Git Version Control Cookbook - Second Edition

How it works...

To make use of the Command Prompt, we must change the PS1 variable; usually this is set to something like the following:

PS1='u@h:w$ '

The preceding command shows the current user, an @ sign, the hostname, the current working directory relative to the user's home directory, and finally, the $ character:

john.doe@yggdrasil:~/cookbook-tips-tricks$

We can change this to add a branch name after the working directory by adding $(__git_ps1 " (%s)") to the PS1 variable:

PS1='u@h:w$(__git_ps1 " (%s)") $ ' 

Our prompt will now look like this:

john.doe@yggdrasil:~/cookbook-tips-tricks (master) $

It is also possible to show the state of the working tree, the index, and so on. We can enable these features by exporting some environment ...