Use ${PROG} instead of $0 in sysresccd-usbstick

Also remove redundant "exit 1" in an error message after call to
help_readman().

diff --git a/portage-overlay/sys-apps/sysresccd-scripts/files/sysresccd-usbstick b/portage-overlay/sys-apps/sysresccd-scripts/files/sysresccd-usbstick
index 947bda89e262dd922cfeb68d384248abf84e5e3b..fb9439e8b5f092807edede5c029949dd4fbf38ed 100755 (executable)
--- a/portage-overlay/sys-apps/sysresccd-scripts/files/sysresccd-usbstick
+++ b/portage-overlay/sys-apps/sysresccd-scripts/files/sysresccd-usbstick
@@ -498,13 +498,12 @@ shift
 
 if [ "$(whoami)" != "root" ]
 then
-       help_readman "$0: This script requires root privileges to operate."
+       help_readman "${PROG}: This script requires root privileges to operate."
 fi
 
 if ! cat /proc/mounts | awk '{print $2}' | grep -q -F '/memory'
 then
-       help_readman "$0: This script must be executed from SystemRescueCd"
-       exit 1
+       help_readman "${PROG}: This script must be executed from SystemRescueCd"
 fi
 
 case "${COMMAND}" in