release-asset.yml

name: Release

permissions:
  contents: write

on:
  push:
    tags:
      - 'v*'

jobs:
  # Validate that the tag matches VERSION file
  validate:
    name: Validate release
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v5
      - name: Validate version consistency
        run: |
          VERSION="$(cat ./VERSION | tr -d '[:space:]')"
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          if [[ "$VERSION" != "$TAG_VERSION" ]]; then
              echo "❌ VERSION file ($VERSION) does not match tag ($TAG_VERSION)"
              exit 1
          fi
          echo "✅ Version validation passed: $VERSION"

  # Build the release artifacts
  build:
    name: Build release artifacts
    runs-on: ubuntu-22.04
    needs: validate
    outputs:
      version: ${{ steps.version.outputs.version }}
      is_prerelease: ${{ steps.version.outputs.is_prerelease }}
    steps:
      - uses: actions/checkout@v5
      
      - name: Extract version info
        id: version
        run: |
          VERSION="$(cat ./VERSION | tr -d '[:space:]')"
          echo "version=$VERSION" >> $GITHUB_OUTPUT
          if [[ "$VERSION" == *"-rc."* ]]; then
            echo "is_prerelease=true" >> $GITHUB_OUTPUT
          else
            echo "is_prerelease=false" >> $GITHUB_OUTPUT
          fi

      - name: Set up BEAM
        uses: erlef/setup-beam@v1
        with:
          elixir-version: 1.19.x
          otp-version: 28.x

      - name: Cache dependencies
        uses: actions/cache@v4
        with:
          path: |
            _build
            deps
          key: release-${{ hashFiles('**/mix.lock') }}
          restore-keys: |
            release-

      - name: Install dependencies
        run: mix deps.get

      - name: Build release
        run: |
          mix elixir_ls.release2 -o ./release
          zip -jr elixir-ls-v${{ steps.version.outputs.version }}.zip ./release

      - name: Upload build artifact
        uses: actions/upload-artifact@v5
        with:
          name: elixir-ls-${{ steps.version.outputs.version }}
          path: elixir-ls-v${{ steps.version.outputs.version }}.zip
          retention-days: 30

  # Create GitHub release
  release:
    name: Create GitHub release
    runs-on: ubuntu-22.04
    needs: build
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0  # Needed for changelog generation

      - name: Download build artifact
        uses: actions/download-artifact@v7
        with:
          name: elixir-ls-${{ needs.build.outputs.version }}

      - name: Extract changelog for this version
        id: changelog
        run: |
          VERSION="${{ needs.build.outputs.version }}"
          
          # Extract changelog section for this version
          if grep -q "### v$VERSION:" CHANGELOG.md; then
            # Get the section for this version
            CHANGELOG_SECTION=$(awk "/### v$VERSION:/,/### v[0-9]/{if(/### v[0-9]/ && !/### v$VERSION:/) exit; print}" CHANGELOG.md | head -n -1)
            
            # Remove the version header line and clean up
            CHANGELOG_CONTENT=$(echo "$CHANGELOG_SECTION" | tail -n +2 | sed '/^$/N;/^\n$/d')
            
            # Save to file and output
            echo "$CHANGELOG_CONTENT" > release_notes.md
            echo "changelog_found=true" >> $GITHUB_OUTPUT
          else
            echo "No changelog found for version $VERSION" > release_notes.md
            echo "changelog_found=false" >> $GITHUB_OUTPUT
          fi

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          files: elixir-ls-v${{ needs.build.outputs.version }}.zip
          body_path: release_notes.md
          draft: true
          prerelease: ${{ needs.build.outputs.is_prerelease == 'true' }}
          name: "ElixirLS ${{ needs.build.outputs.version }}"
          tag_name: "v${{ needs.build.outputs.version }}"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # Run final validation tests on the release
  test_release:
    name: Test release artifact
    runs-on: ubuntu-22.04
    needs: build
    steps:
      - name: Download build artifact
        uses: actions/download-artifact@v7
        with:
          name: elixir-ls-${{ needs.build.outputs.version }}

      - name: Test release artifact
        run: |
          # Basic smoke test - extract and verify structure
          unzip -q elixir-ls-v${{ needs.build.outputs.version }}.zip
          
          # Check that essential files exist
          test -f language_server.sh || exit 1
          test -f debug_adapter.sh || exit 1
          
          # Check that the scripts are executable
          test -x language_server.sh || exit 1
          test -x debug_adapter.sh || exit 1
          
          echo "✅ Release artifact validation passed"