Update blog

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

build/builder.sh

@@ -1,20 +1,44 @@
 source $stdenv/setup
 
+# Set up Ruby to use UTF-8
+export RUBYOPT="-KU -E utf-8:utf-8"
+
 # Copy files to a mutable directory.
 cp -r $src/* .
+# We'll generate some static files so make static writable
+# We also store the code HTML files alongside Agda code, so make 'code' writable too
+mkdir -p static && chmod -R u+w static code
 
-# Hugo can't set baseUrl via CLI for multi-lingual hosts.
+# We host some static files (KaTeX CSS in production) on
-# We have to manually edit the configuration.
+# static.danilafe.com. However, we can just bundle them here instead!
-sed -i "$urlSub" config.toml
+# Configure Hugo to do so by writing the expected final paths to config-urls.toml
+echo '[params]' >> config-urls.toml
+echo 'katexCssUrl = "/katex/katex.min.css"' >> config-urls.toml
+echo 'normalizeCssUrl = "/normalize/normalize.css"' >> config-urls.toml
+echo 'visNetworkJsUrl = "/vis-network/vis-network.min.js"' >> config-urls.toml
+echo 'bergamotJsUrl = "/bergamot/bergamot.js"' >> config-urls.toml
+echo 'katexJsUrl = "/katex/katex.min.js"' >> config-urls.toml
+echo 'resumeStaticFile = "/Resume-Danila-Fedorin.pdf"' >> config-urls.toml
 
 # Build site with Hugo
-hugo $extraFlags
+hugo $hugoFlags --config=config.toml,config-urls.toml
+
+# Create/copy generated files
+# Can't do submodules because nix flake inputs get their .git deleted
+mkdir -p static/graph && ruby ./analyze.rb > static/graph/graph.gen.js # Graph files
+stork build --input public/index.toml --output static/index.st # Search index
+cp $resume/Resume-Danila-Fedorin.pdf static/Resume-Danila-Fedorin.pdf
+cp -r $webFiles/* static/
+cp -r $agdaHtml/* code/
+
+# Static folder changed, re-run Hugo
+hugo $hugoFlags --config=config.toml,config-urls.toml
 
 # Output result
 mkdir $out
 cp -r public/$publicPath/* $out/
 
-# Render math in HTML and XML files.
+# Do post-processing of HTML files: render math and link up Agda code
-node $server &
+htmlfiles=$(find $out/ -regex "$out/.*\.html")
-sleep 1
+echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./convert.rb --katex-js-file static/katex/katex.min.js
-find $out/ -regex "$out/.*\.html" | xargs ruby $converter
+echo $htmlfiles | xargs ${gems}/bin/bundle exec ${ruby}/bin/ruby ./agda.rb

build/convert.rb

@@ -1,36 +0,0 @@
-require "open3"
-require "nokogiri"
-require "net/http"
-require "json"
-
-def render_cached(cache, display, string, render_comment = nil)
-  cache.fetch(string) do |new|
-    puts "  Rendering #{render_comment || new}"
-    res = Net::HTTP.post URI("http://localhost:8000/render"),
-      { :equations => [ { :str => string, :display => display } ] }.to_json,
-       "Content-Type" => "application/json"
-    cache[string] = JSON.parse(res.body)[0]
-  end
-end
-
-def perform_katex_sub(inline_cache, display_cache, content)
-  rendered = content.gsub /\\\(((?:[^\\]|\\[^\)])*)\\\)/ do |match|
-    render_cached(inline_cache, false, $~[1])
-  end
-  rendered = rendered.gsub /\$\$((?:[^\$]|$[^\$])*)\$\$/ do |match|
-    render_cached(display_cache, true, $~[1], "display")
-  end
-  return rendered
-end
-
-files = ARGV[0..-1]
-inline_cache, display_cache = {}, {}
-
-files.each do |file|
-  puts "Rendering file: #{file}"
-  document = Nokogiri::HTML.parse(File.open(file))
-  document.search('//*[not(ancestor-or-self::code)]/text()').each do |t|
-    t.replace(perform_katex_sub(inline_cache, display_cache, t.content))
-  end
-  File.write(file, document.to_html(encoding: 'UTF-8'))
-end

build/katexserver.js

@@ -1,11 +0,0 @@
-const katex = require('katex');
-const express = require('express');
-const bodyParser = require('body-parser');
-
-app = express();
-app.use(bodyParser.json());
-app.post('/render', (req, res) => {
-    res.send(req.body.equations.map(eq =>
-        katex.renderToString(eq.str, { throwOnError: false, displayMode: eq.display })));
-});
-app.listen(8000);

