action.yml

name: 'Releaseo'
description: 'Creates release PRs with version bumps for VERSION file and YAML files'
author: 'Stacklok'

branding:
  icon: 'tag'
  color: 'blue'

inputs:
  releaseo_version:
    description: 'Version of releaseo to use (e.g., v1.0.0). Must match a GitHub release.'
    required: true
  bump_type:
    description: 'Version bump type (major, minor, patch)'
    required: true
  version_file:
    description: 'Path to VERSION file'
    required: false
    default: 'VERSION'
  helm_docs_args:
    description: 'Arguments to pass to helm-docs. If provided, helm-docs will run with these args (e.g., --chart-search-root=./charts --template-files=README.md.gotmpl)'
    required: false
    default: ''
  version_files:
    description: |
      YAML list of files with custom version paths to update.
      Each entry should have: file (path), path (YAML node path), and optionally prefix.
      Example:
        - file: deploy/charts/myapp/Chart.yaml
          path: version
        - file: deploy/charts/myapp/Chart.yaml
          path: appVersion
        - file: deploy/charts/myapp/values.yaml
          path: image.tag
          prefix: "v"
    required: false
    default: ''
  token:
    description: 'GitHub token for creating PR'
    required: true
  base_branch:
    description: 'Base branch for the PR'
    required: false
    default: 'main'

outputs:
  version:
    description: 'The new version number'
    value: ${{ steps.releaseo.outputs.version }}
  pr_number:
    description: 'The created PR number'
    value: ${{ steps.releaseo.outputs.pr_number }}
  pr_url:
    description: 'The created PR URL'
    value: ${{ steps.releaseo.outputs.pr_url }}

runs:
  using: 'composite'
  steps:
    - name: Validate version input
      shell: bash
      run: |
        VERSION="${{ inputs.releaseo_version }}"
        if [ -z "$VERSION" ]; then
          echo "::error::The 'releaseo_version' input is required. Please specify the releaseo version (e.g., v1.0.0)"
          exit 1
        fi
        if [[ ! "$VERSION" =~ ^v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
          echo "::error::Invalid version format '$VERSION'. Please use semantic versioning (e.g., v1.0.0)"
          exit 1
        fi

    - name: Download releaseo binary
      shell: bash
      run: |
        VERSION="${{ inputs.releaseo_version }}"

        # Determine OS and architecture
        OS=$(uname -s | tr '[:upper:]' '[:lower:]')
        ARCH=$(uname -m)
        case "$ARCH" in
          x86_64) ARCH="amd64" ;;
          aarch64|arm64) ARCH="arm64" ;;
          *) echo "::error::Unsupported architecture: $ARCH"; exit 1 ;;
        esac

        # Download the binary to runner temp directory (outside workspace)
        ASSET_NAME="releaseo_${VERSION#v}_${OS}_${ARCH}.tar.gz"
        ASSET_URL="https://github.com/stacklok/releaseo/releases/download/${VERSION}/${ASSET_NAME}"

        echo "Downloading releaseo ${VERSION} for ${OS}/${ARCH}..."

        if ! curl -sSL --fail -o "${{ runner.temp }}/releaseo.tar.gz" "$ASSET_URL"; then
          echo "::error::Failed to download releaseo ${VERSION}. Ensure the release exists: https://github.com/stacklok/releaseo/releases/tag/${VERSION}"
          exit 1
        fi

        # Extract only the binary (archive also contains LICENSE and README.md which we don't want)
        tar xzf "${{ runner.temp }}/releaseo.tar.gz" -C "${{ runner.temp }}" releaseo
        chmod +x "${{ runner.temp }}/releaseo"
        rm "${{ runner.temp }}/releaseo.tar.gz"

        echo "Successfully downloaded releaseo ${VERSION}"

    - name: Run releaseo
      id: releaseo
      shell: bash
      env:
        GITHUB_TOKEN: ${{ inputs.token }}
        VERSION_FILES_YAML: ${{ inputs.version_files }}
      run: |
        ARGS=(
          --bump-type="${{ inputs.bump_type }}"
          --version-file="${{ inputs.version_file }}"
          --base-branch="${{ inputs.base_branch }}"
        )

        if [ -n "${{ inputs.helm_docs_args }}" ]; then
          ARGS+=(--helm-docs-args="${{ inputs.helm_docs_args }}")
        fi

        if [ -n "$VERSION_FILES_YAML" ]; then
          VERSION_FILES_JSON=$(echo "$VERSION_FILES_YAML" | yq -o=json -I=0 '.')
          ARGS+=(--version-files="$VERSION_FILES_JSON")
        fi

        "${{ runner.temp }}/releaseo" "${ARGS[@]}"