Docker and Git 自動補全(Mac OS 10.12.5)

1.安裝HomeBrew

ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"

2. 安裝bash-completion

brew install bash-completion

$ brew info bash-completion
bash-completion: stable 1.3 (bottled)
Programmable completion for Bash 3.2
https://bash-completion.alioth.debian.org/
Conflicts with:
  bash-completion@2 (because Differing version of same formula)
/usr/local/Cellar/bash-completion/1.3_3 (189 files, 608.6KB) *
  Poured from bottle on 2018-04-06 at 15:50:57
From: https://github.com/Homebrew/homebrew-core/blob/master/Formula/bash-completion.rb
==> Caveats
Add the following line to your ~/.bash_profile:
  [ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion

Bash completion has been installed to:
  /usr/local/etc/bash_completion.d

將[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion添加到~/.bash_profile(沒有就創建一個)

$ cat .bash_profile 
[ -f /usr/local/etc/bash_completion ] && . /usr/local/etc/bash_completion

3. 下載Docker和Git的completion文件

$ docker version
Client:
 Version:   18.03.0-ce
 API version:   1.37
 Go version:    go1.9.4
 Git commit:    0520e24
 Built: Wed Mar 21 23:06:22 2018
 OS/Arch:   darwin/amd64
 Experimental:  false
 Orchestrator:  swarm

......

從這裡docker/docker-ce(如果你的docker版本不是上面顯示的那樣，那麼需要重新選擇對應的分支)複製文件內容，然後將內容添加到/usr/local/etc/bash_completion.d/docker。當然能用curl工具更好了。
從這裡git/git複製文件內容添加至/usr/local/etc/bash_completion.d/git。
最後重啟終端。