Merge pull request #11775 from ericsagnes/update/iosevka

iosevka: 1.0-beta9 -> 1.4.2

pkgs/data/fonts/iosevka/default.nix

···
-{ stdenv, lib, fetchurl }:
+{ stdenv, lib, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
   name = "iosevka-${version}";
-  version = "1.0-beta9";
-  src = fetchurl {
-    url = "https://github.com/be5invis/Iosevka/releases/download/${version}/${name}.tar.bz2";
-    sha256 = "1vw34zh8nh6s2dpyw3a1q44wkgrsin1a8b0vnk7hms8s8fw65734";
+  version = "1.4.2";
+
+  src = fetchFromGitHub {
+    owner  = "be5invis";
+    repo   = "Iosevka";
+    rev    = "v${version}";
+    sha256 = "1h1lmvjpjk0238bhdhnv2c149s98qpbndc8rxzlk6bhmxcy6rwsk";
   };
-  unpackPhase = ''
-    tar xf "$src"
-  '';
+
   installPhase = ''
     fontdir=$out/share/fonts/iosevka
 
     mkdir -p $fontdir
     cp -v iosevka-* $fontdir
   '';
-  buildInputs = [ ];
+
   meta = with lib; {
     homepage = "http://be5invis.github.io/Iosevka/";
+    downloadPage = "https://github.com/be5invis/Iosevka/releases";
     description = ''
       Slender monospace sans-serif and slab-serif typeface inspired by Pragmata
       Pro, M+ and PF DIN Mono, designed to be the ideal font for programming.