create-stable-pr.yml

name: Create Pull Request from Beta to Stable

on:
  push:
    branches: [ beta ]
  workflow_dispatch:

permissions: {}

jobs:
  create-pull-request:
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Checkout Beta Branch
        uses: actions/checkout@v4
        with:
          clean: true
          submodules: true
          fetch-depth: 100
          fetch-tags: true
          show-progress: true
          lfs: true
          ref: beta
      - name: Checkout Stable Branch
        run: |
          git fetch --all
          git checkout stable
          git branch
      - name: Get Merge Commits from Beta not in Stable
        id: get_commits
        run: |
          function repairNotes {
              sed 's/\r//g' | awk '{
                  if (NR == 1) {
                      printf("%s", $0)
                  } else {
                      if ($0 ~ /^[\t ]*(-|IOS_ONLY[\t ]*-|MACOS_ONLY[\t ]*-).*$/) {
                          printf("\n%s", $0)
                      } else {
                          printf(" %s", $0)
                      }
                  }
              }
              END {
                  printf("\n")
              }'
          }
          echo "Extracting merge commit texts..."
          version="$(git log beta -n 1 --merges --pretty=format:%s | sed -E 's/^[\t\n ]*([^\n\t ]+)[\t\n ]+\(([^\n\t ]+)\)[\t\n ]*$/\1/g')"
          echo "version=$version" | tee /dev/stderr >> "$GITHUB_OUTPUT"
          echo "buildVersion=$(echo "$version" | grep -oE '^[0-9]+(\.[0-9]+){0,2}')" | tee /dev/stderr >> "$GITHUB_OUTPUT"
          echo "description<<__EOF__" | tee /dev/stderr >> "$GITHUB_OUTPUT"
          echo "$(git log stable..beta --merges --pretty=format:%b)" | repairNotes | tee /dev/stderr >> "$GITHUB_OUTPUT"
          echo "__EOF__" | tee /dev/stderr >> "$GITHUB_OUTPUT"
      - name: Find Existing Pull Request
        id: find_pr
        uses: actions/github-script@v7
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const [owner, repo] = process.env.GITHUB_REPOSITORY.split("/");
            const { data: pullRequests } = await github.rest.pulls.list({
              owner,
              repo,
              state: 'open',
              head: 'beta',
              base: 'stable'
            });
            const existingPR = pullRequests.find(pr => pr.labels.some(label => label.name === 'automated-pr'));
            console.log(`Existing PR: `, existingPR);
            if(existingPR)
              core.setOutput('prNumber', existingPR.number);
            else
              core.setOutput('prNumber', null);
      - name: Create or Update Pull Request
        id: create_or_update_pr
        uses: actions/github-script@v7
        env:
          PR_NUMBER: ${{ steps.find_pr.outputs.prNumber }}
          PR_TITLE: ${{ steps.get_commits.outputs.buildVersion }}
          PR_BODY: ${{ steps.get_commits.outputs.description }}
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const [owner, repo] = process.env.GITHUB_REPOSITORY.split("/");
            const prNumber = process.env.PR_NUMBER;
            let pullRequest;
            if(prNumber)
            {
              console.log(`Updating old PR #${prNumber}...`);
              pullRequest = await github.rest.pulls.update({
                owner,
                repo,
                pull_number: prNumber,
                title: process.env.PR_TITLE,
                body: process.env.PR_BODY,
              });
              console.log(`Updated pull request #${prNumber}`);
            }
            else
            {
              console.log(`Creating new PR...`);
              pullRequest = await github.rest.pulls.create({
                owner,
                repo,
                head: 'beta',
                base: 'stable',
                draft: false,
                title: process.env.PR_TITLE,
                body: process.env.PR_BODY,
              });
              console.log(`Created pull request #${pullRequest.data.number}`);
              //update pr after creation to trigger our pr-semver-title workflow
              pullRequest = await github.rest.pulls.update({
                owner,
                repo,
                pull_number: pullRequest.data.number,
                title: process.env.PR_TITLE,
                body: process.env.PR_BODY,
              });
              console.log(`Updated pull request #${pullRequest.data.number}`);
            }
            core.setOutput('prNumber', pullRequest.data.number);
      - name: Add Label to Pull Request
        uses: actions/github-script@v7
        env:
          PR_NUMBER: ${{ steps.create_or_update_pr.outputs.prNumber }}
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          script: |
            const [owner, repo] = process.env.GITHUB_REPOSITORY.split("/");
            const pullNumber = process.env.PR_NUMBER;
            await github.rest.issues.addLabels({
              owner,
              repo,
              issue_number: pullNumber,
              labels: ['automated-pr']
            });
            console.log(`Added label to pull request #${pullNumber}`);