name : dracut-cmdline.sh #!/bin/sh if [ -f /dracut-state.sh ]; then . /dracut-state.sh 2>/dev/null fi type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh [ -f /usr/lib/initrd-release ] && . /usr/lib/initrd-release [ -n "$VERSION" ] && info "dracut-$VERSION" if ! getargbool 1 'rd.hostonly'; then [ -f /etc/cmdline.d/99-cmdline-ask.conf ] && mv /etc/cmdline.d/99-cmdline-ask.conf /tmp/99-cmdline-ask.conf remove_hostonly_files [ -f /tmp/99-cmdline-ask.conf ] && mv /tmp/99-cmdline-ask.conf /etc/cmdline.d/99-cmdline-ask.conf fi info "Using kernel command line parameters:" $(getcmdline) getargbool 0 rd.udev.log-priority=info -d rd.udev.info -d -n -y rdudevinfo && echo 'udev_log="info"' >> /etc/udev/udev.conf getargbool 0 rd.udev.log-priority=debug -d rd.udev.debug -d -n -y rdudevdebug && echo 'udev_log="debug"' >> /etc/udev/udev.conf source_conf /etc/conf.d # Get the "root=" parameter from the kernel command line, but differentiate # between the case where it was set to the empty string and the case where it # wasn't specified at all. if ! root="$(getarg root=)"; then root_unset='UNSET' fi rflags="$(getarg rootflags=)" getargbool 0 ro && rflags="${rflags},ro" getargbool 0 rw && rflags="${rflags},rw" rflags="${rflags#,}" fstype="$(getarg rootfstype=)" if [ -z "$fstype" ]; then fstype="auto" fi export root export rflags export fstype make_trace_mem "hook cmdline" '1+:mem' '1+:iomem' '3+:slab' # run scriptlets to parse the command line getarg 'rd.break=cmdline' -d 'rdbreak=cmdline' && emergency_shell -n cmdline "Break before cmdline" source_hook cmdline [ -f /lib/dracut/parse-resume.sh ] && . /lib/dracut/parse-resume.sh case "${root}${root_unset}" in block:LABEL=*|LABEL=*) root="${root#block:}" root="$(echo $root | sed 's,/,\\x2f,g')" root="block:/dev/disk/by-label/${root#LABEL=}" rootok=1 ;; block:UUID=*|UUID=*) root="${root#block:}" root="block:/dev/disk/by-uuid/${root#UUID=}" rootok=1 ;; block:PARTUUID=*|PARTUUID=*) root="${root#block:}" root="block:/dev/disk/by-partuuid/${root#PARTUUID=}" rootok=1 ;; block:PARTLABEL=*|PARTLABEL=*) root="${root#block:}" root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}" rootok=1 ;; /dev/*) root="block:${root}" rootok=1 ;; UNSET|gpt-auto) # systemd's gpt-auto-generator handles this case. rootok=1 ;; esac [ -z "${root}${root_unset}" ] && die "Empty root= argument" [ -z "$rootok" ] && die "Don't know how to handle 'root=$root'" export root rflags fstype netroot NEWROOT export -p > /dracut-state.sh exit 0