- CMDLINE="$(cat /proc/cmdline)"
- [ -d /cdrom/bootparams/ ] && CMDLINE="$CMDLINE $(cat /cdrom/bootparams/*)"
- [ -d /live/image/bootparams/ ] && CMDLINE="$CMDLINE $(cat /live/image/bootparams/*)"
+ # set only if not already set
+ if [ -z "$CMDLINE" ] ; then
+ CMDLINE="$(cat /proc/cmdline)"
+ [ -d /cdrom/bootparams/ ] && CMDLINE="$CMDLINE $(cat /cdrom/bootparams/*)"
+ [ -d /live/image/bootparams/ ] && CMDLINE="$CMDLINE $(cat /live/image/bootparams/*)"
+ fi