sudo rm -rvf /usr/local/go/
sudo rm -rvf /usr/local/bin/go

rm -rf ~/.gvm

bash < <(curl -s -S -L https://raw.githubusercontent.com/moovweb/gvm/master/binscripts/gvm-installer)

[[ -s "$HOME/.gvm/scripts/gvm" ]] && source "$HOME/.gvm/scripts/gvm"

~$ gvm
Usage: gvm [command]

Description:
  GVM is the Go Version Manager

Commands:
  version    - print the gvm version number
  get        - gets the latest code (for debugging)
  use        - select a go version to use (--default to set permanently)
  diff       - view changes to Go root
  help       - display this usage text
  implode    - completely remove gvm
  install    - install go versions
  uninstall  - uninstall go versions
  cross      - install go cross compilers
  linkthis   - link this directory into GOPATH
  list       - list installed go versions
  listall    - list available versions
  alias      - manage go version aliases
  pkgset     - manage go packages sets
  pkgenv     - edit the environment for a package set

~$ gvm install go1.9.7
Downloading Go source...
Installing go1.9.7...
 * Compiling...
ERROR: Failed to compile. Check the logs at /Users/rick/.gvm/logs/go-go1.9.7-compile.log
ERROR: Failed to use installed version

~$ cat /Users/rick/.gvm/logs/go-go1.9.7-compile.log
##### Building Go bootstrap tool.
cmd/dist
ERROR: Cannot find /Users/rick/go1.4/bin/go.
Set $GOROOT_BOOTSTRAP to a working Go tree >= Go 1.4.

~$ gvm install go1.9.7 --binary
# 或者
~$ gvm install go1.9.7 --B
Installing go1.9.7 from binary source

## 設定為預設版本
~$ gvm use go1.9.7 --default
Now using version go1.9.7

## 顯示已經安裝在本地的版本
~$ gvm list

## 顯示遠端可用的版本
~$ gvm listall

## 重新編譯（Compile）特定版本，需要先安裝好 Go1.4
~$ gvm install <version>

## 直接安裝 Binary，不需要編譯
~$ gvm install <version> -B
# 或者
~$ gvm install <version> -binary

# 刪除 gvm
~$ gvm implode
Are you sure? [Y/n] y
GVM successfully removed
~$ gvm
ERROR: GVM_ROOT does not exist. Please reinstall GVM