shuguang/reinstall
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

core: 支持重启到 netboot.xyz

Browse Source
This commit is contained in:
bin456789 2023-11-09 22:27:07 +08:00
parent 6f101bb3c7
commit 60d3d8a0a1
No known key found for this signature in database
GPG Key ID: EE301B386DE6C11B
3 changed files with 414 additions and 264 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
.github/workflows/main.yml vendored
View File

@ -30,6 +30,7 @@ jobs:
${{ matrix.command }} ubuntu
${{ matrix.command }} debian 12
${{ matrix.command }} alpine
${{ matrix.command }} netboot.xyz
${{ matrix.command }} dd --img=https://download.opensuse.org/tumbleweed/appliances/openSUSE-MicroOS.x86_64-SelfInstall.raw.xz
# 测试 cloud image

8
README.md
View File

@ -101,7 +101,7 @@ bash reinstall.sh windows \
<https://massgrave.dev/genuine-installation-media.html>
### 其它用法：仅重启到 Alpine 救援系统 (Live OS) ，不运行重装
### 其它用法1：重启到 Alpine 救援系统 (Live OS) ，不运行重装
可用 ssh 连接，进行手动 DD、修改分区、手动安装 Arch Linux 等操作
@ -109,6 +109,12 @@ bash reinstall.sh windows \
bash reinstall.sh alpine --hold=1
```
### 其它用法2：重启到 netboot.xyz
```bash
bash reinstall.sh netboot.xyz
```
## Windows 下使用
管理员权限运行 `cmd`

669
reinstall.sh
View File

@ -27,8 +27,9 @@ Usage: reinstall.sh centos 7|8|9
opensuse 15.4|15.5|tumbleweed
arch
gentoo
dd --img=xxx
windows --iso=xxx --image-name=xxx
dd --img=http://xxx
windows --iso=http://xxx --image-name='windows xxx'
netboot.xyz
EOF
exit 1
}
@ -123,6 +124,14 @@ is_host_has_ipv4_and_ipv6() {
grep -q \. <<<$res && grep -q : <<<$res
}
is_netboot_xyz() {
[ "$distro" = netboot.xyz ]
}
is_have_initrd() {
! is_netboot_xyz
}
get_host_by_url() {
cut -d/ -f3 <<<$1
}
@ -236,27 +245,46 @@ assert_not_in_container() {
}
is_virt() {
if is_in_windows; then
# https://github.com/systemd/systemd/blob/main/src/basic/virt.c
# https://sources.debian.org/src/hw-detect/1.159/hw-detect.finish-install.d/08hw-detect/
vmstr='VMware|Virtual|Virtualization|VirtualBox|VMW|Hyper-V|Bochs|QEMU|KVM|OpenStack|KubeVirt|innotek|Xen|Parallels|BHYVE'
for name in ComputerSystem BIOS BaseBoard; do
wmic $name | grep -Eiw $vmstr && return 0
done
wmic /namespace:'\\root\cimv2' PATH Win32_Fan 2>/dev/null | head -1 | grep -q -v Name
else
# aws t4g debian 11
# systemd-detect-virt: 为 none，即使装了dmidecode
# virt-what: 未装 deidecode时结果为空，装了deidecode后结果为aws
# 所以综合两个命令的结果来判断
if is_have_cmd systemd-detect-virt && systemd-detect-virt -v; then
return 0
if [ -z "$_is_virt" ]; then
if is_in_windows; then
# https://github.com/systemd/systemd/blob/main/src/basic/virt.c
# https://sources.debian.org/src/hw-detect/1.159/hw-detect.finish-install.d/08hw-detect/
vmstr='VMware|Virtual|Virtualization|VirtualBox|VMW|Hyper-V|Bochs|QEMU|KVM|OpenStack|KubeVirt|innotek|Xen|Parallels|BHYVE'
for name in ComputerSystem BIOS BaseBoard; do
if wmic $name | grep -Eiwo $vmstr; then
_is_virt=true
break
fi
done
if [ -z "$_is_virt" ]; then
if wmic /namespace:'\\root\cimv2' PATH Win32_Fan 2>/dev/null | head -1 | grep -q Name; then
_is_virt=true
fi
fi
else
