Display branch and version at your prompt

Version Display

# Show current git branch or SVN subfolder in prompt.
      GREEN="\[\033[0;32m\]"
LIGHT_GREEN="\[\033[1;32m\]"
       GRAY="\[\033[1;30m\]"
 LIGHT_BLUE="\[\033[1;34m\]"
 LIGHT_GRAY="\[\033[0;37m\]"
  COLOR_OFF="\[\e[0m\]"
function prompt_func() {
  PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
  
  branch_pattern="\* ([^$IFS]*)"
  if [[ -d "./.git" && "$(git branch --no-color 2> /dev/null)" =~ $branch_pattern ]]; then
    branch="${BASH_REMATCH[1]}"
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]'
    PS1+=":$GRAY$branch$LIGHT_GRAY@$revision$COLOR_OFF\$ "

  elif [[ -d "./.svn" ]]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]'
    path_pattern="URL: ([^$IFS]*).*Repository Root: ([^$IFS]*).*Revision: ([0-9]*)"
    if [[ "$(svn info 2> /dev/null)" =~ ${path_pattern} ]]; then
      branch=`/usr/bin/ruby -e 'print ARGV[0][ARGV[1].size + 1..-1] || "/"' ${BASH_REMATCH[1]} ${BASH_REMATCH[2]}`
      revision="${BASH_REMATCH[3]}"
      PS1+=":$GRAY$branch$LIGHT_GRAY@$revision$COLOR_OFF\$ "
    fi
  fi
}
PROMPT_COMMAND=prompt_func