Fix building with nix

.gitignore

@@ -1,5 +1,4 @@
 .jekyll-cache
 .jekyll-metadata
-Gemfile.lock
 _site
 source/.jekyll-image-optim-cache

Gemfile

@@ -2,10 +2,10 @@
 
 source "https://rubygems.org"
 
-gem "jekyll", "~> 4.3"
+gem "jekyll", "~> 4.2.2"
 gem "jekyll-toc", "~> 0.17.1"
 gem "kramdown-math-katex", "~> 1.0"
-gem "rouge", "~> 4.0"
+gem "rouge", "~> 3.0"
 gem "webrick", "~> 1.7"
 gem "image_optim", "~> 0.31.2"
 gem "image_optim_pack", "~> 0.9.1"

Gemfile.lock

@@ -0,0 +1,102 @@
+GEM
+  remote: https://rubygems.org/
+  specs:
+    addressable (2.8.1)
+      public_suffix (>= 2.0.2, < 6.0)
+    colorator (1.1.0)
+    concurrent-ruby (1.2.0)
+    em-websocket (0.5.3)
+      eventmachine (>= 0.12.9)
+      http_parser.rb (~> 0)
+    eventmachine (1.2.7)
+    execjs (2.8.1)
+    exifr (1.3.10)
+    ffi (1.15.5)
+    forwardable-extended (2.6.0)
+    fspath (3.1.2)
+    http_parser.rb (0.8.0)
+    i18n (1.12.0)
+      concurrent-ruby (~> 1.0)
+    image_optim (0.31.2)
+      exifr (~> 1.2, >= 1.2.2)
+      fspath (~> 3.0)
+      image_size (>= 1.5, < 4)
+      in_threads (~> 1.3)
+      progress (~> 3.0, >= 3.0.1)
+    image_optim_pack (0.9.1.20230129)
+      fspath (>= 2.1, < 4)
+      image_optim (~> 0.19)
+    image_size (3.2.0)
+    in_threads (1.6.0)
+    jekyll (4.2.2)
+      addressable (~> 2.4)
+      colorator (~> 1.0)
+      em-websocket (~> 0.5)
+      i18n (~> 1.0)
+      jekyll-sass-converter (~> 2.0)
+      jekyll-watch (~> 2.0)
+      kramdown (~> 2.3)
+      kramdown-parser-gfm (~> 1.0)
+      liquid (~> 4.0)
+      mercenary (~> 0.4.0)
+      pathutil (~> 0.9)
+      rouge (~> 3.0)
+      safe_yaml (~> 1.0)
+      terminal-table (~> 2.0)
+    jekyll-sass-converter (2.2.0)
+      sassc (> 2.0.1, < 3.0)
+    jekyll-toc (0.17.1)
+      jekyll (>= 3.9)
+      nokogiri (~> 1.11)
+    jekyll-watch (2.2.1)
+      listen (~> 3.0)
+    katex (0.9.0)
+      execjs (~> 2.7)
+    kramdown (2.4.0)
+      rexml
+    kramdown-math-katex (1.0.1)
+      katex (~> 0.4)
+      kramdown (~> 2.0)
+    kramdown-parser-gfm (1.1.0)
+      kramdown (~> 2.0)
+    liquid (4.0.4)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    mercenary (0.4.0)
+    nokogiri (1.14.1)
+      racc (~> 1.4)
+    pathutil (0.16.2)
+      forwardable-extended (~> 2.6)
+    progress (3.6.0)
+    psych (3.3.4)
+    public_suffix (5.0.1)
+    racc (1.6.2)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    rexml (3.2.5)
+    rouge (3.30.0)
+    safe_yaml (1.0.5)
+    sassc (2.4.0)
+      ffi (~> 1.9)
+    terminal-table (2.0.0)
+      unicode-display_width (~> 1.1, >= 1.1.1)
+    unicode-display_width (1.8.0)
+    webrick (1.8.1)
+
+PLATFORMS
+  ruby
+
+DEPENDENCIES
+  image_optim (~> 0.31.2)
+  image_optim_pack (~> 0.9.1)
+  jekyll (~> 4.2.2)
+  jekyll-toc (~> 0.17.1)
+  kramdown-math-katex (~> 1.0)
+  psych (< 4)
+  rouge (~> 3.0)
+  webrick (~> 1.7)
+
+BUNDLED WITH
+   2.1.4

