Add pre-commit

.gitignore

@@ -10,3 +10,6 @@ static/style/fonts.css
 
 # Local Netlify folder
 .netlify
+
+# local pre-commit config
+.pre-commit-config.yaml

_typos.toml

@@ -0,0 +1,2 @@
+[default.extend-words]
+referer = "referer"

content/posts/command-line-flake-arguments/index.md

@@ -126,7 +126,7 @@ If software builds are functions, then Nix flakes are pure functions. Indeed, th
     builder.url = "...";
     source.url = "...";
   };
-  ouputs = { self, builder, source }: {
+  outputs = { self, builder, source }: {
     software = builder.build source;
   };
 }

flake.lock

@@ -16,18 +16,32 @@
         "type": "github"
       }
     },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1668681692,
+        "narHash": "sha256-Ht91NGdewz8IQLtWZ9LCeNXMSXHUss+9COoqu6JLmXU=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "009399224d5e398d03b22badca40a37ac85412a1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
     "flake-parts": {
       "inputs": {
-        "nixpkgs": [
+        "nixpkgs-lib": "nixpkgs-lib"
-          "nixpkgs"
-        ]
       },
       "locked": {
-        "lastModified": 1664385320,
+        "lastModified": 1668450977,
-        "narHash": "sha256-uSCHb9RUqHRjTpI8OzyaUuHckFnnxwZqlXEuo+yUpYQ=",
+        "narHash": "sha256-cfLhMhnvXn6x1vPm+Jow3RiFAUSCw/l1utktCw5rVA4=",
         "owner": "hercules-ci",
         "repo": "flake-parts",
-        "rev": "45298bd207b26e1bcd030a0bb075aa2da29f8e30",
+        "rev": "d591857e9d7dd9ddbfba0ea02b43b927c3c0f1fa",
         "type": "github"
       },
       "original": {
@@ -36,6 +50,21 @@
         "type": "github"
       }
     },
+    "flake-utils": {
+      "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"
+      }
+    },
     "gitignore": {
       "inputs": {
         "nixpkgs": [
@@ -58,11 +87,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1665259268,
+        "lastModified": 1670064435,
-        "narHash": "sha256-ONFhHBLv5nZKhwV/F2GOH16197PbvpyWhoO0AOyktkU=",
+        "narHash": "sha256-+ELoY30UN+Pl3Yn7RWRPabykwebsVK/kYE9JsIsUMxQ=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "c5924154f000e6306030300592f4282949b2db6c",
+        "rev": "61a8a98e6d557e6dd7ed0cdb54c3a3e3bbc5e25c",
         "type": "github"
       },
       "original": {
@@ -72,12 +101,73 @@
         "type": "github"
       }
     },
+    "nixpkgs-lib": {
+      "locked": {
+        "dir": "lib",
+        "lastModified": 1665349835,
+        "narHash": "sha256-UK4urM3iN80UXQ7EaOappDzcisYIuEURFRoGQ/yPkug=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "34c5293a71ffdb2fe054eb5288adc1882c1eb0b1",
+        "type": "github"
+      },
+      "original": {
+        "dir": "lib",
+        "owner": "NixOS",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1671271954,
+        "narHash": "sha256-cSvu+bnvN08sOlTBWbBrKaBHQZq8mvk8bgpt0ZJ2Snc=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "d513b448cc2a6da2c8803e3c197c9fc7e67b19e3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-22.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "flake-utils": "flake-utils",
+        "gitignore": [
+          "gitignore"
+        ],
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1671452357,
+        "narHash": "sha256-HqzXiQEegpRQ4VEl9pEPgHSIxhJrNJ27HfN1wOc7w2E=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "200790e9c77064c53eaf95805b013d96615ecc27",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
     "root": {
       "inputs": {
         "caddyfile-syntax": "caddyfile-syntax",
         "flake-parts": "flake-parts",
         "gitignore": "gitignore",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "pre-commit": "pre-commit"
       }
     }
   },

flake.nix

@@ -4,19 +4,21 @@
   inputs = {
     nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
     flake-parts.url = "github:hercules-ci/flake-parts";
-    flake-parts.inputs.nixpkgs.follows = "nixpkgs";
     gitignore.url = "github:hercules-ci/gitignore.nix";
     gitignore.inputs.nixpkgs.follows = "nixpkgs";
+    pre-commit.url = "github:cachix/pre-commit-hooks.nix";
+    pre-commit.inputs.nixpkgs.follows = "nixpkgs";
+    pre-commit.inputs.gitignore.follows = "gitignore";
 
     caddyfile-syntax.url = "github:caddyserver/sublimetext";
     caddyfile-syntax.flake = false;
   };
 
