Sysinfo() {
	TARGET_PROFILE=$(getinf TARGET_PROFILE /rom/etc/autoupdate/default)
	TARGET_BOARD=$(getinf TARGET_BOARD /rom/etc/autoupdate/default)
	[ -z "${TARGET_PROFILE}" ] && echo
	if [ "${TARGET_BOARD}" == x86 ]
	then
		[ -d /sys/firmware/efi ] && TARGET_BOOTABLE="UEFI" || TARGET_BOOTABLE="BIOS"
	fi
	[ -f /etc/bench.log ] && CoreMark=$(egrep -o "[0-9]+" /etc/bench.log | awk 'NR==1')
	if [ -n "$(sensors 2> /dev/null | grep Core)" ]
	then
		TEMP=$(echo "$(sensors 2> /dev/null | grep Core | awk '{Sum += $3};END {print Sum}') / $(sensors 2>/dev/null | grep Core | wc -l)" | bc 2> /dev/null)
	fi
	TEMP="$(temp_color ${TEMP})"
	if [ -n "${TARGET_BOOTABLE}" ]
	then
		printf "            设备信息:		%-7s ${Div} ${Green}%-12s${White}\n" ${TARGET_PROFILE} ${TARGET_BOOTABLE}
	else
		[ -n "${TARGET_PROFILE}" ] && printf "            设备信息:		${TARGET_PROFILE}\n"
	fi
	printf "            内核版本:		$(uname -rs | cut -d ' ' -f2)\n"
	printf "            可用内存:		%-7s ${Div} %s of %s\n" $(free | grep Mem | awk '{a=$7*100/$2;b=$7/1024;c=$2/1024} {printf("%.1fM %.1f%% %.1fM",b,a,c)}')
	printf "            可用存储:		%-7s ${Div} %s of %s\n" $(df -T '/' | grep -v File | awk '{a=$5*100/$3;b=$5/1024;c=$3/1024} {printf("%.1fM %.1f%% %.1fM",b,a,c)}')
	[ -n "${TEMP}" ] && printf "            设备温度:		${TEMP}\n"
	[ -n "${CoreMark}" ] && printf "            性能得分:		${CoreMark}\n"
	[ -f /proc/uptime ] && printf "            运行时间: 		$(awk '{a=$1/86400;b=($1%86400)/3600;c=($1%3600)/60;d=($1%60)} {printf("%d 天 %d 小时 %d 分钟 %d 秒\n",a,b,c,d)}' /proc/uptime)\n"
	[ -n "${SSH_CONNECTION}" ] && printf "            登录用户:		%-7s ${Div} %s\n" ${LOGNAME} $(echo ${SSH_CONNECTION} | awk '{print $1":"$2}')
	printf "${White}\n"
}

getinf() {
	local i=$(grep $1 $2  2> /dev/null | awk 'END {print}')
	[ -z "${i}" ] && return 1
	eval echo ${i} | sed "s/^[$1=]*//g" 2> /dev/null
}

temp_color() {
	if [ -n "$1" ]
	then
		if [ $1 -gt 55 ]
		then
			echo -ne "${Red}WARN ${1}°C${White}"
		else
			echo -n "${1}°C"
		fi
	fi
}

White="\e[0m"
Yellow="\e[33m"
Red="\e[31m"
Blue="\e[34m"
Grey="\e[36m"
Green="\e[32m"
Div="${Grey}|${White}"

clear

[ -e /tmp/.failsafe ] && export FAILSAFE=1
[ -f /etc/banner ] && printf "$(cat /etc/banner)\n"
[ -n "$FAILSAFE" ] && cat /etc/banner.failsafe

Sysinfo

fgrep -sq '/ overlay ro,' /proc/mounts && {
	printf "${Red}警告: 固件可用空间已满,请尝试清理文件或重新刷写固件!
      相反地,卸载系统自带软件包对空间清理没有任何帮助; 因此,请尝试卸载用户安装的软件包${White}\n\n"
}

export PATH="/usr/sbin:/usr/bin:/sbin:/bin"
export HOME=$(grep -e "^${USER:-root}:" /etc/passwd | cut -d ":" -f 6)
export HOME=${HOME:-/root}
export CONFIG=/etc/config
if [ -n "${TARGET_PROFILE}" ]
then
	export PS1='\u@\h[${TARGET_PROFILE}]:\w\$ '
else
	export PS1='\u@\h:\w\$ '
fi
export ENV=/etc/shinit

case "$TERM" in
	xterm*|rxvt*)
		export PS1='\[\e]0;\u@\h: \w\a\]'$PS1
		;;
esac

[ -n "$FAILSAFE" ] || {
	for FILE in /etc/profile.d/*.sh; do
		[ -e "$FILE" ] && . "$FILE"
	done
	unset FILE
}

if ( grep -qs '^root::' /etc/shadow && \
     [ -z "$FAILSAFE" ] )
then
	echo -e "${Red}            ==================== 警告 ========================
             当前设备没有为 root 用户设置密码!
             请使用 "passwd" 指令来设置一个系统密码来提高安全性
             同时防止未经授权的 SSH 使用 root 非法登录
            --------------------------------------------------${White}
"
fi

alias reload='. /etc/profile'
alias coremarkd='/etc/coremark.sh'
alias shutdown='sync && poweroff'
alias ls='ls --color=auto'
alias l='ls -CF'
alias ll='ls -alF'
alias la='ls -A'
alias cls='clear'
alias dh='df -h'
alias syslog='cat $(uci get system.@system[0].log_file) 2> /dev/null'
alias ramfree='sync && echo 3 > /proc/sys/vm/drop_caches'
alias top='top -d 1'