default.nix

@@ -1,58 +0,0 @@
-{ blog-source, blog-source-localized, pkgs }:
-
-with pkgs;
-
-let
-  requiredPackages = import ./required-packages.nix { inherit pkgs nodejs; };
-  website = settings: stdenv.mkDerivation {
-    name = "blog-static";
-    version = settings.source.rev;
-    src = settings.source;
-    urlSub =
-      let
-        regexEscape = lib.escape [ "/" "(" ")" "[" "]" "+" "*" "\\" ];
-      in
-        if (settings ? replaceUrl)
-        then (with settings.replaceUrl; "s/${regexEscape from}/${regexEscape to}/g")
-        else "";
-    publicPath = settings.path;
-    extraFlags = if settings.drafts then " -D " else "";
-    builder = ./build/builder.sh;
-    converter = ./build/convert.rb;
-    server = ./build/katexserver.js;
-    buildInputs = [
-      hugo nodejs
-      requiredPackages."katex-0.11.1"
-      requiredPackages.express
-      requiredPackages.body-parser
-      (ruby.withPackages (ps: [ ps.nokogiri ]))
-    ];
-  };
-in
-  {
-    english = website {
-      source = blog-source;
-      path = ".";
-      drafts = false;
-    };
-    drafts = {
-      english = website {
-        source = blog-source;
-        path = ".";
-        drafts = true;
-        replaceUrl = {
-          from = "https://danilafe.com";
-          to = "http://drafts.danilafe.com";
-        }; 
-      };
-      russian = website {
-        source = blog-source-localized;
-        path = "ru";
-        drafts = true;
-        replaceUrl = {
-          from = "https://ru.danilafe.com";
-          to = "http://drafts.ru.danilafe.com";
-        }; 
-      };
-    };
-  }

flake.lock

@@ -1,13 +1,33 @@
 {
   "nodes": {
+    "bergamot-elm": {
+      "inputs": {
+        "flake-utils": "flake-utils_3",
+        "nixpkgs": "nixpkgs_3"
+      },
+      "locked": {
+        "lastModified": 1726443187,
+        "narHash": "sha256-+RUwu1zldAW+iJtXiQHwlhRSxWeyvfuwiQG20ot/6N0=",
+        "ref": "main",
+        "rev": "c77bb6f900f2ca4a1a916e66adf564032956cb6b",
+        "revCount": 93,
+        "type": "git",
+        "url": "https://dev.danilafe.com/Everything-I-Know-About-Types/bergamot-elm.git"
+      },
+      "original": {
+        "ref": "main",
+        "type": "git",
+        "url": "https://dev.danilafe.com/Everything-I-Know-About-Types/bergamot-elm.git"
+      }
+    },
     "blog-source": {
       "flake": false,
       "locked": {
-        "lastModified": 1633318614,
+        "lastModified": 1726456204,
-        "narHash": "sha256-P3FZni6F2+jQoPD8gCi1DZMSqei55Ft7vuqs8rCm9ls=",
+        "narHash": "sha256-8r+6f1329IuVoOEqsxZx6nzXw9KCNn56fj6l4mazB1U=",
-        "ref": "master",
+        "ref": "refs/heads/master",
-        "rev": "72259c16a9d7f87a79660731c483968a00260ad4",
+        "rev": "77dade1d1dbdd819ce5b7e0d71950c0eda69acf4",
-        "revCount": 509,
+        "revCount": 856,
         "submodules": true,
         "type": "git",
         "url": "https://dev.danilafe.com/Web-Projects/blog-static.git"
@@ -18,32 +38,64 @@
         "url": "https://dev.danilafe.com/Web-Projects/blog-static.git"
       }
     },
-    "blog-source-localized": {
-      "flake": false,
-      "locked": {
-        "lastModified": 1599463261,
-        "narHash": "sha256-n6e4uRiOsWuOL7DSzbuP9X8cZNLnKOD/2/eOT0aB+Io=",
-        "ref": "localization",
-        "rev": "0b5748cc5a19b5d1d78bfcfa58d4027cc10524dd",
-        "revCount": 367,
-        "submodules": true,
-        "type": "git",
-        "url": "https://dev.danilafe.com/Web-Projects/blog-static.git"
-      },
-      "original": {
-        "ref": "localization",
-        "submodules": true,
-        "type": "git",
-        "url": "https://dev.danilafe.com/Web-Projects/blog-static.git"
-      }
-    },
     "flake-utils": {
       "locked": {
-        "lastModified": 1634851050,
+        "lastModified": 1648297722,
-        "narHash": "sha256-N83GlSGPJJdcqhUxSCS/WwW5pksYf3VP1M13cDRTSVA=",
+        "narHash": "sha256-W+qlPsiZd8F3XkzXOzAoR+mpFqzm3ekQkJNa+PIh1BQ=",
         "owner": "numtide",
         "repo": "flake-utils",
-        "rev": "c91f3de5adaf1de973b797ef7485e441a65b8935",
+        "rev": "0f8662f1319ad6abf89b3380dd2722369fc51ade",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_2": {
+      "locked": {
+        "lastModified": 1676283394,
+        "narHash": "sha256-XX2f9c3iySLCw54rJ/CZs+ZK6IQy7GXNY4nSOyu2QG4=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "3db36a8b464d0c4532ba1c7dda728f4576d6d073",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_3": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "flake-utils_4": {
+      "inputs": {
+        "systems": "systems_2"
+      },
+      "locked": {
+        "lastModified": 1694529238,
+        "narHash": "sha256-zsNZZGTGnMOf9YpHKJqMSsa0dXbfmxeoJ7xHlrt+xmY=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "ff7b65b44d01cf9ba6a71320833626af21126384",
         "type": "github"
       },
       "original": {
@@ -54,11 +106,59 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1634881110,
+        "lastModified": 1715534503,
-        "narHash": "sha256-glFqhVeqPuT99vfKrOH7lmJDrgwP99KJJSFpgpyvbko=",
+        "narHash": "sha256-5ZSVkFadZbFP1THataCaSf0JH2cAH3S29hU9rrxTEqk=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "22e732d03cc5b76dfd4c81f7dc523ad65a795d2b",
+        "rev": "2057814051972fa1453ddfb0d98badbea9b83c06",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1676718858,
+        "narHash": "sha256-giQecvcifVLNHCC9lMfTGP09tNxXhOMw+d/aql7MhRw=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "e6d5772f3515b8518d50122471381feae7cbae36",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-22.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1701068326,
+        "narHash": "sha256-vmMceA+q6hG1yrjb+MP8T0YFDQIrW3bl45e7z24IEts=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "8cfef6986adfb599ba379ae53c9f5631ecd2fd9c",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_4": {
+      "locked": {
+        "lastModified": 1701319520,
+        "narHash": "sha256-xVghb4ELbEtJUdEmB4PR+sq/aoNP0VEcM6GczDh+Zss=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "db77de49336382a33b9490a88ba3fe483e2b605f",
         "type": "github"
       },
       "original": {
@@ -67,12 +167,82 @@
         "type": "github"
       }
     },
+    "resume": {
+      "inputs": {
+        "flake-utils": "flake-utils_2",
+        "nixpkgs": "nixpkgs_2"
+      },
+      "locked": {
+        "lastModified": 1691357458,
+        "narHash": "sha256-kFdV5FUPCW7xNS8xonzHb8MgVjwu0PR5rZNuAQQE7Yw=",
+        "ref": "master",
+        "rev": "c756fd5efaeb7d4484d535cd2fe3038491fc2550",
+        "revCount": 57,
+        "type": "git",
+        "url": "https://dev.danilafe.com/DanilaFe/resume"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://dev.danilafe.com/DanilaFe/resume"
+      }
+    },
     "root": {
       "inputs": {
         "blog-source": "blog-source",
-        "blog-source-localized": "blog-source-localized",
         "flake-utils": "flake-utils",
-        "nixpkgs": "nixpkgs"
+        "nixpkgs": "nixpkgs",
+        "resume": "resume",
+        "web-files": "web-files"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "systems_2": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    },
+    "web-files": {
+      "inputs": {
+        "bergamot-elm": "bergamot-elm",
+        "flake-utils": "flake-utils_4",
+        "nixpkgs": "nixpkgs_4"
+      },
+      "locked": {
+        "lastModified": 1726443287,
+        "narHash": "sha256-SNXm4+sWjWMfcoN9EWjB52QLQBP3OLc3hMhwDykWikA=",
+        "ref": "refs/heads/master",
+        "rev": "86e8832d1a16652e5eabfd2881994b40ce122472",
+        "revCount": 11,
+        "type": "git",
+        "url": "https://dev.danilafe.com/Nix-Configs/web-files.git"
+      },
+      "original": {
+        "type": "git",
+        "url": "https://dev.danilafe.com/Nix-Configs/web-files.git"
       }
     }
   },

