treewide: nixfmt everything except distros #1
Workflow file for this run
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| # This file was mostly copied from nixpkgs's check-nix-format.yml, | |
| # which itself wsa mostly copied from nixpkgs's check-maintainers-sorted.yaml. | |
| name: Check that Nix files are formatted | |
| on: | |
| pull_request: | |
| types: [opened, synchronize, reopened] | |
| permissions: | |
| contents: read | |
| jobs: | |
| nixos: | |
| name: nixfmt-check | |
| runs-on: ubuntu-latest | |
| steps: | |
| - uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 2 | |
| - name: Calculate changed files | |
| id: changed-files | |
| run: echo "changed_files=$(git diff --name-only -r HEAD^1 HEAD | xargs)" >> $GITHUB_OUTPUT | |
| - uses: cachix/install-nix-action@v30 | |
| with: | |
| extra_nix_config: sandbox = true | |
| nix_path: nixpkgs=channel:nixpkgs-unstable | |
| - name: Install nixfmt | |
| run: "nix-env -f '<nixpkgs>' -iAP nixfmt-rfc-style" | |
| - name: Check that Nix files are formatted according to the RFC style | |
| run: | | |
| # List of changed files | |
| changed_files="${{ steps.changed-files.outputs.changed_files }}" | |
| # Convert the string of changed files into an array | |
| IFS=' ' read -r -a files <<< "$changed_files" | |
| # A variable to track failures | |
| failure=0 | |
| # Function to check the file and run nixfmt | |
| check_file() { | |
| local file="$1" | |
| if [[ -f "$file" ]]; then | |
| if ! nixfmt --check "$file"; then | |
| echo "::error file=$file::Formatting check failed for $file" >&2 | |
| failure=1 | |
| fi | |
| else | |
| echo "File does not exist: $file" >&2 | |
| fi | |
| } | |
| # Export the function and failure variable for parallel execution | |
| export -f check_file | |
| export failure | |
| # Remove distros folder (not nixfmt-ed) | |
| rm -rf distros | |
| # Run the checks in parallel | |
| printf "%s\n" "${files[@]}" | xargs -n 1 -P "$(nproc)" -I {} bash -c 'check_file "$@"' _ {} | |
| # Exit with a status of 1 if any checks failed | |
| if [[ $failure -eq 1 ]]; then | |
| exit 1 | |
| fi |