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85 lines
2.6 KiB
85 lines
2.6 KiB
#!/bin/sh |
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if [ -f /dracut-state.sh ]; then |
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. /dracut-state.sh 2>/dev/null |
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fi |
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type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh |
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[ -f /usr/lib/initrd-release ] && . /usr/lib/initrd-release |
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[ -n "$VERSION" ] && info "dracut-$VERSION" |
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if ! getargbool 1 'rd.hostonly'; then |
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[ -f /etc/cmdline.d/99-cmdline-ask.conf ] && mv /etc/cmdline.d/99-cmdline-ask.conf /tmp/99-cmdline-ask.conf |
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remove_hostonly_files |
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[ -f /tmp/99-cmdline-ask.conf ] && mv /tmp/99-cmdline-ask.conf /etc/cmdline.d/99-cmdline-ask.conf |
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fi |
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info "Using kernel command line parameters:" $(getcmdline) |
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getargbool 0 rd.udev.log-priority=info -d rd.udev.info -d -n -y rdudevinfo && echo 'udev_log="info"' >> /etc/udev/udev.conf |
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getargbool 0 rd.udev.log-priority=debug -d rd.udev.debug -d -n -y rdudevdebug && echo 'udev_log="debug"' >> /etc/udev/udev.conf |
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source_conf /etc/conf.d |
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# Get the "root=" parameter from the kernel command line, but differentiate |
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# between the case where it was set to the empty string and the case where it |
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# wasn't specified at all. |
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if ! root="$(getarg root=)"; then |
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root_unset='UNSET' |
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fi |
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rflags="$(getarg rootflags=)" |
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getargbool 0 ro && rflags="${rflags},ro" |
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getargbool 0 rw && rflags="${rflags},rw" |
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rflags="${rflags#,}" |
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fstype="$(getarg rootfstype=)" |
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if [ -z "$fstype" ]; then |
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fstype="auto" |
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fi |
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export root |
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export rflags |
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export fstype |
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make_trace_mem "hook cmdline" '1+:mem' '1+:iomem' '3+:slab' '4+:komem' |
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# run scriptlets to parse the command line |
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getarg 'rd.break=cmdline' -d 'rdbreak=cmdline' && emergency_shell -n cmdline "Break before cmdline" |
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source_hook cmdline |
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[ -f /lib/dracut/parse-resume.sh ] && . /lib/dracut/parse-resume.sh |
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case "${root}${root_unset}" in |
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block:LABEL=*|LABEL=*) |
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root="${root#block:}" |
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root="$(echo $root | sed 's,/,\\x2f,g')" |
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root="block:/dev/disk/by-label/${root#LABEL=}" |
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rootok=1 ;; |
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block:UUID=*|UUID=*) |
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root="${root#block:}" |
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root="block:/dev/disk/by-uuid/${root#UUID=}" |
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rootok=1 ;; |
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block:PARTUUID=*|PARTUUID=*) |
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root="${root#block:}" |
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root="block:/dev/disk/by-partuuid/${root#PARTUUID=}" |
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rootok=1 ;; |
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block:PARTLABEL=*|PARTLABEL=*) |
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root="${root#block:}" |
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root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}" |
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rootok=1 ;; |
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/dev/*) |
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root="block:${root}" |
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rootok=1 ;; |
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UNSET|gpt-auto) |
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# systemd's gpt-auto-generator handles this case. |
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rootok=1 ;; |
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esac |
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[ -z "${root}${root_unset}" ] && die "Empty root= argument" |
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[ -z "$rootok" ] && die "Don't know how to handle 'root=$root'" |
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export root rflags fstype netroot NEWROOT |
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export -p > /dracut-state.sh |
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exit 0
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