update-rust-docker-images.yml

name: Update Cirrus-CI Rust Docker Images

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main, release* ]
  schedule:
    - cron: "0 6 * * 0"  # Run every Sunday at 6 am
  workflow_dispatch:

jobs:
  check-latest-rust-version-and-create-pull-request:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3

      - name: Setup Rust
        uses: dtolnay/rust-toolchain@v1
        with:
          toolchain: stable
          components: llvm-tools-preview

      - name: Get version of latest Rust release
        run: |
          curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal --no-modify-path
          rustup install stable
          export LATEST_RUST_RELEASE=$(rustc --version | cut -d' ' -f2)
          echo "LATEST_RUST_RELEASE: $LATEST_RUST_RELEASE"

      - name: Update docker files
        run: |
          export EXPECTED_RUST_VERSION_ENV="EXPECTED_RUST_VERSION=\"${LATEST_RUST_RELEASE}\""
          export PATH_TO_DOCKER_FILES="internal/docker"
          find "${PATH_TO_DOCKER_FILES}" -type f -exec sed -i "s/EXPECTED_RUST_VERSION='.*'/${EXPECTED_RUST_VERSION_ENV}/" {} \;
          echo "LATEST_RUST_RELEASE: $LATEST_RUST_RELEASE"
          echo "EXPECTED_RUST_VERSION_ENV: $EXPECTED_RUST_VERSION_ENV"

      - name: Create Pull Request
        uses: peter-evans/create-pull-request@v5
        with:
          commit-message: "[#8] Update Cirrus-CI Rust Docker images"
          title: elk-#8 Update Cirrus-CI Rust Docker images
          body: |
            Update Cirrus-CI Rust Docker images to latest Rust release

            Auto-generated by [create-pull-request][1]

            [1]: https://github.com/peter-evans/create-pull-request
          branch: elk-8-update-cirrus-ci-rust-docker-images
          base: main