File steamos-select-branch of Package jupiter-hw-support

#!/usr/bin/bash

# Hook for system branch script
STEAMOS_BRANCH_SCRIPT="/usr/libexec/gamescope-session-steam/system-select-branch"
if [ -x $STEAMOS_BRANCH_SCRIPT ] ; then
	# Call branch script from the OS
	${STEAMOS_BRANCH_SCRIPT} $@
else
	# "rel" is the stable branch on SteamOS
	echo "rel"
	exit 0
fi