Create Pull Request from Tag Action

pull-request-from-tag-action.yml

name: Create Pull Request from Tag

on:
  workflow_dispatch:
    inputs:
      tag_name:
        description: 'Tag Name'
        required: true
      target_branch:
        description: 'Target Branch'
        required: true

jobs:
  create_pr:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v2
        with:
          fetch-depth: 0

      - name: Install GitHub CLI
        run: |
          sudo apt-get install -y gh

      - name: Authenticate GitHub CLI
        run: |
          echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token

      - name: Create new branch from tag and push
        run: |
          TAG_NAME="${{ github.event.inputs.tag_name }}"
          TARGET_BRANCH="${{ github.event.inputs.target_branch }}"
          NEW_BRANCH_NAME="pr-for-tag-$TAG_NAME"

          # Create a new branch from the tag
          git checkout -b $NEW_BRANCH_NAME $TAG_NAME

          # Push the new branch to the remote repository
          git push origin $NEW_BRANCH_NAME

      - name: Create pull request
        run: |
          NEW_BRANCH_NAME="pr-for-tag-${{ github.event.inputs.tag_name }}"
          TARGET_BRANCH="${{ github.event.inputs.target_branch }}"
          PR_TITLE="Pull request for tag ${{ github.event.inputs.tag_name }}"

          # Create a pull request
          gh pr create --title "$PR_TITLE" --body "Creating a pull request from tag ${{ github.event.inputs.tag_name }}" --base $TARGET_BRANCH --head $NEW_BRANCH_NAME --repo ${{ github.repository }}