From 5b008e30b44923e8eff5dbe470b000de58f07021 Mon Sep 17 00:00:00 2001
From: Thomas Tuegel <ttuegel@gmail.com>
Date: Thu, 4 Aug 2016 10:40:36 -0500
Subject: [PATCH] kdeWrapper: avoid excessive file collisions

---
 .../libraries/kde-frameworks/kde-env.nix            | 13 +++++++++++--
 .../libraries/kde-frameworks/kde-wrapper.nix        |  8 ++------
 2 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/pkgs/development/libraries/kde-frameworks/kde-env.nix b/pkgs/development/libraries/kde-frameworks/kde-env.nix
index c77ff49bfea..a48ba32be22 100644
--- a/pkgs/development/libraries/kde-frameworks/kde-env.nix
+++ b/pkgs/development/libraries/kde-frameworks/kde-env.nix
@@ -5,7 +5,7 @@ drv: pkgs:
 stdenv.mkDerivation {
   name = "kde-env-${drv.name}";
   nativeBuildInputs = [ lndir ];
-  propagatedUserEnvPkgs = builtins.map lib.getBin ([drv] ++ pkgs);
+  envPkgs = builtins.map lib.getBin ([drv] ++ pkgs);
   unpackPhase = "true";
   configurePhase = "runHook preConfigure; runHook postConfigure";
   buildPhase = "true";
@@ -13,7 +13,7 @@ stdenv.mkDerivation {
     runHook preInstall
 
     propagated=""
-    for i in $propagatedUserEnvPkgs; do
+    for i in $envPkgs; do
         findInputs $i propagated propagated-user-env-packages
     done
 
@@ -26,6 +26,15 @@ stdenv.mkDerivation {
         done
     done
 
+    for p in $propagated; do
+        for s in applications dbus-1 desktop-directories icons mime polkit-1; do
+            if [ -d "$p/share/$s" ]; then
+                propagatedUserEnvPkgs+=" $p"
+                break
+            fi
+        done
+    done
+
     runHook postInstall
   '';
 }
diff --git a/pkgs/development/libraries/kde-frameworks/kde-wrapper.nix b/pkgs/development/libraries/kde-frameworks/kde-wrapper.nix
index 95f9cdcecb7..d340a5edbf7 100644
--- a/pkgs/development/libraries/kde-frameworks/kde-wrapper.nix
+++ b/pkgs/development/libraries/kde-frameworks/kde-wrapper.nix
@@ -37,11 +37,7 @@ stdenv.mkDerivation {
         fi
     done
 
-    for s in applications dbus-1 desktop-directories icons mime polkit-1; do
-        if [ -d "$env/share/$s" ]; then
-            mkdir -p "$out/share"
-            ln -s "$env/share/$s" "$out/share/$s"
-        fi
-    done
+    mkdir -p "$out/nix-support"
+    ln -s "$env/nix-support/propagated-user-env-packages" "$out/nix-support/"
   '';
 }