roll_nightly_deps.yml

name: Roll nightly deps

on:
  workflow_dispatch:
  schedule:
    # Do the nightly dep roll at 12:30 PDT.
    - cron:  '30 19 * * *'

concurrency:
  group: roll_deps

permissions:
  # Allows approval.
  pull-requests: write

jobs:
  roll_deps:
    runs-on: ubuntu-20.04
    steps:
      - name: Checking out repository
        uses: actions/checkout@8f4b7f84864484a7bf31766abe9204da3cbe65b3 # v3.5.0
        with:
          # Always checkout main, even if invoked from a branch for dev use.
          ref: main
          token: ${{ secrets.WRITE_ACCESS_TOKEN }}
          fetch-depth: 0

      - name: "Setting up Python"
        uses: actions/setup-python@75f3110429a8c05be0e1bf360334e4cced2b63fa # v2.3.3
        with:
          python-version: "3.10"

      - name: "Install openxla-dev-tools"
        run: |
          pip install git+https://github.com/openxla/openxla-devtools.git

      - name: "Check out workspace"
        run: |
          # GitHub's actions/checkout has super-powers when it comes to tokens
          # and write access, so we bootstrap with that. Then initialize the
          # workspace one level up.
          cd ..
          openxla-workspace init
          # We presently do not need deps or submodules to bump versions.
          openxla-workspace checkout --ro --no-submodules --no-deps openxla-pjrt-plugin

      - name: "Roll dependencies"
        run: |
          openxla-workspace roll nightly

      - name: "Create pull request"
        env:
          GH_TOKEN: ${{ secrets.WRITE_ACCESS_TOKEN }}
          APPROVAL_TOKEN: ${{ github.token }}
        run: |
          git config --local user.email "iree-github-actions-bot@google.com"
          git config --local user.name "OpenXLA Dep Roller"
          status="$(git status --porcelain)"
          if [ -z "$status" ]; then
            echo "No updates made"
          else
            echo "Dependencies updated"
            git diff
            branch="roll_nightly_${{ github.run_number }}"
            git add -A
            git checkout -b "$branch"
            git commit -m "Update nightly dependencies"
            git push origin "HEAD:$branch"
            pr="$(gh pr create --base main --head "$branch" --title "Update nightly dependencies" --body "Automatically created")"
            echo "Created pull request $pr"
            gh pr merge $pr --auto --delete-branch --squash
            # Can't approve your own PR, so approve with the github actions bot.
            echo "Approving PR"
            export GH_TOKEN="$APPROVAL_TOKEN"
            gh pr review $pr -a
          fi