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-rw-r--r--debian/grub-extras/lua/osdetect.lua204
1 files changed, 204 insertions, 0 deletions
diff --git a/debian/grub-extras/lua/osdetect.lua b/debian/grub-extras/lua/osdetect.lua
new file mode 100644
index 0000000..a264e61
--- /dev/null
+++ b/debian/grub-extras/lua/osdetect.lua
@@ -0,0 +1,204 @@
+#!lua
+--
+-- Copyright (C) 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/>.
+--
+
+function enum_device (device, fs, uuid)
+ local root
+ local title
+ local source
+ local kernels = {}
+ local kernelnames = {}
+ local kernel_num = 0
+
+ local function enum_file (name)
+ local version
+
+ version = string.match (name, "vmlinuz%-(.*)")
+ if (version == nil) then
+ version = string.match (name, "linux%-(.*)")
+ end
+ if (version ~= nil) then
+ table.insert (kernels, version)
+ table.insert (kernelnames, name)
+ kernel_num = kernel_num + 1
+ end
+ end
+
+ local function sort_kernel (first, second)
+ local a1, a2, a3, a4, b1, b2, b3, b4
+
+ a1, a2, a3, a4 = string.match (first, "(%d+)%.?(%d*).?(%d*)%-?(%d*)")
+ b1, b2, b3, b4 = string.match (second, "(%d+)%.?(%d*).?(%d*)%-?(%d*)")
+ return (a1 > b1) or (a2 > b2) or (a3 > b3) or (a4 < b4);
+ end
+ local function freebsd_variants (title, header, footer)
+ normal = "\nset FreeBSD.acpi_load=YES" ..
+ "\nset FreeBSD.hint.acpi.0.disabled=0"
+ noacpi = "\nunset FreeBSD.acpi_load" ..
+ "\nset FreeBSD.hint.acpi.0.disabled=1" ..
+ "\nset FreeBSD.loader.acpi_disabled_by_user=1"
+ safe = "\nset FreeBSD.hint.apic.0.disabled=1" ..
+ "\nset FreeBSD.hw.ata.ata_dma=0" ..
+ "\nset FreeBSD.hw.ata.atapi_dma=0" ..
+ "\nset FreeBSD.hw.ata.wc=0" ..
+ "\nset FreeBSD.hw.eisa_slots=0" ..
+ "\nset FreeBSD.hint.kbdmux.0.disabled=1"
+ grub.add_menu (header .. normal .. footer, title)
+ grub.add_menu (header .. " --single" .. normal .. footer,
+ title .. " (single)")
+ grub.add_menu (header .. " --verbose" .. normal .. footer,
+ title .. " (verbose)")
+ grub.add_menu (header .. " --verbose" .. noacpi .. footer,
+ title .. " (without ACPI)")
+ grub.add_menu (header .. " --verbose" .. noacpi .. safe .. footer,
+ title .. " (safe mode)")
+ end
+
+ root = "(" .. device .. ")/"
+ source = "set root=" .. device .. "\nchainloader +1"
+
+ local drive_num = string.match (device, "hd(%d+)")
+ if (drive_num ~= nil) and (drive_num ~= "0") then
+ source = source .. "\ndrivemap -s hd0 hd" .. drive_num
+ end
+
+ title = nil
+ if (grub.file_exist (root .. "bootmgr") and
+ grub.file_exist (root .. "boot/bcd")) then
+ title = "Windows Vista bootmgr"
+ source = "set root=" .. device .. "\nchainloader +1"
+ elseif (grub.file_exist (root .. "ntldr") and
+ grub.file_exist (root .. "ntdetect.com") and
+ grub.file_exist (root .. "boot.ini")) then
+ title = "Windows NT/2000/XP loader"
+ elseif (grub.file_exist (root .. "windows/win.com")) then
+ title = "Windows 98/ME"
+ elseif (grub.file_exist (root .. "io.sys") and
+ grub.file_exist (root .. "command.com")) then
+ title = "MS-DOS"
+ elseif (grub.file_exist (root .. "kernel.sys")) then
+ title = "FreeDOS"
+ elseif ((fs == "ufs1" or fs == "ufs2") and grub.file_exist (root .. "boot/kernel/kernel") and
+ grub.file_exist (root .. "boot/device.hints")) then
+ header = "set root=" .. device .. "\nfreebsd /boot/kernel/kernel"
+ footer = "\nset FreeBSD.vfs.root.mountfrom=ufs:ufsid/" .. uuid ..
+ "\nfreebsd_loadenv /boot/device.hints"
+ title = "FreeBSD (on " .. fs .. " ".. device .. ")"
+ freebsd_variants (title, header, footer)
+ return 0
+ elseif (fs == "zfs" and grub.file_exist (root .. "/@/boot/kernel/kernel") and
+ grub.file_exist (root .. "/@/boot/device.hints")) then
+ header = "set root=" .. device .. "\nfreebsd /@/boot/kernel/kernel"
+ footer = "\nfreebsd_module_elf /@/boot/kernel/opensolaris.ko" ..
