feat: Add a flake

pkgs/blog.nix

@@ -0,0 +1,36 @@
+{
+  lib, stdenv
+, gnumake, imagemagick
+, shared-assets
+}:
+stdenv.mkDerivation {
+  pname = "blog";
+  version = "20211128";
+
+  src = ../.;
+
+  buildInputs = [ shared-assets gnumake imagemagick ];
+
+  patchPhase = ''
+    sed -i Makefile -e "s|python ../shared-assets/makesite.py|python ${shared-assets}/bin/makesite.py|g"
+    sed -i Makefile -e "s|tar -czf blog.tar.gz _site||g"
+  '';
+  
+  buildPhase = ''
+    make buildnosign
+  '';
+  
+  installPhase = ''
+    mkdir -p $out/srv/www/blog
+    cp -vr _site/* $out/srv/www/blog
+  '';
+  
+  doCheck = false;
+  
+  meta = with lib; {
+    description = "The blog hosted at https://blog.polynom.me";
+    homepage = "https://git.polynom.me/polynom.me/blog.polynom.me";
+    maintainers = [];
+    license = licenses.gpl3;
+  };
+}