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If I do this:

alias g='git'

I loose all completion rules (i.e. branches and remotes are no longer being automatically completed when I hit TAB after typing, for example g push o).

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While I don't have an answer for you, I'm going to have to take a minute and wonder if not typing those two other letters is really giving you much of an advantage? – Marco Ceppi Sep 19 '11 at 13:17
Sure it does! I'm typing 'g' probably over a 100 times a day. – Paweł Gościcki Sep 19 '11 at 13:29
Aliasing often-used short commands to even shorter aliases saves me hundreds of keypresses a day. According to my shell history, I have used the alias g=git 756 times in the past month, meaning I saved pressing the 'g' and 'i' keys 1512 times total. That, combined with my git aliases, probably saves me tens of thousands of key presses a month. – Evan Teitelman Dec 12 '12 at 1:56
The main point of shortening keystrokes is helping your hands keep up with your brain. – Tyler Collier Feb 26 '15 at 23:37
The script at… worked so well I think it deserves a mention. – brandizzi May 26 at 14:50
up vote 14 down vote accepted

Copying and modifying opportunely from /etc/bash_completion.d/git, add the following lines to your ~/.bashrc:

complete -o bashdefault -o default -o nospace -F _git g 2>/dev/null \
    || complete -o default -o nospace -F _git g
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Ha! Wunderbar! Works just like it should :) – Paweł Gościcki Sep 19 '11 at 13:32
I also had to add source /usr/share/bash-completion/completions/git to my .bashrc – pcx Aug 21 '14 at 6:46
Not sure if the .bashrc code here works, but this answer is definitely out of date. /etc/bash_completion.d/git doesn't seem to exist on 14.04. See lzap's answer below. – Max Wallace Nov 6 '15 at 18:04

Latest bash-completion upstream moved and renamed things a bit. It's now:

source /usr/share/bash-completion/completions/git
__git_complete g __git_main

Use this in recent versions of OSes (e.g. Fedora 22+) when you encounter:

completion: function `_git' not found

during completing.

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Seems like this is the only correct answer here. – pjvandehaar Nov 3 '15 at 6:17
Use __git_complete gc _git_checkout (or similar) to set up completions for more specific aliases. Search /usr/.../git as above to find the right name. – Max Wallace Nov 6 '15 at 18:00

In ~/.bashrc:

alias g='git'
source /usr/share/bash-completion/completions/git
complete -o default -o nospace -F _git g


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The updated way to do this (complete wouldn't work for me):

  1. cd - switch to your home directory
  2. wget
  3. Add source ~/git-completion.bash to your .bashrc file (if you don't have this file make one in your home folder, bash will look for it automatically)
  4. Add alias g='git'to your .bashrc file.
  5. Start a new session or source your changes with source ~/.bashrc
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You skipped the part where they actually added completion in the comment you linked to: __git_complete g _git – pjvandehaar Nov 3 '15 at 6:08

Just for the sake of completeness, I'd like to add an answer using the ~/.bash-completion file, which gets sourced at the end of the bash-completion script:

_xfunc git __git_complete g __git_main
_xfunc git __git_complete gl _git_log
_xfunc git __git_complete gd _git_diff
_xfunc git __git_complete gb _git_branch

Then in my ~/.bashrc I have just the aliases. I was trying to:

  • avoid poluting my ~/.bashrc with bash-completion stuff (keep stuff where it belongs) ✓
  • avoid sourcing the whole git-completion into my shell ☹

Unforutnately the _xfunc sources the git-completion anyway. I'll update this answer once I figure out how to do it properly (I also asked on lunchpad here).

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Look at here:

wget -O ~/.bash_aliases.git
echo "test -e ~/.bash_aliases.git && source ~/.bash_aliases.git" >> ~/.bashrc


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Sorry, but that's something completely different. Making such simple alias es for whole commands is trivial. – Paweł Gościcki May 15 '15 at 8:42
I just make them work like git plugin of Oh-My-Zsh:… – scue May 27 '15 at 14:26

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