nightly.yml

name: Nightly Update Submodule

on:
  schedule:
    - cron: '0 17 * * 1-5' # At 00:00 on every day-of-week from Monday through Friday UTC +7
  workflow_dispatch:

jobs:
  update-submodule:
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      actions: write

    outputs:
      pr_number: ${{ steps.check-update.outputs.pr_number }}
      pr_created: ${{ steps.check-update.outputs.pr_created }}

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        submodules: recursive
        fetch-depth: 0
        token: ${{ secrets.PAT_SERVICE_ACCOUNT }}

    - name: Configure Git
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'

    - name: Update submodule to latest release
      id: check-update
      env:
        GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
      run: |
        cd llama.cpp
        latest_release=$(curl -s https://api.github.com/repos/ggerganov/llama.cpp/releases/latest | jq -r '.tag_name')
        release_name=$(curl -s https://api.github.com/repos/ggerganov/llama.cpp/releases/latest | jq -r '.name')
        git fetch
        current_commit=$(git rev-parse HEAD)
        git checkout $latest_release
        new_commit=$(git rev-parse HEAD)
        if [ "$current_commit" = "$new_commit" ]; then
          echo "llamacpp remote repo doesn't have update today, skip nightly build"
          echo "::set-output name=pr_created::false"
          exit 0
        fi
        echo "::set-output name=pr_created::true"
        cd -
        git add llama.cpp
        git commit -m "Update submodule to latest release $release_name"
        branch_name="update-submodule-$(date +'%Y-%m-%d-%H-%M')"
        git checkout -b $branch_name
        git push origin $branch_name

        pr_title="Update llama.cpp submodule to latest release $release_name"
        pr_body="This PR updates the llama.cpp submodule to the latest release: $release_name."

        gh pr create --title "$pr_title" --body "$pr_body" --head $branch_name --base main --reviewer vansangpfiev
        
        pr_number=$(gh pr list --head $branch_name --json number --jq '.[0].number')
        echo "::set-output name=pr_number::$pr_number"

  check-and-merge-pr:
    needs: update-submodule
    if: needs.update-submodule.outputs.pr_created == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write

    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        submodules: recursive
        fetch-depth: 0
        token: ${{ secrets.PAT_SERVICE_ACCOUNT }}

    - name: Wait for CI to pass
      env:
          GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
      run: |
        pr_number=${{ needs.update-submodule.outputs.pr_number }}
        while true; do
          ci_status=$(gh pr checks $pr_number --json status --jq '.[0].status')
          if [[ "$ci_status" == "completed" ]]; then
            ci_conclusion=$(gh pr checks $pr_number --json conclusion --jq '.[0].conclusion')
            if [[ "$ci_conclusion" == "success" ]]; then
              echo "CI passed, merging PR..."
              break
            else
              echo "CI failed, exiting..."
              exit 1
            fi
          else
            echo "CI is still running, waiting..."
            sleep 60
          fi
        done

    - name: Merge the PR
      env:
          GITHUB_TOKEN: ${{ secrets.PAT_SERVICE_ACCOUNT }}
      run: |
        pr_number=${{ needs.update-submodule.outputs.pr_number }}
        gh pr merge $pr_number --merge

  create-tag:
    needs: [update-submodule, check-and-merge-pr]
    if: needs.update-submodule.outputs.pr_created == 'true'
    runs-on: ubuntu-latest
    steps:
    - name: Checkout repository
      uses: actions/checkout@v3
      with:
        submodules: recursive
        fetch-depth: 0
        token: ${{ secrets.PAT_SERVICE_ACCOUNT }}

    - name: Configure Git
      run: |
        git config --global user.name 'github-actions[bot]'
        git config --global user.email 'github-actions[bot]@users.noreply.github.com'

    - name: Create and push a new tag
      run: |
        latest_release=$(curl -s https://api.github.com/repos/ggerganov/llama.cpp/releases/latest | jq -r '.tag_name')
        date_suffix=$(date +'%d.%m.%y')
        new_tag="${latest_release}-${date_suffix}"
        git tag $new_tag
        git push origin $new_tag