Merge pull request #264 from dysf888/patch-3 [no ci]

Fix fatal permission issue

script/install.sh

@@ -2,7 +2,7 @@
 
 #========================================================
 #   System Required: CentOS 7+ / Debian 8+ / Ubuntu 16+ / Alpine 3+ /
-#     Arch 未测试
+#     Arch 仅测试了一次，如有问题带截图反馈 dysf888@pm.me
 #   Description: 哪吒监控安装脚本
 #   Github: https://github.com/naiba/nezha
 #========================================================
@@ -124,12 +124,31 @@ install_base() {
     (command -v git >/dev/null 2>&1 && command -v curl >/dev/null 2>&1 && command -v wget >/dev/null 2>&1 && command -v unzip >/dev/null 2>&1 && command -v getenforce >/dev/null 2>&1) ||
     (install_soft curl wget git unzip)
 }
+install_arch(){
+    echo -e "${green}提示: ${plain} Arch安装libselinux需添加nezha-agent用户，安装完会自动删除，建议手动检查一次\n"
+    read -e -r -p "是否安装libselinux? [Y/n] " input
+    case $input in
+        [yY][eE][sS] | [yY])
+            useradd -m nezha-agent
+            sed -i "$ a\nezha-agent ALL=(ALL ) NOPASSWD:ALL" /etc/sudoers
+            sudo -iu nezha-agent yay -S libselinux --noconfirm
+            sed -i '/nezha-agent/d'  /etc/sudoers && sleep 30s && killall -u nezha-agent&&userdel nezha-agent
+            echo -e "${red}提示: ${plain}已删除用户nezha-agent，请务必手动核查一遍！\n"
+        ;;
+        [nN][oO] | [nN])
+            echo "不安装libselinux"
+        ;;
+        *)
+            echo "不安装libselinux"
+            exit 0
+        ;;
+    esac
+}
 
 install_soft() {
-    # Arch官方库不包含selinux等组件
     (command -v yum >/dev/null 2>&1 && yum makecache && yum install $* selinux-policy -y) ||
     (command -v apt >/dev/null 2>&1 && apt update && apt install $* selinux-utils -y) ||
-        (command -v pacman >/dev/null 2>&1 && pacman -Syu $*) ||
+    (command -v pacman >/dev/null 2>&1 && pacman -Syu $* yay --noconfirm && install_arch)  ||
     (command -v apt-get >/dev/null 2>&1 && apt-get update && apt-get install $* selinux-utils -y) ||
     (command -v apk >/dev/null 2>&1 && apk update && apk add $* -f)
 }