add checks and dev shell

6 files changed, 159 insertions, 4 deletions

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..3550a30
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+use flake
diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
new file mode 100644
index 0000000..f35e930
--- /dev/null
+++ b/.github/workflows/check.yml
@@ -0,0 +1,26 @@
+name: check flake
+
+on:
+  pull_request:
+    paths:
+      - "**.nix"
+  push:
+    paths:
+      - "**.nix"
+  workflow_dispatch:
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: cachix/install-nix-action@v19
+        with:
+          github_access_token: ${{ secrets.GITHUB_TOKEN }}
+
+      - run: |
+          export NIXPKGS_ALLOW_UNSUPPORTED_SYSTEM=1
+          export NIXPKGS_ALLOW_BROKEN=1
+          export NIXPKGS_ALLOW_UNFREE=1
+          nix flake check --impure
diff --git a/.gitignore b/.gitignore
index b2be92b..a71e2bf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,6 @@
+# build artifacts
 result
+
+# dev shell
+.pre-commit-config.yaml
+.direnv/
diff --git a/flake.lock b/flake.lock
index 7542380..28e72d4 100644
--- a/flake.lock
+++ b/flake.lock
@@ -94,6 +94,22 @@
         "type": "github"
       }
     },
+    "flake-compat_5": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1673956053,
+        "narHash": "sha256-4gtG9iQuiKITOjNQQeQIpoIB6b16fm+504Ch3sNKLd8=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "35bb57c0c8d8b62bbfd284272c928ceb64ddbde9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
         "nixpkgs-lib": "nixpkgs-lib"
@@ -142,6 +158,21 @@
         "type": "github"
       }
     },
+    "flake-utils_3": {
+      "locked": {
+        "lastModified": 1667395993,
+        "narHash": "sha256-nuEHfE/LcWyuSWnS8t12N1wc105Qtau+/OdUAjtQ0rA=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "5aed5285a952e0b949eb3ba02c12fa4fcfef535f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
     "getchoo": {
       "inputs": {
         "naersk": "naersk",
@@ -186,6 +217,27 @@
         "type": "github"
       }
     },
+    "gitignore_2": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1660459072,
+        "narHash": "sha256-8DFJjXG8zqoONA1vXtgeKXy68KdJL5UaXR8NtVMUbx8=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "a20de23b925fd8264fd7fad6454652e142fd7f73",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
     "home-manager": {
       "inputs": {
         "nixpkgs": [
@@ -341,6 +393,22 @@
         "type": "github"
       }
     },
+    "nixpkgs-stable_2": {
+      "locked": {
+        "lastModified": 1673800717,
+        "narHash": "sha256-SFHraUqLSu5cC6IxTprex/nTsI81ZQAtDvlBvGDWfnA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "2f9fd351ec37f5d479556cd48be4ca340da59b8f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
     "nixpkgs-test": {
       "locked": {
         "lastModified": 1671812130,
@@ -387,6 +455,30 @@
         "type": "github"
       }
     },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat_5",
+        "flake-utils": "flake-utils_3",
+        "gitignore": "gitignore_2",
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable_2"
+      },
+      "locked": {
+        "lastModified": 1678376203,
+        "narHash": "sha256-3tyYGyC8h7fBwncLZy5nCUjTJPrHbmNwp47LlNLOHSM=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "1a20b9708962096ec2481eeb2ddca29ed747770a",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "pre-commit-hooks-nix": {
       "inputs": {
         "flake-compat": "flake-compat_3",
@@ -424,7 +516,8 @@
         "nixos-wsl": "nixos-wsl",
         "nixpkgs": "nixpkgs",
         "nixpkgsUnstable": "nixpkgsUnstable",
-        "nur": "nur"
+        "nur": "nur",
+        "pre-commit-hooks": "pre-commit-hooks"
       }
     },
     "rust-overlay": {
diff --git a/flake.nix b/flake.nix
index 98bb672..c694a0a 100644
--- a/flake.nix
+++ b/flake.nix
@@ -19,11 +19,17 @@
     };
     nixos-hardware.url = "github:NixOS/nixos-hardware";
     nur.url = "github:nix-community/NUR";
+    pre-commit-hooks = {
+      url = "github:cachix/pre-commit-hooks.nix";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
   };
 
   outputs = inputs @ {
+    self,
     nixpkgs,
     nixpkgsUnstable,
+    pre-commit-hooks,
     ...
   }: let
     supportedSystems = ["x86_64-linux" "aarch64-linux" "x86_64-darwin" "aarch64-darwin"];
@@ -45,10 +51,35 @@
     users = import ./users {inherit inputs;};
     hosts = import ./hosts {inherit inputs;};
   in {
-    homeConfigurations = forAllSystems (system: mapHMUsers (users.users {inherit system;}));
+    checks = forAllSystems (system: {
+      pre-commit-check = pre-commit-hooks.lib.${system}.run {
+        src = ./.;
+        hooks = {
+          alejandra.enable = true;
+          deadnix.enable = true;
+          statix.enable = true;
+        };
+      };
+    });
 
-    nixosConfigurations = mapHosts hosts;
+    devShells = forAllSystems (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+    in
+      with pkgs; {
+        default = mkShell {
+          inherit (self.checks.${system}.pre-commit-check) shellHook;
+          packages = [
+            alejandra
+            deadnix
+            statix
+          ];
+        };
+      });
 
     formatter = forAllSystems (system: channels.nixpkgs.${system}.alejandra);
+
+    homeConfigurations = forAllSystems (system: mapHMUsers (users.users {inherit system;}));
+
+    nixosConfigurations = mapHosts hosts;
   };
 }
diff --git a/hosts/glados/hardware-configuration.nix b/hosts/glados/hardware-configuration.nix
index 74f9d71..ba90d41 100644
--- a/hosts/glados/hardware-configuration.nix
+++ b/hosts/glados/hardware-configuration.nix
@@ -4,7 +4,6 @@
 {
   config,
   lib,
-  pkgs,
   modulesPath,
   ...
 }: {