gemset.nix

@@ -5,7 +5,8 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1ypdmpdn20hxp5vwxz3zc04r5xcwqc25qszdlg41h8ghdqbllwmw";
+      sha256 =
+        "bc724a176ef02118c8a3ed6b5c04c39cf59209607ffcce77b91d0261dbadedfa";
       type = "gem";
     };
     version = "2.8.1";
@@ -101,16 +102,6 @@
     };
     version = "3.1.2";
   };
-  google-protobuf = {
-    groups = ["default"];
-    platforms = [];
-    source = {
-      remotes = ["https://rubygems.org"];
-      sha256 = "1q1xvgamwmq2smwj2nj3h7npbmikp24rddp6l4nf21vqijk20s6b";
-      type = "gem";
-    };
-    version = "3.21.12";
-  };
   "http_parser.rb" = {
     groups = [ "default" ];
     platforms = [ ];
@@ -149,7 +140,7 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1h3fqx1x03mpd139wbdc1vir98mfc8324aa4z7iiykdf8pzr8yax";
+      sha256 = "n9D7iX+Z6K8vTIDt15wTYwHwtxCYzQmBsJp2rELtaYE=";
       type = "gem";
     };
     version = "0.9.1.20230129";
@@ -175,26 +166,41 @@
     version = "1.6.0";
   };
   jekyll = {
-    dependencies = ["addressable" "colorator" "em-websocket" "i18n" "jekyll-sass-converter" "jekyll-watch" "kramdown" "kramdown-parser-gfm" "liquid" "mercenary" "pathutil" "rouge" "safe_yaml" "terminal-table" "webrick"];
+    dependencies = [
+      "addressable"
+      "colorator"
+      "em-websocket"
+      "i18n"
+      "jekyll-sass-converter"
+      "jekyll-watch"
+      "kramdown"
+      "kramdown-parser-gfm"
+      "liquid"
+      "mercenary"
+      "pathutil"
+      "rouge"
+      "safe_yaml"
+      "terminal-table"
+    ];
     groups = [ "default" ];
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "0wbp9xjnjv832ksqs816napy6amp5fh8v4wbrxlpxvgakqz6scsx";
+      sha256 = "0dpvkd7i9szkps2acxbdqajn4qc9sqxxy80f3rf5dra1vj7yrhpp";
       type = "gem";
     };
-    version = "4.3.2";
+    version = "4.2.2";
   };
   jekyll-sass-converter = {
-    dependencies = ["sass-embedded"];
+    dependencies = [ "sassc" ];
     groups = [ "default" ];
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "00n9v19h0qgjijygfdkdh2gwpmdlz49nw1mqk6fnp43f317ngrz2";
+      sha256 = "077xkkkb592vg8kxdia9jwsaz1bc70lkpf4hdvazjqphn5hlz2bi";
       type = "gem";
     };
-    version = "3.0.0";
+    version = "2.2.0";
   };
   jekyll-toc = {
     dependencies = [ "jekyll" "nokogiri" ];
@@ -294,12 +300,12 @@
     version = "0.4.0";
   };
   nokogiri = {
-    dependencies = ["racc"];
+    dependencies = [ "racc" "mini_portile2" ];
     groups = [ "default" ];
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1zqakis97sd81a8xd1c96ja8h659xqq6qbp0w7i95cl22p2k9li1";
+      sha256 = "sts693acKc131fOc09C2WrEJdb3s8EvnHWg/nJq+JmM=";
       type = "gem";
     };
     version = "1.14.1";
@@ -340,7 +346,8 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "0hz0bx2qs2pwb0bwazzsah03ilpf3aai8b7lk7s35jsfzwbkjq35";
+      sha256 =
+        "65603917ff4ecb32f499f42c14951aeed2380054fa7fc51758fc0a8d455fe043";
       type = "gem";
     };
     version = "5.0.1";
@@ -391,10 +398,10 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1g77pg9q107y99zbrw5q0r8dp6vmjm1qfkb1lv0px1c4hhyxdxp7";
+      sha256 = "1dnfkrk8xx2m8r3r9m2p5xcq57viznyc09k7r3i4jbm758i57lx3";
       type = "gem";
     };
-    version = "4.0.1";
+    version = "3.30.0";
   };
   safe_yaml = {
     groups = [ "default" ];
@@ -406,8 +413,16 @@
     };
     version = "1.0.5";
   };
-  sass-embedded = {
+  sassc = {
-    dependencies = ["google-protobuf"];
+    dependencies = [ "ffi" ];
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 = "0gpqv48xhl8mb8qqhcifcp0pixn206a7imc07g48armklfqa4q2c";
+      type = "gem";
+    };
+    version = "2.4.0";
   };
   terminal-table = {
     dependencies = [ "unicode-display_width" ];
@@ -415,20 +430,20 @@
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "14dfmfjppmng5hwj7c5ka6qdapawm3h6k9lhn8zj001ybypvclgr";
+      sha256 = "18rbrh464ysqbdv53iwj0r8frshn65566kyj044cp3x9c2754jwh";
       type = "gem";
     };
-    version = "3.0.2";
+    version = "2.0.0";
   };
   unicode-display_width = {
     groups = [ "default" ];
     platforms = [ ];
     source = {
       remotes = [ "https://rubygems.org" ];
-      sha256 = "1gi82k102q7bkmfi7ggn9ciypn897ylln1jk9q67kjhr39fj043a";
+      sha256 = "1204c1jx2g89pc25qk5150mk7j5k90692i7ihgfzqnad6qni74h2";
       type = "gem";
     };
-    version = "2.4.2";
+    version = "1.8.0";
   };
   webrick = {
     groups = [ "default" ];
@@ -440,4 +455,15 @@
     };
     version = "1.8.1";
   };
+  mini_portile2 = {
+    groups = [ "default" ];
+    platforms = [ ];
+    source = {
+      remotes = [ "https://rubygems.org" ];
+      sha256 =
+        "b70e325e37a378aea68b6d78c9cdd060c66cbd2bef558d8f13a6af05b3f2c4a9";
+      type = "gem";
+    };
+    version = "2.8.1";
+  };
 }