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core: 用 type 判断命令是否存在

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bin456789 2023-10-07 22:33:38 +08:00
parent 69821dae24
commit 9a75f2ec0e
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1 changed files with 34 additions and 24 deletions
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reinstall.sh
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@ -210,7 +210,7 @@ is_virt() {
# aws t4g debian 11 systemd-detect-virt 为 none，即使装了dmidecode # 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 # 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 # 所以综合两个命令的结果来判断
if command -v systemd-detect-virt && systemd-detect-virt; then if is_have_cmd systemd-detect-virt && systemd-detect-virt; then
return 0 return 0
fi fi
# debian 安装 virt-what 不会自动安装 dmidecode，因此结果有误 # debian 安装 virt-what 不会自动安装 dmidecode，因此结果有误
@ -572,33 +572,26 @@ verify_os_string() {
usage_and_exit usage_and_exit
} }
get_cmd_path() {
# arch 云镜像不带 which
# command -v 包括脚本里面的方法
type -f -p $1
}
is_have_cmd() {
get_cmd_path $1 >/dev/null 2>&1
}
install_pkg() { install_pkg() {
is_in_windows && return is_in_windows && return
for cmd in "$@"; do
# 用 which 而不是 command -v，因为 command -v 把脚本中的function也算在内
if ! which $cmd >/dev/null 2>&1 ||
# gentoo 默认编译的 unsquashfs 不支持 xz
{ [ "$cmd" = unsquashfs ] &&
which emerge >/dev/null 2>&1 &&
! unsquashfs |& grep -w xz &&
echo "unsquashfs not supported xz. need rebuild."; }; then
if ! find_pkg_mgr; then
error_and_exit "Can't find compatible package manager. Please manually install $cmd."
fi
cmd_to_pkg
install_pkg_real
fi
done
find_pkg_mgr() { find_pkg_mgr() {
if [ -z "$pkg_mgr" ]; then if [ -z "$pkg_mgr" ]; then
# command -v 有先后顺序，dnf放yum前面 for c in dnf yum apt pacman zypper emerge apk; do
if ! pkg_mgr=$(command -v dnf yum apt pacman zypper emerge apk | head -1 | awk -F/ '{print $NF}' | grep .); then is_have_cmd $c && pkg_mgr=$c && return
done
return 1 return 1
fi fi
fi
} }
cmd_to_pkg() { cmd_to_pkg() {
@ -641,6 +634,23 @@ install_pkg() {
;; ;;
esac esac
} }
for cmd in "$@"; do
if ! is_have_cmd $cmd ||
{
# gentoo 默认编译的 unsquashfs 不支持 xz
[ "$cmd" = unsquashfs ] &&
is_have_cmd emerge &&
! unsquashfs |& grep -w xz &&
echo "unsquashfs not supported xz. need rebuild."
}; then
if ! find_pkg_mgr; then
error_and_exit "Can't find compatible package manager. Please manually install $cmd."
fi
cmd_to_pkg
install_pkg_real
fi
done
} }
check_ram() { check_ram() {
@ -1151,8 +1161,8 @@ build_cmdline
info 'create grub config' info 'create grub config'
# linux grub # linux grub
if ! is_in_windows; then if ! is_in_windows; then
if command -v update-grub; then if is_have_cmd update-grub; then
grub_cfg=$(grep -o '[^ ]*grub.cfg' "$(which update-grub)") grub_cfg=$(grep -o '[^ ]*grub.cfg' "$(get_cmd_path update-grub)")
else else
# 找出主配置文件（含有menuentry|blscfg） # 找出主配置文件（含有menuentry|blscfg）
# 如果是efi，先搜索efi目录 # 如果是efi，先搜索efi目录