1. 修改安装链接

2. 更新文档

README.md

@@ -10,7 +10,7 @@
 - aufs作为底层文件系统与镜像的实现
 
 ### 如何安装
-`bash <(curl -s https://raw.githubusercontent.com/iamwwc/wwcdocker/master/install.sh)`
+`source <(curl -s -L https://raw.githubusercontent.com/iamwwc/wwcdocker/master/install.sh)`
 
 ### 开发
 默认在 `dev` 分支开发，开发完成，测试通过之后会发布至 `master` 分支，并构建 `release`

install.sh

@@ -4,13 +4,21 @@
 # https://raw.githubusercontent.com/iamwwc/wwcdocker/master/install.sh
 
 # TO INSTALL this script, run following
-# bash <(curl -s https://raw.githubusercontent.com/iamwwc/wwcdocker/master/install.sh)
+# source <(curl -s -L https://raw.githubusercontent.com/iamwwc/wwcdocker/master/install.sh)
 
 red='\033[0;31m'
 plain='\033[0m'
 
 [[ $EUID -ne 0 ]] && echo -e "[${red}Error${plain}] This script must be run as root!" && exit 1
 
+beforepath=$(pwd)
+
+tempdir="/tmp/wwcdockertempdir${RANDOM}"
+
+mkdir $tempdir -p
+
+cd $tempdir
+
 # download wwcdocker binary
 curl -s https://api.github.com/repos/iamwwc/wwcdocker/releases/latest \
   | grep browser_download_url \
@@ -22,5 +30,7 @@ chmod u+x wwcdocker
 #export to path
 export PATH=$PATH:${cwd}
 
+cd $beforepath
+
 green='\033[0;32m'
 echo -e "${green}Type wwcdocker for help :)${plain}"