国内快速安装golang.org/x下的包

install_golang_org_x_quickly.sh

#!/bin/bash
# 网络环境会导致直接安装失败，使用此脚本可以避免这个问题

if [ -z $GOPATH ];then
    echo "GOPATH not exists!"
    exit 1
fi

dir=$GOPATH/src/golang.org/x

mkdir -p $dir

cd $dir

go_x_packages=("tools" \
    "lint" \
    "crypto" \
    "debug" \
    "image" \
    "net" \
    "sys" \
    "text" \
    "time" \
    "sync"
)

for i in ${go_x_packages[@]};
do
    echo $i
    if [ -d "$i" ]; then
        #已经存在了，更新
        cd $i
        git pull
        cd ../
    else
        #
        git clone https://github.com/golang/${i}.git
    fi
done