Add GitHub Action for Scheduled Releases (#537)

* Add github action that creates automatic scheduled releases

* Test and generate artifacts before committing changes

* Use tag --list to get list of tags

* Change a palceholder for repo version in build.gradle

* Add comment about fixed snapshot version

* Update .github/workflows/create-scheduled-release.yml

---------

Co-authored-by: Fabio Niephaus <[email protected]>

.github/workflows/create-scheduled-release.yml

@@ -0,0 +1,79 @@
+name: "Create scheduled release"
+
+on:
+  schedule:
+    - cron: "0 0 1 * *"
+    - cron: "0 0 15 * *"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  get-changed-metadata:
+    name: "📋 Get a list of changed metadata"
+    runs-on: "ubuntu-20.04"
+    timeout-minutes: 5
+    outputs:
+      matrix: ${{ steps.set-matrix.outputs.matrix }}
+      none-found: ${{ steps.set-matrix.outputs.none-found }}
+    steps:
+      - name: "☁️ Checkout repository"
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: "🔧 Setup java"
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'graalvm'
+          java-version: '21'
+      - name: "🕸️ Get changed metadata matrix"
+        id: set-matrix
+        run: |
+          LATEST_TAG=$(git tag --list | sort -V | tail -1)
+          ./gradlew generateMatrixDiffCoordinates -PbaseCommit=$(git show-ref -s $LATEST_TAG) -PnewCommit=$(git rev-parse HEAD)
+
+  release:
+    needs: get-changed-metadata
+    if: needs.get-changed-metadata.result == 'success' && needs.get-changed-metadata.outputs.none-found != 'true'
+    name: "🚀 Create a release"
+    runs-on: "ubuntu-20.04"
+    env:
+      GH_TOKEN: ${{ github.token }}
+    steps:
+      - name: "☁️ Checkout repository"
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - name: "🔧 Setup java"
+        uses: actions/setup-java@v4
+        with:
+          distribution: 'graalvm'
+          java-version: '21'
+      - name: "Get tags"
+        run: |
+          PREVIOUS_RELEASE_TAG=$(git tag --list | sort -V | tail -1)
+          echo "PREVIOUS_RELEASE_TAG=$PREVIOUS_RELEASE_TAG" >> ${GITHUB_ENV}
+
+          CURRENT_RELEASE_TAG=$(sed -E 's/^([0-9]+\.)([0-9]+\.)([0-9]+)/echo \1\2$((\3+1))/e' <<< $PREVIOUS_RELEASE_TAG)
+          echo "CURRENT_RELEASE_TAG=$CURRENT_RELEASE_TAG" >> ${GITHUB_ENV}
+      - name: "⬆️ Update version"
+        run: |
+          sed -i "s/project.version(\"1.0.0-SNAPSHOT\")/project.version(\"${{ env.CURRENT_RELEASE_TAG }}\")/g" build.gradle
+      - name: "🔍 Run spotless check"
+        run: |
+          ./gradlew spotlessCheck
+      - name: "🏭 Generate release artifacts"
+        run: |
+          ./gradlew package
+      - name: "📄 Commit changes"
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "Github Actions"
+          git add .
+          git commit -m "Release version ${{ env.CURRENT_RELEASE_TAG }}"
+          git tag ${{ env.CURRENT_RELEASE_TAG }}
+          git push origin ${{ env.CURRENT_RELEASE_TAG }}
+      - name: "📝 Publish a release"
+        run: |
+          gh release create ${{ env.CURRENT_RELEASE_TAG }} build/graalvm-reachability-metadata-*.zip --generate-notes --notes-start-tag ${{ env.PREVIOUS_RELEASE_TAG }}

build.gradle

@@ -18,7 +18,8 @@ allprojects {
     }
 }
 
-project.version("0.3.10-SNAPSHOT")
+// NOTE: this version serves only as a placeholder and will be overridden by the CI when creating a new release
+project.version("1.0.0-SNAPSHOT")
 
 // gradle check
 spotless {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.10-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists