build-plugin-zip.yml

name: Build Gutenberg Plugin Zip

on:
  pull_request:
    paths-ignore:
    - '**.md'
  push:
    branches: [trunk]
    tags:
      - 'v*'
    paths-ignore:
    - '**.md'

jobs:
  build:
    name: Build Release Artifact
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@5a4ac9002d0be2fb38bd78e4b4dbde5606d7042f # v2.3.4

      - name: Cache node modules
        uses: actions/cache@26968a09c0ea4f3e233fdddbafd1166051a095f6 # v2.1.4
        env:
          cache-name: cache-node-modules
        with:
          # npm cache files are stored in `~/.npm` on Linux/macOS
          path: ~/.npm
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache-name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: Use Node.js 14.x
        uses: actions/setup-node@46071b5c7a2e0c34e49c3cb8a0e792e86e18d5ea # v2.1.5
        with:
          node-version: 14.x

      - name: Build Gutenberg plugin ZIP file
        run: ./bin/build-plugin-zip.sh
        env:
          NO_CHECKS: 'true'

      - name: Upload artifact
        uses: actions/upload-artifact@e448a9b857ee2131e752b06002bf0e093c65e571 # v2.2.2
        with:
          name: gutenberg-plugin
          path: ./gutenberg.zip

  create-release:
    name: Create Release Draft and Attach Asset
    needs: build
    runs-on: ubuntu-latest
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
      - name: Set Release Version
        id: get_release_version
        run: echo ::set-output name=version::$(echo $GITHUB_REF | cut -d / -f 3 | sed s/^v// | sed 's/-rc./ RC/' )

      - name: Download Plugin Zip Artifact
        uses: actions/download-artifact@4a7a711286f30c025902c28b541c10e147a9b843 # v2.0.8
        with:
          name: gutenberg-plugin

      - name: Extract Changelog for Release
        run: |
          unzip gutenberg.zip changelog.txt
          CHANGELOG_REGEX="/=\s[0-9]+\.[0-9]+\.[0-9]+(-rc\.[0-9]+)?\s=/"
          awk -i inplace "$CHANGELOG_REGEX"'{p++;next} p==2{exit} p>=1' changelog.txt

      - name: Create Release Draft
        id: create_release
        uses: actions/create-release@0cb9c9b65d5d1901c1f53e5e66eaf4afd303e70e # v1.1.4
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref }}
          release_name: ${{ steps.get_release_version.outputs.version }}
          draft: true
          prerelease: ${{ contains(github.ref, 'rc') }}
          body_path: changelog.txt

      - name: Upload Release Asset
        id: upload-release-asset
        uses: actions/upload-release-asset@e8f9f06c4b078e705bd2ea027f0926603fc9b4d5 # v1.0.2
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./gutenberg.zip
          asset_name: gutenberg.zip
          asset_content_type: application/zip