1 files changed, 9 insertions, 1 deletions
diff --git a/nixpkgs/pkgs/applications/kde/kdegraphics-thumbnailers.nix b/nixpkgs/pkgs/applications/kde/kdegraphics-thumbnailers.nix
index 6ae45057f19..dc0b63594c4 100644
--- a/nixpkgs/pkgs/applications/kde/kdegraphics-thumbnailers.nix
+++ b/nixpkgs/pkgs/applications/kde/kdegraphics-thumbnailers.nix
@@ -1,5 +1,5 @@
 {
-  mkDerivation, lib,
+  mkDerivation, lib, fetchpatch,
   extra-cmake-modules, karchive, kio, libkexiv2, libkdcraw
 }:
 
@@ -9,6 +9,14 @@ mkDerivation {
     license = [ lib.licenses.lgpl21 ];
     maintainers = [ lib.maintainers.ttuegel ];
   };
+  patches = [
+    # Fix a bug with thumbnail.so processes hanging:
+    # https://bugs.kde.org/show_bug.cgi?id=404652
+    (fetchpatch {
+      url = "https://github.com/KDE/kdegraphics-thumbnailers/commit/3e2ea6e924d0e2a2cdd9bb435b06965117d6d34c.patch";
+      sha256 = "0fq85zhymmrq8vl0y6vgh87qf4c6fhcq704p4kpkaq7y0isxj4h1";
+    })
+  ];
   nativeBuildInputs = [ extra-cmake-modules ];
   buildInputs = [ karchive kio libkexiv2 libkdcraw ];
 }