Description: Use sudo instead of pkexec
 Using pkexec breaks window detection and causes calamares to not start under GNOME.
 Using sudo works fine and fixes above issues.

--- calamares-3.0.1.orig/calamares.desktop
+++ calamares-3.0.1/calamares.desktop
@@ -5,7 +5,7 @@ Name=Calamares
 GenericName=System Installer
 Keywords=calamares;system;installer
 TryExec=calamares
-Exec=pkexec /usr/bin/calamares
+Exec=sudo /usr/bin/calamares
 Comment=Calamares — System Installer
 Icon=calamares
 Terminal=false