code.delx.au - refind/blob - mountesp

   1 #!/bin/bash
   2 #
   3 # Mac OS X script to locate and mount an EFI System Partition (ESP)
   4 #
   5 # Usage:
   6 #
   7 # ./mountesp
   8 #
   9 # This program is copyright (c) 2012-2015 by Roderick W. Smith
  10 # It is released under the terms of the GNU GPL, version 3,
  11 # a copy of which should be included in the file COPYING.txt.
  12 #
  13 # Revision history:
  14 #
  15 # 0.9.3   -- Initial release (with rEFInd 0.9.3)
  16
  17 # Mount the ESP at /Volumes/ESP or determine its current mount
  18 # point.
  19 MountOSXESP() {
  20     # Identify the ESP. Note: This returns the FIRST ESP found;
  21     # if the system has multiple disks, this could be wrong!
  22     Temp=$(mount | sed -n -E "/^(\/dev\/disk[0-9]+s[0-9]+) on \/ \(.*$/s//\1/p")
  23     if [ $Temp ]; then
  24         Temp=$(diskutil list | grep " EFI " | grep -o 'disk.*' | head -n 1)
  25         if [ -z $Temp ]; then
  26             echo "Warning: root device doesn't have an EFI partition"
  27         fi
  28     else
  29         echo "Warning: root device could not be found"
  30     fi
  31     if [ -z $Temp ]; then
  32         Temp=$(diskutil list | sed -n -E '/^ *[0-9]+:[ ]+EFI EFI[ ]+[0-9.]+ [A-Z]+[ ]+(disk[0-9]+s[0-9]+)$/ { s//\1/p
  33                 q
  34             }' )
  35
  36         if [ -z $Temp ]; then
  37             echo "Could not find an EFI partition. Aborting!"
  38             exit 1
  39         fi
  40     fi
  41     Esp=/dev/`echo $Temp`
  42     echo "The ESP has been identified as $Esp; attempting to mount it...."
  43     # If the ESP is mounted, use its current mount point....
  44     Temp=`df -P | grep "$Esp "`
  45     MountPoint=`echo $Temp | cut -f 6- -d ' '`
  46     if [[ "$MountPoint" == '' ]] ; then
  47         if [[ $UID != 0 ]] ; then
  48             echo "You must run this program as root or using sudo! Exiting!"
  49             exit 1
  50         fi
  51         MountPoint="/Volumes/ESP"
  52         mkdir /Volumes/ESP &> /dev/null
  53         mount -t msdos "$Esp" $MountPoint
  54         # Some systems have HFS+ "ESPs." They shouldn't, but they do. If this is
  55         # detected, mount it as such and set appropriate options.
  56         if [[ $? != 0 ]] ; then
  57             mount -t hfs "$Esp" $MountPoint
  58             if [[ $? != 0 ]] ; then
  59                 echo "Unable to mount ESP!\n"
  60                 exit 1
  61             fi
  62         fi
  63     fi
  64     echo "The ESP is mounted at $MountPoint"
  65 } # MountOSXESP()
  66
  67 #
  68 # Main part of script....
  69 #
  70
  71 case "$OSTYPE" in
  72     darwin*)
  73             MountOSXESP
  74             ;;
  75     *)
  76             echo "This script is meant to be run under OS X *ONLY*! Exiting!"
  77             exit
  78             ;;
  79 esac