From fbbfc3edfa4a90743e0f0db179abb242da4c6a4c Mon Sep 17 00:00:00 2001
From: José Romildo <malaquias@gmail.com>
Date: Sun, 14 Nov 2021 10:49:57 -0300
Subject: paper-icon-theme: replace duplicate files with symlinks

This reduces considerably the space used by the package.
---
 pkgs/data/icons/paper-icon-theme/default.nix | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/pkgs/data/icons/paper-icon-theme/default.nix b/pkgs/data/icons/paper-icon-theme/default.nix
index 9ab6fe1b589..fc541f6e5b7 100644
--- a/pkgs/data/icons/paper-icon-theme/default.nix
+++ b/pkgs/data/icons/paper-icon-theme/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, meson, ninja, gtk3, gnome, gnome-icon-theme, hicolor-icon-theme }:
+{ lib, stdenv, fetchFromGitHub, meson, ninja, gtk3, gnome, gnome-icon-theme, hicolor-icon-theme, jdupes }:
 
 stdenv.mkDerivation rec {
   pname = "paper-icon-theme";
@@ -15,6 +15,7 @@ stdenv.mkDerivation rec {
     meson
     ninja
     gtk3
+    jdupes
   ];
 
   propagatedBuildInputs = [
@@ -25,9 +26,16 @@ stdenv.mkDerivation rec {
 
   dontDropIconThemeCache = true;
 
+  # These fixup steps are slow and unnecessary for this package
+  dontPatchELF = true;
+  dontRewriteSymlinks = true;
+
   postInstall = ''
     # The cache for Paper-Mono-Dark is missing
     gtk-update-icon-cache "$out"/share/icons/Paper-Mono-Dark;
+
+    # replace duplicate files with symlinks
+    jdupes -l -r $out/share/icons
   '';
 
   meta = with lib; {
-- 
cgit 1.4.1