flake.nix

@@ -1,38 +1,30 @@
 {
   inputs = {
-    nixpkgs.url = "github:nixos/nixpkgs";
+    nixpkgs.url = "github:nixos/nixpkgs/nixos-unstable";
     flake-utils.url = "github:numtide/flake-utils";
+    resume.url = "git+https://dev.danilafe.com/DanilaFe/resume"; 
     blog-source = {
       flake = false;
       url = "https://dev.danilafe.com/Web-Projects/blog-static.git";
       type = "git";
       submodules = true;
     };
-    blog-source-localized = {
+    web-files.url = "git+https://dev.danilafe.com/Nix-Configs/web-files.git";
-      flake = false;
-      url = "https://dev.danilafe.com/Web-Projects/blog-static.git";
-      ref = "localization";
-      type = "git";
-      submodules = true;
-    };
   };
 
-  outputs = { self, blog-source, blog-source-localized, nixpkgs, flake-utils }:
+  outputs = { self, blog-source, nixpkgs, flake-utils, resume, web-files }:
-    flake-utils.lib.eachDefaultSystem (
+    flake-utils.lib.eachDefaultSystem (system:
-      system:
       let
+        lib = import ./lib.nix {
+          inherit blog-source;
           pkgs = import nixpkgs { inherit system; };
-          blog = import ./default.nix {
+          resume = resume.defaultPackage.${system};
-            inherit blog-source blog-source-localized pkgs;
+	  web-files = web-files.defaultPackage.${system};
         };
       in
         {
-            packages = {
+          inherit lib;
-              english = blog.english;
+          defaultPackage = lib.english { host = "danilafe.com"; };
-              "drafts/russian" = blog.drafts.russian;
-              "drafts/english" = blog.drafts.english;
-            };
-            defaultPackage = blog.english;
         }
     );
 }

gemset.nix

@@ -0,0 +1,53 @@
+{
+  duktape = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1nrhvxbhflf2lrd8v4rphsf0lwg0lvfws2i0cpq8s0xxgh4lviia";
+      type = "gem";
+    };
+    version = "2.7.0.0";
+  };
+  execjs = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "1yywajqlpjhrj1m43s3lfg3i4lkb6pxwccmwps7qw37ndmphdzg8";
+      type = "gem";
+    };
+    version = "2.9.1";
+  };
+  mini_portile2 = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "149r94xi6b3jbp6bv72f8383b95ndn0p5sxnq11gs1j9jadv0ajf";
+      type = "gem";
+    };
+    version = "2.8.6";
+  };
+  nokogiri = {
+    dependencies = ["mini_portile2" "racc"];
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "023f2j0q8makgmmfj4pv2fhwgcbh9y8s678za1cb68ry9fdpkkkh";
+      type = "gem";
+    };
+    version = "1.15.6";
+  };
+  racc = {
+    groups = ["default"];
+    platforms = [];
+    source = {
+      remotes = ["https://rubygems.org"];
+      sha256 = "021s7maw0c4d9a6s07vbmllrzqsj2sgmrwimlh8ffkvwqdjrld09";
+      type = "gem";
+    };
+    version = "1.8.0";
+  };
+}

