data/fonts: simpler cleanups

pkgs/data/fonts/libre-bodoni/default.nix

@@ -1,22 +1,18 @@
-{ stdenv, fetchFromGitHub }:
+{ stdenv, fetchzip }:
 
-stdenv.mkDerivation rec {
+fetchzip rec {
   name = "libre-bodoni-2.000";
 
-  src = fetchFromGitHub {
-    owner = "impallari";
-    repo = "Libre-Bodoni";
-    rev = "995a40e8d6b95411d660cbc5bb3f726ffd080c7d";
-    sha256 = "1ncfkvmcxh2lphfra43h8482qglpd965v96agvz092697xwrbyn9";
-  };
+  url = https://github.com/impallari/Libre-Bodoni/archive/995a40e8d6b95411d660cbc5bb3f726ffd080c7d.zip;
 
-  installPhase = ''
-    mkdir -p $out/share/fonts/opentype
-    mkdir -p $out/share/doc/${name}
-    cp -v "fonts/v2000 - initial glyphs migration/OTF/"*.otf $out/share/fonts/opentype/
-    cp -v README.md FONTLOG.txt $out/share/doc/${name}
+  postFetch = ''
+    mkdir -p $out/share/{doc,fonts}
+    unzip -j $downloadedFile \*/v2000\ -\ initial\ glyphs\ migration/OTF/\*.otf  -d $out/share/fonts/opentype
+    unzip -j $downloadedFile \*README.md \*FONTLOG.txt                           -d "$out/share/doc/${name}"
   '';
 
+  sha256 = "0pnb1xydpvcl9mkz095f566kz7yj061wbf40rwrbwmk706f6bsiw";
+
   meta = with stdenv.lib; {
     description = "Bodoni fonts adapted for today's web requirements";
     longDescription = ''