+ pre-commit-hooks

.gitignore

@@ -3,3 +3,4 @@
 /.envrc
 /*.db
 /dendrite-p2p-pinecone.key
+/.pre-commit-config.yaml

flake.nix

@@ -20,17 +20,24 @@
       url = "github:edolstra/flake-compat";
       flake = false;
     };
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        flake-utils.follows = "flake-utils";
+      };
+    };
   };
 
-  outputs = { self, nixpkgs, flake-utils, dendrite, flake-compat }:
+  outputs = { nixpkgs, flake-utils, dendrite, pre-commit-hooks, ... }:
     flake-utils.lib.eachDefaultSystem
       (system:
         let pkgs = import nixpkgs { inherit system; }; in
         {
           defaultPackage = (import ./build.nix { inherit pkgs dendrite; }).main;
           packages.dendrite = (import ./build.nix { inherit pkgs dendrite; }).main;
           packages.dockerImage = import ./image.nix { inherit pkgs dendrite; };
-          devShell = import ./shell.nix { inherit pkgs; };
+          devShell = import ./shell.nix { inherit pkgs pre-commit-hooks system; };
         }
       );
 }

shell.nix

@@ -1,8 +1,26 @@
-{ pkgs }:
+{ pkgs, pre-commit-hooks, system }:
 
+let
+  pre-commit-check = pre-commit-hooks.lib.${system}.run {
+    src = ./.;
+    hooks = {
+      nixpkgs-fmt.enable = true;
+      nix-linter.enable = true;
+      shellcheck.enable = true;
+    };
+    # generated files
+    excludes = [
+      "Cargo.nix"
+    ];
+  };
+in
 pkgs.mkShell {
   buildInputs = [
     # keep this line if you use bash
     pkgs.bashInteractive
   ];
+
+  shellHook = ''
+    ${pre-commit-check.shellHook}
+  '';
 }