.github/workflows/update_llvm_dependent_submodules.yml

# Copyright 2020 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Creates a PR to update all LLVM-dependent submodules to the current LLVM
# commit in the repo.

name: Synchronize LLVM Dependents

on:
  workflow_dispatch:
  schedule:
    # Every 6 hours at 0, 6, 12, 18 UTC (4, 10, 16, 22 PST)
    - cron: "0 */6 * * *"

jobs:
  update_llvm_dependents:
    # Don't run this in everyone's forks.
    if: github.repository == 'google/iree'
    runs-on: ubuntu-18.04
    steps:
      - name: Checking out repository
        uses: actions/checkout@v2
        with:
          ref: "google"
      - name: Setting git config
        run: |
          git config --local user.email "iree-github-actions-bot@google.com"
          git config --local user.name "Submodule Update Action"
      - name: Initializing submodules
        run: ./scripts/git/submodule_versions.py init
      - name: Updating submodules and creating PR
        env:
          # Personal token is required to trigger additional automation (e.g. presubmits).
          GITHUB_TOKEN: ${{ secrets.GITHUB_WRITE_ACCESS_TOKEN }}
          UPSTREAM_REMOTE: "origin"
          PR_BRANCH: "auto_submodule_update"
        run: ./scripts/git/update_llvm_dependent_submodules.sh