3 files changed, 56 insertions, 4 deletions
diff --git a/src/x509-info/.gitignore b/src/x509-info/.gitignore
index d787b70..53e2c1a 100644
--- a/src/x509-info/.gitignore
+++ b/src/x509-info/.gitignore
@@ -1,2 +1,3 @@
 /target
 /result
+/.pre-commit-config.yaml
diff --git a/src/x509-info/flake.lock b/src/x509-info/flake.lock
index 9080ba8..af07128 100644
--- a/src/x509-info/flake.lock
+++ b/src/x509-info/flake.lock
@@ -45,10 +45,34 @@
         "type": "github"
       }
     },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1666604592,
+        "narHash": "sha256-Bxy7xeVAwC0yxFaeYZM7N9Us/ebxpMC9TCceKEFeay4=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "1b436f36e2812c589e6d830e3223059ea9661100",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "flake-utils": "flake-utils",
         "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks",
         "rust-overlay": "rust-overlay"
       }
     },
diff --git a/src/x509-info/flake.nix b/src/x509-info/flake.nix
index ca1762f..5948fa8 100644
--- a/src/x509-info/flake.nix
+++ b/src/x509-info/flake.nix
@@ -6,7 +6,16 @@
     nixpkgs.url = "github:NixOS/nixpkgs";
     rust-overlay = {
       url = "github:oxalica/rust-overlay";
-      inputs.nixpkgs.follows = "nixpkgs";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+      };
+    };
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs = {
+        flake-utils.follows = "flake-utils";
+        nixpkgs.follows = "nixpkgs";
+      };
     };
   };
 
@@ -15,6 +24,7 @@
     , flake-utils
     , nixpkgs
     , rust-overlay
+    , pre-commit-hooks
     }:
     let
       # Borrow project metadata from the Rust config
@@ -48,6 +58,25 @@
           };
         };
 
+        checks = {
+          pre-commit = pre-commit-hooks.lib.${system}.run {
+            src = ./.;
+            hooks = {
+              clippy = {
+                enable = true;
+                entry = pkgs.lib.mkForce "cargo clippy -- -D warnings";
+              };
+              nixpkgs-fmt = {
+                enable = true;
+              };
+              rustfmt = {
+                enable = true;
+                entry = pkgs.lib.mkForce "cargo fmt -- --check --color always";
+              };
+            };
+          };
+        };
+
         devShell = pkgs.mkShell {
           nativeBuildInputs = with pkgs; [
             rustToolchain
@@ -56,9 +85,7 @@
             rust-analyzer
           ];
 
-          shellHook = ''
-            cargo --version
-          '';
+          inherit (self.checks.${system}.pre-commit) shellHook;
         };
       })
     // {