prefix=/usr
exec_prefix=${prefix}
libdir=/lib64

prefix=/usr
exec_prefix=${prefix}
libdir=${exec_prefix}/lib

#! /bin/sh
set -e

# grub-mkconfig helper script.
# Copyright (C) 2006,2007,2008,2009  Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB.  If not, see <http://www.gnu.org/licenses/>.

#prefix=/usr
#exec_prefix=${prefix}
#libdir=${exec_prefix}/lib

prefix=/usr
exec_prefix=${prefix}
libdir=/lib64


. ${libdir}/grub/grub-mkconfig_lib

if [ "x${GRUB_DISABLE_OS_PROBER}" = "xtrue" ]; then
  exit 0
fi

if [ -z "`which os-prober 2> /dev/null`" -o -z "`which linux-boot-prober 2> /dev/null`" ] ; then
  # missing os-prober and/or linux-boot-prober
  exit 0
fi

OSPROBED="`os-prober | tr ' ' '^' | paste -s -d ' '`"
if [ -z "${OSPROBED}" ] ; then
  # empty os-prober output, nothing doing
  exit 0
fi

osx_entry() {
        cat << EOF
menuentry "${LONGNAME} (${2}-bit) (on ${DEVICE})" --class osx --class darwin --class os {
EOF
    save_default_entry | sed -e "s/^/\t/"
    prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
    cat << EOF
        load_video
        set do_resume=0
        if [ /var/vm/sleepimage -nt10 / ]; then
           if xnu_resume /var/vm/sleepimage; then
             set do_resume=1
           fi
        fi
        if [ \$do_resume = 0 ]; then
           xnu_uuid ${OSXUUID} uuid
           if [ -f /Extra/DSDT.aml ]; then
              acpi -e /Extra/DSDT.aml
           fi
           $1 /mach_kernel boot-uuid=\${uuid} rd=*uuid
           if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then
              xnu_mkext /System/Library/Extensions.mkext
           else
              xnu_kextdir /System/Library/Extensions
           fi
           if [ -f /Extra/Extensions.mkext ]; then
              xnu_mkext /Extra/Extensions.mkext
           fi
           if [ -d /Extra/Extensions ]; then
              xnu_kextdir /Extra/Extensions
           fi
           if [ -f /Extra/devprop.bin ]; then
              xnu_devprop_load /Extra/devprop.bin
           fi
           if [ -f /Extra/splash.jpg ]; then
              insmod jpeg
              xnu_splash /Extra/splash.jpg
           fi
           if [ -f /Extra/splash.png ]; then
              insmod png
              xnu_splash /Extra/splash.png
           fi
           if [ -f /Extra/splash.tga ]; then
              insmod tga
              xnu_splash /Extra/splash.tga
           fi
        fi
}
EOF
}

for OS in ${OSPROBED} ; do
  DEVICE="`echo ${OS} | cut -d ':' -f 1`"
  LONGNAME="`echo ${OS} | cut -d ':' -f 2 | tr '^' ' '`"
  LABEL="`echo ${OS} | cut -d ':' -f 3 | tr '^' ' '`"
  BOOT="`echo ${OS} | cut -d ':' -f 4`"

  if [ -z "${LONGNAME}" ] ; then
    LONGNAME="${LABEL}"
  fi

  echo "Found ${LONGNAME} on ${DEVICE}" >&2

  case ${BOOT} in
    chain)

      cat << EOF
menuentry "${LONGNAME} (on ${DEVICE})" --class windows --class os {
EOF
      save_default_entry | sed -e "s/^/\t/"
      prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"

      case ${LONGNAME} in
    Windows\ Vista*|Windows\ 7*|Windows\ Server\ 2008*)
    ;;
    *)
      cat << EOF
    drivemap -s (hd0) \${root}
EOF
    ;;
      esac

      cat <<EOF
    chainloader +1
}
EOF
    ;;
    linux)
      LINUXPROBED="`linux-boot-prober ${DEVICE} 2> /dev/null | tr ' ' '^' | paste -s -d ' '`"
      prepare_boot_cache=

      for LINUX in ${LINUXPROBED} ; do
        LROOT="`echo ${LINUX} | cut -d ':' -f 1`"
        LBOOT="`echo ${LINUX} | cut -d ':' -f 2`"
        LLABEL="`echo ${LINUX} | cut -d ':' -f 3 | tr '^' ' '`"
        LKERNEL="`echo ${LINUX} | cut -d ':' -f 4`"
        LINITRD="`echo ${LINUX} | cut -d ':' -f 5`"
        LPARAMS="`echo ${LINUX} | cut -d ':' -f 6- | tr '^' ' '`"

        if [ -z "${LLABEL}" ] ; then
          LLABEL="${LONGNAME}"
        fi

    if [ "${LROOT}" != "${LBOOT}" ]; then
      LKERNEL="${LKERNEL#/boot}"
      LINITRD="${LINITRD#/boot}"
    fi

