1 files changed, 16 insertions, 8 deletions
diff --git a/nixpkgs/pkgs/data/fonts/rounded-mgenplus/default.nix b/nixpkgs/pkgs/data/fonts/rounded-mgenplus/default.nix
index eccbddd1851d..688518150fc7 100644
--- a/nixpkgs/pkgs/data/fonts/rounded-mgenplus/default.nix
+++ b/nixpkgs/pkgs/data/fonts/rounded-mgenplus/default.nix
@@ -1,17 +1,25 @@
-{ lib, fetchzip, p7zip }:
+{ lib, stdenvNoCC, fetchurl, p7zip }:
 
-let
+stdenvNoCC.mkDerivation rec {
   pname = "rounded-mgenplus";
   version = "20150602";
-in fetchzip rec {
-  name = "${pname}-${version}";
 
-  url = "https://osdn.jp/downloads/users/8/8598/${name}.7z";
-  postFetch = ''
-    ${p7zip}/bin/7z x $downloadedFile
+  src = fetchurl {
+    url = "https://osdn.jp/downloads/users/8/8598/${pname}-${version}.7z";
+    hash = "sha256-7OpnZJc9k5NiOPHAbtJGMQvsMg9j81DCvbfo0f7uJcw=";
+  };
+
+  sourceRoot = ".";
+
+  nativeBuildInputs = [ p7zip ];
+
+  installPhase = ''
+    runHook preInstall
+
     install -m 444 -D -t $out/share/fonts/${pname} ${pname}-*.ttf
+
+    runHook postInstall
   '';
-  sha256 = "0vwdknagdrl5dqwpb1x5lxkbfgvbx8dpg7cb6yamgz71831l05v1";
 
   meta = with lib; {
     description = "A Japanese font based on Rounded M+ and Noto Sans Japanese";