linux中用shell快速安装配置Go语言的开发环境-Golang

介绍

go1.5+版本提供编译好的安装包，我们只需要解压到相应的目录，并添加一些环境变量的配置即可。

Go语言的安装步骤

下载安装包go1.7.linux-amd64.tar.gz

解压文件到指定目录： tar -zxf go1.7.linux-amd64.tar.gz

设置环境变量：GOROOT, GOPATH, PATH

既然我们可以列出这些步骤，那么便可以将整个过程自动化。

下面是安装脚本

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									#!/bin/bash

									#Upgrade go version to 1.7

									#wget https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz go1.7.tar.gz

									function info() {

									 echo -e "\033[1;34m$1 \033[0m"

									}

									function warn() {

									 echo -e "\033[0;33m$1 \033[0m"

									}

									function error() {

									 echo -e "\033[0;31m$1 \033[0m"

									}

									function usage() {

									 info "Upgrade or install golang..."

									 info "USAGE:"

									 info " ./upgrade.sh tar_file gopath"

									 info " tar_file specify where is the tar file of go binary file"

									 info " gopath specify where is the go workspace, include src, bin, pkg folder"

									}

									function createGoPath() {

									 if [ ! -d $1 ];

									 then

									 mkdir -p $1

									 fi

									 if [ ! -d "$1/src" ];

									 then

									 mkdir "$1/src"

									 fi

									 if [ ! -d "$1/bin" ];

									 then

									 mkdir "$1/bin"

									 fi

									 if [ ! -d "$1/pkg" ];

									 then

									 mkdir "$1/pkg"

									 fi

									}

									if [ -z $1 ];

									then

									 usage

									 exit 1

									fi

									file=$1

									if [ ! -f $file ];

									then

									 error "${file} not exist..."

									 exit 1

									fi

									unzipPath="`pwd`/tmp_unzip_path/"

									info $unzipPath

									if [ ! -d $unzipPath ];

									then

									 info "not exist"

									 mkdir $unzipPath

									fi

									tar -zxf $file -C $unzipPath

									goroot=$GOROOT

									if [ ! -n $GOROOT ];

									then

									 warn "Use default go root /usr/local/go"

									 goroot="/usr/local/go"

									fi

									gopath=$2

									info "Create go workspace, include src,bin,pkg folder..."

									if [ -z $2 ];

									 then

									 user=`whoami`

									 gopath="/home/$user/workspace/golang"

									 warn "Use $gopath as golang workspace..."

									 if [ ! -d $gopath ];

									 then

									 mkdir -p $gopath

									 fi

									fi

									createGoPath $gopath

									info "Copy go unzip files to $goroot"

									sudo cp -r "$unzipPath/go" $goroot

									rm -rf $unzipPath

									#etcProfile="/home/user/Desktop/etc"

									etcProfile="/etc/profile"

									exportGoroot="export GOROOT=$goroot"

									if [ ! -z $GOROOT ];

									then

									 cat $etcProfile | sed 's/^export.GOROOT.*//' | sudo tee $etcProfile > /dev/null

									fi

									echo $exportGoroot | sudo tee -a $etcProfile

									exportGopath="export GOROOT=$gopath"

									if [ ! -z $GOPATH ];

									then

									 cat $etcProfile | sed 's/^export.GOPATH.*//' | sudo tee $etcProfile > /dev/null

									fi

									echo "export GOPATH=$gopath" | sudo tee -a $etcProfile

									echo 'export PATH=$GOROOT/bin:$GOPATH/bin:$PATH' | sudo tee -a $etcProfile

									# ## Replace multiple empty lines with one empty line

									cat $etcProfile -s | sudo tee $etcProfile > /dev/null

									info "To make configuration take effect, will reboot, pls enter[y/n]"

									read -p "[y/n]" isReboot

									if [ $isReboot = "y" ];

									then

									 sudo reboot

									fi