From b818fb185a5a9cc1b424c915b897b62af1f44f33 Mon Sep 17 00:00:00 2001
From: AndersonTorres <torres.anderson.85@protonmail.com>
Date: Sat, 4 Apr 2020 17:20:10 -0300
Subject: [PATCH] cimg: 2.8.4 -> 2.9.0

---
 pkgs/development/libraries/cimg/default.nix | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/pkgs/development/libraries/cimg/default.nix b/pkgs/development/libraries/cimg/default.nix
index 89bbdff3bbcb..8a67ab09a195 100644
--- a/pkgs/development/libraries/cimg/default.nix
+++ b/pkgs/development/libraries/cimg/default.nix
@@ -1,16 +1,16 @@
-{ stdenv, fetchurl, unzip }:
+{ stdenv, fetchFromGitHub }:
 
 stdenv.mkDerivation rec {
   pname = "cimg";
-  version = "2.8.4";
+  version = "2.9.0";
 
-  src = fetchurl {
-    url = "http://cimg.eu/files/CImg_${version}.zip";
-    sha256 = "1y4j2dmk4nnc5rx65c2px7r0nfq5117pmqpvi7klp9wmgcjs29gf";
+  src = fetchFromGitHub {
+    owner = "dtschump";
+    repo = "CImg";
+    rev = "v.${version}";
+    sha256 = "1x43c1w2kzr6h3j7y3kwiwb7nba0iymck6bq9psvp53mh9xxrfd1";
   };
 
-  nativeBuildInputs = [ unzip ];
-
   installPhase = ''
     install -dm 755 $out/include/CImg/plugins $doc/share/doc/cimg/examples
 
@@ -24,6 +24,12 @@ stdenv.mkDerivation rec {
 
   meta = with stdenv.lib; {
     description = "A small, open source, C++ toolkit for image processing";
+    longDescription = ''
+      CImg stands for Cool Image. It is easy to use, efficient and is intended
+      to be a very pleasant toolbox to design image processing algorithms in
+      C++. Due to its generic conception, it can cover a wide range of image
+      processing applications.
+    '';
     homepage = "http://cimg.eu/";
     license = licenses.cecill-c;
     maintainers = [ maintainers.AndersonTorres ];