lib.nix

@@ -0,0 +1,79 @@
+{ pkgs, blog-source, web-files, resume }:
+
+with pkgs;
+with lib;
+
+let
+  protocol = ssl: if ssl then "https://" else "http://";
+  gems = settings: bundlerEnv {
+    inherit ruby;
+
+    name = "blog-static-flake";
+    gemfile = "${settings.src}/Gemfile";
+    lockfile = "${settings.src}/Gemfile.lock";
+    gemset = ./gemset.nix;
+  };
+
+  # --- Building Agda HTML ---
+  agdaEnv = agda.withPackages [ agdaPackages.standard-library ];
+  agdaHtml = settings:
+    let
+      # Create content-addresed versions of the scripts in the Nix store to
+      # avoid throwing off memoization for unrelated changes.
+      agdaBuildScript = builtins.toFile "build-agda-html.rb" (builtins.readFile "${settings.src}/build-agda-html.rb");
+      submoduleDataFile = builtins.toFile "submodules.json" (builtins.readFile "${settings.src}/data/submodules.json");
+      codeRoot = pkgs.lib.cleanSource "${settings.src}/code";
+      agdaCommand = pkgs.lib.escapeShellArg "agda -l standard-library -i . ";
+    in
+      stdenv.mkDerivation {
+        name = "blog-static-agda-html";
+        buildInputs = [ ruby agdaEnv ];
+        builder = builtins.toFile "builder.sh" "
+        source $stdenv/setup
+        mkdir -p code $out
+        cp -r ${codeRoot}/* code/
+        chmod -R u+w code
+        ruby ${agdaBuildScript} --data-file=${submoduleDataFile} --target-dir=$out ${agdaCommand}
+        ";
+      };
+
+  website = settings: stdenv.mkDerivation {
+    inherit (settings) src ssl host;
+    inherit resume ruby;
+    name = "blog-static";
+    version = settings.src.rev or "dirty";
+    publicPath = settings.path;
+    hugoFlags = concatStringsSep " " (
+      optionals settings.drafts (singleton "-D") ++
+      [ "--baseURL=${protocol settings.ssl + settings.host}" ]
+    );
+    builder = ./build/builder.sh;
+    webFiles = web-files;
+    gems = gems settings;
+    agdaHtml = agdaHtml settings;
+    buildInputs = [
+      hugo ruby stork agdaEnv
+    ];
+  };
+in
+  {
+    english = settings: website {
+      inherit (settings) host;
+      ssl = settings.ssl or false;
+      drafts = settings.drafts or false;
+      src = blog-source;
+      path = ".";
+    };
+    virtualHostFor = package:
+      {
+        "${package.host}" = mkMerge [
+          {
+            root = package;
+          }
+          (mkIf (package.ssl) {
+            forceSSL = true;
+            enableACME = true;
+          })
+        ];
+      };
+  }