# aws t4g debian 11
# systemd-detect-virt: 为 none，即使装了dmidecode
# virt-what: 未装 deidecode时结果为空，装了deidecode后结果为aws
# 所以综合两个命令的结果来判断
if is_have_cmd systemd-detect-virt && systemd-detect-virt -v; then
_is_virt=true
fi
if [ -z "$_is_virt" ]; then
# debian 安装 virt-what 不会自动安装 dmidecode，因此结果有误
install_pkg dmidecode virt-what
# virt-what 返回值始终是0，所以用是否有输出作为判断
if [ -n "$(virt-what)" ]; then
_is_virt=true
fi
fi
fi
# debian 安装 virt-what 不会自动安装 dmidecode，因此结果有误
install_pkg dmidecode virt-what
# virt-what 返回值始终是0，所以用是否有输出作为判断
[ -n "$(virt-what)" ]
if [ -z "$_is_virt" ]; then
_is_virt=false
fi
echo "VM: $_is_virt"
fi
$_is_virt
}
setos() {
@ -265,6 +293,18 @@ setos() {
local releasever=$3
info set $step $distro $releasever
setos_netboot.xyz() {
if is_efi; then
if [ "$basearch" == aarch64 ]; then
eval ${step}_efi=https://boot.netboot.xyz/ipxe/netboot.xyz-arm64.efi
else
eval ${step}_efi=https://boot.netboot.xyz/ipxe/netboot.xyz.efi
fi
else
eval ${step}_vmlinuz=https://boot.netboot.xyz/ipxe/netboot.xyz.lkrn
fi
}
setos_alpine() {
flavour=lts
if is_virt; then
@ -559,7 +599,8 @@ verify_os_name() {
'arch' \
'gentoo' \
'windows' \
'dd'; do
'dd' \
'netboot.xyz'; do
ds=$(awk '{print $1}' <<<"$os")
vers=$(awk '{print $2}' <<<"$os" | sed 's \. \\\. g')
finalos=$(echo "$@" | to_lower | sed -n -E "s,^($ds)[ :-]?(|$vers)$,\1:\2,p")
@ -621,7 +662,7 @@ install_pkg() {
cmd_to_pkg() {
unset USE
case $cmd in
lsmem | lsblk) pkg="util-linux" ;;
lsmem | lsblk | findmnt) pkg="util-linux" ;;
unsquashfs)
case "$pkg_mgr" in
zypper) pkg="squashfs" ;;
@ -738,6 +779,10 @@ is_efi() {
fi
}
is_use_grub() {
! { is_netboot_xyz && is_efi; }
}
to_upper() {
tr '[:lower:]' '[:upper:]'
}
@ -843,9 +888,67 @@ collect_netconf() {
echo "IPv6 Gateway: $ipv6_gateway"
}
install_grub_win() {
grub_cfg=$1 # /cygdrive/$c/grub.cfg
add_efi_entry_in_windows() {
source=$1
# 挂载
if result=$(find /cygdrive/?/EFI/Microsoft/Boot/bootmgfw.efi 2>/dev/null); then
# 已经挂载
x=$(echo $result | cut -d/ -f3)
else
# 找到空盘符并挂载
for x in {a..z}; do
[ ! -e /cygdrive/$x ] && break
done
mountvol $x: /s
fi
# 文件夹命名为reinstall而不是grub，因为可能机器已经安装了grub，bcdedit名字同理
dist_dir=/cygdrive/$x/EFI/reinstall
basename=$(basename $source)
mkdir -p $dist_dir
cp -f "$source" "$dist_dir/$basename"
# 添加启动项
id=$(bcdedit /copy '{bootmgr}' /d "$(get_entry_name)" | grep -o '{.*}')
bcdedit /set $id device partition=$x:
bcdedit /set $id path \\EFI\\reinstall\\$basename
bcdedit /set '{fwbootmgr}' bootsequence $id
}
get_maybe_efi_dirs_in_linux() {
mount | awk '$5=="vfat" {print $3}' | grep -E '/boot|/efi'
}
add_efi_entry_in_linux() {
source=$1
install_pkg efibootmgr
for efi_part in $(get_maybe_efi_dirs_in_linux); do
if find $efi_part -name "*.efi" >/dev/null; then
dist_dir=$efi_part/EFI/reinstall
basename=$(basename $source)
mkdir -p $dist_dir
cp -f "$source" "$dist_dir/$basename"
# disk=$($grub-probe -t device "$dist")
install_pkg findmnt
disk=$(findmnt -T "$dist_dir" -no SOURCE)
efibootmgr --quiet --create-only \
--disk "$disk" \
--label "$(get_entry_name)" \
--loader "\\EFI\\reinstall\\$basename"
id=$(efibootmgr | grep "$(get_entry_name)" | grep -oE '[0-9]{4}')
efibootmgr --bootnext $id
return
fi
done
error_and_exit "Can't find efi partition."
