CODE EXAMPLE FOR SHELL

show git branch on terminal

# 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:+($debian_chroot)}[33[01;32m]u@h[33[00m]:[33[01;34m]w[33[01;31m]$(parse_git_branch)[33[00m]$ '
else
 PS1='${debian_chroot:+($debian_chroot)}u@h:w$(parse_git_branch)$ '
fi
unset color_prompt force_color_prompt