Revamp:

- Switch from `cabal2nix` and haskell overlay to `developPackage`
- Restructure directories to have more descriptive names
- Fix `nix run`

flake.lock

@@ -2,16 +2,16 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1667254466,
-        "narHash": "sha256-YrMQzDVOo+uz5gg1REj2q/uVhJE3WcpkqGiMzh3Da3o=",
+        "lastModified": 1678426640,
+        "narHash": "sha256-3Q4KN0XAXQT7YE3A8n3LzLtRNUCo0U++W3gl+5NhKHs=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "1b4722674c315de0e191d0d79790b4eac51570a1",
+        "rev": "824f886682fc893e6dbf27114e5001ebf2770ea1",
         "type": "github"
       },
       "original": {
         "id": "nixpkgs",
-        "ref": "nixos-22.05",
+        "ref": "nixos-22.11",
         "type": "indirect"
       }
     },

flake.nix

@@ -1,54 +1,55 @@
 {
-  description = "hakyll-nix-template";
+  inputs.nixpkgs.url = "nixpkgs/nixos-22.11";
 
-  nixConfig.bash-prompt = "[nix]λ ";
-
-  inputs.nixpkgs.url = "nixpkgs/nixos-22.05";
-
-  outputs = { nixpkgs, self }: let
+  outputs = { self, nixpkgs }: let
     system = "x86_64-linux";
-    overlays = [ (import ./nix/haskell-overlay.nix) ];
-    pkgs = import nixpkgs { inherit overlays system; };
+    pkgs = nixpkgs.legacyPackages.${system};
   in {
-    overlays = {
-      haskell-overlay = import ./nix/haskell-overlay.nix;
-      default = self.overlays.haskell-overlay;
-    };
+    packages.${system} = {
+      static-site-generator = pkgs.haskellPackages.developPackage {
+        name = "static-site-generator";
+        root = ./.;
+      };
 
-    packages.${system} = with pkgs.myHaskellPackages; {
-      inherit ssg website;
-      default = website;
+      default = self.packages.${system}.website;
+      website = pkgs.stdenvNoCC.mkDerivation {
+        name = "website";
+        buildInputs = with pkgs; [
+          self.packages.${system}.static-site-generator
+          graphviz
+        ];
+
+        src = pkgs.nix-gitignore.gitignoreSourcePure [
+          ".gitignore"
+          ".git"
+          ".github"
+        ] ./.;
+
+        buildPhase = ''
+          hakyll-site build --verbose
+        '';
+
+        installPhase = ''
+          cp -r dist "$out"
+        '';
+      };
     };
 
     apps.${system} = {
-      hakyll-site = let
-        drv = self.packages.${system}.ssg;
-        exePath = "/bin/hakyll-site";
+      default = self.apps.${system}.watch-hakyll-site;
+      watch-hakyll-site = let
+        ssg = self.packages.${system}.static-site-generator;
+        drv = pkgs.writeScriptBin "watch-hakyll-site" ''
+          ${ssg}/bin/static-site-generator watch
+        '';
       in {
         type = "app";
-        program = "${drv}${exePath}";
+        program = "${drv}/bin/watch-hakyll-site";
       };
-      default = self.apps.${system}.hakyll-site;
-    };
-
-    devShells.${system}.default = pkgs.myHaskellPackages.shellFor {
-      packages = p: [ p.ssg ];
-
-      buildInputs = with pkgs.myHaskellPackages; [
-        # ssg
-
-        # Helpful tools for `nix develop` shells
-        ghcid                   # https://github.com/ndmitchell/ghcid
-        haskell-language-server # https://github.com/haskell/haskell-language-server
-        hlint                   # https://github.com/ndmitchell/hlint
-        ormolu                  # https://github.com/tweag/ormolu
-      ];
-
-      withHoogle = true;
     };
 
     hydraJobs = {
-      ssg.${system} = self.packages.${system}.ssg;
+      static-site-generator.${system} = self.packages.${system}.static-site-generator;
       website.${system} = self.packages.${system}.website;
     };
   };

nix/haskell-overlay.nix

@@ -1,68 +0,0 @@
-final: prev:
-  let
-    inherit (prev.stdenv) mkDerivation;
-    inherit (prev.lib.trivial) flip pipe;
-    inherit (prev.haskell.lib)
-      appendPatch
-      appendConfigureFlags
-      dontCheck
-      doJailbreak;
-
-    withPatch = flip appendPatch;
-    withFlags = flip appendConfigureFlags;
-
-    haskellCompiler = "ghc884";
-  in {
-    myHaskellPackages = prev.haskell.packages.${haskellCompiler}.override {
-      overrides = hpFinal: hpPrev:
-        rec {
-          hakyll = pipe hpPrev.hakyll [
-            doJailbreak
-            dontCheck
-            # (withPatch ./hakyll.patch)
-            (withFlags [ "-f" "watch" ])
-          ];
-
-          pandoc = pipe hpPrev.pandoc [
-            doJailbreak
-            dontCheck
-          ];
-
-          slugger = hpPrev.slugger;
-
-          ssg = hpPrev.callCabal2nix "ssg" ../ssg {};
-
-          website = prev.stdenv.mkDerivation {
-            #__contentAddressed = true; # uncomment if using cas: https://www.tweag.io/blog/2020-09-10-nix-cas/
-            name = "website";
-            buildInputs = [
-              ssg
-              final.graphviz
-            ];
-            src = prev.nix-gitignore.gitignoreSourcePure [
-              ../.gitignore
-              "../.git"
-              "../.github"
-            ] ../.;
-
-            # LANG and LOCALE_ARCHIVE are fixes pulled from the community:
-            #   https://github.com/jaspervdj/hakyll/issues/614#issuecomment-411520691
-            #   https://github.com/NixOS/nix/issues/318#issuecomment-52986702
-            #   https://github.com/MaxDaten/brutal-recipes/blob/source/default.nix#L24
-            LANG = "en_US.UTF-8";
-            LOCALE_ARCHIVE = prev.lib.optionalString
-              (prev.buildPlatform.libc == "glibc")
-              "${prev.glibcLocales}/lib/locale/locale-archive";
-
-            buildPhase = ''
-              hakyll-site build --verbose
-            '';
-
-            installPhase = ''
-              mkdir -p "$out"
-              cp -r dist/* "$out"
-            '';
-          };
-        };
-    };
-}