node-env.nix

@@ -1,567 +0,0 @@
-# This file originates from node2nix
-
-{lib, stdenv, nodejs, python2, pkgs, libtool, runCommand, writeTextFile}:
-
-let
-  # Workaround to cope with utillinux in Nixpkgs 20.09 and util-linux in Nixpkgs master
-  utillinux = if pkgs ? utillinux then pkgs.utillinux else pkgs.util-linux;
-
-  python = if nodejs ? python then nodejs.python else python2;
-
-  # Create a tar wrapper that filters all the 'Ignoring unknown extended header keyword' noise
-  tarWrapper = runCommand "tarWrapper" {} ''
-    mkdir -p $out/bin
-
-    cat > $out/bin/tar <<EOF
-    #! ${stdenv.shell} -e
-    $(type -p tar) "\$@" --warning=no-unknown-keyword --delay-directory-restore
-    EOF
-
-    chmod +x $out/bin/tar
-  '';
-
-  # Function that generates a TGZ file from a NPM project
-  buildNodeSourceDist =
-    { name, version, src, ... }:
-
-    stdenv.mkDerivation {
-      name = "node-tarball-${name}-${version}";
-      inherit src;
-      buildInputs = [ nodejs ];
-      buildPhase = ''
-        export HOME=$TMPDIR
-        tgzFile=$(npm pack | tail -n 1) # Hooks to the pack command will add output (https://docs.npmjs.com/misc/scripts)
-      '';
-      installPhase = ''
-        mkdir -p $out/tarballs
-        mv $tgzFile $out/tarballs
-        mkdir -p $out/nix-support
-        echo "file source-dist $out/tarballs/$tgzFile" >> $out/nix-support/hydra-build-products
-      '';
-    };
-
-  includeDependencies = {dependencies}:
-    lib.optionalString (dependencies != [])
-      (lib.concatMapStrings (dependency:
-        ''
-          # Bundle the dependencies of the package
-          mkdir -p node_modules
-          cd node_modules
-
-          # Only include dependencies if they don't exist. They may also be bundled in the package.
-          if [ ! -e "${dependency.name}" ]
-          then
-              ${composePackage dependency}
-          fi
-
-          cd ..
-        ''
-      ) dependencies);
-
-  # Recursively composes the dependencies of a package
-  composePackage = { name, packageName, src, dependencies ? [], ... }@args:
-    builtins.addErrorContext "while evaluating node package '${packageName}'" ''
-      DIR=$(pwd)
-      cd $TMPDIR
-
-      unpackFile ${src}
-
-      # Make the base dir in which the target dependency resides first
-      mkdir -p "$(dirname "$DIR/${packageName}")"
-
-      if [ -f "${src}" ]
-      then
-          # Figure out what directory has been unpacked
-          packageDir="$(find . -maxdepth 1 -type d | tail -1)"
-
-          # Restore write permissions to make building work
-          find "$packageDir" -type d -exec chmod u+x {} \;
-          chmod -R u+w "$packageDir"
-
-          # Move the extracted tarball into the output folder
-          mv "$packageDir" "$DIR/${packageName}"
-      elif [ -d "${src}" ]
-      then
-          # Get a stripped name (without hash) of the source directory.
-          # On old nixpkgs it's already set internally.
-          if [ -z "$strippedName" ]
-          then
-              strippedName="$(stripHash ${src})"
-          fi
-
-          # Restore write permissions to make building work
-          chmod -R u+w "$strippedName"
-
-          # Move the extracted directory into the output folder
-          mv "$strippedName" "$DIR/${packageName}"
-      fi
-
-      # Unset the stripped name to not confuse the next unpack step
-      unset strippedName
-
-      # Include the dependencies of the package
-      cd "$DIR/${packageName}"
-      ${includeDependencies { inherit dependencies; }}
-      cd ..
-      ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
-    '';
-
-  pinpointDependencies = {dependencies, production}:
-    let
-      pinpointDependenciesFromPackageJSON = writeTextFile {
-        name = "pinpointDependencies.js";
-        text = ''
-          var fs = require('fs');
-          var path = require('path');
-
-          function resolveDependencyVersion(location, name) {
-              if(location == process.env['NIX_STORE']) {
-                  return null;
-              } else {
-                  var dependencyPackageJSON = path.join(location, "node_modules", name, "package.json");
-
-                  if(fs.existsSync(dependencyPackageJSON)) {
-                      var dependencyPackageObj = JSON.parse(fs.readFileSync(dependencyPackageJSON));
-
-                      if(dependencyPackageObj.name == name) {
-                          return dependencyPackageObj.version;
-                      }
-                  } else {
-                      return resolveDependencyVersion(path.resolve(location, ".."), name);
-                  }
-              }
-          }
-
-          function replaceDependencies(dependencies) {
-              if(typeof dependencies == "object" && dependencies !== null) {
-                  for(var dependency in dependencies) {
-                      var resolvedVersion = resolveDependencyVersion(process.cwd(), dependency);
-
-                      if(resolvedVersion === null) {
-                          process.stderr.write("WARNING: cannot pinpoint dependency: "+dependency+", context: "+process.cwd()+"\n");
-                      } else {
-                          dependencies[dependency] = resolvedVersion;
-                      }
-                  }
-              }
-          }
-
-          /* Read the package.json configuration */
-          var packageObj = JSON.parse(fs.readFileSync('./package.json'));
-
-          /* Pinpoint all dependencies */
-          replaceDependencies(packageObj.dependencies);
-          if(process.argv[2] == "development") {
-              replaceDependencies(packageObj.devDependencies);
-          }
-          replaceDependencies(packageObj.optionalDependencies);
-
-          /* Write the fixed package.json file */
-          fs.writeFileSync("package.json", JSON.stringify(packageObj, null, 2));
-        '';
-      };
-    in
-    ''
-      node ${pinpointDependenciesFromPackageJSON} ${if production then "production" else "development"}
-
-      ${lib.optionalString (dependencies != [])
-        ''
-          if [ -d node_modules ]
-          then
-              cd node_modules
-              ${lib.concatMapStrings (dependency: pinpointDependenciesOfPackage dependency) dependencies}
-              cd ..
-          fi
-        ''}
-    '';
-
-  # Recursively traverses all dependencies of a package and pinpoints all
-  # dependencies in the package.json file to the versions that are actually
-  # being used.
-
-  pinpointDependenciesOfPackage = { packageName, dependencies ? [], production ? true, ... }@args:
-    ''
-      if [ -d "${packageName}" ]
-      then
-          cd "${packageName}"
-          ${pinpointDependencies { inherit dependencies production; }}
