promotion-pull-request.yml

name: "Create promotion pull request"

on:
  workflow_dispatch:
  push:
    branches:
      - test
      - dev
      - "feature/**"
      - "bugfix/**"

jobs:
  promote-test-to-main:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/test'
    steps:
      - uses: actions/checkout@v4
        with:
          ref: main

      - name: Check if PR exists
        id: check
        env:
          GITHUB_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}
        run: |
          ref=$(echo $GITHUB_REF | sed 's/refs\/heads\///g')
          echo "ref=$ref"
          prs=$(gh pr list \
              --repo "$GITHUB_REPOSITORY" \
              --json baseRefName,headRefName \
              --jq "map(select(.baseRefName == \"main\" and .headRefName == \"$ref\")) | length")

          if ((prs > 0)); then
              echo "setting skip true"
              echo "skip=true" >> "$GITHUB_OUTPUT"
          else
              echo "setting skip false"
              echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

          # If we get "fatal: Invalid revision range id1..id2" we pipe the error to stdout and still get higher than 0,
          #  which means we fall back to creating a PR if there is an issue by design
          diffs=$(git diff --name-status ${{ github.event.before }}..${{ github.event.after }} 2>&1 | wc -l)
          echo "diffs=$diffs"

          if ((diffs > 0)); then
            echo "setting has_diff true"
            echo "has_diff=true" >> "$GITHUB_OUTPUT"
          else
            echo "setting has_diff false"
            echo "has_diff=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Reset promotion branch
        if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
        run: |
          git fetch origin test:test
          git reset --hard test

      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@v7
        if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
        with:
          token: ${{ secrets.WORKFLOW_TOKEN }}
          branch: test
          title: Merge test changes to main
          body: Automatically created pull-request in order to merge changes that were recently pushed to the test branch, back to main
          # assignees: hwinther
          draft: true

      # Not possible if draft: true above
      # - name: Set auto merge on pull request
      #   if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
      #   env:
      #     GH_TOKEN: ${{ github.token }}
      #     PR_URL: ${{ steps.create-pr.outputs.pull-request-url }}
      #   run: gh pr merge --merge --auto $PR_URL

  promote-dev-to-test:
    runs-on: ubuntu-latest
    if: github.ref == 'refs/heads/dev'
    steps:
      - uses: actions/checkout@v4
        with:
          ref: test

      - name: Check if PR exists
        id: check
        env:
          GITHUB_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}
        run: |
          ref=$(echo $GITHUB_REF | sed 's/refs\/heads\///g')
          echo "ref=$ref"
          prs=$(gh pr list \
              --repo "$GITHUB_REPOSITORY" \
              --json baseRefName,headRefName \
              --jq "map(select(.baseRefName == \"test\" and .headRefName == \"$ref\")) | length")
          if ((prs > 0)); then
              echo "setting skip true"
              echo "skip=true" >> "$GITHUB_OUTPUT"
          else
              echo "setting skip false"
              echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

          # If we get "fatal: Invalid revision range id1..id2" we pipe the error to stdout and still get higher than 0,
          #  which means we fall back to creating a PR if there is an issue by design
          diffs=$(git diff --name-status ${{ github.event.before }}..${{ github.event.after }} 2>&1 | wc -l)
          echo "diffs=$diffs"

          if ((diffs > 0)); then
            echo "setting has_diff true"
            echo "has_diff=true" >> "$GITHUB_OUTPUT"
          else
            echo "setting has_diff false"
            echo "has_diff=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Reset promotion branch
        if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
        run: |
          git fetch origin dev:dev
          git reset --hard dev

      - name: Create Pull Request
        id: create-pr
        uses: peter-evans/create-pull-request@v7
        if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
        with:
          token: ${{ secrets.WORKFLOW_TOKEN }}
          branch: dev
          title: Merge dev changes to test
          body: Automatically created pull-request in order to merge changes that were recently pushed to the dev branch, back to test
          # assignees: hwinther
          draft: true

      # Not possible if draft: true above
      # - name: Set auto merge on pull request
      #   if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
      #   env:
      #     GH_TOKEN: ${{ github.token }}
      #     PR_URL: ${{ steps.create-pr.outputs.pull-request-url }}
      #   run: gh pr merge --merge --auto $PR_URL

  # promote-feature-branch-to-dev:
  #   runs-on: ubuntu-latest
  #   if: ${{ contains(github.ref, 'refs/heads/feature/') || contains(github.ref, 'refs/heads/bugfix/') }}
  #   steps:
  #     - uses: actions/checkout@v4
  #       with:
  #         ref: dev

  #     - name: Check if PR exists
  #       id: check
  #       env:
  #         GITHUB_TOKEN: ${{ secrets.WORKFLOW_TOKEN }}
  #       run: |
  #         ref=$(echo $GITHUB_REF | sed 's/refs\/heads\///g')
  #         echo "ref=$ref"
  #         prs=$(gh pr list \
  #             --repo "$GITHUB_REPOSITORY" \
  #             --json baseRefName,headRefName \
  #             --jq "map(select(.baseRefName == \"dev\" and .headRefName == \"$ref\")) | length")
  #         if ((prs > 0)); then
  #             echo "setting skip true"
  #             echo "skip=true" >> "$GITHUB_OUTPUT"
  #         else
  #             echo "setting skip false"
  #             echo "skip=false" >> "$GITHUB_OUTPUT"
  #         fi

  #         # If we get "fatal: Invalid revision range id1..id2" we pipe the error to stdout and still get higher than 0,
  #         #  which means we fall back to creating a PR if there is an issue by design
  #         diffs=$(git diff --name-status ${{ github.event.before }}..${{ github.event.after }} 2>&1 | wc -l)
  #         echo "diffs=$diffs"

  #         if ((diffs > 0)); then
  #           echo "setting has_diff true"
  #           echo "has_diff=true" >> "$GITHUB_OUTPUT"
  #         else
  #           echo "setting has_diff false"
  #           echo "has_diff=false" >> "$GITHUB_OUTPUT"
  #         fi

  #     - name: Reset promotion branch
  #       if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
  #       run: |
  #         git fetch origin ${{ github.ref }}:${{ github.ref }}
  #         git reset --hard ${{ github.ref }}

  #     - name: Create Pull Request
  #       if: ${{ steps.check.outputs.skip == 'false' && steps.check.outputs.has_diff == 'true' }}
  #       env:
  #         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
  #         REF: ${{ github.ref }}
  #         TITLE: ${{ github.event.head_commit.message }}
  #       run: |
  #         PR_URL=$(gh pr create --base dev --head $REF --title '${TITLE}' --body-file .github/PULL_REQUEST_TEMPLATE.md)
  #         gh pr merge --squash --auto $PR_URL