some linters

.gitignore

@@ -8,3 +8,5 @@
 __pycache__
 
 db.sqlite3
+
+/.pre-commit-config.yaml

flake.lock

@@ -1,5 +1,20 @@
 {
   "nodes": {
+    "flake-compat": {
+      "locked": {
+        "lastModified": 1688025799,
+        "narHash": "sha256-ktpB4dRtnksm9F5WawoIkEneh1nrEvuxb5lJFt1iOyw=",
+        "owner": "nix-community",
+        "repo": "flake-compat",
+        "rev": "8bf105319d44f6b9f0d764efa4fdef9f1cc9ba1c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-utils": {
       "inputs": {
         "systems": "systems"
@@ -54,6 +69,26 @@
         "url": "https://dl.jakstys.lt/_/2024.01.10/GeoLite2-Country.mmdb"
       }
     },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1703887061,
+        "narHash": "sha256-gGPa9qWNc6eCXT/+Z5/zMkyYOuRZqeFZBDbopNZQkuY=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "43e1aa1308018f37118e34d3a9cb4f5e75dc11d5",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "nixpkgs": {
       "locked": {
         "lastModified": 1704420045,
@@ -70,13 +105,48 @@
         "type": "github"
       }
     },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": [
+          "flake-compat"
+        ],
+        "flake-utils": [
+          "flake-utils"
+        ],
+        "gitignore": [
+          "gitignore"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1705229514,
+        "narHash": "sha256-itILy0zimR/iyUGq5Dgg0fiW8plRDyxF153LWGsg3Cw=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "ffa9a5b90b0acfaa03b1533b83eaf5dead819a05",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
+        "flake-compat": "flake-compat",
         "flake-utils": "flake-utils",
         "geoip2-asn": "geoip2-asn",
         "geoip2-city": "geoip2-city",
         "geoip2-country": "geoip2-country",
-        "nixpkgs": "nixpkgs"
+        "gitignore": "gitignore",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": "pre-commit-hooks"
       }
     },
     "systems": {

flake.nix

@@ -19,15 +19,32 @@
       url = "https://dl.jakstys.lt/_/2024.01.10/GeoLite2-Country.mmdb";
       flake = false;
     };
+
+    flake-compat.url = "github:nix-community/flake-compat";
+    gitignore.url = "github:hercules-ci/gitignore.nix";
+    gitignore.inputs.nixpkgs.follows = "nixpkgs";
+
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs = {
+        nixpkgs.follows = "nixpkgs";
+        nixpkgs-stable.follows = "nixpkgs";
+        flake-compat.follows = "flake-compat";
+        flake-utils.follows = "flake-utils";
+        gitignore.follows = "gitignore";
+      };
+    };
   };
   outputs = {
     self,
     nixpkgs,
     flake-utils,
+    pre-commit-hooks,
     geoip2-asn,
     geoip2-city,
     geoip2-country,
-  }:
+    ...
+  } @ inputs:
     flake-utils.lib.eachDefaultSystem (system: let
       pkgs = import nixpkgs {inherit system;};
 
@@ -39,11 +56,21 @@
 
       e11sync = pkgs.callPackage ./pkgs/e11sync.nix {inherit geoip-archive;};
     in {
-      packages.geoip-archive = geoip-archive;
+      packages = {
-      packages.e11sync-static = e11sync-static;
+        inherit geoip-archive e11sync-static e11sync;
-      packages.e11sync = e11sync;
+      };
 
-      checks.e11sync-unit = e11sync.passthru.tests.unit;
+      checks = {
+        e11sync-unit = e11sync.passthru.tests.unit;
+        pre-commit-check = pre-commit-hooks.lib.${system}.run {
+          src = ./.;
+          hooks = {
+            alejandra.enable = true;
+            deadnix.enable = true;
+            statix.enable = true;
+          };
+        };
+      };
 
       apps.e11sync-gunicorn = {
         type = "app";
@@ -66,6 +93,7 @@
         GEOIP_PATH = "${geoip-archive}";
         E11SYNC_DEBUG = "1";
         LOCALE_ARCHIVE = "${pkgs.glibcLocales}/lib/locale/locale-archive";
+        inherit (inputs.self.checks.${system}.pre-commit-check) shellHook;
       };
 
       formatter = pkgs.alejandra;