pr-on-branch-push.yml

name: Pull Request on Push to branch
on: 
  push:
    branches-ignore:
      - main
      - dev
  pull_request:
    types: [opened]

jobs:
  create-pull-request:
    runs-on: ubuntu-latest
    steps:
      - name: Check out repository code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          ref: dev

      - name: Create PR
        run: |
          echo "Get the list of PR for that branch that are open"
          gh pr list -H ${{ github.ref_name}} -s "open"
          PR_COUNT=$(gh pr list -H ${{ github.ref_name}} -s "open" | wc -l)
          echo $PR_COUNT
          echo "Checking  if there are any PR already"
          if [[ $PR_COUNT -gt 0 ]]; then
            echo "Indeed there is at least one PR for this branch"
          else
            echo "There is no PR for this branch so we create one"
              gh pr create -B $BASE_BRANCH -H $BRANCH_TO_MERGE --title "$PR_TITLE" --body "$PR_BODY"
          fi
        env:
            GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
            PR_TITLE: "Autocreated PR: ${{ github.ref_name}}"
            PR_BODY: "Created by Github action"
            BASE_BRANCH: "dev"
            BRANCH_TO_MERGE: ${{ github.ref}}

      - name: Get PR number
        id: get_pr_number
        run: |
          PR_NUMBER=$(gh pr view ${{ github.ref_name }} --json number --jq '.number')
          echo "PR Number: $PR_NUMBER"
          echo "::set-output name=pr_number::$PR_NUMBER"
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Open PR
        run: git pr checkout $PR_NUMBER
        env:
          PR_NUMBER: ${{ steps.get_pr_number.outputs.pr_number}}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Link Issue label to PR
        uses: michalvankodev/copy-issue-labels@v1.3.0
        with:
          repo-token: ${{ secrets.GITHUB_TOKEN }}
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}