build.yaml

# Workflow to build the repo, run tests, and push the binaries to Cachix
name: Build repo and run tests
on:
  push:
    # no point rebuilding if the code doesn't change
    paths:
      - "software/**"
      - "flake.nix"
      - "flake.lock"
      # ignore script updates
      - "!software/scripts/**"
      - "!software/ros_ws/colcon/**"
      # we don't care about package.xml updates since they don't affect the nix build,
      # we only care about it when the nix files get updated
      - "!software/ros_ws/**/package.xml"
      # launch files don't affect the tests
      - "!software/ros_ws/**/launch/**"
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:
jobs:
  run-build:
    concurrency:
      group: "build"
      cancel-in-progress: true
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: nixbuild/nix-quick-install-action@v29
      - uses: DeterminateSystems/magic-nix-cache-action@main
      - name: Build repository
        run: nix build -L
      - name: Run flake checks
        run: nix flake check -L
      - name: Upload build to Cachix
        run: nix run -L .#scripts.cachix.build
      - name: Test dev shell
        run: nix develop -L -c echo 'Shell test success'
      - name: Upload dev shell to Cachix
        run: nix run -L .#scripts.cachix.shell
    env:
      CACHIX_AUTH_TOKEN: ${{ secrets.CACHIX_AUTH_TOKEN }}