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) 2015 by Roderick W. Smith
  10 #
  11 # This program is licensed under the terms of the GNU GPL, version 3,
  12 # or (at your option) any later version.
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program. If not, see <http://www.gnu.org/licenses/>.
  15 #
  16 # Revision history:
  17 #
  18 # 0.9.3   -- Initial release (with rEFInd 0.9.3)
  19
  20 # Mount the ESP at /Volumes/ESP or determine its current mount
  21 # point.
  22 MountOSXESP() {
  23     # Identify the ESP. Note: This returns the FIRST ESP found;
  24     # if the system has multiple disks, this could be wrong!
  25     Temp=$(mount | sed -n -E "/^(\/dev\/disk[0-9]+s[0-9]+) on \/ \(.*$/s//\1/p")
  26     if [ $Temp ]; then
  27         Temp=$(diskutil list | grep " EFI " | grep -o 'disk.*' | head -n 1)
  28         if [ -z $Temp ]; then
  29             echo "Warning: root device doesn't have an EFI partition"
  30         fi
  31     else
  32         echo "Warning: root device could not be found"
  33     fi
  34     if [ -z $Temp ]; then
  35         Temp=$(diskutil list | sed -n -E '/^ *[0-9]+:[ ]+EFI EFI[ ]+[0-9.]+ [A-Z]+[ ]+(disk[0-9]+s[0-9]+)$/ { s//\1/p
  36                 q
  37             }' )
  38
  39         if [ -z $Temp ]; then
  40             echo "Could not find an EFI partition. Aborting!"
  41             exit 1
  42         fi
  43     fi
  44     Esp=/dev/`echo $Temp`
  45     echo "The ESP has been identified as $Esp; attempting to mount it...."
  46     # If the ESP is mounted, use its current mount point....
  47     Temp=`df -P | grep "$Esp "`
  48     MountPoint=`echo $Temp | cut -f 6- -d ' '`
  49     if [[ "$MountPoint" == '' ]] ; then
  50         if [[ $UID != 0 ]] ; then
  51             echo "You must run this program as root or using sudo! Exiting!"
  52             exit 1
  53         fi
  54         MountPoint="/Volumes/ESP"
  55         mkdir /Volumes/ESP &> /dev/null
  56         mount -t msdos "$Esp" $MountPoint
  57         # Some systems have HFS+ "ESPs." They shouldn't, but they do. If this is
  58         # detected, mount it as such and set appropriate options.
  59         if [[ $? != 0 ]] ; then
  60             mount -t hfs "$Esp" $MountPoint
  61             if [[ $? != 0 ]] ; then
  62                 echo "Unable to mount ESP!\n"
  63                 exit 1
  64             fi
  65         fi
  66     fi
  67     echo "The ESP is mounted at $MountPoint"
  68 } # MountOSXESP()
  69
  70 #
  71 # Main part of script....
  72 #
  73
  74 case "$OSTYPE" in
  75     darwin*)
  76             MountOSXESP
  77             ;;
  78     *)
  79             echo "This script is meant to be run under OS X *ONLY*! Exiting!"
  80             exit
  81             ;;
  82 esac