}
install_grub_win() {
# 下载 grub
info download grub
grub_ver=2.06
@ -855,10 +958,11 @@ install_grub_win() {
curl -Lo /tmp/grub.zip $grub_url
# unzip -qo /tmp/grub.zip
7z x /tmp/grub.zip -o/tmp -r -y -xr!i386-efi -xr!locale -xr!themes -bso0
grub_exe_dir=$(readlink -f /tmp/grub-$grub_ver-for-windows)
grub_dir=/tmp/grub-$grub_ver-for-windows
grub=$grub_dir/grub
# 设置 grub 内嵌的模块
grub_modules+=" normal minicmd ls echo test cat reboot halt linux chain search all_video configfile"
grub_modules+=" normal minicmd ls echo test cat reboot halt linux linux16 chain search all_video configfile"
grub_modules+=" scsi part_msdos part_gpt fat ntfs ntfscomp ext2 lvm xfs lzopio xzio gzio zstd"
if ! is_efi; then
grub_modules+=" biosdisk"
@ -866,41 +970,15 @@ install_grub_win() {
# 设置 grub prefix 为c盘根目录
# 运行 grub-probe 会改变cmd窗口字体
prefix=$($grub_exe_dir/grub-probe -t drive $c: | sed 's,.*PhysicalDrive,(hd,' | sed 's,\r,,')/
prefix=$($grub-probe -t drive $c: | sed 's,.*PhysicalDrive,(hd,' | sed 's,\r,,')/
echo $prefix
# 安装 grub
if is_efi; then
# efi
info install grub for efi
# 挂载
if result=$(find /cygdrive/?/EFI/Microsoft/Boot/bootmgfw.efi 2>/dev/null); then
# 已经挂载
x=$(echo $result | cut -d/ -f3)
else
# 找到空盘符并挂载
for x in {a..z}; do
[ ! -e /cygdrive/$x ] && break
done
mountvol $x: /s
fi
# 文件夹命名为reinstall而不是grub，因为可能机器已经安装了grub，bcdedit名字同理
grub_dir=$x:\\EFI\\reinstall
mkdir -p $grub_dir
# grub-mkimage 可设置prefix，也可嵌入配置文件（官方不建议嵌入menuentry条目）
# -c $grub_cfg_win
$grub_exe_dir/grub-mkimage -p $prefix -O x86_64-efi -o $grub_dir\\grubx64.efi $grub_modules
# 添加引导
# 脚本可能不是首次运行，所以先删除原来的
bcdedit /enum bootmgr | grep --text -B3 Reinstall | awk '{print $2}' | grep '{.*}' |
xargs -I {} cmd /c bcdedit /delete {}
id=$(bcdedit /copy '{bootmgr}' /d Reinstall | grep -o '{.*}')
bcdedit /set $id device partition=$x:
bcdedit /set $id path \\EFI\\reinstall\\grubx64.efi
bcdedit /set '{fwbootmgr}' bootsequence $id
$grub-mkimage -p $prefix -O x86_64-efi -o "$(cygpath -w $grub_dir/grubx64.efi)" $grub_modules
add_efi_entry_in_windows $grub_dir/grubx64.efi
else
# bios
info install grub for bios
@ -916,14 +994,14 @@ install_grub_win() {
find /tmp/win32-loader -name 'g2ldr.mbr' -exec cp {} /cygdrive/$c/ \;
# g2ldr
$grub_exe_dir/grub-mkimage -p "$prefix" -O i386-pc -o core.img $grub_modules
cat $grub_exe_dir/i386-pc/lnxboot.img core.img >/cygdrive/$c/g2ldr
$grub-mkimage -p "$prefix" -O i386-pc -o core.img $grub_modules
cat $grub_dir/i386-pc/lnxboot.img core.img >/cygdrive/$c/g2ldr
# 添加引导
# 脚本可能不是首次运行，所以先删除原来的
id='{1c41f649-1637-52f1-aea8-f96bfebeecc8}'
bcdedit /enum all | grep --text $id && bcdedit /delete $id
bcdedit /create $id /d Reinstall /application bootsector
bcdedit /create $id /d "$(get_entry_name)" /application bootsector
bcdedit /set $id device partition=$c:
bcdedit /set $id path \\g2ldr.mbr
bcdedit /displayorder $id /addlast
@ -931,149 +1009,6 @@ install_grub_win() {
fi
}
# 脚本入口
# 检查 root
if ! is_in_windows; then
if [ "$EUID" -ne 0 ]; then
info "Please run as root."