+ "\nfreebsd_module_elf /@/boot/kernel/zfs.ko" ..
+ "\nfreebsd_module /@/boot/zfs/zpool.cache type=/boot/zfs/zpool.cache" ..
+ "\nprobe -l -s name $root" ..
+ "\nset FreeBSD.vfs.root.mountfrom=zfs:$name" ..
+ "\nfreebsd_loadenv /@/boot/device.hints"
+ title = "FreeBSD (on " .. fs .. " ".. device .. ")"
+ freebsd_variants (title, header, footer)
+ return 0
+ elseif (fs == "hfsplus" and grub.file_exist (root .. "mach_kernel")) then
+ source = "set root=" .. device ..
+ "\ninsmod vbe" ..
+ "\ndo_resume=0" ..
+ "\nif [ /var/vm/sleepimage -nt10 / ]; then" ..
+ "\n if xnu_resume /var/vm/sleepimage; then" ..
+ "\n do_resume=1" ..
+ "\n fi" ..
+ "\nfi" ..
+ "\nif [ $do_resume == 0 ]; then" ..
+ "\n xnu_uuid " .. uuid .. " uuid" ..
+ "\n if [ -f /Extra/DSDT.aml ]; then" ..
+ "\n acpi -e /Extra/DSDT.aml" ..
+ "\n fi" ..
+ "\n xnu_kernel /mach_kernel boot-uuid=${uuid} rd=*uuid" ..
+ "\n if [ /System/Library/Extensions.mkext -nt /System/Library/Extensions ]; then" ..
+ "\n xnu_mkext /System/Library/Extensions.mkext" ..
+ "\n else" ..
+ "\n xnu_kextdir /System/Library/Extensions" ..
+ "\n fi" ..
+ "\n if [ -f /Extra/Extensions.mkext ]; then" ..
+ "\n xnu_mkext /Extra/Extensions.mkext" ..
+ "\n fi" ..
+ "\n if [ -d /Extra/Extensions ]; then" ..
+ "\n xnu_kextdir /Extra/Extensions" ..
+ "\n fi" ..
+ "\n if [ -f /Extra/devtree.txt ]; then" ..
+ "\n xnu_devtree /Extra/devtree.txt" ..
+ "\n fi" ..
+ "\n if [ -f /Extra/splash.jpg ]; then" ..
+ "\n insmod jpeg" ..
+ "\n xnu_splash /Extra/splash.jpg" ..
+ "\n fi" ..
+ "\n if [ -f /Extra/splash.png ]; then" ..
+ "\n insmod png" ..
+ "\n xnu_splash /Extra/splash.png" ..
+ "\n fi" ..
+ "\n if [ -f /Extra/splash.tga ]; then" ..
+ "\n insmod tga" ..
+ "\n xnu_splash /Extra/splash.tga" ..
+ "\n fi" ..
+ "\nfi"
+ title = "Mac OS X/Darwin"
+ else
+ grub.enum_file (enum_file, root .. "boot")
+ if kernel_num ~= 0 then
+ table.sort (kernels, sort_kernel)
+ table.sort (kernelnames, sort_kernel)
+ for i = 1, kernel_num do
+ local initrd
+
+ title = "Linux " .. kernels[i]
+ source = "set root=" .. device ..
+ "\nlinux /boot/" .. kernelnames[i] ..
+ " root=UUID=" .. uuid .. " ro"
+
+ if grub.file_exist (root .. "boot/initrd-" ..
+ kernels[i] .. ".img") then
+ initrd = "\ninitrd /boot/initrd-" .. kernels[i] .. ".img"
+ elseif grub.file_exist (root .. "boot/initrd.img-" .. kernels[i]) then
+ initrd = "\ninitrd /boot/initrd.img-" .. kernels[i]
+ elseif grub.file_exist (root .. "boot/initrd-" .. kernels[i]) then
+ initrd = "\ninitrd /boot/initrd-" .. kernels[i]
+ else
+ initrd = ""
+ end
+
+ grub.add_menu (source .. initrd, title)
+ grub.add_menu (source .. " single" .. initrd,
+ title .. " (single-user mode)")
+ end
+ return 0
+ end
+ end
+
+ if title == nil then
+ local partition = string.match (device, ".*,(%d+)")
+
+ if (partition ~= nil) and (tonumber (partition) > 4) then
+ return 0
+ end
+
+ title = "Other OS"
+ end
+
+ grub.add_menu (source, title)
+ return 0
+end
+
+grub.enum_device (enum_device)