promotion.yml

# Promotion is triggered weekly on Saturdays at 14:00 UTC.

name: Promotion Workflow

permissions:
  contents: write

on:
  schedule:
    - cron: '0 14 * * 6'
  workflow_dispatch:

jobs:
  Promotion:
    runs-on: self-hosted
    if: github.actor == 'sohaibnd'
    env:  
      staging_branch: amd-staging
      mainline_branch: amd-mainline
      
    steps:
      - name: Checkout repo
        uses: actions/checkout@v4.2.2
        with: 
          fetch-depth: 0
        
      - name: Checkout staging and mainline branches
        run: |
          git pull
          git checkout $staging_branch
          git checkout $mainline_branch
          
      - name: Sync mainline with staging locally
        run: |
          # Skip sync if staging matches mainline already
          if [[ -z $(git log $staging_branch...$mainline_branch) ]]; then
            echo "mainline is already synced with staging"
            exit 1
          fi
          # sync branches with fast-forward merge
          git merge $staging_branch --ff-only
          # Compare histories to check if they match after sync
          if [[ -n $(git log $staging_branch...$mainline_branch) ]]; then
            echo "branches don't match after sync!"
            exit 1
          fi         
          
      - name: Push mainline
        run: git push -u origin $mainline_branch