Ubuntu: how do I show the git branch with colours in bash prompt

show git branch with colours in bash

References:
https://askubuntu.com/questions/730754/how-do-i-show-the-git-branch-with-colours-in-bash-prompt

Edit your bashrc file
$ nano ~/.bashrc

Add these lines in your ~/.bashrc file

...

# Show git branch name
force_color_prompt=yes
color_prompt=yes
parse_git_branch() {
 git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/(\1)/'
}
if [ "$color_prompt" = yes ]; then
 PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[01;31m\]$(parse_git_branch)\[\033[00m\]\$ '
else
 PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w$(parse_git_branch)\$ '
fi
unset color_prompt force_color_prompt

Reload the .bashrc file with this command:
$ source ~/.bashrc