This is one of the best tips if you are developer working with git on the terminal. If you are inside a directory or project managed by git, this will append the working branch your code is on to the prompt!

function parse_git_branch {
git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e 's/* (.*)/ [1]/'
}

BOLD=$(tput bold)
RESET=$(tput sgr0)

export PS1="[u@h W][$BOLD]$(parse_git_branch)[$RESET] $ "

The key here is, of course, the bash function created called: parse_git_branch(). Then we are modifying the default bash prompt and including the result via: $(parse_git_branch)

I do like to throw in a little color for the branch. So my actual prompt is:

export PS1="[u@h W]e[0;35m[$BOLD]$(parse_git_branch)[$RESET]e[m $ "
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