update-release.yml

name: Check for a new Rust release

on:
  # Allow for this to be manually run.
  workflow_dispatch:
    inputs:
      version:
        description: 'Rust release version'
        type: string

  # Run at midnight every day.
  schedule:
    - cron: '0 0 * * *'

jobs:
  check_for_update:
    name: Check if there is a new release
    env:
      version: ${{inputs.version}}
    outputs:
      release_version: ${{ steps.check.outputs.version }}
    runs-on: ubuntu-latest
    steps:
      - name: Get the latest release tag name
        if: env.version == ''
        env:
          GH_TOKEN: ${{ github.token }}
        run: echo "version=$(gh release view --repo rust-lang/rust --json tagName --jq '.tagName')" >> "$GITHUB_ENV"

      - uses: actions/checkout@v4

      - name: Check if we already have the latest release
        id: check
        run: test -f "recipes-devtools/rust/rust-bin-cross_${version}.bb" || echo "version=${version}" >> "$GITHUB_OUTPUT"

  create_pr:
    name: Create release PR
    needs: check_for_update
    if: needs.check_for_update.outputs.release_version
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Generate new files for the release
        run: ./build-new-version.sh ${{needs.check_for_update.outputs.release_version}}

      - name: Commit new files
        uses: stefanzweifel/git-auto-commit-action@v5
        with:
          branch: feature/rust-${{needs.check_for_update.outputs.release_version}}
          create_branch: true
          commit_message: "Rust ${{needs.check_for_update.outputs.release_version}}"
          add_options: '--all'
          push_options: '--force'

      - name: Create pull request
        env:
          GH_TOKEN: ${{ github.token }}
        run: gh pr create --title "Rust ${{needs.check_for_update.outputs.release_version}}" --body "Automatically generated by update-release.yml"