.sherter.google-java-format") version "0.9"
   id("checkstyle")
   id("jacoco")
+  id("maven-publish")
+  id("signing")
 }
 
 repositories {
@@ -39,20 +45,17 @@ java {
   targetCompatibility = JavaVersion.VERSION_1_8
 }
 
-group = "com.google.cloud.tools"
-
 dependencies {
   implementation(localGroovy())
   implementation(gradleApi())
-  api("com.google.cloud.tools:appengine-plugins-core:0.10.1") // {x-version-update:appengine-plugins-core:current}
+  api("com.google.cloud.tools:appengine-plugins-core:0.10.2-SNAPSHOT") // {x-version-update:appengine-plugins-core:current}
 
   testImplementation("commons-io:commons-io:2.11.0")
   testImplementation("junit:junit:4.13.2")
   testImplementation("org.hamcrest:hamcrest-library:2.2")
   testImplementation("org.mockito:mockito-core:4.11.0")
 }
 
-
 tasks.wrapper {
   gradleVersion = "6.9"
 }
@@ -194,6 +197,32 @@ release {
     requireBranch = """^release-v\d+.*$"""  //regex
   }
 }
+
+publishing {
+  publications {
+    create<MavenPublication>("mavenJava") {
+      artifactId = "appengine-gradle-plugin"
+      from(components["java"])
+    }
+  }
+  repositories {
+    maven {
+      url = uri("https://google.oss.sonatype.org/service/local/staging/deploy/maven2/")
+      credentials {
+        username = findProperty("ossrhUsername").toString()
+        password = findProperty("ossrhPassword").toString()
+      }
+    }
+  }
+}
+
+signing {
+  setRequired({ gradle.taskGraph.hasTask(":${name}:publishMavenJavaPublicationToMavenRepository") })
+  if (project.hasProperty("signing.gnupg.executable")) {
+    useGpgCmd()
+  }
+  sign(publishing.publications["mavenJava"])
+}
 /* RELEASING */
 
 /* FORMATTING */

app-gradle-plugin/gradle.properties

@@ -4,7 +4,7 @@
 
   <groupId>com.google.cloud.tools</groupId>
   <artifactId>appengine-maven-plugin</artifactId>
-  <version>2.5.1</version><!-- {x-version-update:app-maven-plugin:current} -->
+  <version>2.5.2-SNAPSHOT</version><!-- {x-version-update:app-maven-plugin:current} -->
   <packaging>maven-plugin</packaging>
 
   <name>App Engine Maven Plugin</name>
@@ -92,7 +92,7 @@
     <dependency>
       <groupId>com.google.cloud.tools</groupId>
       <artifactId>appengine-plugins-core</artifactId>
-      <version>0.10.1</version><!-- {x-version-update:appengine-plugins-core:current} -->
+      <version>0.10.2-SNAPSHOT</version><!-- {x-version-update:appengine-plugins-core:current} -->
     </dependency>
 
     <dependency>

app-maven-plugin/pom.xml

@@ -4,7 +4,7 @@
 
   <groupId>com.google.cloud.tools</groupId>
   <artifactId>appengine-plugins-core</artifactId>
-  <version>0.10.1</version><!-- {x-version-update:appengine-plugins-core:current} -->
+  <version>0.10.2-SNAPSHOT</version><!-- {x-version-update:appengine-plugins-core:current} -->
 
   <name>App Engine Plugins Core Library</name>
   <description>

appengine-plugins-core/pom.xml

@@ -1,5 +1,6 @@
 # Format:
 # module:released-version:current-version
 
-appengine-plugins-core:0.10.0:0.10.1
-app-maven-plugin:2.5.0:2.5.1
+appengine-plugins-core:0.10.1:0.10.2-SNAPSHOT
+app-maven-plugin:2.5.1:2.5.2-SNAPSHOT
+app-gradle-plugin:2.5.0:2.5.2-SNAPSHOT