From 02ce64158f185dab5806859d9279ae87bae5bfd4 Mon Sep 17 00:00:00 2001
From: Jonni Liljamo <jonni@liljamo.com>
Date: Fri, 2 Aug 2024 18:53:11 +0300
Subject: [PATCH] feat: pre commit hooks

---
 .gitignore |  1 +
 flake.lock | 69 +++++++++++++++++++++++++++++++++++++++++++++++++++---
 flake.nix  | 28 ++++++++++++++++++----
 3 files changed, 90 insertions(+), 8 deletions(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..e90b739
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+.pre-commit-config.yaml
diff --git a/flake.lock b/flake.lock
index 01ce9b4..12d1e6f 100644
--- a/flake.lock
+++ b/flake.lock
@@ -24,6 +24,22 @@
       }
     },
     "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "flake-compat_2": {
       "locked": {
         "lastModified": 1696426674,
         "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
@@ -116,13 +132,38 @@
       }
     },
     "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs-unstable"
+        ],
+        "nixpkgs-stable": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1721042469,
+        "narHash": "sha256-6FPUl7HVtvRHCCBQne7Ylp4p+dpP3P/OYuzjztZ4s70=",
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "f451c19376071a90d8c58ab1a953c6e9840527fd",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "git-hooks_2": {
       "inputs": {
         "flake-compat": [
           "nvim-flake",
           "nixvim",
           "flake-compat"
         ],
-        "gitignore": "gitignore",
+        "gitignore": "gitignore_2",
         "nixpkgs": [
           "nvim-flake",
           "nixvim",
@@ -149,6 +190,27 @@
       }
     },
     "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "gitignore_2": {
       "inputs": {
         "nixpkgs": [
           "nvim-flake",
@@ -313,9 +375,9 @@
     "nixvim": {
       "inputs": {
         "devshell": "devshell",
-        "flake-compat": "flake-compat",
+        "flake-compat": "flake-compat_2",
         "flake-parts": "flake-parts_3",
-        "git-hooks": "git-hooks",
+        "git-hooks": "git-hooks_2",
         "home-manager": "home-manager_2",
         "nix-darwin": "nix-darwin",
         "nixpkgs": [
@@ -363,6 +425,7 @@
     "root": {
       "inputs": {
         "flake-parts": "flake-parts",
+        "git-hooks": "git-hooks",
         "home-manager": "home-manager",
         "impermanence": "impermanence",
         "nixos-hardware": "nixos-hardware",
diff --git a/flake.nix b/flake.nix
index 4da1794..ca0abfb 100644
--- a/flake.nix
+++ b/flake.nix
@@ -9,6 +9,11 @@
       url = "github:hercules-ci/flake-parts";
       inputs.nixpkgs-lib.follows = "nixpkgs";
     };
+    git-hooks = {
+      url = "github:cachix/git-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs-unstable";
+      inputs.nixpkgs-stable.follows = "nixpkgs";
+    };
 
     # Core
     impermanence.url = "github:nix-community/impermanence";
@@ -31,7 +36,7 @@
     };
   };
 
-  outputs = inputs:
+  outputs = inputs @ {self, ...}:
     inputs.flake-parts.lib.mkFlake {inherit inputs;} {
       imports = [
         ./systems
@@ -43,11 +48,24 @@
         system,
         ...
       }: {
+        checks.pre-commit-check = inputs.git-hooks.lib.${system}.run {
+          src = ./.;
+          hooks = {
+            alejandra = {
+              enable = true;
+              always_run = true;
+            };
+          };
+        };
+
         devShells.default = pkgs.mkShell {
-          buildInputs = with pkgs; [
-            alejandra
-            sops
-          ];
+          inherit (self.checks.${system}.pre-commit-check) shellHook;
+          buildInputs = with pkgs;
+            [
+              alejandra
+              sops
+            ]
+            ++ self.checks.${system}.pre-commit-check.enabledPackages;
         };
       };
     };
-- 
2.44.1