fetchpkg

#!/bin/sh
. /etc/rc.subr

name="fetchpkg"
rcvar=fetchpkg_enable

start_cmd="start_fetch"
stop_cmd="stop_fetch"
start_precmd="init_env"

localdir="/other/pkg"                               #定义本地存储目录
remotedir="/"                                       #定义远程目录
url="http://pkg1.chinafreebsd.cn"                   #定义远程克隆 URL 
fetch_bin=`pkg query %n lftp`

[ -z "fetchpkg_enable" ] && fetchpkg_enable="NO"

init_env(){

        if [ "$fetch_bin" != "lftp" ];then
                /usr/sbin/pkg update -f && /usr/sbin/pkg install -y lftp && \
		ln -s /usr/local/bin/lftp /usr/local/bin/pkg_lftp
        fi
	

        if [ ! -d "$localdir" ];then
                mkdir -p $localdir
        fi

        check_url $url
}
##################################################
# 执行时间写入日志
##################################################
log(){
        echo `date +%Y-%m-%d_%H:%M:%S` >> /var/log/fetchpkg.log
}

##################################################
# 检查预定义 url
##################################################
check_url(){

	flag='0'
        du1="http://pkg0.nyi.freebsd.org"
        du2="http://pkg0.bme.freebsd.org"
        du3="http://pkg0.isc.freebsd.org"
        du4="http://pkg0.ydx.freebsd.org"
        du5="http://pkg1.chinafreebsd.cn"

        for  tmp in "$du1" "$du2" "$du3" "$du4" "$du5"; do
                if [ "$tmp" == "$1" ]; then
			flag='1'
                        break
		fi
        done

	if [ "$flag" == '1' ];then
		echo "check url success!"
	else
		echo "URL:$url is  wrong!"
		exit
	fi
}

#################################################
# --parallel=30 表示同时开启 30 下载线程
# --exclude 表示需要排除的克隆目录
# --delete 表示差异备份
#################################################
start_fetch(){
        echo "start fetching ..."
        /usr/local/bin/pkg_lftp -c open -e "mirror  --parallel=30  \
                --exclude 'FreeBSD:8:*' \
                --exclude 'FreeBSD:9:*' \
                --exclude 'FreeBSD:11:aar*' \
                --exclude 'FreeBSD:12:armv*' \
                --exclude 'FreeBSD:11:mip*' \
                --exclude 'FreeBSD:12:mi*' \
                --exclude 'FreeBSD:11:arm*'  \
        --delete  $remotedir $localdir" $url &
        log  
}


stop_fetch()
{
        pid=`ps aux | grep "[p]kg_lftp" | awk '{print $11}' | cut -d / -f 5`
        if [ "$pid" == "pkg_lftp" ];then
                echo "stoping fetchpkg ..."
                kill `ps aux | grep "[p]kg_lftp" | awk '{print $2}'`
        else
                echo "service dos not exsiting ...."
        fi
}

load_rc_config $name
run_rc_command $1