[Insight-developers] Bash shell prompt customization

[Matthew McCormick (thewtex)]

>
>
> I'm sure the experts already know this, but if you are using the bash
> shell, you can customize the prompt to show which git branch is
> active.
>
> Here is what I added to my ~/.bashrc file:
>
> parse_git_branch()
>  {
>  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
>  }
> export
> PS1="[\[\e[01;34m\]\W\[\e[31m\]\$(parse_git_branch)\[\e[00m\]]\[\e[00m\]
> "
>
>
Hi Bill,

This is a great tip.

Note that git already comes with some machinery to do this.  Here is what
the relevant lines looks like in my .bashrc
source /usr/share/bash-completion/git
export
PS1='\[\033[01;32m\]\u\[\033[00;34m\]@\[\033[01;35m\]\h\[\033[01;36m\]
\w$(__git_ps1 " (%s)")\[\033[00;34m\]\$\[\033[00m\] '

There are tips in the comments of /usr/share/bash-completion/git for using
__git_ps1.  There are a couple of customization available.

Matt
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