Add this snippet in Linux (Ubuntu)'s `~/.bashrc` to see your current git-branch in terminal prompt

git_branch

# Author : Shiva Bhusal
# github: shivabhusal
# stackoverflow: users/3437900/illusionist
##########################################

# Usages:
# - create a file called ~/.promptrc
# - add following in ~/.bashrc
#   `source ~/.promptrc`
#   # this will include the source of the file


# Content of the file ~/.promptrc


# @returns {String}
#  Eg: master
function parse_git_branch () {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/\1/'
}

        RED="\[\033[0;31m\]"
     YELLOW="\[\033[0;33m\]"
      GREEN="\[\033[0;32m\]"
       BLUE="\[\033[0;34m\]"
  LIGHT_RED="\[\033[1;31m\]"
LIGHT_GREEN="\[\033[1;32m\]"
      WHITE="\[\033[1;37m\]"
 LIGHT_GRAY="\[\033[0;37m\]"
   NO_COLOR="\[\033[0m\]"

RUBY_VERSION="\$(~/.rvm/bin/rvm-prompt)"

# \w --> working directory
# \u --> current user
# \h --> Computer name

export PS1="$GREEN\u:$BLUE\w$YELLOW (${RUBY_VERSION} : $(parse_git_branch)) $NO_COLOR$ "