grub.cfg Live iso booting

#
# jMc
#
#

### BEGIN /etc/grub.d/00_header ###
if [ -s $prefix/grubenv ]; then
  set have_grubenv=true
  load_env
fi
if [ "${next_entry}" ] ; then
   set default="${next_entry}"
   set next_entry=
   save_env next_entry
   set boot_once=true
else
   set default="0"
fi

if [ x"${feature_menuentry_id}" = xy ]; then
  menuentry_id_option="--id"
else
  menuentry_id_option=""
fi

export menuentry_id_option

if [ "${prev_saved_entry}" ]; then
  set saved_entry="${prev_saved_entry}"
  save_env saved_entry
  set prev_saved_entry=
  save_env prev_saved_entry
  set boot_once=true
fi

function savedefault {
  if [ -z "${boot_once}" ]; then
    saved_entry="${chosen}"
    save_env saved_entry
  fi
}
function recordfail {
  set recordfail=1
  if [ -n "${have_grubenv}" ]; then if [ -z "${boot_once}" ]; then save_env recordfail; fi; fi
}
function load_video {
  if [ x$feature_all_video_module = xy ]; then
    insmod all_video
  else
    insmod efi_gop
    insmod efi_uga
    insmod ieee1275_fb
    insmod vbe
    insmod vga
    insmod video_bochs
    insmod video_cirrus
  fi
}

if [ x$feature_default_font_path = xy ] ; then
   font=unicode
else
insmod part_msdos
insmod ext2
set root='hd1,msdos1'
if [ x$feature_platform_search_hint = xy ]; then
  search --no-floppy --fs-uuid --set=root --hint-bios=hd1,msdos1 --hint-efi=hd1,msdos1 --hint-baremetal=ahci1,msdos1  9d301a2e-2ea5-4cbe-9f89-db25549a06c2
else
  search --no-floppy --fs-uuid --set=root 9d301a2e-2ea5-4cbe-9f89-db25549a06c2
fi
    font="/usr/share/grub/unicode.pf2"
fi

if loadfont $font ; then
  set gfxmode=auto
  load_video
  insmod gfxterm
  set locale_dir=$prefix/locale
  set lang=en_US
  insmod gettext
fi
terminal_output gfxterm
if [ "${recordfail}" = 1 ] ; then
  set timeout=30
else
  if [ x$feature_timeout_style = xy ] ; then
    set timeout_style=menu
    set timeout=2
  # Fallback normal timeout code in case the timeout_style feature is
  # unavailable.
  else
    set timeout=2
  fi
fi
### END /etc/grub.d/00_header ###


### BEGIN /etc/grub.d/05_debian_theme ###
set menu_color_normal=white/black
set menu_color_highlight=black/light-gray
### END /etc/grub.d/05_debian_theme ###

### BEGIN /etc/grub.d/10_linux ###
function gfxmode {
	set gfxpayload="${1}"
	if [ "${1}" = "keep" ]; then
		set vt_handoff=vt.handoff=7
	else
		set vt_handoff=
	fi
}
if [ "${recordfail}" != 1 ]; then
  if [ -e ${prefix}/gfxblacklist.txt ]; then
    if hwmatch ${prefix}/gfxblacklist.txt 3; then
      if [ ${match} = 0 ]; then
        set linux_gfx_mode=keep
      else
        set linux_gfx_mode=text
      fi
    else
      set linux_gfx_mode=text
    fi
  else
    set linux_gfx_mode=keep
  fi
else
  set linux_gfx_mode=text
fi
export linux_gfx_mode



menuentry "PartedMagic_2012_09_12" {
    insmod part_gpt
    set isofile="/boot/PartedMagic_2012_09_12.iso"
    loopback loop $isofile
    linux (loop)/pmagic/bzImage iso_filename=$isofile edd=off load_ramdisk=1 prompt_ramdisk=0 rw vga=normal loglevel=9 max_loop=256 vmalloc=512MiB
    initrd (loop)/pmagic/initrd.img
}

menuentry "Super Grub Disk 1.98" {
	insmod part_gpt
	insmod memdisk
	linux16 /boot/memdisk raw
	initrd16 /boot/super_grub_disk_hybrid-1.98s1.iso
}

menuentry "Acronis True Image Enterprise Server 9.5 Build 8076" {
	insmod part_gpt
	insmod memdisk
	linux16 /boot/memdisk iso raw
	initrd16 /boot/acronisbootable.iso
}

menuentry "ntpasswd - Petter Nordahl-Hagen" {
	insmod part_gpt
	insmod memdisk
	linux16 /boot/memdisk iso
	initrd16 /boot/ntpasswd/cd140201.iso
}

menuentry "DBAN - Darik's Boot and Nuke 2.2.8" {
	insmod part_gpt
	insmod memdisk
	linux16 /boot/memdisk iso
	initrd16 /boot/dban-2.2.8_i586.iso
}

set timeout_style=menu
if [ "${timeout}" = 0 ]; then
  set timeout=10
fi