From be422a4a68cf1d9140b5de6930ef7dcb569731ba Mon Sep 17 00:00:00 2001
From: volth <volth@webmaster.ms>
Date: Fri, 11 Aug 2017 03:51:51 +0000
Subject: [PATCH] ipaexfont: make the font derivation fixed-output

- [x] make the font derivation fixed-output (https://github.com/NixOS/nixpkgs/issues/27754)
---
 pkgs/data/fonts/ipaexfont/default.nix | 19 ++++++++-----------
 1 file changed, 8 insertions(+), 11 deletions(-)

diff --git a/pkgs/data/fonts/ipaexfont/default.nix b/pkgs/data/fonts/ipaexfont/default.nix
index e6d4b6734bf..dfeab5124c8 100644
--- a/pkgs/data/fonts/ipaexfont/default.nix
+++ b/pkgs/data/fonts/ipaexfont/default.nix
@@ -1,20 +1,17 @@
-{ stdenv, fetchurl, unzip }:
+{ stdenv, fetchzip }:
 
-stdenv.mkDerivation rec {
+fetchzip rec {
   name = "ipaexfont-003.01";
 
-  src = fetchurl {
-    url = "http://dl.ipafont.ipa.go.jp/IPAexfont/IPAexfont00301.zip";
-    sha256 = "0nmfyh10rzkvp0qmrla0dahkmmxq47678y4v8fdm8fpdzmf0kpn7";
-  };
+  url = "http://dl.ipafont.ipa.go.jp/IPAexfont/IPAexfont00301.zip";
 
-  buildInputs = [ unzip ];
-
-  installPhase = ''
-    mkdir -p $out/share/fonts/opentype/
-    cp *.ttf $out/share/fonts/opentype/
+  postFetch = ''
+    mkdir -p $out/share/fonts
+    unzip -j $downloadedFile \*.ttf -d $out/share/fonts/opentype
   '';
 
+  sha256 = "02a6sj990cnig5lq0m54nmbmfkr3s57jpxl9fiyzrjmigvd1qmhj";
+
   meta = with stdenv.lib; {
     description = "Japanese font package with Mincho and Gothic fonts";
     longDescription = ''