exit 1
fi
fi
# 整理参数
if ! opts=$(getopt -n $0 -o "" --long debug,hold:,sleep:,iso:,image-name:,img:,ci,cloud-image -- "$@"); then
usage_and_exit
fi
eval set -- "$opts"
# shellcheck disable=SC2034
while true; do
case "$1" in
--debug)
set -x
shift
;;
--ci | --cloud-image)
cloud_image=1
shift
;;
--hold | --sleep)
hold=$2
shift 2
;;
--img)
img=$2
shift 2
;;
--iso)
iso=$2
shift 2
;;
--image-name)
image_name=$2
shift 2
;;
--)
shift
break
;;
*)
echo "Unexpected option: $1."
usage_and_exit
;;
esac
done
# 不支持容器虚拟化
assert_not_in_container
# 检查目标系统名
verify_os_name "$@"
# 检查必须的参数
verify_os_args
# win系统盘
if is_in_windows; then
c=$(echo $SYSTEMDRIVE | cut -c1)
fi
# 必备组件
install_pkg curl
# alpine 自带的 grep 是 busybox 里面的， 要下载完整版grep
if is_in_alpine; then
apk add grep
fi
# 检查内存
if ! { [ "$distro" = dd ] || [ "$distro" = windows ]; }; then
check_ram
fi
# alpine --ci 参数无效
if [ "$distro" = alpine ] && is_use_cloud_image; then
error_and_exit "can't install alpine with cloud image"
fi
# 检查硬件架构
# x86强制使用x64
basearch=$(uname -m)
[ $basearch = i686 ] && basearch=x86_64
case "$basearch" in
"x86_64") basearch_alt=amd64 ;;
"aarch64") basearch_alt=arm64 ;;
esac
# 设置国内代理
# gitee 不支持ipv6
# jsdelivr 有12小时缓存
# https://github.com/XIU2/UserScript/blob/master/GithubEnhanced-High-Speed-Download.user.js#L31
if [[ "$confhome" == http*://raw.githubusercontent.com/* ]] &&
is_in_china; then
confhome=https://ghps.cc/$confhome
fi
# 以下目标系统不需要进入alpine
# debian
# el7 x86_64 >=1g
# el7 aarch64 >=1.5g
# el8/9/fedora 任何架构 >=2g
if ! is_use_cloud_image &&
{ [ "$distro" = "debian" ] ||
{ is_distro_like_redhat "$distro" && [ $releasever -eq 7 ] && [ $ram_size -ge 1024 ] && [ $basearch = "x86_64" ]; } ||
{ is_distro_like_redhat "$distro" && [ $releasever -eq 7 ] && [ $ram_size -ge 1536 ] && [ $basearch = "aarch64" ]; } ||
{ is_distro_like_redhat "$distro" && [ $releasever -ge 8 ] && [ $ram_size -ge 2048 ]; }; }; then
setos nextos $distro $releasever
else
# 安装alpine时，使用指定的版本。 alpine作为中间系统时，使用 3.18
[ "$distro" = "alpine" ] && alpine_releasever=$releasever || alpine_releasever=3.18
setos finalos $distro $releasever
setos nextos alpine $alpine_releasever
fi
# 测试链接
# 在 ubuntu 20.04 上，file 命令检测 ubuntu 22.04 iso 结果不正确，所以去掉 iso 检测
if is_use_cloud_image; then
test_url $finalos_img 'xz|gzip|qemu' finalos_img_type
elif is_use_dd; then
test_url $finalos_img 'xz|gzip' finalos_img_type
elif [ -n "$finalos_img" ]; then
test_url $finalos_img
elif [ -n "$finalos_iso" ]; then