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
-      fi
-    '';
-
-  # Extract the Node.js source code which is used to compile packages with
-  # native bindings
-  nodeSources = runCommand "node-sources" {} ''
-    tar --no-same-owner --no-same-permissions -xf ${nodejs.src}
-    mv node-* $out
-  '';
-
-  # Script that adds _integrity fields to all package.json files to prevent NPM from consulting the cache (that is empty)
-  addIntegrityFieldsScript = writeTextFile {
-    name = "addintegrityfields.js";
-    text = ''
-      var fs = require('fs');
-      var path = require('path');
-
-      function augmentDependencies(baseDir, dependencies) {
-          for(var dependencyName in dependencies) {
-              var dependency = dependencies[dependencyName];
-
-              // Open package.json and augment metadata fields
-              var packageJSONDir = path.join(baseDir, "node_modules", dependencyName);
-              var packageJSONPath = path.join(packageJSONDir, "package.json");
-
-              if(fs.existsSync(packageJSONPath)) { // Only augment packages that exist. Sometimes we may have production installs in which development dependencies can be ignored
-                  console.log("Adding metadata fields to: "+packageJSONPath);
-                  var packageObj = JSON.parse(fs.readFileSync(packageJSONPath));
-
-                  if(dependency.integrity) {
-                      packageObj["_integrity"] = dependency.integrity;
-                  } else {
-                      packageObj["_integrity"] = "sha1-000000000000000000000000000="; // When no _integrity string has been provided (e.g. by Git dependencies), add a dummy one. It does not seem to harm and it bypasses downloads.
-                  }
-
-                  if(dependency.resolved) {
-                      packageObj["_resolved"] = dependency.resolved; // Adopt the resolved property if one has been provided
-                  } else {
-                      packageObj["_resolved"] = dependency.version; // Set the resolved version to the version identifier. This prevents NPM from cloning Git repositories.
-                  }
-
-                  if(dependency.from !== undefined) { // Adopt from property if one has been provided
-                      packageObj["_from"] = dependency.from;
-                  }
-
-                  fs.writeFileSync(packageJSONPath, JSON.stringify(packageObj, null, 2));
-              }
-
-              // Augment transitive dependencies
-              if(dependency.dependencies !== undefined) {
-                  augmentDependencies(packageJSONDir, dependency.dependencies);
-              }
-          }
-      }
-
-      if(fs.existsSync("./package-lock.json")) {
-          var packageLock = JSON.parse(fs.readFileSync("./package-lock.json"));
-
-          if(![1, 2].includes(packageLock.lockfileVersion)) {
-             process.stderr.write("Sorry, I only understand lock file versions 1 and 2!\n");
-             process.exit(1);
-          }
-
-          if(packageLock.dependencies !== undefined) {
-              augmentDependencies(".", packageLock.dependencies);
-          }
-      }
-    '';
-  };
-
-  # Reconstructs a package-lock file from the node_modules/ folder structure and package.json files with dummy sha1 hashes
-  reconstructPackageLock = writeTextFile {
-    name = "addintegrityfields.js";
-    text = ''
-      var fs = require('fs');
-      var path = require('path');
-
-      var packageObj = JSON.parse(fs.readFileSync("package.json"));
-
-      var lockObj = {
-          name: packageObj.name,
-          version: packageObj.version,
-          lockfileVersion: 1,
-          requires: true,
-          dependencies: {}
-      };
-
-      function augmentPackageJSON(filePath, dependencies) {
-          var packageJSON = path.join(filePath, "package.json");
-          if(fs.existsSync(packageJSON)) {
-              var packageObj = JSON.parse(fs.readFileSync(packageJSON));
-              dependencies[packageObj.name] = {
-                  version: packageObj.version,
-                  integrity: "sha1-000000000000000000000000000=",
-                  dependencies: {}
-              };
-              processDependencies(path.join(filePath, "node_modules"), dependencies[packageObj.name].dependencies);
-          }
-      }
-
-      function processDependencies(dir, dependencies) {
-          if(fs.existsSync(dir)) {
-              var files = fs.readdirSync(dir);
-
-              files.forEach(function(entry) {
-                  var filePath = path.join(dir, entry);
-                  var stats = fs.statSync(filePath);
-
-                  if(stats.isDirectory()) {
-                      if(entry.substr(0, 1) == "@") {
-                          // When we encounter a namespace folder, augment all packages belonging to the scope
-                          var pkgFiles = fs.readdirSync(filePath);
-
-                          pkgFiles.forEach(function(entry) {
-                              if(stats.isDirectory()) {
-                                  var pkgFilePath = path.join(filePath, entry);
-                                  augmentPackageJSON(pkgFilePath, dependencies);
-                              }
-                          });
-                      } else {
-                          augmentPackageJSON(filePath, dependencies);
-                      }
-                  }
-              });
-          }
-      }
-
-      processDependencies("node_modules", lockObj.dependencies);
-
-      fs.writeFileSync("package-lock.json", JSON.stringify(lockObj, null, 2));
-    '';
-  };
-
-  prepareAndInvokeNPM = {packageName, bypassCache, reconstructLock, npmFlags, production}:
-    let
-      forceOfflineFlag = if bypassCache then "--offline" else "--registry http://www.example.com";
-    in
-    ''
-        # Pinpoint the versions of all dependencies to the ones that are actually being used
-        echo "pinpointing versions of dependencies..."
-        source $pinpointDependenciesScriptPath
-
-        # Patch the shebangs of the bundled modules to prevent them from
-        # calling executables outside the Nix store as much as possible
-        patchShebangs .
-
-        # Deploy the Node.js package by running npm install. Since the
-        # dependencies have been provided already by ourselves, it should not
-        # attempt to install them again, which is good, because we want to make
-        # it Nix's responsibility. If it needs to install any dependencies
-        # anyway (e.g. because the dependency parameters are
-        # incomplete/incorrect), it fails.
-        #
-        # The other responsibilities of NPM are kept -- version checks, build
-        # steps, postprocessing etc.
-
-        export HOME=$TMPDIR
