Use 'g' as an Alias for 'git' without Losing Autocompletion

2010/8/29

I've just started using a new kind of abbreviation system for Git:

  • I use 'g' instead of 'git',

  • I've set up bash autocompletion for 'g', just like 'git'.

Previously, I used the following in my ~/.bashrc:

...
alias gts='git status'
alias gtd='git diff'
...

The problem is that, by doing this, you lose autocompletion.

Setup

1. Set Up 'g' as an alias for 'git'

In ~/.bashrc:

...
alias g='git'
...

2. Locate the Bash Completion File for Git

Locate your bash_completion.d directory:

  • On Linux, /etc/bash_completion.d,

  • I'm using OS X with Mac Ports, so mine is at /opt/local/etc/bash_completion.d.

Ensure the directory contains git-completion.bash

3. Add Completion for 'g'

Add the following to the end of git-completion.bash:

complete -o bashdefault -o default -o nospace -F _git g 2>/dev/null \
        || complete -o default -o nospace -F _git g

Now, if you type:

$ g |

you should see autocompletion:

$ g |
add                 commit              init                request-pull 
am                  config              instaweb            reset 
annotate            describe            log                 revert
...