1#!/bin/bash
2grub_dir_i386_efi=arch/i386/efi/grub
3grub_dir_i386_legacy=arch/i386/legacy/grub
4grub_dir_x86_64_efi=arch/x86_64/efi/grub
5
6mkdir -p ${grub_dir_i386_efi}
7mkdir -p ${grub_dir_i386_legacy}
8mkdir -p ${grub_dir_x86_64_efi}
9
10
11#检测grub是否已经安装
12if [ -d ${grub_dir_i386_efi}/bin ] || [ -d ${grub_dir_i386_legacy}/bin ] && [ -d ${grub_dir_x86_64_efi}/bin ] ; then
13	exit 0
14fi
15#仅支持Ubuntu/Debain下的自动安装
16if ! hash 2>/dev/null apt-get; then
17	echo "脚本暂不支持对该系统下grub的安装，请手动完成"
18	exit 0
19fi
20#下载grub2.06
21if [ ! -f "grub-2.06.tar.xz" ]; then
22    wget https://mirrors.tuna.tsinghua.edu.cn/gnu/grub/grub-2.06.tar.xz || exit 1
23fi
24
25echo "开始下载grub2.06"
26
27echo "下载完成"
28tar xvf grub-2.06.tar.xz
29#安装对应依赖
30sudo apt-get update
31sudo apt-get install -y \
32	make 	\
33  	binutils \
34  	bison 	\
35  	gcc 	\
36  	gettext \
37	flex	\
38	bison	\
39	automake	\
40	autoconf
41
42cd grub-2.06
43echo "开始安装grub2.06"
44#编译安装三个版本的grub
45./configure --target=i386 --prefix=$(dirname $PWD)/${grub_dir_i386_legacy} || exit 1
46make -j $(nproc) || exit 1
47make install || exit 1
48make clean || exit 1
49
50./configure --target=i386 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_i386_efi} ||	exit 1
51make -j $(nproc) || exit 1
52make install || exit 1
53make clean || exit 1
54
55./configure --target=x86_64 --with-platform=efi --prefix=$(dirname $PWD)/${grub_dir_x86_64_efi} || exit 1
56make -j $(nproc) || exit 1
57make install || exit 1
58
59cd ..
60#解除权限限制
61sudo chmod -R 777 ${grub_dir_i386_legacy}
62sudo chmod -R 777 ${grub_dir_i386_efi}
63sudo chmod -R 777 ${grub_dir_x86_64_efi}
64rm -rf grub-2.06
65rm grub-2.06.tar.xz*
66echo "grub2.06安装完成"
67