a2a-java/.github/workflows/create-github-release.yml at main · a2aproject/a2a-java · GitHub

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name: Create GitHub Release

on:
  push:
    tags:
      - 'v?[0-9]+.[0-9]+.[0-9]+*' # Trigger on tags like v1.0.0, 1.2.3, v1.2.3.Alpha1 etc.

jobs:
  create-release:
    # Only run this job for the main repository, not for forks
    if: github.repository == 'a2aproject/a2a-java'
    runs-on: ubuntu-latest
    permissions:
      contents: write  # Required to create releases

    steps:
      - name: Checkout repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 0  # Fetch all history for changelog generation

      - name: Extract version from tag
        id: version
        run: |
          # Remove 'v' prefix if present
          VERSION=${GITHUB_REF_NAME#v}
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          echo "Version: $VERSION"

      - name: Generate release notes
        id: release_notes
        uses: actions/github-script@v9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const version = '${{ steps.version.outputs.version }}';

            // Get the previous tag
            let previousTag = '';
            try {
              const { data: tags } = await github.rest.repos.listTags({
                owner: context.repo.owner,
                repo: context.repo.repo,
                per_page: 100
              });

              // Find current tag index
              const currentIndex = tags.findIndex(tag => tag.name === context.ref.replace('refs/tags/', ''));

              // Get previous tag (next in list)
              if (currentIndex >= 0 && currentIndex < tags.length - 1) {
                previousTag = tags[currentIndex + 1].name;
              }
            } catch (error) {
              console.log('Could not fetch previous tag:', error.message);
            }

            // Build release notes
            let releaseNotes = `## A2A Java SDK ${version}\n\n`;

            // Add Maven Central installation instructions
            releaseNotes += `### Installation\n\n`;
            releaseNotes += `**Maven**:\n\`\`\`xml\n<dependency>\n`;
            releaseNotes += `    <groupId>org.a2aproject.sdk</groupId>\n`;
            releaseNotes += `    <artifactId>a2a-java-sdk-client</artifactId>\n`;
            releaseNotes += `    <version>${version}</version>\n`;
            releaseNotes += `</dependency>\n\`\`\`\n\n`;

            releaseNotes += `**Gradle**:\n\`\`\`gradle\n`;
            releaseNotes += `implementation 'org.a2aproject.sdk:a2a-java-sdk-client:${version}'\n`;
            releaseNotes += `\`\`\`\n\n`;

            // Add links
            releaseNotes += `### Links\n\n`;
            releaseNotes += `- [Maven Central](https://central.sonatype.com/artifact/org.a2aproject.sdk/a2a-java-sdk-parent/${version})\n`;
            releaseNotes += `- [JavaDoc](https://javadoc.io/doc/org.a2aproject.sdk/a2a-java-sdk-parent/${version})\n`;
            releaseNotes += `- [GitHub](https://github.com/a2aproject/a2a-java/tree/v${version})\n\n`;

            // Add changelog header
            if (previousTag) {
              releaseNotes += `### Changes since ${previousTag}\n\n`;
              releaseNotes += `[Full Changelog](https://github.com/a2aproject/a2a-java/compare/${previousTag}...v${version})\n\n`;
            } else {
              releaseNotes += `### Changes\n\n`;
            }

            return releaseNotes;

      - name: Create GitHub Release
        uses: actions/github-script@v9
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const version = '${{ steps.version.outputs.version }}';
            const tag = context.ref.replace('refs/tags/', '');
            const releaseNotes = ${{ steps.release_notes.outputs.result }};

            // Determine if this is a pre-release
            const isPrerelease = version.includes('Alpha') ||
                                version.includes('Beta') ||
                                version.includes('RC') ||
                                version.includes('SNAPSHOT');

            try {
              const { data: release } = await github.rest.repos.createRelease({
                owner: context.repo.owner,
                repo: context.repo.repo,
                tag_name: tag,
                name: `v${version}`,
                body: releaseNotes,
                draft: false,
                prerelease: isPrerelease,
                generate_release_notes: true  // GitHub will append auto-generated notes
              });

              console.log(`✅ Created release: ${release.html_url}`);
              core.summary
                .addHeading(`Release v${version} Created`)
                .addLink('View Release', release.html_url)
                .addLink('Maven Central', `https://central.sonatype.com/artifact/org.a2aproject.sdk/a2a-java-sdk-parent/${version}`)
                .write();

            } catch (error) {
              if (error.status === 422 && error.message.includes('already_exists')) {
                console.log('⚠️  Release already exists for this tag');
              } else {
                throw error;
              }
            }