Change from stack to nix

Author: SlimTim10

README.org

@@ -0,0 +1,50 @@
+{
+  description = "hakyll-nix-template";
+
+  nixConfig.bash-prompt = "[nix]λ ";
+
+  inputs = {
+    nixpkgs.url = "nixpkgs/nixos-21.05";
+
+    flake-utils = {
+      url = "github:numtide/flake-utils";
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+  };
+
+  outputs = { flake-utils, nixpkgs, self }:
+    flake-utils.lib.eachDefaultSystem (system:
+      let
+        config = {};
+        overlays = [ (import ./haskell-overlay.nix) ];
+        pkgs = import nixpkgs { inherit config overlays system; };
+      in rec {
+        defaultPackage = packages.website;
+        defaultApp = apps.hakyll-site;
+
+        packages = with pkgs.myHaskellPackages; { inherit ssg website; };
+
+        apps.hakyll-site = flake-utils.lib.mkApp {
+          drv = packages.ssg;
+          exePath = "/bin/hakyll-site";
+        };
+
+        devShell = 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;
+        };
+      }
+    );
+}

deploy

@@ -0,0 +1,73 @@
+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.${haskellCompiler}.override {
+      overrides = hpFinal: hpPrev:
+        let
+          hakyll-src = hpPrev.callHackage "hakyll" "4.14.0.0" {};
+          pandoc-src = hpPrev.callHackage "pandoc" "2.11.4" {}; # version specified by hayll 4.14.0.0
+          slugger-src = hpPrev.callHackageDirect {
+            pkg = "slugger";
+            ver = "0.1.0.1";
+            sha256 = "sha256-ggeo5TcbI4UlK/CtG4878USX9Cm7Faz16phdjlDOGaI=";
+          } {}; # not available yet because it's so new
+        in rec {
+          hakyll = pipe hakyll-src [
+            doJailbreak
+            dontCheck
+            (withPatch ./hakyll.patch)
+            (withFlags [ "-f" "watchServer" "-f" "previewServer" ])
+          ];
+
+          pandoc = pipe pandoc-src [
+            doJailbreak
+            dontCheck
+          ];
+
+          slugger = slugger-src;
+
+          ssg = hpPrev.callCabal2nix "ssg" ./ssg {};
+
+          website = prev.stdenv.mkDerivation {
+            #__contentAddressed = true; # uncomment if using cas: https://www.tweag.io/blog/2020-09-10-nix-cas/
+            name = "website";
+            buildInputs = [ ssg ];
+            src = prev.nix-gitignore.gitignoreSourcePure [
+              ./.gitignore
+              ".git"
+              ".github"
+            ] ./.;
+
+            # LANG and LOCALE_ARCHIVE are fixes pulled from the community:
+            #   https://github.com/jaspervdj/hakyll/issues/614#issuecomment-411520691
+            #   https://github.com/NixOS/nix/issues/318#issuecomment-52986702
+            #   https://github.com/MaxDaten/brutal-recipes/blob/source/default.nix#L24
+            LANG = "en_US.UTF-8";
+            LOCALE_ARCHIVE = prev.lib.optionalString
+              (prev.buildPlatform.libc == "glibc")
+              "${prev.glibcLocales}/lib/locale/locale-archive";
+
+            buildPhase = ''
+              hakyll-site build --verbose
+            '';
+
+            installPhase = ''
+              mkdir -p "$out/dist"
+              cp -r dist/* "$out/dist"
+            '';
+          };
+        };
+    };
+}

deploy.bat

@@ -0,0 +1,2 @@
+#!/usr/bin/env bash
+nix run . clean && nix run . watch

flake.nix

@@ -0,0 +1 @@
+include: []

haskell-overlay.nix

@@ -0,0 +1,2 @@
+User-agent: *
+Disallow:

rundev

@@ -14,22 +14,24 @@ main :: IO ()
 main = do
   E.setLocaleEncoding E.utf8
   hakyllWith config $ do
-    match "images/*" $ do
-      route   idRoute
-      compile copyFileCompiler
-
-    match "exercises/*" $ do
-      route   idRoute
-      compile copyFileCompiler
+    forM_
+      [ "CNAME"
+      , "favicon.ico"
+      , "robots.txt"
+      , "_config.yml"
+      , "images/*"
+      , "js/*"
+      , "fonts/*"
+      , "exercises/*"
+      ]
+      $ \f -> match f $ do
+        route idRoute
+        compile copyFileCompiler
 
     match "css/*" $ do
       route   idRoute
       compile compressCssCompiler
 
-    match (fromList ["CNAME"]) $ do
-      route idRoute
-      compile copyFileCompiler
-
     match (fromList ["preface.org"]) $ do
       route $ (gsubRoute "preface.org" (const "index")) `composeRoutes` (setExtension "html")
       compile $ do
@@ -68,7 +70,12 @@ main = do
 --------------------------------------------------------------------------------
 config :: Configuration
 config = defaultConfiguration
-  { destinationDirectory = "docs"
+  { destinationDirectory = "dist"
+  , previewHost = "127.0.0.1"
+  , previewPort = 8000
+  , providerDirectory = "src"
+  , storeDirectory = "ssg/_cache"
+  , tmpDirectory = "ssg/_tmp"
   }
 
 withTOC :: Pandoc.WriterOptions

CNAME src/CNAME

@@ -0,0 +1,18 @@
+cabal-version:       2.4
+
+name:                ssg
+version:             0.1.0.0
+build-type:          Simple
+license:             BSD-3-Clause
+license-file:        LICENSE
+
+executable hakyll-site
+  main-is:           Main.hs
+  hs-source-dirs:    src
+  build-depends:     base >= 4.8
+                   , hakyll >= 4.14
+                   , pandoc == 2.11.*
+                   , slugger >= 0.1.0.1
+                   , text >= 1.2
+  ghc-options:       -Wall -threaded
+  default-language:  Haskell2010