crowdin-pr-merger.yml

name: Auto Merge Crowdin PRs Action

on:
  pull_request:
    types: [opened, synchronize, reopened]
    branches: [main]

jobs:
  auto-merge-bot-pr:
    runs-on: ubuntu-latest
    
    if: |
      github.event.pull_request.user.login == 'automated-commits-ap' &&
      github.event.pull_request.head.ref == 'l10n_main'
    
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: ${{ github.event.pull_request.head.sha }}

      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: ~/.bun/install/cache
          key: bun-${{ hashFiles('bun.lock', 'package.json') }}
          restore-keys: bun-

      - name: Setup nodejs
        uses: actions/setup-node@v3
        with:
          node-version: 20

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: latest

      - name: Install dependencies
        run: bun install
      
      - name: Add label to PR
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.addLabels({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              labels: ['auto-merge', 'translations','skip-changelog']
            })
      
      - name: Fetch main branch
        run: |
          git fetch origin main:main
          # Fetch the PR branch to make it available locally
          git fetch origin ${{ github.event.pull_request.head.ref }}:${{ github.event.pull_request.head.ref }}
          # Reset branch to match remote repository
          echo "Resetting branch to match remote repository..."
          git reset --hard origin/${{ github.event.pull_request.head.ref }}
          git clean -fd
      
      - name: Run Node.js script
        run: |
          echo "Running Node.js script..."
          npm run bump-translated-pieces
      
      - name: Check for changes and commit
        id: check-changes
        run: |
          # Check if there are any changes
          if [[ -n "$(git status --porcelain)" ]]; then
            echo "Changes detected, committing..."
            
            # Configure git
            git config --local user.email "abdulyki+automatedcommits@activepieces.com"
            git config --local user.name "automated-commits-ap"
            
            # Add all changes
            git add .
            
            # Commit with a descriptive message
            git commit -m "chore: auto bump translated pieces"
            
            # Push changes back to the PR branch
            git push origin HEAD:${{ github.event.pull_request.head.ref }}
            
            echo "Changes committed and pushed to PR branch"
            echo "has_changes=true" >> $GITHUB_OUTPUT
          else
            echo "No changes detected, skipping commit"
            echo "has_changes=false" >> $GITHUB_OUTPUT
          fi
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Update PR branch from base
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.CROWDIN_PRS }}
          script: |
            try {
              await github.rest.pulls.updateBranch({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.issue.number
              });
              console.log('Triggered branch update from base');
            } catch (e) {
              if (e.status === 422) {
                console.log('Branch already up to date or cannot be updated automatically');
              } else {
                throw e;
              }
            }

      - name: Wait until PR is mergeable
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.CROWDIN_PRS }}
          script: |
            // we need to wait because the updating of the branch happens asynchronously not on api call, so we will try for 2 minutes at max to wait until the PR becomes mergable
            const wait = (ms) => new Promise((r) => setTimeout(r, ms));
            for (let i = 0; i < 24; i++) {
              const { data: pr } = await github.rest.pulls.get({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: context.issue.number
              });
              console.log(`mergeable=${pr.mergeable}, mergeable_state=${pr.mergeable_state}`);

              if (pr.mergeable_state === 'dirty') {
                core.setFailed('PR has merge conflicts; skipping auto-merge');
                return;
              }

              // proceed once it's not behind (up-to-date with base)
              if (pr.mergeable_state && pr.mergeable_state !== 'behind' && pr.mergeable_state !== 'unknown') {
                return;
              }
              await wait(5000);
            }
            core.setFailed('PR did not become up-to-date in time');

      - name: Merge PR
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.CROWDIN_PRS }}
          script: |
            await github.rest.pulls.merge({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number,
              merge_method: 'squash'
            });

      - name: Delete branch after merge
        uses: actions/github-script@v7
        if: success()
        with:
          github-token: ${{ secrets.CROWDIN_PRS }}
          script: |
            // Get the PR info to get the branch name
            const pr = await github.rest.pulls.get({
              owner: context.repo.owner,
              repo: context.repo.repo,
              pull_number: context.issue.number
            });
            
            // Delete the branch
            await github.rest.git.deleteRef({
              owner: context.repo.owner,
              repo: context.repo.repo,
              ref: `heads/${pr.data.head.ref}`
            });
            
            console.log(`Deleted branch: ${pr.data.head.ref}`);

  notify-failure:
    needs: [auto-merge-bot-pr]
    if: ${{ always() && needs.auto-merge-bot-pr.result == 'failure' }}
    runs-on: ubuntu-latest
    steps:
      - name: Notify Discord on failure
        run: |
          curl -H "Content-Type: application/json" \
            -X POST \
            -d "{\"content\": \"🚨 **Crowdin PR Merger Workflow Failed** 🚨\\n\\n**Repository:** ${{ github.repository }}\\n**Branch:** ${{ github.ref_name }}\\n**Commit:** ${{ github.sha }}\\n**PR #:** ${{ github.event.pull_request.number }}\\n**Action URL:** ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}\\n\\nThe workflow has failed. Please check the logs for more details.\"}" \
            ${{ secrets.DISCORD_ON_CALL_WEBHOOK }}