nixpkgs/pkgs/applications/display-managers/sddm/greeter-path.patch

diff --git a/src/daemon/Greeter.cpp b/src/daemon/Greeter.cpp
index 07fccde..dd22a07 100644
--- a/src/daemon/Greeter.cpp
+++ b/src/daemon/Greeter.cpp
@@ -83,7 +83,8 @@ namespace SDDM {
     QString Greeter::greeterPathForQt(int qtVersion)
     {
         const QString suffix = qtVersion == 5 ? QString() : QStringLiteral("-qt%1").arg(qtVersion);
-        return QStringLiteral(BIN_INSTALL_DIR "/sddm-greeter%1").arg(suffix);
+        const QString greeterDir = qEnvironmentVariable("SDDM_GREETER_DIR", QStringLiteral(BIN_INSTALL_DIR));
+        return QStringLiteral("%1/sddm-greeter%2").arg(greeterDir).arg(suffix);
     }
 
     bool Greeter::start() {