Release publishing

.github/workflows/prepare-release.yml

@@ -0,0 +1,91 @@
+name: Prepare Release
+on:
+  pull_request:
+
+env:
+  NEXUS_SDK_REF: release-publishing
+  NEXUS_SDK_TAG: v0.1.0-alpha1
+#   workflow_dispatch:
+#     inputs:
+#       tag:
+#         type: string
+#         description: "Release version tag (e.g. v1.2.3)"
+#         required: true
+#       ref:
+#         type: string
+#         description: "Git ref from which to release"
+#         required: true
+#         default: "main"
+#       do_publish_jars:
+#         type: boolean
+#         description: "Publish Java artifacts for staging"
+#         required: true
+#         default: "true"
+# env:
+#   NEXUS_SDK_REF: ${{ github.event.inputs.ref }}
+#   NEXUS_SDK_TAG: ${{ github.event.inputs.tag }}
+
+jobs:
+  create_draft_release:
+    name: Create Github draft release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Audit gh version
+        run: gh --version
+
+      - name: Check for existing release
+        id: check_release
+        run: |
+          echo "::echo::on"
+          gh release view --repo "$GITHUB_REPOSITORY" "$NEXUS_SDK_TAG" \
+            && echo "::set-output name=already_exists::true" \
+            || echo "::set-output name=already_exists::false"
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Checkout repo
+        if: steps.check_release.outputs.already_exists == 'false'
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.NEXUS_SDK_REF }}
+
+      - name: Create release
+        if: steps.check_release.outputs.already_exists == 'false'
+        run: >
+          gh release create
+          "$NEXUS_SDK_REF"
+          --draft
+          --repo "$GITHUB_REPOSITORY"
+          --title "$NEXUS_SDK_TAG"
+          --target "$NEXUS_SDK_REF"
+          --generate-notes
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  publish_java_artifacts:
+    name: Publish Java artifacts
+    # if: ${{ github.event.inputs.do_publish_jars == 'true' }}
+    runs-on: ubuntu-latest
+    needs: create_draft_release
+    steps:
+      - name: Checkout repo
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ env.NEXUS_SDK_REF }}
+
+      - name: Set up Java
+        uses: actions/setup-java@v4
+        with:
+          java-version: "11"
+          distribution: "temurin"
+
+      - name: Set up Gradle
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: Stage
+        run: ./gradlew nexus-sdk:publishToMavenCentral --no-configuration-cache
+        env:
+          ORG_GRADLE_PROJECT_mavenCentralUsername: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
+          ORG_GRADLE_PROJECT_mavenCentralPassword: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
+          ORG_GRADLE_PROJECT_signingInMemoryKey: ${{ secrets.SIGNING_IN_MEMORY_KEY }}
+          ORG_GRADLE_PROJECT_signingInMemoryKeyPassword: ${{ secrets.SIGNING_IN_MEMORY_KEY_PASSWORD }}

nexus-sdk/build.gradle

@@ -2,6 +2,7 @@
 plugins {
     id 'java-library'
     id 'com.diffplug.spotless'
+    id 'com.vanniktech.maven.publish' version '0.29.0'
 }
 
 dependencies {
@@ -30,3 +31,62 @@ spotless {
 }
 
 classes.dependsOn 'spotlessApply'
+
+ext.getVersionName = { ->
+    def version = System.getenv('NEXUS_SDK_TAG')
+    if (version == null || version.isEmpty()) {
+        return null
+    }
+
+    // Remove "v" prefix if present
+    if (version.startsWith("v")) {
+        version = version.substring(1)
+    }
+    return version
+}
+
+group = 'io.nexusrpc'
+version = getVersionName()
+
+import com.vanniktech.maven.publish.SonatypeHost
+
+mavenPublishing {
+    publishToMavenCentral(SonatypeHost.CENTRAL_PORTAL)
+
+    signAllPublications()
+
+    pom {
+        name = 'Nexus Java SDK'
+        description = 'Java SDK for working with Nexus RPC'
+        url = 'https://github.com/nexus-rpc/sdk-java'
+        licenses {
+            license {
+                name = 'MIT License'
+                url = 'https://opensource.org/license/mit'
+            }
+        }
+        scm {
+            connection = 'scm:git@github.com:nexus-rpc/sdk-java.git'
+            developerConnection = 'scm:git@github.com:nexus-rpc/sdk-java.git'
+            url = 'https://github.com/nexus-rpc/sdk-java.git'
+        }
+        developers {
+            developer {
+                id = 'team-sdk'
+                name = 'Temporal.io SDK Team'
+                email = 'team-sdk@temporal.io'
+            }
+        }
+    }
+}
+
+// Make sure there is a tag at publish time
+tasks.whenTaskAdded { task ->
+    if (task.name == 'generateMetadataFileForMavenPublication') {
+        task.doFirst {
+            if (getVersionName() == null) {
+                throw new GradleException('Must set NEXUS_SDK_TAG env var')
+            }
+        }
+    }
+}