# Pulls the latest changes from upstream into main and opens a PR to merge
# them into rocm-main branch.

name: ROCm Nightly Upstream Sync
on:
  workflow_dispatch:
  schedule:
    - cron: '0 6 * * 1-5'
permissions:
  contents: write
  pull-requests: write
env:
  SYNC_BRANCH_NAME: ci-upstream-sync-${{ github.run_number }}_${{ github.run_attempt }}
jobs:
  sync-main:
    runs-on: ubuntu-latest
    steps:
      - name: Generate an app token
        id: generate-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ vars.ROCM_REPO_MANAGEMENT_API_2_ID }}
          private-key: ${{ secrets.ROCM_REPO_MANAGEMENT_API_2_PRIV_KEY }}
      - name: Sync our main with upstream main
        run: |
          gh auth status
          gh repo sync rocm/jax -b main
        env:
          GH_TOKEN: ${{ steps.generate-token.outputs.token }}
  create-sync-branch:
    needs: sync-main
    runs-on: ubuntu-latest
    env:
      GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
      - name: Create branch
        run: |
          git fetch
          git checkout origin/main 
          git checkout -b $SYNC_BRANCH_NAME
          # Try and merge rocm-main into this new branch so that we don't run upstream's CI code
          git config --global user.email "github-actions@github.com"
          git config --global user.name "GitHub Actions"
          git merge origin/rocm-main || true
          # If the merge creates conflicts, we want to abort and push to origin anyways so that a dev can resolve the conflicts
          git merge --abort || true
          git push origin HEAD
  open-sync-pr:
    needs: create-sync-branch
    runs-on: ubuntu-latest
    steps:
      - name: Generate an app token
        id: generate-token
        uses: actions/create-github-app-token@v1
        with:
          app-id: ${{ vars.ROCM_REPO_MANAGEMENT_API_2_ID }}
          private-key: ${{ secrets.ROCM_REPO_MANAGEMENT_API_2_PRIV_KEY }}
      - name: Open a PR to rocm-main
        run: |
          gh pr create --repo $GITHUB_REPOSITORY --head $SYNC_BRANCH_NAME --base rocm-main --title "CI: $(date +%x) upstream sync" --body "Daily sync with upstream"
          gh pr merge --repo $GITHUB_REPOSITORY --merge --auto $SYNC_BRANCH_NAME
        env:
          GH_TOKEN: ${{ steps.generate-token.outputs.token }}