create_pr_main_to_develop.yml

name: create_pr_main_to_develop
on:
  push:
    branches:
      - main

jobs:
  create_pr:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout main branch
        uses: actions/checkout@v2
        with:
          ref: main

      - name: Set current datetime as env variable
        env:
          TZ: 'Asia/Tokyo'
        run: echo "CURRENT_DATETIME=$(date +'%Y%m%d%H%M%S')" >> $GITHUB_ENV

      - name: Create Branch
        run: git checkout -b merge/gha_${{ env.CURRENT_DATETIME }}

      - name: Push Branch
        run: git push origin merge/gha_${{ env.CURRENT_DATETIME }}

      - name: Create Pull Request
        env:
          REVIEWERS: 'tokku5552'
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          BRANCH_NAME: merge/gha_${{ env.CURRENT_DATETIME }}
        run: |
          hub pull-request -m "[bot(create_pr_main_to_develop)]: created at ${{ env.CURRENT_DATETIME }}" -b develop -h $BRANCH_NAME  -r "$REVIEWERS"