release-agent-plugin.yml

name: Release agent plugin

on:
  workflow_dispatch:
    inputs:
      feature_release:
        description: 'Feature release (1.0.0 -> 1.1.0)'
        required: false
        default: false
        type: boolean
      major_release:
        description: 'Major release (1.0.0 -> 2.0.0)'
        required: false
        default: false
        type: boolean

permissions:
  contents: write

concurrency:
  group: release-modern-java-development
  cancel-in-progress: false

jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Require the main branch
        if: github.ref != 'refs/heads/main'
        run: |
          echo "::error::Agent plugin releases must be run from the main branch."
          exit 1

      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Determine release version
        id: version
        env:
          FEATURE_RELEASE: ${{ inputs.feature_release }}
          GH_TOKEN: ${{ github.token }}
          MAJOR_RELEASE: ${{ inputs.major_release }}
        run: |
          set -euo pipefail

          manifest="agent-plugins/modern-java-development/plugin.json"
          current_version=$(jq -r '.version' "$manifest")

          if [[ ! "$current_version" =~ ^(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)\.(0|[1-9][0-9]*)$ ]]; then
            echo "::error::Invalid SemVer in $manifest: $current_version"
            exit 1
          fi
          major="${BASH_REMATCH[1]}"
          minor="${BASH_REMATCH[2]}"
          patch="${BASH_REMATCH[3]}"

          if [[ "$FEATURE_RELEASE" == "true" && "$MAJOR_RELEASE" == "true" ]]; then
            echo "::error::Feature and major release inputs are mutually exclusive."
            exit 1
          fi

          tag="modern-java-development-v$current_version"
          if git rev-parse --verify --quiet "refs/tags/$tag" >/dev/null; then
            if ! gh release view "$tag" >/dev/null 2>&1; then
              if [[ "$(git rev-list -n 1 "$tag")" != "$(git rev-parse HEAD)" ]]; then
                echo "::error::Unpublished tag $tag does not point to the current commit."
                exit 1
              fi

              echo "version=$current_version" >> "$GITHUB_OUTPUT"
              echo "tag=$tag" >> "$GITHUB_OUTPUT"
              echo "create_tag=false" >> "$GITHUB_OUTPUT"
              exit 0
            fi

            if [[ "$MAJOR_RELEASE" == "true" ]]; then
              next_version="$((10#$major + 1)).0.0"
            elif [[ "$FEATURE_RELEASE" == "true" ]]; then
              next_version="$major.$((10#$minor + 1)).0"
            else
              next_version="$major.$minor.$((10#$patch + 1))"
            fi

            jq --arg version "$next_version" '.version = $version' "$manifest" > "$manifest.tmp"
            mv "$manifest.tmp" "$manifest"
          else
            next_version="$current_version"
          fi

          if git rev-parse --verify --quiet \
            "refs/tags/modern-java-development-v$next_version" >/dev/null; then
            echo "::error::Release tag already exists for $next_version."
            exit 1
          fi

          echo "version=$next_version" >> "$GITHUB_OUTPUT"
          echo "tag=modern-java-development-v$next_version" >> "$GITHUB_OUTPUT"
          echo "create_tag=true" >> "$GITHUB_OUTPUT"

      - name: Validate plugin
        working-directory: agent-plugins/modern-java-development
        run: |
          python3 -m unittest \
            skills/modern-java/scripts/test_detect_java_version.py \
            skills/modern-java/scripts/test_reference_coverage.py
          jq --exit-status \
            --arg version "${{ steps.version.outputs.version }}" \
            '.version == $version' plugin.json >/dev/null

      - name: Package plugin
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          set -euo pipefail
          archive="modern-java-development-$VERSION.tar.gz"
          tar -czf "$archive" -C agent-plugins modern-java-development
          shasum -a 256 "$archive" > "$archive.sha256"
          echo "ARCHIVE=$archive" >> "$GITHUB_ENV"

      - name: Commit version
        env:
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          if git diff --quiet -- agent-plugins/modern-java-development/plugin.json; then
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add agent-plugins/modern-java-development/plugin.json
          git commit -m "Release modern Java development plugin v$VERSION"
          git push origin HEAD:main

      - name: Tag release
        if: steps.version.outputs.create_tag == 'true'
        env:
          TAG: ${{ steps.version.outputs.tag }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          git tag --annotate "$TAG" --message "Modern Java Development v$VERSION"
          git push origin "$TAG"

      - name: Create GitHub release
        env:
          GH_TOKEN: ${{ github.token }}
          TAG: ${{ steps.version.outputs.tag }}
          VERSION: ${{ steps.version.outputs.version }}
        run: |
          gh release create "$TAG" \
            "$ARCHIVE" \
            "$ARCHIVE.sha256" \
            --title "Modern Java Development v$VERSION" \
            --generate-notes \
            --verify-tag