mod-blkid.sh

   1 #!/bin/sh
   2 #
   3 # geninitrd mod: blkid
   4
   5 # true if we should parse UUID= or LABEL= for root parameter
   6 have_blkid=no
   7
   8 blkid=$(find_tool $initrd_dir/blkid /sbin/initrd-blkid)
   9 if [ -x "$blkid" ]; then
  10         USE_BLKID=yes
  11 else
  12         USE_BLKID=no
  13 fi
  14
  15 # generate initrd fragment
  16 # @access       public
  17 initrd_gen_blkid() {
  18         debug "Adding BLKID support to initrd"
  19
  20         inst_exec $blkid /bin/blkid
  21         initrd_gen_devices
  22         add_linuxrc <<-'EOF'
  23                 # if built with blkid change ROOT=LABEL=something into ROOT=/dev/somethingelse -
  24                 # parsed by blkid
  25                 if [ "${ROOT##LABEL=}" != "${ROOT}" -o "${ROOT##UUID=}" != "${ROOT}" ]; then
  26                         ROOT="$(/bin/blkid -t $ROOT -o device -l)"
  27                 fi
  28         EOF
  29 }