test_url $finalos_iso
fi
# shellcheck disable=SC2154
{
# 下载 nextos 内核
info download vmlnuz and initrd
echo $nextos_vmlinuz
curl -Lo /reinstall-vmlinuz $nextos_vmlinuz
echo $nextos_initrd
curl -Lo /reinstall-initrd $nextos_initrd
}
# 转换 finalos_a=1 为 finalos.a=1 ，排除 finalos_mirrorlist
build_finalos_cmdline() {
if vars=$(compgen -v finalos_); then
@ -1107,6 +1042,12 @@ echo_tmp_ttys() {
curl -L $confhome/ttys.sh | sh -s "console="
}
get_entry_name() {
printf 'reinstall (%s%s%s)' "$distro" \
"$([ -n "$releasever" ] && printf ' %s' "$releasever")" \
"$([ "$distro" = alpine ] && [ "$hold" = 1 ] && printf ' Live OS')"
}
# shellcheck disable=SC2154
build_cmdline() {
if [ -n "$finalos_cmdline" ]; then
@ -1251,86 +1192,288 @@ EOF
cd -
}
build_finalos_cmdline
build_extra_cmdline
build_cmdline
info 'create grub config'
# linux grub
# 脚本入口
# 检查 root
if ! is_in_windows; then
if is_have_cmd update-grub; then
grub_cfg=$(grep -o '[^ ]*grub.cfg' "$(get_cmd_path update-grub)")
else
# 找出主配置文件（含有menuentry|blscfg）
# 如果是efi，先搜索efi目录
# arch云镜像efi分区挂载在/efi
if is_efi; then
for dir in /boot/efi /efi; do
[ -d $dir ] && efi_dir+=" $dir"
done
fi
grub_cfg=$(
find $efi_dir /boot/grub* \
-type f -name grub.cfg \
-exec grep -E -l 'menuentry|blscfg' {} \;
)
if [ "$(wc -l <<<"$grub_cfg")" -gt 1 ]; then
error_and_exit 'find multi grub.cfg files.'
fi
fi
# 有些机子例如hython debian的grub.cfg少了40_custom 41_custom
# 所以先重新生成 grub.cfg
$(command -v grub-mkconfig grub2-mkconfig) -o $grub_cfg
# 在x86 efi机器上，不同版本的 grub 可能用 linux 或 linuxefi 加载内核
# 通过检测原有的条目有没有 linuxefi 字样就知道当前 grub 用哪一种
if [ -d /boot/loader/entries/ ]; then
entries="/boot/loader/entries/"
fi
if grep -q -r -E '^[[:blank:]]*linuxefi[[:blank:]]' $grub_cfg $entries; then
efi=efi
if [ "$EUID" -ne 0 ]; then
info "Please run as root."
exit 1
fi
fi
# 生成 custom.cfg (linux) 或者 grub.cfg (win)
is_in_windows && custom_cfg=/cygdrive/$c/grub.cfg || custom_cfg=$(dirname $grub_cfg)/custom.cfg
echo $custom_cfg
cat <<EOF | tee $custom_cfg
# 整理参数
if ! opts=$(getopt -n $0 -o "" --long debug,hold:,sleep:,iso:,image-name:,img:,ci,cloud-image -- "$@"); then
usage_and_exit
fi
eval set -- "$opts"
# shellcheck disable=SC2034
while true; do
case "$1" in
--debug)
set -x
shift
;;
--ci | --cloud-image)
cloud_image=1
shift
;;
--hold | --sleep)
hold=$2
shift 2
;;
--img)
img=$2
shift 2
;;
--iso)
iso=$2
shift 2
;;
--image-name)
image_name=$2
shift 2
;;
--)
shift
break
;;
*)
echo "Unexpected option: $1."
