create-pr.yml

name: Create PR with external dependency

on:
  repository_dispatch:
    types: [create_pr]

jobs:
  build:
    name: Create PR with external dependency
    runs-on: ubuntu-latest
    steps:
      - name: Verify Event and set env
        env:
          BUILD_URL: ${{ github.event.client_payload.build_url }}
          PR_BRANCH: ${{ github.event.client_payload.branch }}
          PACKAGE: ${{ github.event.client_payload.dependency_package }}
        run: |
          echo "PR_BRANCH=$PR_BRANCH" >> $GITHUB_ENV
          echo "BUILD_URL=$BUILD_URL" >> $GITHUB_ENV
          echo "PACKAGE=$PACKAGE" >> $GITHUB_ENV

          PULL_REQUEST_GIT_USER='${{ vars.PULL_REQUEST_GIT_USER }}'
          echo "GIT_USER_NAME=$(echo "$PULL_REQUEST_GIT_USER" | jq -r .name)" >> $GITHUB_ENV
          echo "GIT_USER_EMAIL=$(echo "$PULL_REQUEST_GIT_USER" | jq -r .email)" >> $GITHUB_ENV

          BUILD_URL_IS_ACCEPTED=$(echo '${{ vars.ACCEPTED_BUILD_URL_PREFIXES }}' | jq --arg url "${{ env.BUILD_URL }}" 'any(.[]; . as $prefix | $url | contains($prefix))')
          echo "BUILD_URL_IS_ACCEPTED=$BUILD_URL_IS_ACCEPTED" >> $GITHUB_ENV

        if: ${{ github.event.action == 'create_pr' && github.event.client_payload.branch && github.event.client_payload.build_url && github.event.client_payload.dependency_package }}

      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
        if: ${{ env.PR_BRANCH && env.BUILD_URL }}

      - name: Skip if branch exists already
        run: |
          set -e
          git fetch origin ${{ env.PR_BRANCH }} || echo "Branch ${{ env.PR_BRANCH }} does not exist yet."
        if: ${{ env.PR_BRANCH && env.BUILD_URL }}

      - name: Insert dependency
        uses: Wandalen/wretry.action@master
        id: manipulate_composer
        with:
          command: |
            composer config repositories.${{ env.PACKAGE }} '{"type":"package","package":{"name":"${{ env.PACKAGE }}","version":"dev-master","type":"drupal-library","dist":{"url":"${{ env.BUILD_URL }}","type":"zip"},"require":{"composer\/installers":"^1.2.0"}}}'

            composer remove ${{ env.PACKAGE }} \
            && composer require ${{ env.PACKAGE }}
          attempt_limit: 200
        if: ${{ env.BUILD_URL && env.PACKAGE && env.BUILD_URL_IS_ACCEPTED == 'true' }}

      - name: Create branch and PR
        id: create_pr
        run: |
          set -e
          git config --global user.name ${{ env.GIT_USER_NAME }}
          git config --global user.email ${{ env.GIT_USER_EMAIL }}

          git checkout -b ${{ env.PR_BRANCH }}
          git push --set-upstream origin ${{ env.PR_BRANCH }}

          git add composer.json composer.lock
          git commit -m "Insert new reference to dependency ${{ env.PACKAGE }}: ${{ env.BUILD_URL }}"
          git push

          gh pr create \
          --base develop \
          --head ${{ env.PR_BRANCH }} \
          --title "${{ format('PR for {0}:{1}', env.PACKAGE, env.PR_BRANCH) }}" \
          --body "${{ format('This is an automated PR for {0}:{1}', env.PACKAGE, env.PR_BRANCH) }}"
        if: ${{ env.GIT_USER_NAME && env.GIT_USER_EMAIL && env.PACKAGE && env.PR_BRANCH && env.BUILD_URL && steps.manipulate_composer.outcome == 'success' }}
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Adding summary
        run: |
          URL=$(gh pr view --json=url ${{ env.PR_BRANCH }} | jq .url)
          echo "Created automated PR at: ${URL}" >> $GITHUB_STEP_SUMMARY
        if: ${{ steps.create_pr.outcome == 'success' }}
        env:
          GH_TOKEN: ${{ github.token }}