api/.github/workflows/auto-pr.yml at master · fieldtrack-tech/api · GitHub

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name: Auto PR (beta → master)
# Creates or updates the release PR from beta to master.
# Enables auto-merge so GitHub merges the PR when all checks pass.

on:
  push:
    branches: [beta]

permissions:
  contents: read
  pull-requests: write

concurrency:
  group: auto-pr-beta
  cancel-in-progress: true

jobs:
  auto-pr:
    runs-on: ubuntu-latest
    timeout-minutes: 5
    # Skip [skip-ci] commits (e.g. sync-beta back-merges) to prevent loops
    if: "!contains(github.event.head_commit.message, '[skip-ci]')"

    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0

      - name: Validate PAT exists
        run: |
          if [ -z "${{ secrets.FIELDTRACK_PAT }}" ]; then
            echo "::error::FIELDTRACK_PAT secret is not set"
            exit 1
          fi

      - name: Check for existing PR
        id: pr
        env:
          GH_TOKEN: ${{ secrets.FIELDTRACK_PAT }}
        run: |
          PR_NUMBER=$(gh pr list \
            --base master \
            --head beta \
            --state open \
            --json number \
            --jq '.[0].number // ""')
          echo "pr_number=$PR_NUMBER" >> $GITHUB_OUTPUT

      - name: Generate commit summary
        id: summary
        run: |
          git fetch origin master
          COMMITS=$(git log origin/master..HEAD \
            --no-merges \
            --pretty=format:"- %s" \
            | awk '!seen[$0]++' \
            | head -20)

          if [ -z "$COMMITS" ]; then
            echo "empty=true" >> $GITHUB_OUTPUT
            exit 0
          fi

          echo "empty=false" >> $GITHUB_OUTPUT
          printf "%s\n" "$COMMITS" > commits.txt

      - name: Create PR
        if: steps.pr.outputs.pr_number == '' && steps.summary.outputs.empty != 'true'
        env:
          GH_TOKEN: ${{ secrets.FIELDTRACK_PAT }}
        run: |
          {
            echo "## 🚀 Automated Release PR"
            echo ""
            echo "This PR contains all changes from beta to master."
            echo ""
            echo "---"
            echo ""
            echo "## 📦 Latest Changes"
            echo ""
            echo "<!-- AUTO-GENERATED:START -->"
            cat commits.txt
            echo "<!-- AUTO-GENERATED:END -->"
            echo ""
            echo "---"
            echo ""
            echo "## 🧠 Notes"
            echo "- Auto-managed PR"
            echo "- Do not edit manually"
          } > body.txt

          gh pr create \
            --base master \
            --head beta \
            --title "🚀 Release: beta → master" \
            --body-file body.txt

          echo "✓ PR created"

      - name: Update PR body
        if: steps.pr.outputs.pr_number != '' && steps.summary.outputs.empty != 'true'
        env:
          GH_TOKEN: ${{ secrets.FIELDTRACK_PAT }}
        run: |
          PR="${{ steps.pr.outputs.pr_number }}"
          gh pr view "$PR" --json body -q .body > old_body.txt

          awk '/<!-- AUTO-GENERATED:START -->/{exit} {print}' old_body.txt > before.txt
          awk 'f;/<!-- AUTO-GENERATED:END -->/{f=1}' old_body.txt | tail -n +2 > after.txt

          echo "<!-- AUTO-GENERATED:START -->" > block.txt
          cat commits.txt >> block.txt
          echo "<!-- AUTO-GENERATED:END -->" >> block.txt

          cat before.txt block.txt after.txt > final_body.txt

          if ! diff -q old_body.txt final_body.txt > /dev/null 2>&1; then
            gh pr edit "$PR" --body-file final_body.txt
            echo "✓ PR #$PR body updated"
          else
            echo "No changes in PR body"
          fi

      - name: Enable auto-merge
        env:
          GH_TOKEN: ${{ secrets.FIELDTRACK_PAT }}
        run: |
          PR=$(gh pr list \
            --base master \
            --head beta \
            --state open \
            --json number \
            --jq '.[0].number // ""')

          if [ -z "$PR" ]; then
            echo "⚠️  No PR found, auto-merge not enabled"
            exit 0
          fi

          echo "Enabling auto-merge for PR #$PR"

          gh pr merge "$PR" \
            --auto \
            --squash \
            --delete-branch=false || true

          echo "✓ Auto-merge enabled"