move checks out of flake.nix

.editorconfig

@@ -0,0 +1,8 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true

.github/workflows/main.yml

@@ -55,7 +55,7 @@ jobs:
 
       - name: Run checks 📋
         run: |
-          nix flake check
+          nix flake check -L
 
   tests:
     needs:

checks/nixpkgs-fmt.nix

@@ -0,0 +1,8 @@
+{ runCommand
+, nixpkgs-fmt
+, ...
+}:
+runCommand "check-nixpkgs-fmt" { nativeBuildInputs = [ nixpkgs-fmt ]; } ''
+  nixpkgs-fmt --check ${./..}
+  touch $out
+''

checks/shfmt.nix

@@ -0,0 +1,8 @@
+{ runCommand
+, shfmt
+, ...
+}:
+runCommand "check-shfmt" { nativeBuildInputs = [ shfmt ]; } ''
+  shfmt -i 2 -d ${./../scripts}/*.sh
+  touch $out
+''

flake.nix

@@ -41,13 +41,14 @@
           pkgs = import nixpkgs { inherit system; };
         in
         {
-          checks = {
-            check-format = pkgs.runCommand "check-format" { nativeBuildInputs = with pkgs; [ nixpkgs-fmt shfmt ]; } ''
-              nixpkgs-fmt --check ${./.}
-              shfmt -i 2 -d ${./scripts}/*.sh
-              mkdir $out # success
-            '';
-          };
+          checks =
+            let
+              args = { inherit self; };
+            in
+            {
+              nixpkgs-fmt = pkgs.callPackage ./checks/nixpkgs-fmt.nix args;
+              shfmt = pkgs.callPackage ./checks/shfmt.nix args;
+            };
 
           devShell = pkgs.mkShell {
             RUST_SRC_PATH = "${pkgs.rust.packages.stable.rustPlatform.rustLibSrc}";