From 60d3d8a0a1036bcd25137e30f8df6fec8cee041b Mon Sep 17 00:00:00 2001 From: bin456789 Date: Thu, 9 Nov 2023 22:27:07 +0800 Subject: [PATCH] =?UTF-8?q?core:=20=E6=94=AF=E6=8C=81=E9=87=8D=E5=90=AF?= =?UTF-8?q?=E5=88=B0=20netboot.xyz?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .github/workflows/main.yml | 1 + README.md | 8 +- reinstall.sh | 669 ++++++++++++++++++++++--------------- 3 files changed, 414 insertions(+), 264 deletions(-) diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml index 4eadb93..97ea0f4 100644 --- a/.github/workflows/main.yml +++ b/.github/workflows/main.yml @@ -30,6 +30,7 @@ jobs: ${{ matrix.command }} ubuntu ${{ matrix.command }} debian 12 ${{ matrix.command }} alpine + ${{ matrix.command }} netboot.xyz ${{ matrix.command }} dd --img=https://download.opensuse.org/tumbleweed/appliances/openSUSE-MicroOS.x86_64-SelfInstall.raw.xz # 测试 cloud image diff --git a/README.md b/README.md index c32f5b3..22f31e8 100644 --- a/README.md +++ b/README.md @@ -101,7 +101,7 @@ bash reinstall.sh windows \ -### 其它用法：仅重启到 Alpine 救援系统 (Live OS) ，不运行重装 +### 其它用法1：重启到 Alpine 救援系统 (Live OS) ，不运行重装 可用 ssh 连接，进行手动 DD、修改分区、手动安装 Arch Linux 等操作 @@ -109,6 +109,12 @@ bash reinstall.sh windows \ bash reinstall.sh alpine --hold=1 ``` +### 其它用法2：重启到 netboot.xyz + +```bash +bash reinstall.sh netboot.xyz +``` + ## Windows 下使用 管理员权限运行 `cmd` diff --git a/reinstall.sh b/reinstall.sh index 4293195..d351792 100644 --- a/reinstall.sh +++ b/reinstall.sh @@ -27,8 +27,9 @@ Usage: reinstall.sh centos 7|8|9 opensuse 15.4|15.5|tumbleweed arch gentoo - dd --img=xxx - windows --iso=xxx --image-name=xxx + dd --img=http://xxx + windows --iso=http://xxx --image-name='windows xxx' + netboot.xyz EOF exit 1 } @@ -123,6 +124,14 @@ is_host_has_ipv4_and_ipv6() { grep -q \. <<<$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 $custom_cfg -cat <=1g +# el7 aarch64 >=1.5g +# el8/9/fedora 任何架构 >=2g +if is_netboot_xyz || + { ! is_use_cloud_image && { + [ "$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 <