        cat << EOF
menuentry "${LLABEL} (on ${DEVICE})" --class gnu-linux --class gnu --class os {
EOF
    save_default_entry | sed -e "s/^/\t/"
    if [ -z "${prepare_boot_cache}" ]; then
      prepare_boot_cache="$(prepare_grub_to_access_device ${LBOOT} | sed -e "s/^/\t/")"
    fi
    printf '%s\n' "${prepare_boot_cache}"
    cat <<  EOF
    linux ${LKERNEL} ${LPARAMS}
EOF
        if [ -n "${LINITRD}" ] ; then
          cat << EOF
    initrd ${LINITRD}
EOF
        fi
        cat << EOF
}
EOF
      done
    ;;
    macosx)
      OSXUUID="`grub-probe --target=fs_uuid --device ${DEVICE} 2> /dev/null`"
      osx_entry xnu_kernel 32
      osx_entry xnu_kernel64 64
    ;;
    hurd)
      cat << EOF
menuentry "${LONGNAME} (on ${DEVICE})" --class hurd --class gnu --class os {
EOF
      save_default_entry | sed -e "s/^/\t/"
      prepare_grub_to_access_device ${DEVICE} | sed -e "s/^/\t/"
      grub_device="`${grub_probe} --device ${DEVICE} --target=drive`"
      mach_device="`echo "${grub_device}" | sed -e 's/(\(hd.*\),msdos\(.*\))/\1s\2/'`"
      grub_fs="`${grub_probe} --device ${DEVICE} --target=fs`"
      case "${grub_fs}" in
    *fs)    hurd_fs="${grub_fs}" ;;
    *)    hurd_fs="${grub_fs}fs" ;;
      esac
      cat << EOF
    multiboot /boot/gnumach.gz root=device:${mach_device}
    module /hurd/${hurd_fs}.static ${hurd_fs} --readonly \\
            --multiboot-command-line='\${kernel-command-line}' \\
            --host-priv-port='\${host-port}' \\
            --device-master-port='\${device-port}' \\
            --exec-server-task='\${exec-task}' -T typed '\${root}' \\
            '\$(task-create)' '\$(task-resume)'
    module /lib/ld.so.1 exec /hurd/exec '\$(exec-task=task-create)'
}
EOF
    ;;
    *)
      echo "  ${LONGNAME} is not yet supported by grub-mkconfig." >&2
    ;;
  esac
done

$ grub2-mkconfig -o /boot/grub2/grub.cfg                                                            
Generating grub.cfg ...
Found linux image: /boot/kernel-genkernel-x86_64-3.2.9-zen+
Found initrd image: /boot/initramfs-genkernel-x86_64-3.2.9-zen+
  No volume groups found
Found Ubuntu precise (development branch) (12.04) on /dev/sda1
Found Funtoo Linux - baselayout 2.1.8 on /dev/sda2
Found Debian GNU/Linux (wheezy/sid) on /dev/sdb1
done

sys-boot/grub-1.99-r2

sys-boot/grub-2.00_beta0

sys-boot/grub-2.00_beta1

sys-boot/grub-9999

menuentry "Win7 {
   insmod ntfs
   set root='(hd0,1)'
   chainloader +1
}

$ grub2-mkconfig -o /boot/grub2/grub.cfg

#!/bin/sh
set -e
exec grub2-mkconfig -o /boot/grub2/grub.cfg "$@"

=sys-boot/grub-1.99-r2 **

>>> Emerging (1 of 1) sys-boot/grub-9999
>>> Unpacking source...
 * bzr pull start -->
 *    repository: [url]http://bzr.savannah.gnu.org/r/grub/trunk/grub/[/url]
[url]http://bzr.savannah.gnu.org/r/grub/trunk/grub[/url] is permanently redirected to [url]http://bzr.savannah.gnu.org/r/grub/trunk/grub/[/url]
No revisions to pull.                                                                                                                                                              
 * exporting ...
 * revision 4109 is now in /var/tmp/portage/sys-boot/grub-9999/work/grub-9999
>>> Source unpacked in /var/tmp/portage/sys-boot/grub-9999/work
>>> Preparing source in /var/tmp/portage/sys-boot/grub-9999/work/grub-9999 ...
Importing unicode...
  File "util/import_unicode.py", line 138
    print "Too long range"
                         ^
SyntaxError: invalid syntax
 * ERROR: sys-boot/grub-9999 failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  85:  Called src_prepare
 *   environment, line 3072:  Called die
 * The specific snippet of code:
 *           ( . ./autogen.sh ) || die;
 * 
 * If you need support, post the output of 'emerge --info =sys-boot/grub-9999',
 * the complete build log and the output of 'emerge -pqv =sys-boot/grub-9999'.
 * The complete build log is located at '/var/tmp/portage/sys-boot/grub-9999/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-boot/grub-9999/temp/environment'.
 * S: '/var/tmp/portage/sys-boot/grub-9999/work/grub-9999'

>>> Failed to emerge sys-boot/grub-9999, Log file:

>>>  '/var/tmp/portage/sys-boot/grub-9999/temp/build.log'

 * Messages for package sys-boot/grub-9999:

 * ERROR: sys-boot/grub-9999 failed (prepare phase):
 *   (no error message)
 * 
 * Call stack:
 *     ebuild.sh, line  85:  Called src_prepare
 *   environment, line 3072:  Called die
 * The specific snippet of code:
 *           ( . ./autogen.sh ) || die;
 * 
 * If you need support, post the output of 'emerge --info =sys-boot/grub-9999',
 * the complete build log and the output of 'emerge -pqv =sys-boot/grub-9999'.
 * The complete build log is located at '/var/tmp/portage/sys-boot/grub-9999/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/sys-boot/grub-9999/temp/environment'.
 * S: '/var/tmp/portage/sys-boot/grub-9999/work/grub-9999'

=sys-boot/grub-9999 **

# Mint
image=/mnt/sda6/boot/vmlinuz-3.0.0-12-generic
  label=mint
  read-only
  root=/dev/sda6
  append="root=UUID=40df6419-a694-4f92-8501-6d662649d05d ro quiet splash"
  initrd=/mnt/sda6/boot/initrd.img-3.0.0-12-generic