-  outputs = { self, flake-parts, gitignore, ... }@inputs:
+  outputs = { self, flake-parts, gitignore, pre-commit, ... }@inputs:
     flake-parts.lib.mkFlake { inherit self; } {
-      imports = [ ];
+      imports = [ pre-commit.flakeModule ];
       systems = [ "x86_64-linux" "aarch64-darwin" ];
-      perSystem = { config, self', inputs', pkgs, system, ... }:
+      perSystem = { config, pkgs, ... }:
         let
           inherit (gitignore.lib) gitignoreSource;
           inherit (pkgs.callPackage ./nix { }) fonts optimize-images update-date;
@@ -24,25 +26,23 @@
           caddyfile-syntax = "${inputs.caddyfile-syntax}/Caddyfile.sublime-syntax";
           buildSite = { prod }:
             let
-              inherit (pkgs.lib) optionalString;
+              ifStaging = pkgs.lib.optionalString (!prod);
-              ifStaging = optionalString (!prod);
-              rev = if (self ? rev) then self.rev else "dirty";
             in
             ''
               optimize-images
               zola build --drafts ${ifStaging "--base-url https://staging--mat-services.netlify.app"}
               # zola's ignored_content setting doesn't work in static/
               rm -rf public/image/_favicon.svg
-              convert public/image/favicon.svg -resize 256x256 public/favicon.ico
             '';
         in
         {
           packages.default = with pkgs; stdenv.mkDerivation {
             pname = "personal-site";
-            version = "2022-11-25";
+            version = "2022-12-21";
             src = gitignoreSource ./.;
-            nativeBuildInputs = [ imagemagick optimize-images update-date zola ];
+            nativeBuildInputs = [ optimize-images update-date zola ];
-            configurePhase = copyFonts + ''
+            configurePhase = ''
+              ${copyFonts}
               mkdir -p extra/syntax
               cp ${caddyfile-syntax} extra/syntax
             '';
@@ -54,12 +54,25 @@
           packages.staging-site = config.packages.default.overrideAttrs (_: {
             buildPhase = buildSite { prod = false; };
           });
+          pre-commit.settings.hooks = {
+            # nix hooks
+            deadnix.enable = true;
+            nix-linter.enable = true;
+            nixpkgs-fmt.enable = true;
+            statix.enable = true;
+            # general hooks
+            typos.enable = true;
+            typos.excludes = [ "webp" "png" "svg" "ico" ];
+          };
           devShells.default = with pkgs; mkShell {
-            packages = [ optimize-images update-date zola ];
+            packages = [ jsonnet netlify-cli optimize-images update-date zola ];
-            shellHook = linkFonts + ''
+            shellHook = ''
+              ${config.pre-commit.installationScript}
+              ${linkFonts}
               mkdir -p extra/syntax
               ln -snf ${caddyfile-syntax} extra/syntax
             '';
+            inputsFrom = builtins.attrValues self.checks;
           };
         };
     };

nix/fonts.nix

@@ -2,7 +2,6 @@
 , lib
 , stdenv
 , woff2
-, writeShellScriptBin
 , writeText
 }:
 let
@@ -45,7 +44,7 @@ rec {
     name = "font-${pathName name}";
     src = fetchFromGitHub {
       inherit owner repo rev sha256;
-      sparseCheckout = path;
+      sparseCheckout = [ path ];
     };
     nativeBuildInputs = [ woff2 ];
     buildPhase = ''
@@ -61,7 +60,7 @@ rec {
     font = fontDerivation fontSrc;
   };
   fonts = map fetchFont fontSrcs;
-  mkFontCss = { font, name, fileName, cssVar }:
+  mkFontCss = { name, fileName, cssVar, ... }:
     let path = pathName name; in ''
       @font-face {
         font-family: '${name}';

nix/optimize-images.nix

@@ -1,4 +1,4 @@
-{ bc, libwebp, scour, writeShellScriptBin }:
+{ bc, imagemagick, libwebp, scour, writeShellScriptBin }:
 
 writeShellScriptBin "optimize-images" ''
   shopt -s globstar nullglob
@@ -14,4 +14,5 @@ writeShellScriptBin "optimize-images" ''
     pct=$(${bc}/bin/bc <<< "scale=1; $newsize * 100 / $oldsize")
     echo "size went from "$(($oldsize / 1024))"KB to "$(($newsize / 1024))"KB ("$pct"% as large as original)"
   done
+  ${imagemagick}/bin/convert static/image/favicon.svg -resize 256x256 static/favicon.ico
 ''