action.yml

name: 'Release Version'
description: 'Create new GitHub release using Conventional Commits'
icon: 'git-merge'
color: 'yellow'
inputs:
  GITHUB_TOKEN:
    description: 'GitHub Actions token with write permissions, see docs: https://docs.github.com/en/actions/security-guides/automatic-token-authentication'
    required: false
  ACTION_TYPE:
    description: 'Which type of action to perform.'
    required: true
    type: choice
    options:
    - Release
    - Validate
  TAG_ONLY:
    description: 'True if a Git tag should be created but not a GitHub release'
    required: false
    type: boolean
    default: false
  CONTAINS_BREAKING_CHANGE:
    description: 'Whether the commit being validated contains a breaking change to the public facing API'
    required: false
    default: 'false'

outputs:
  release_version:
    description: "Release version in semantic format; e.g. 1.0.0"
    value: ${{ steps.release.outputs.version }}
runs:
  using: "composite"
  steps:
    - name: Download or Build Binary
      shell: bash
      run: |
        BIN_DIR="${{ github.action_path }}/bin"
        mkdir -p "$BIN_DIR"

        # Derive the ref from the action's checkout path (last path component)
        REF=$(basename "${{ github.action_path }}")
        if echo "$REF" | grep -qE '^[0-9a-f]{7,40}$'; then
          TAG=$(gh api "repos/$GITHUB_ACTION_REPOSITORY/tags" \
            --jq ".[] | select(.commit.sha | startswith(\"$REF\")) | .name" 2>/dev/null | head -1)
          [ -n "$TAG" ] && REF="$TAG"
        fi

        if gh release download "$REF" \
            --repo "$GITHUB_ACTION_REPOSITORY" \
            --pattern "Run" \
            --output "$BIN_DIR/Run"; then
          echo "Binary downloaded successfully for $REF"
          chmod +x "$BIN_DIR/Run"
        else
          echo "Binary not available for $REF, falling back to swift build"
          cd "${{ github.action_path }}" && swift build -c release
          cp "${{ github.action_path }}/.build/release/Run" "$BIN_DIR/Run"
        fi
      env:
        GH_TOKEN: ${{ inputs.GITHUB_TOKEN || github.token }}

    - name: Validate
      if: ${{ inputs.ACTION_TYPE == 'Validate' }}
      shell: bash
      run: |
        "${{ github.action_path }}/bin/Run" validate \
          --message "${{ github.event.pull_request.title }}" \
          --contains-breaking-change ${{ inputs.CONTAINS_BREAKING_CHANGE }}

    - name: Release
      id: release
      if: ${{ inputs.ACTION_TYPE == 'Release' }}
      shell: bash
      run: |
        version=$("${{ github.action_path }}/bin/Run" increment \
          --repository $GITHUB_REPOSITORY \
          --sha $GITHUB_SHA \
          --token ${{inputs.GITHUB_TOKEN}} \
          --tag-only ${{inputs.TAG_ONLY}} \
        )

        echo "version=$version" >> $GITHUB_OUTPUT