mod-blkid.sh

   1 #!/bin/sh
   2 #
   3 # geninitrd mod: blkid
   4 USE_BLKID=${USE_BLKID:-yes}
   5
   6 # true if we should parse UUID= or LABEL= for root parameter
   7
   8 # setup geninitrd module
   9 # @access       public
  10 setup_mod_blkid() {
  11         blkid=$(find_tool $initrd_dir/blkid /sbin/initrd-blkid)
  12
  13         if [ ! -x "$blkid" ]; then
  14                 USE_BLKID=no
  15         fi
  16 }
  17
  18 # generate initrd fragment
  19 # @access       public
  20 initrd_gen_blkid() {
  21         debug "Adding BLKID support to initrd"
  22
  23         inst_exec $blkid /bin/blkid
  24         initrd_gen_devices
  25         add_linuxrc <<-'EOF'
  26                 # if built with blkid change ROOT=LABEL=something into ROOT=/dev/somethingelse -
  27                 # parsed by blkid
  28                 if [ "${ROOT##LABEL=}" != "${ROOT}" -o "${ROOT##UUID=}" != "${ROOT}" ]; then
  29                         ROOT="$(/bin/blkid -t $ROOT -o device -l)"
  30                 fi
  31         EOF
  32 }