Add pre-commit check and devShell

flake.nix

@@ -114,14 +114,28 @@
         ))
       ];
 
+      checks =
+        builtins.mapAttrs (system: deployLib: deployLib.deployChecks self.deploy) inputs.deploy-rs.lib
+        // (forEachSystem (system: {
+          pre-commit-check = inputs.pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              nixfmt-rfc-style.enable = true;
+            };
+          };
+        }));
+
       formatter = forEachSystem (system: nixpkgs.legacyPackages.${system}.nixfmt-rfc-style);
 
-      devShells.x86_64-linux.default = nixpkgs.legacyPackages.x86_64-linux.mkShell {
+      devShells = forEachSystem (system: {
-        buildInputs = [
+        default = nixpkgs.legacyPackages.${system}.mkShell {
-          inputs.agenix.packages.x86_64-linux.agenix
+          inherit (self.checks.${system}.pre-commit-check) shellHook;
-          inputs.deploy-rs.packages.x86_64-linux.deploy-rs
+          buildInputs = [
-        ];
+            inputs.agenix.packages.${system}.agenix
-      };
+            inputs.deploy-rs.packages.${system}.deploy-rs
+          ] ++ self.checks.${system}.pre-commit-check.enabledPackages;
+        };
+      });
 
       deploy = {
         magicRollback = true;
@@ -134,9 +148,5 @@
           "vps1"
         ] mkDeployNode;
       };
-
-      checks = builtins.mapAttrs (
-        system: deployLib: deployLib.deployChecks self.deploy
-      ) inputs.deploy-rs.lib;
     };
 }