File 00-replace_pkexec_with_xdg_su.patch of Package calamares

diff -Naur a/calamares.desktop b/calamares.desktop
--- a/calamares.desktop	2020-01-01 15:34:44.195698493 +0100
+++ b/calamares.desktop	2020-01-01 15:36:24.039123165 +0100
@@ -5,7 +5,7 @@
 GenericName=System Installer
 Keywords=calamares;system;installer;
 TryExec=calamares
-Exec=sh -c "pkexec calamares"
+Exec=xdg-su -c /usr/bin/calamares
 Comment=Calamares — System Installer
 Icon=calamares
 Terminal=false