usage_and_exit
;;
esac
done
# 不支持容器虚拟化
assert_not_in_container
# 检查目标系统名
verify_os_name "$@"
# 检查必须的参数
verify_os_args
# win系统盘
if is_in_windows; then
c=$(echo $SYSTEMDRIVE | cut -c1)
fi
# 必备组件
install_pkg curl
# alpine 自带的 grep 是 busybox 里面的， 要下载完整版grep
if is_in_alpine; then
apk add grep
fi
# 检查内存
if ! { [ "$distro" = dd ] || [ "$distro" = windows ] || [ "$distro" = netboot.xyz ]; }; then
check_ram
fi
# alpine --ci 参数无效
if [ "$distro" = alpine ] && is_use_cloud_image; then
error_and_exit "can't install alpine with cloud image"
fi
# 检查硬件架构
# x86强制使用x64
basearch=$(uname -m)
[ $basearch = i686 ] && basearch=x86_64
case "$basearch" in
"x86_64") basearch_alt=amd64 ;;
"aarch64") basearch_alt=arm64 ;;
esac
# 设置国内代理
# gitee 不支持ipv6
# jsdelivr 有12小时缓存
# https://github.com/XIU2/UserScript/blob/master/GithubEnhanced-High-Speed-Download.user.js#L31
if [[ "$confhome" == http*://raw.githubusercontent.com/* ]] &&
is_in_china; then
confhome=https://ghps.cc/$confhome
fi
# 以下目标系统不需要进入alpine
# debian
# el7 x86_64 >=1g
# el7 aarch64 >=1.5g
# el8/9/fedora 任何架构 >=2g
if is_netboot_xyz ||
{ ! is_use_cloud_image && {
[ "$distro" = "debian" ] ||
{ is_distro_like_redhat "$distro" && [ $releasever -eq 7 ] && [ $ram_size -ge 1024 ] && [ $basearch = "x86_64" ]; } ||
{ is_distro_like_redhat "$distro" && [ $releasever -eq 7 ] && [ $ram_size -ge 1536 ] && [ $basearch = "aarch64" ]; } ||
{ is_distro_like_redhat "$distro" && [ $releasever -ge 8 ] && [ $ram_size -ge 2048 ]; }
}; }; then
setos nextos $distro $releasever
else
# 安装alpine时，使用指定的版本。 alpine作为中间系统时，使用 3.18
[ "$distro" = "alpine" ] && alpine_releasever=$releasever || alpine_releasever=3.18
setos finalos $distro $releasever
setos nextos alpine $alpine_releasever
fi
# 测试链接
# 在 ubuntu 20.04 上，file 命令检测 ubuntu 22.04 iso 结果不正确，所以去掉 iso 检测
if is_use_cloud_image; then
test_url $finalos_img 'xz|gzip|qemu' finalos_img_type
elif is_use_dd; then
test_url $finalos_img 'xz|gzip' finalos_img_type
elif [ -n "$finalos_img" ]; then
test_url $finalos_img
elif [ -n "$finalos_iso" ]; then
test_url $finalos_iso
fi
# 删除之前的条目
# 防止第一次运行 netboot.xyz，第二次运行其他，但还是进入 netboot.xyz
# 防止第一次运行其他，第二次运行 netboot.xyz，但还有第一次的菜单
# bios 无论什么情况都用到 grub，所以不用处理
if is_efi; then
if is_in_windows; then
rm -f /cygdrive/$c/grub.cfg
bcdedit /set '{fwbootmgr}' bootsequence '{bootmgr}'
bcdedit /enum bootmgr | grep --text -B3 'reinstall.*' | awk '{print $2}' | grep '{.*}' |
xargs -I {} cmd /c bcdedit /delete {}
else
maybe_efi_dirs=$(get_maybe_efi_dirs_in_linux)
find $maybe_efi_dirs /boot -type f -name 'custom.cfg' -exec rm -f {} \;
install_pkg efibootmgr
efibootmgr | grep -q 'BootNext:' && efibootmgr --quiet --delete-bootnext
efibootmgr | grep 'reinstall.*' | grep -oE '[0-9]{4}' |
xargs -I {} efibootmgr --quiet --bootnum {} --delete-bootnum
fi
fi
# grub
if is_use_grub; then
if is_in_windows; then
install_grub_win
else
if is_have_cmd grub2-mkconfig; then
grub=grub2
elif is_have_cmd grub-mkconfig; then
grub=grub
else
error_and_exit "grub not found"
fi
fi
fi
# 下载 netboot.xyz / 内核
# shellcheck disable=SC2154
if is_netboot_xyz; then
if is_efi; then
curl -Lo /netboot.xyz.efi $nextos_efi
if is_in_windows; then
add_efi_entry_in_windows /netboot.xyz.efi
else
add_efi_entry_in_linux /netboot.xyz.efi
fi
else
curl -Lo /reinstall-vmlinuz $nextos_vmlinuz
fi
else
# 下载 nextos 内核
info download vmlnuz and initrd
echo $nextos_vmlinuz
curl -Lo /reinstall-vmlinuz $nextos_vmlinuz
echo $nextos_initrd
curl -Lo /reinstall-initrd $nextos_initrd
build_finalos_cmdline
build_extra_cmdline
build_cmdline
fi
if is_use_grub; then
info 'create grub config'
# linux grub
if ! is_in_windows; then
if is_have_cmd update-grub; then
grub_cfg=$(grep -o '[^ ]*grub.cfg' "$(get_cmd_path update-grub)")
else
# 找出主配置文件（含有menuentry|blscfg）
# 如果是efi，先搜索efi目录
# arch云镜像efi分区挂载在/efi
if is_efi; then
efi_dir=$(get_maybe_efi_dirs_in_linux)
fi
grub_cfg=$(
find $efi_dir /boot/grub* \
-type f -name grub.cfg \
-exec grep -E -l 'menuentry|blscfg' {} \;
)
if [ "$(wc -l <<<"$grub_cfg")" -gt 1 ]; then
error_and_exit 'find multi grub.cfg files.'
