release.yaml

name: Release

# This workflow will draft a release for a plugin when tagged. The tag format
# is <plugin-directory>/v<version> where plugin-directory is the exact directory
# name under plugins/, e.g.:
#   - backstage-plugin-coder/v0.0.0
#   - auth-backend-module-coder-provider/v0.0.0
#   - backstage-plugin-devcontainers-backend/v0.0.0

on:
  push:
    tags:
      - '*/v*'

permissions:
  contents: write # For creating releases.

concurrency: ${{ github.workflow }}-${{ github.ref }}

jobs:
  split-tag:
    runs-on: ubuntu-latest
    outputs:
      plugin: ${{ steps.split.outputs.plugin }}
      version: ${{ steps.split.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - env:
          TAG: ${{ github.ref_name }}
        id: split
        run: |
          parts=(${TAG//\/v/ })
          PLUGIN_NAME="${parts[0]}"
          VERSION="${parts[1]}"

          if [[ ! -d "plugins/${PLUGIN_NAME}" ]]; then
            echo "Error: Plugin directory 'plugins/${PLUGIN_NAME}' not found"
            echo "Tag should match the exact directory name in plugins/"
            exit 1
          fi

          echo "plugin=${PLUGIN_NAME}" >> $GITHUB_OUTPUT
          echo "version=${VERSION}" >> $GITHUB_OUTPUT

          echo "Plugin: ${PLUGIN_NAME}"
          echo "Version: ${VERSION}"
  plugin:
    needs: split-tag
    runs-on: ubuntu-latest
    defaults:
      run:
        working-directory: plugins/${{ needs.split-tag.outputs.plugin }}
    name: ${{ needs.split-tag.outputs.plugin }} v${{ needs.split-tag.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version-file: .node-version
          cache: yarn
      - run: yarn install --frozen-lockfile
      - run: yarn lint
      - run: yarn test
      - run: yarn tsc
        working-directory: ${{ github.workspace }}
      - run: yarn build
      # Version it with the version in the tag and upload it to a draft release.
      - name: Set version
        run: |
          node -e "const fs=require('fs'); const pkg=JSON.parse(fs.readFileSync('package.json')); pkg.version='${{ needs.split-tag.outputs.version }}'; fs.writeFileSync('package.json', JSON.stringify(pkg,null,2)+'\n');"
          echo "Set version to ${{ needs.split-tag.outputs.version }}"
      - name: Pack plugin
        run: yarn pack --out '%s-%v.tgz'
      - uses: softprops/action-gh-release@v2
        with:
          draft: true
          files: plugins/${{ needs.split-tag.outputs.plugin }}/*.tgz