modules.d/98systemd/dracut-cmdline.sh

   1 #!/bin/sh
   2 # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*-
   3 # ex: ts=8 sw=4 sts=4 et filetype=sh
   4
   5 if [ -f /dracut-state.sh ]; then
   6     . /dracut-state.sh 2>/dev/null
   7 fi
   8 type getarg >/dev/null 2>&1 || . /lib/dracut-lib.sh
   9
  10 [ -f /etc/initrd-release ] && . /etc/initrd-release
  11 [ -n "$VERSION" ] && info "dracut-$VERSION"
  12
  13 if ! getargbool 1 'rd.hostonly'; then
  14     remove_hostonly_files
  15 fi
  16
  17 getargbool 0 rd.udev.log-priority=info -d rd.udev.info -d -n -y rdudevinfo && echo 'udev_log="info"' >> /etc/udev/udev.conf
  18 getargbool 0 rd.udev.log-priority=debug -d rd.udev.debug -d -n -y rdudevdebug && echo 'udev_log="debug"' >> /etc/udev/udev.conf
  19
  20 source_conf /etc/conf.d
  21
  22 root=$(getarg root=)
  23
  24 rflags="$(getarg rootflags=)"
  25 getargbool 0 ro && rflags="${rflags},ro"
  26 getargbool 0 rw && rflags="${rflags},rw"
  27 rflags="${rflags#,}"
  28
  29 fstype="$(getarg rootfstype=)"
  30 if [ -z "$fstype" ]; then
  31     fstype="auto"
  32 fi
  33
  34 export root
  35 export rflags
  36 export fstype
  37
  38 make_trace_mem "hook cmdline" '1+:mem' '1+:iomem' '3+:slab'
  39 # run scriptlets to parse the command line
  40 getarg 'rd.break=cmdline' -d 'rdbreak=cmdline' && emergency_shell -n cmdline "Break before cmdline"
  41 source_hook cmdline
  42
  43 [ -f /lib/dracut/parse-resume.sh ] && . /lib/dracut/parse-resume.sh
  44
  45 case "$root" in
  46     block:LABEL=*|LABEL=*)
  47         root="${root#block:}"
  48         root="$(echo $root | sed 's,/,\\x2f,g')"
  49         root="block:/dev/disk/by-label/${root#LABEL=}"
  50         rootok=1 ;;
  51     block:UUID=*|UUID=*)
  52         root="${root#block:}"
  53         root="block:/dev/disk/by-uuid/${root#UUID=}"
  54         rootok=1 ;;
  55     block:PARTUUID=*|PARTUUID=*)
  56         root="${root#block:}"
  57         root="block:/dev/disk/by-partuuid/${root#PARTUUID=}"
  58         rootok=1 ;;
  59     block:PARTLABEL=*|PARTLABEL=*)
  60         root="${root#block:}"
  61         root="block:/dev/disk/by-partlabel/${root#PARTLABEL=}"
  62         rootok=1 ;;
  63     /dev/*)
  64         root="block:${root}"
  65         rootok=1 ;;
  66 esac
  67
  68 [ -z "$root" ] && die "No or empty root= argument"
  69 [ -z "$rootok" ] && die "Don't know how to handle 'root=$root'"
  70
  71 export root rflags fstype netroot NEWROOT
  72
  73 export -p > /dracut-state.sh
  74
  75 exit 0