nix/pure-css/default.nix

@@ -1,55 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-
-with pkgs.stdenv.lib;
-
-let
-
-  name = "pure-css";
-  version = "v2.0.6";
-
-  # pull in the code for building npm packages
-  nodePackages = import ./npm-packages.nix {
-    inherit pkgs;
-    inherit (pkgs) stdenv nodejs fetchurl fetchgit;
-    neededNatives = [ pkgs.python ] ++ pkgs.lib.optional
-pkgs.stdenv.isLinux pkgs.utillinux;
-    self = nodePackages;
-  };
-
-  buildModules = [
-     nodePackages."bower"
-     nodePackages."grunt"
-     nodePackages."grunt-cli"
-     nodePackages."grunt-contrib-cssmin"
-     nodePackages."grunt-contrib-clean"
-     nodePackages."grunt-contrib-copy"
-     nodePackages."grunt-contrib-concat"
-     nodePackages."grunt-contrib-compress"
-     nodePackages."grunt-contrib-csslint"
-     nodePackages."grunt-contrib-watch"
-     nodePackages."grunt-css-selectors"
-     nodePackages."grunt-pure-grids"
-     nodePackages."grunt-stripmq"
-  ];
-
-in pkgs.stdenv.mkDerivation {
-
-  name = "${name}-${version}";
-
-  src = pkgs.fetchgit {
-    url = https://github.com/pure-css/pure;
-    rev = "refs/tags/v2.0.6";
-    sha256 =
-"049ac2ef812771852978d11cd5aecac2dd561e97bb16ad89c79eb1e10aa57672";
-  };
-
-  buildInputs = buildModules;
-
-  buildCommand = ''
-    cp -r $src src
-    chmod +w src
-    cd src
-    grunt
-  '';
-
-}

nix/pure-css/npm-packages.nix

@@ -1,30 +0,0 @@
-{ pkgs, stdenv, nodejs, fetchurl, fetchgit, neededNatives, self }:
-
-rec {
-
-  nativeDeps = {};
-
-  buildNodePackage = import
-"${pkgs.path}/pkgs/development/web/nodejs/build-node-package.nix" {
-    inherit stdenv nodejs neededNatives;
-    inherit (pkgs) runCommand;
-  };
-
-  patchSource = fn: srcAttrs:
-    let src = fn srcAttrs; in pkgs.runCommand src.name {} ''
-      mkdir unpack
-      cd unpack
-      unpackFile ${src}
-      chmod -R +w */
-      mv */ package 2>/dev/null || true
-      sed -i -e "s/:\s*\"latest\"/:  \"*\"/" -e
-"s/:\s*\"\(https\?\|git\(\+\(ssh\|http\|https\)\)\?\):\/\/[^\"]*\"/:
-\"*\"/" package/package.json
-      mv */ $out
-    '';
-
-  # Backwards compat
-  patchLatest = patchSource fetchurl;
-
-} // import ./purecss-npm-generated.nix { inherit self fetchurl fetchgit;
-inherit (pkgs) lib; }

ssg/LICENSE

@@ -1,29 +0,0 @@
-BSD 3-Clause License
-
-Copyright (c) 2020, Robert Pearce
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are met:
-
-1. Redistributions of source code must retain the above copyright notice, this
-   list of conditions and the following disclaimer.
-
-2. Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
-
-3. Neither the name of the copyright holder nor the names of its
-   contributors may be used to endorse or promote products derived from
-   this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

static-site-generator.cabal

@@ -1,14 +1,14 @@
 cabal-version:       2.4
 
-name:                ssg
+name:                static-site-generator
 version:             0.1.0.0
 build-type:          Simple
 license:             BSD-3-Clause
 license-file:        LICENSE
 
-executable hakyll-site
+executable static-site-generator
   main-is:          Main.hs
-  hs-source-dirs:   src
+  hs-source-dirs:   static-site-generator
   build-depends:    base >= 4.8
                   , hakyll >= 4.15
                   , pandoc >= 2.14

static-site-generator/Main.hs

@@ -38,7 +38,7 @@ root =
 
 siteName :: String
 siteName =
-  "Nani~"
+  "Nani"
 
 config :: Configuration
 config =
@@ -47,9 +47,9 @@ config =
     , ignoreFile = const False
     , previewHost = "127.0.0.1"
     , previewPort = 8000
-    , providerDirectory = "src"
-    , storeDirectory = "ssg/_cache"
-    , tmpDirectory = "ssg/_tmp"
+    , providerDirectory = "www"
+    , storeDirectory = "/tmp/nani-wtf-hakyll/store"
+    , tmpDirectory = "/tmp/nani-wtf-hakyll/tmp"
     }
 
 --------------------------------------------------------------------------------
@@ -57,7 +57,7 @@ config =
 
 main :: IO ()
 main = hakyllWith config $ do
-  fileHashes <- preprocess (mapKeys (fromFilePath . drop 4 . toFilePath) <$> mkFileHashes "src/posts")
+  fileHashes <- preprocess (mapKeys (fromFilePath . drop 4 . toFilePath) <$> mkFileHashes "www/posts")
 
   forM_
     [ "CNAME"