From 02a23b7b24d753baec14a860404a93de6d62931d Mon Sep 17 00:00:00 2001
From: Peter Hoeg <peter@hoeg.com>
Date: Sun, 15 Oct 2017 14:58:08 +0800
Subject: [PATCH] sddm: theme background images use a relative path which
 breaks sddm-kcm

---
 pkgs/applications/display-managers/sddm/default.nix | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pkgs/applications/display-managers/sddm/default.nix b/pkgs/applications/display-managers/sddm/default.nix
index 97f05f6a433c..3ce8d075410b 100644
--- a/pkgs/applications/display-managers/sddm/default.nix
+++ b/pkgs/applications/display-managers/sddm/default.nix
@@ -50,12 +50,16 @@ in mkDerivation rec {
   postInstall = ''
     # remove empty scripts
     rm "$out/share/sddm/scripts/Xsetup" "$out/share/sddm/scripts/Xstop"
+    for f in $out/share/sddm/themes/**/theme.conf ; do
+      substituteInPlace $f \
+        --replace 'background=' "background=$(dirname $f)/"
+    done
   '';
 
   meta = with lib; {
     description = "QML based X11 display manager";
-    homepage = https://github.com/sddm/sddm;
-    platforms = platforms.linux;
+    homepage    = https://github.com/sddm/sddm;
     maintainers = with maintainers; [ abbradar ttuegel ];
+    platforms   = platforms.linux;
   };
 }