fi
fi
# 有些机子例如hython debian的grub.cfg少了40_custom 41_custom
# 所以先重新生成 grub.cfg
$grub-mkconfig -o $grub_cfg
# 在x86 efi机器上，不同版本的 grub 可能用 linux 或 linuxefi 加载内核
# 通过检测原有的条目有没有 linuxefi 字样就知道当前 grub 用哪一种
if [ -d /boot/loader/entries/ ]; then
entries="/boot/loader/entries/"
fi
if grep -q -r -E '^[[:blank:]]*linuxefi[[:blank:]]' $grub_cfg $entries; then
efi=efi
fi
fi
# 生成 custom.cfg (linux) 或者 grub.cfg (win)
is_in_windows && custom_cfg=/cygdrive/$c/grub.cfg || custom_cfg=$(dirname $grub_cfg)/custom.cfg
echo $custom_cfg
if is_netboot_xyz; then
linux_cmd="linux16 /reinstall-vmlinuz"
else
linux_cmd="linux$efi /reinstall-vmlinuz $(echo_tmp_ttys) $cmdline"
initrd_cmd="initrd$efi /reinstall-initrd"
fi
cat <<EOF | tee $custom_cfg
set timeout=5
menuentry "reinstall" {
load_video
menuentry "$(get_entry_name)" {
insmod all_video
insmod lvm
insmod xfs
search --no-floppy --file --set=root /reinstall-vmlinuz
linux$efi /reinstall-vmlinuz $(echo_tmp_ttys) $cmdline
initrd$efi /reinstall-initrd
$linux_cmd
$initrd_cmd
}
EOF
if is_in_windows; then
mv /reinstall-vmlinuz /cygdrive/$c/
mv /reinstall-initrd /cygdrive/$c/
install_grub_win $custom_cfg
else
if is_os_in_btrfs && is_os_in_subvol; then
cp_to_btrfs_root /reinstall-vmlinuz
cp_to_btrfs_root /reinstall-initrd
fi
if is_in_windows; then
mv /reinstall-vmlinuz /cygdrive/$c/
is_have_initrd && mv /reinstall-initrd /cygdrive/$c/
else
if is_os_in_btrfs && is_os_in_subvol; then
cp_to_btrfs_root /reinstall-vmlinuz
is_have_initrd && cp_to_btrfs_root /reinstall-initrd
fi
# 有的机器开启了 kexec，例如腾讯云轻量 debian，要禁用
if [ -f /etc/default/kexec ]; then
sed -i 's/LOAD_KEXEC=true/LOAD_KEXEC=false/' /etc/default/kexec
fi
# 有的机器开启了 kexec，例如腾讯云轻量 debian，要禁用
if [ -f /etc/default/kexec ]; then
sed -i 's/LOAD_KEXEC=true/LOAD_KEXEC=false/' /etc/default/kexec
fi
$(command -v grub-reboot grub2-reboot) reinstall
$grub-reboot "$(get_entry_name)"
fi
fi
if is_use_cloud_image; then
info 'cloud image mode'
elif is_use_dd; then
info 'dd mode'
elif is_netboot_xyz; then
info 'boot into netboot.xyz'
else
info 'installer mode'
fi