-        cd "${packageName}"
-        runHook preRebuild
-
-        ${lib.optionalString bypassCache ''
-          ${lib.optionalString reconstructLock ''
-            if [ -f package-lock.json ]
-            then
-                echo "WARNING: Reconstruct lock option enabled, but a lock file already exists!"
-                echo "This will most likely result in version mismatches! We will remove the lock file and regenerate it!"
-                rm package-lock.json
-            else
-                echo "No package-lock.json file found, reconstructing..."
-            fi
-
-            node ${reconstructPackageLock}
-          ''}
-
-          node ${addIntegrityFieldsScript}
-        ''}
-
-        npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} rebuild
-
-        if [ "''${dontNpmInstall-}" != "1" ]
-        then
-            # NPM tries to download packages even when they already exist if npm-shrinkwrap is used.
-            rm -f npm-shrinkwrap.json
-
-            npm ${forceOfflineFlag} --nodedir=${nodeSources} ${npmFlags} ${lib.optionalString production "--production"} install
-        fi
-    '';
-
-  # Builds and composes an NPM package including all its dependencies
-  buildNodePackage =
-    { name
-    , packageName
-    , version
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , preRebuild ? ""
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , ... }@args:
-
-    let
-      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" "dontStrip" "dontNpmInstall" "preRebuild" "unpackPhase" "buildPhase" ];
-    in
-    stdenv.mkDerivation ({
-      name = "node_${name}-${version}";
-      buildInputs = [ tarWrapper python nodejs ]
-        ++ lib.optional (stdenv.isLinux) utillinux
-        ++ lib.optional (stdenv.isDarwin) libtool
-        ++ buildInputs;
-
-      inherit nodejs;
-
-      inherit dontStrip; # Stripping may fail a build for some package deployments
-      inherit dontNpmInstall preRebuild unpackPhase buildPhase;
-
-      compositionScript = composePackage args;
-      pinpointDependenciesScript = pinpointDependenciesOfPackage args;
-
-      passAsFile = [ "compositionScript" "pinpointDependenciesScript" ];
-
-      installPhase = ''
-        # Create and enter a root node_modules/ folder
-        mkdir -p $out/lib/node_modules
-        cd $out/lib/node_modules
-
-        # Compose the package and all its dependencies
-        source $compositionScriptPath
-
-        ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
-
-        # Create symlink to the deployed executable folder, if applicable
-        if [ -d "$out/lib/node_modules/.bin" ]
-        then
-            ln -s $out/lib/node_modules/.bin $out/bin
-        fi
-
-        # Create symlinks to the deployed manual page folders, if applicable
-        if [ -d "$out/lib/node_modules/${packageName}/man" ]
-        then
-            mkdir -p $out/share
-            for dir in "$out/lib/node_modules/${packageName}/man/"*
-            do
-                mkdir -p $out/share/man/$(basename "$dir")
-                for page in "$dir"/*
-                do
-                    ln -s $page $out/share/man/$(basename "$dir")
-                done
-            done
-        fi
-
-        # Run post install hook, if provided
-        runHook postInstall
-      '';
-    } // extraArgs);
-
-  # Builds a node environment (a node_modules folder and a set of binaries)
-  buildNodeDependencies =
-    { name
-    , packageName
-    , version
-    , src
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , ... }@args:
-
-    let
-      extraArgs = removeAttrs args [ "name" "dependencies" "buildInputs" ];
-    in
-      stdenv.mkDerivation ({
-        name = "node-dependencies-${name}-${version}";
-
-        buildInputs = [ tarWrapper python nodejs ]
-          ++ lib.optional (stdenv.isLinux) utillinux
-          ++ lib.optional (stdenv.isDarwin) libtool
-          ++ buildInputs;
-
-        inherit dontStrip; # Stripping may fail a build for some package deployments
-        inherit dontNpmInstall unpackPhase buildPhase;
-
-        includeScript = includeDependencies { inherit dependencies; };
-        pinpointDependenciesScript = pinpointDependenciesOfPackage args;
-
-        passAsFile = [ "includeScript" "pinpointDependenciesScript" ];
-
-        installPhase = ''
-          mkdir -p $out/${packageName}
-          cd $out/${packageName}
-
-          source $includeScriptPath
-
-          # Create fake package.json to make the npm commands work properly
-          cp ${src}/package.json .
-          chmod 644 package.json
-          ${lib.optionalString bypassCache ''
-            if [ -f ${src}/package-lock.json ]
-            then
-                cp ${src}/package-lock.json .
-            fi
-          ''}
-
-          # Go to the parent folder to make sure that all packages are pinpointed
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
-
-          ${prepareAndInvokeNPM { inherit packageName bypassCache reconstructLock npmFlags production; }}
-
-          # Expose the executables that were installed
-          cd ..
-          ${lib.optionalString (builtins.substring 0 1 packageName == "@") "cd .."}
-
-          mv ${packageName} lib
-          ln -s $out/lib/node_modules/.bin $out/bin
-        '';
-      } // extraArgs);
-
-  # Builds a development shell
-  buildNodeShell =
-    { name
-    , packageName
-    , version
-    , src
-    , dependencies ? []
-    , buildInputs ? []
-    , production ? true
-    , npmFlags ? ""
-    , dontNpmInstall ? false
-    , bypassCache ? false
-    , reconstructLock ? false
-    , dontStrip ? true
-    , unpackPhase ? "true"
-    , buildPhase ? "true"
-    , ... }@args:
-
-    let
-      nodeDependencies = buildNodeDependencies args;
-    in
-    stdenv.mkDerivation {
-      name = "node-shell-${name}-${version}";
-
-      buildInputs = [ python nodejs ] ++ lib.optional (stdenv.isLinux) utillinux ++ buildInputs;
-      buildCommand = ''
-        mkdir -p $out/bin
-        cat > $out/bin/shell <<EOF
-        #! ${stdenv.shell} -e
-        $shellHook
-        exec ${stdenv.shell}
-        EOF
-        chmod +x $out/bin/shell
-      '';
-
-      # Provide the dependencies in a development shell through the NODE_PATH environment variable
-      inherit nodeDependencies;
-      shellHook = lib.optionalString (dependencies != []) ''
-        export NODE_PATH=${nodeDependencies}/lib/node_modules
-        export PATH="${nodeDependencies}/bin:$PATH"
-      '';
-    };
-in
-{
-  buildNodeSourceDist = lib.makeOverridable buildNodeSourceDist;
-  buildNodePackage = lib.makeOverridable buildNodePackage;
-  buildNodeDependencies = lib.makeOverridable buildNodeDependencies;
-  buildNodeShell = lib.makeOverridable buildNodeShell;
-}

