util/grub.d/30_os-prober.in

   1 #! /bin/sh -e
   2
   3 # grub-mkconfig helper script.
   4 # Copyright (C) 2006,2007,2008,2009  Free Software Foundation, Inc.
   5 #
   6 # GRUB is free software: you can redistribute it and/or modify
   7 # it under the terms of the GNU General Public License as published by
   8 # the Free Software Foundation, either version 3 of the License, or
   9 # (at your option) any later version.
  10 #
  11 # GRUB is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  18
  19 prefix=@prefix@
  20 exec_prefix=@exec_prefix@
  21 libdir=@libdir@
  22
  23 . ${libdir}/grub/grub-mkconfig_lib
  24
  25 if [ -z "`which os-prober 2> /dev/null`" -o -z "`which linux-boot-prober 2> /dev/null`" ] ; then
  26   # missing os-prober and/or linux-boot-prober
  27   exit 0
  28 fi
  29
  30 OSPROBED="`os-prober 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
  31 if [ -z "${OSPROBED}" ] ; then
  32   # empty os-prober output, nothing doing
  33   exit 0
  34 fi
  35
  36 for OS in ${OSPROBED} ; do
  37   DEVICE="`echo ${OS} | cut -d ':' -f 1`"
  38   LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
  39   LABEL="`echo ${OS} | cut -d ':' -f 3 | tr '^' ' '`"
  40   BOOT="`echo ${OS} | cut -d ':' -f 4`"
  41
  42   if [ -z "${LONGNAME}" ] ; then
  43     LONGNAME="${LABEL}"
  44   fi
  45
  46   echo "Found ${LONGNAME} on ${DEVICE}" >&2
  47
  48   case ${BOOT} in
  49     chain)
  50       CHAINROOT="`grub-probe --target=drive --device ${DEVICE} 2> /dev/null`"
  51
  52       cat << EOF
  53 menuentry "${LONGNAME} (on ${DEVICE})" {
  54 EOF
  55       prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
  56
  57       cat << EOF
  58         drivemap -s (hd0) \${root}
  59         chainloader +1
  60 }
  61 EOF
  62     ;;
  63     linux)
  64       LINUXPROBED="`linux-boot-prober ${DEVICE} 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
  65
  66       for LINUX in ${LINUXPROBED} ; do
  67         LROOT="`echo ${LINUX} | cut -d ':' -f 1`"
  68         LBOOT="`echo ${LINUX} | cut -d ':' -f 2`"
  69         LLABEL="`echo ${LINUX} | cut -d ':' -f 3 | tr '^' ' '`"
  70         LKERNEL="`echo ${LINUX} | cut -d ':' -f 4`"
  71         LINITRD="`echo ${LINUX} | cut -d ':' -f 5`"
  72         LPARAMS="`echo ${LINUX} | cut -d ':' -f 6- | tr '^' ' '`"
  73
  74         if [ -z "${LLABEL}" ] ; then
  75           LLABEL="${LONGNAME}"
  76         fi
  77
  78         cat << EOF
  79 menuentry "${LLABEL} (on ${DEVICE})" {
  80 EOF
  81         prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
  82         cat <<  EOF
  83         linux ${LKERNEL} ${LPARAMS}
  84 EOF
  85         if [ -n "${LINITRD}" ] ; then
  86           cat << EOF
  87         initrd ${LINITRD}
  88 EOF
  89         fi
  90         cat << EOF
  91 }
  92 EOF
  93       done
  94     ;;
  95     macosx)
  96       OSXUUID="`grub-probe --target=fs_uuid --device ${DEVICE} 2> /dev/null`"
  97         cat << EOF
  98 menuentry "${LONGNAME} (on ${DEVICE})" {
  99 EOF
 100         prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
 101         cat << EOF
 102         insmod vbe
 103         do_resume=0
 104         if [ /var/vm/sleepimage -nt10 / ]; then
 105            if xnu_resume /var/vm/sleepimage; then
 106              do_resume=1
 107            fi
 108         fi
 109         if [ \$do_resume == 0 ]; then
 110            xnu_uuid ${OSXUUID} uuid
 111            if [ -f /Extra/DSDT.aml ]; then
 112               acpi -e /Extra/DSDT.aml
 113            fi
 114            xnu_kernel /mach_kernel boot-uuid=\${uuid} rd=*uuid
 115            if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then
 116               xnu_mkext /System/Library/Extensions.mkext
 117            else
 118               xnu_kextdir /System/Library/Extensions
 119            fi
 120            if [ -f /Extra/Extensions.mkext ]; then
 121               xnu_mkext /Extra/Extensions.mkext
 122            fi
 123            if [ -d /Extra/Extensions ]; then
 124               xnu_kextdir /Extra/Extensions
 125            fi
 126            if [ -f /Extra/devtree.txt ]; then
 127               xnu_devtree /Extra/devtree.txt
 128            fi
 129            if [ -f /Extra/splash.jpg ]; then
 130               insmod jpeg
 131               xnu_splash /Extra/splash.jpg
 132            fi
 133            if [ -f /Extra/splash.png ]; then
 134               insmod png
 135               xnu_splash /Extra/splash.png
 136            fi
 137            if [ -f /Extra/splash.tga ]; then
 138               insmod tga
 139               xnu_splash /Extra/splash.tga
 140            fi
 141         fi
 142 }
 143 EOF
 144     ;;
 145     hurd|*)
 146       echo "  ${LONGNAME} is not yet supported by grub-mkconfig." >&2
 147     ;;
 148   esac
 149 done