Show current git branch in Ubuntu bash

.bashrc

# Add these lines to your .bashrc file located in ~/

# Show date in terminal
function show_date() {
  local current_time="[$(date '+%T')]"
  local green='\[\033[01;32m\]'
  local blue='\[\033[01;34m\]'
  local reset='\[\033[0m\]'
  PS1="$current_time ${green}\u${reset}${green}@${reset}${green}\h${reset}:${blue}\w${reset}\$ "
}
export PROMPT_COMMAND="show_date"


# Show current git branch in terminal
parse_git_branch() {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}
export PS1="\[\e]0;\u@\h: \w\a\]${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$(parse_git_branch) $ "