node-packages.nix

@@ -1,594 +0,0 @@
-# This file has been generated by node2nix 1.9.0. Do not edit!
-
-{nodeEnv, fetchurl, fetchgit, nix-gitignore, stdenv, lib, globalBuildInputs ? []}:
-
-let
-  sources = {
-    "accepts-1.3.7" = {
-      name = "accepts";
-      packageName = "accepts";
-      version = "1.3.7";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz";
-        sha512 = "Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==";
-      };
-    };
-    "array-flatten-1.1.1" = {
-      name = "array-flatten";
-      packageName = "array-flatten";
-      version = "1.1.1";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/array-flatten/-/array-flatten-1.1.1.tgz";
-        sha1 = "9a5f699051b1e7073328f2a008968b64ea2955d2";
-      };
-    };
-    "body-parser-1.19.0" = {
-      name = "body-parser";
-      packageName = "body-parser";
-      version = "1.19.0";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/body-parser/-/body-parser-1.19.0.tgz";
-        sha512 = "dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==";
-      };
-    };
-    "bytes-3.1.0" = {
-      name = "bytes";
-      packageName = "bytes";
-      version = "3.1.0";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz";
-        sha512 = "zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==";
-      };
-    };
-    "commander-2.20.3" = {
-      name = "commander";
-      packageName = "commander";
-      version = "2.20.3";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz";
-        sha512 = "GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==";
-      };
-    };
-    "content-disposition-0.5.3" = {
-      name = "content-disposition";
-      packageName = "content-disposition";
-      version = "0.5.3";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/content-disposition/-/content-disposition-0.5.3.tgz";
-        sha512 = "ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==";
-      };
-    };
-    "content-type-1.0.4" = {
-      name = "content-type";
-      packageName = "content-type";
-      version = "1.0.4";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/content-type/-/content-type-1.0.4.tgz";
-        sha512 = "hIP3EEPs8tB9AT1L+NUqtwOAps4mk2Zob89MWXMHjHWg9milF/j4osnnQLXBCBFBk/tvIG/tUc9mOUJiPBhPXA==";
-      };
-    };
-    "cookie-0.4.0" = {
-      name = "cookie";
-      packageName = "cookie";
-      version = "0.4.0";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/cookie/-/cookie-0.4.0.tgz";
-        sha512 = "+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==";
-      };
-    };
-    "cookie-signature-1.0.6" = {
-      name = "cookie-signature";
-      packageName = "cookie-signature";
-      version = "1.0.6";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.6.tgz";
-        sha1 = "e303a882b342cc3ee8ca513a79999734dab3ae2c";
-      };
-    };
-    "debug-2.6.9" = {
-      name = "debug";
-      packageName = "debug";
-      version = "2.6.9";
-      src = fetchurl {
-        url = "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz";
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-      sources."statuses-1.5.0"
-      sources."toidentifier-1.0.0"
-      sources."type-is-1.6.18"
-      sources."unpipe-1.0.0"
-    ];
-    buildInputs = globalBuildInputs;
-    meta = {
-      description = "Node.js body parsing middleware";
-      homepage = "https://github.com/expressjs/body-parser#readme";
-      license = "MIT";
-    };
-    production = true;
-    bypassCache = true;
-    reconstructLock = true;
-  };
-}

packages.json

@@ -1,3 +0,0 @@
-[
-	{"katex": "0.11.1"}, "express", "body-parser"
-]

required-packages.nix

@@ -1,17 +0,0 @@
-# This file has been generated by node2nix 1.9.0. Do not edit!
-
-{pkgs ? import <nixpkgs> {
-    inherit system;
-  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-12_x"}:
-
-let
-  nodeEnv = import ./node-env.nix {
-    inherit (pkgs) stdenv lib python2 runCommand writeTextFile;
-    inherit pkgs nodejs;
-    libtool = if pkgs.stdenv.isDarwin then pkgs.darwin.cctools else null;
-  };
-in
-import ./node-packages.nix {
-  inherit (pkgs) fetchurl nix-gitignore stdenv lib fetchgit;
-  inherit nodeEnv;
-}

scripts/change_blog_nix.sh

@@ -1,3 +0,0 @@
-echo "New rev: $1"
-echo "New SHA256: $2"
-sed -i "s/rev = \".*\"/rev = \"$1\"/;s/sha256 = \".*\"/sha256 = \"$2\"/" default.nix

scripts/update_blog.sh

@@ -1 +0,0 @@
-nix-prefetch-git --rev refs/heads/master https://dev.danilafe.com/Web-Projects/blog-static.git --quiet --fetch-submodules | jq '.rev,.sha256' | xargs ./change_blog_nix.sh