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Diffstat (limited to '.github/workflows/check-nix-format.yml')
-rw-r--r-- | .github/workflows/check-nix-format.yml | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/.github/workflows/check-nix-format.yml b/.github/workflows/check-nix-format.yml new file mode 100644 index 000000000000..c1d87faca213 --- /dev/null +++ b/.github/workflows/check-nix-format.yml @@ -0,0 +1,53 @@ +# This file was copied mostly from check-maintainers-sorted.yaml. +# NOTE: Formatting with the RFC-style nixfmt command is not yet stable. See +# https://github.com/NixOS/rfcs/pull/166. +# Because of this, this action is not yet enabled for all files -- only for +# those who have opted in. +name: Check that Nix files are formatted + +on: + pull_request_target: +permissions: + contents: read + +jobs: + nixos: + runs-on: ubuntu-latest + if: github.repository_owner == 'NixOS' + steps: + - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633 # v4.1.2 + with: + # pull_request_target checks out the base branch by default + ref: refs/pull/${{ github.event.pull_request.number }}/merge + - uses: cachix/install-nix-action@8887e596b4ee1134dae06b98d573bd674693f47c # v26 + with: + # explicitly enable sandbox + extra_nix_config: sandbox = true + # fix a commit from nixpkgs-unstable to avoid e.g. building nixfmt + # from staging + nix_path: nixpkgs=https://github.com/NixOS/nixpkgs/archive/4b455dc2048f73a79eb3713f342369ff58f93e0b.tar.gz + - name: Install nixfmt + run: "nix-env -f '<nixpkgs>' -iAP nixfmt-rfc-style" + - name: Check that Nix files are formatted according to the RFC style + # Each environment variable beginning with NIX_FMT_PATHS_ is a list of + # paths to check with nixfmt. + env: + # Format paths related to the Nixpkgs CUDA ecosystem. + NIX_FMT_PATHS_CUDA: | + pkgs/development/cuda-modules + pkgs/test/cuda + pkgs/top-level/cuda-packages.nix + # Iterate over all environment variables beginning with NIX_FMT_PATHS_. + run: | + for env_var in "${!NIX_FMT_PATHS_@}"; do + readarray -t paths <<< "${!env_var}" + if [[ "${paths[*]}" == "" ]]; then + echo "Error: $env_var is empty." + exit 1 + fi + echo "Checking paths: ${paths[@]}" + if ! nixfmt --check "${paths[@]}"; then + echo "Error: nixfmt failed." + exit 1 + fi + done |