#!/bin/bash#Upgrade go version to 1.7#wget https://storage.googleapis.com/golang/go1.7.linux-amd64.tar.gz go1.7.tar.gzfunction 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 1fifile=$1if [ ! -f $file ];then error "${file} not exist..." exit 1fiunzipPath="`pwd`/tmp_unzip_path/"info $unzipPathif [ ! -d $unzipPath ];then info "not exist" mkdir $unzipPathfitar -zxf $file -C $unzipPathgoroot=$GOROOTif [ ! -n $GOROOT ];then warn "Use default go root /usr/local/go" goroot="/usr/local/go"figopath=$2info "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 fificreateGoPath $gopathinfo "Copy go unzip files to $goroot"sudo cp -r "$unzipPath/go" $gorootrm -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/nullfiecho $exportGoroot | sudo tee -a $etcProfileexportGopath="export GOROOT=$gopath"if [ ! -z $GOPATH ];then cat $etcProfile | sed 's/^export.GOPATH.*//' | sudo tee $etcProfile > /dev/nullfiecho "export GOPATH=$gopath" | sudo tee -a $etcProfileecho 'export PATH=$GOROOT/bin:$GOPATH/bin:$PATH' | sudo tee -a $etcProfile# ## Replace multiple empty lines with one empty linecat $etcProfile -s | sudo tee $etcProfile > /dev/nullinfo "To make configuration take effect, will reboot, pls enter[y/n]"read -p "[y/n]" isRebootif [ $isReboot = "y" ];then sudo rebootfi