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#!/bin/bash#赋值当前目录，也可以用'./'赋值为当前目录CUR_DIR=$(cd `dirname $0`; pwd)#定义一个函数，说明这个脚本的用法.usage() {        echo "Usage: rpm_build.sh srcdir spec "}#形参个数小于2，则退出if [ $# -lt 2 ]; then         usage        exit 1fi#configure build enviroment#通过sh执行脚本sudo sh ${CUR_DIR}/config.sh#判断docker 是否运行正常，如果不正常的话，重新启动docker 服务器。这里通过飘键得到执行的结果docker_status=`service docker status | grep "inactive" | awk '{print $2}'`if [ ! -z ${docker_status} ]; then        echo "Docker service is inactive, begin to start docker service"        sudo service docker start        if [ $? -ne 0 ] ; then                echo "Starting docker service failed!"                exit 1        else                echo "Docker service start sucessfully!"        fifiecho "Start container to build." #Image_ID=`docker images | grep "openestuary/centos"| grep "latest" | awk '{print $3}'`# id参数 -g, --group    print only the effective group ID# id参数 -u, --user     print only the effective user IDuid=`id -u`gid=`id -g`SRC_DIR_1=$1#下面这一段是字符串的截取，之前已经分析过SRC_DIR_2=${SRC_DIR_1#*/}SRC_DIR_3=${SRC_DIR_2#*/}SRC_DIR_4=${SRC_DIR_3#*/}SPEC_NAME=$2CONTAINER_NAME=${SPEC_NAME%.*}#下面这句不知道啥意思？CONTAINER_NAME=${CONTAINER_NAME/+/}#如果key 不存在就copy 过去if [ ! -f ~/KEY_PASSPHRASE ] ; then    cp /home/KEY_PASSPHRASE  ~/KEY_PASSPHRASEfi执行dcoker ，并输出log到文件中docker run --network=host -d -v ~/:/root/ --name ${CONTAINER_NAME} openestuary/centos:5.0-full bash /root/distro-repo/utils/rpm_build_incontainer.sh /root/${SRC_DIR_4} ${SPEC_NAME} ${uid} ${gid} ${@:3}#bash ~/distro-repo/utils/rpm_build_incontainer.sh ~/${SRC_DIR_4} ${SPEC_NAME} ${uid} ${gid} ${@:3}docker logs -f ${CONTAINER_NAME}echo "Begin to remove building container."删除docker，并通过$? 返回值判断输出是否成功docker rm ${CONTAINER_NAME}if [ $? -ne 0 ]; then        echo "Remove building container failed!"else        echo "Building container have been removed successfully!"fi

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