Start working on converting to Nix flakes.

blog/default.nix

@@ -1,15 +1,12 @@
-{ stdenv, lib, hugo, fetchgit, pkgs, nodejs, ruby }:
+{ blog-source, blog-source-localized, stdenv, lib, hugo, fetchgit, pkgs, nodejs, ruby }:
 
 let
   url = "https://dev.danilafe.com/Web-Projects/blog-static.git";
   requiredPackages = import ./required-packages.nix { inherit pkgs nodejs; };
   website = settings: stdenv.mkDerivation {
     name = "blog-static";
-    version = settings.rev;
-    src = fetchgit {
-      inherit url;
-      inherit (settings) rev sha256;
-    };
+    version = settings.source.rev;
+    src = settings.source;
     urlSub =
       let
         regexEscape = lib.escape [ "/" "(" ")" "[" "]" "+" "*" "\\" ];
@@ -35,13 +32,13 @@ let
 in
   {
     english = website {
-      inherit rev sha256;
+      source = blog-source;
       path = ".";
       drafts = false;
     };
     drafts = {
       english = website {
-        inherit rev sha256;
+	source = blog-source;
         path = ".";
         drafts = true;
         replaceUrl = {
@@ -50,8 +47,7 @@ in
         }; 
       };
       russian = website {
-        rev = localizationRev;    
-        sha256 = localizationSha256;
+        source = blog-source-localized;
         path = "ru";
         drafts = true;
         replaceUrl = {