update.yml

# Copyright 2025 The Khronos Group Inc.
#
# SPDX-License-Identifier: Apache-2.0

name: 'Update'

on:
  schedule:
    # Runs at 00:00 UTC every 5 days
    - cron: '0 0 */5 * *'
  workflow_dispatch: # This allows manual triggering from the GitHub UI

jobs:
  create-pull-request:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Update script
        run: python3 update.py

      # If nothing changed, we stop the workflow early to prevent empty PRs.
      # (used for cron job to search for header updates)
      - name: Check for changes
        id: git_check
        run: |
          if [ -z "$(git status --porcelain)" ]; then
            echo "No updates found. Exiting."
            echo "has_changes=false" >> "$GITHUB_OUTPUT"
          else
            echo "Updates found!"
            echo "has_changes=true" >> "$GITHUB_OUTPUT"
          fi

      - name: Extract version from pyproject.toml
        if: steps.git_check.outputs.has_changes == 'true'
        id: get_version
        run: |
          echo "version=$(grep 'version = ' pyproject.toml | cut -d '"' -f 2)" >> "$GITHUB_OUTPUT"

      - name: Create Pull Request
        if: steps.git_check.outputs.has_changes == 'true'
        id: cpr 
        uses: peter-evans/create-pull-request@v6
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          # Don't make branch same name as release tag
          branch: "release${{ steps.get_version.outputs.version }}"
          commit-message: "Update to v${{ steps.get_version.outputs.version }}"
          title: "Update to v${{ steps.get_version.outputs.version }}"
          author: GitHub <noreply@github.com>
          delete-branch: true

      - name: enable pr automerge
        if: steps.git_check.outputs.has_changes == 'true'      
        run: |
          sleep 60
          gh pr merge --merge --auto ${{env.PULL_REQUEST_NUMBER}}
        env:
          GH_TOKEN: ${{ github.token }}
        continue-on-error: true