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c_cyan="\033[36m"
c_red="\033[31m"
c_green="\033[32m"
c_pink="\033[35m"
c_sgr0="\033[0m"

parse_branch ()
{
   if git rev-parse --git-dir >/dev/null 2>&1
   then
      branchname="(git:"$(branch_color)$(git branch 2>/dev/null| sed -n '/^\*/s/^\* //p')${c_sgr0}") "
   elif hg prompt >/dev/null 2>&1
   then
      branchname="(hg:"$(branch_color)$(hg prompt "{branch}" 2>/dev/null)${c_sgr0}") "
   else
      return 0
   fi
   echo -e $branchname
}

branch_color ()
{
   if git rev-parse --git-dir >/dev/null 2>&1
   then
      color=""
      if git diff --quiet 2>/dev/null >&2
      then
         gitstatus=$(git status 2>/dev/null| tail -n1)
         case "$gitstatus" in
            "nothing to commit (working directory clean)" ) color=${c_green};;
            * ) color=${c_pink};;
         esac
      else
         color=${c_red}
      fi
   elif hg prompt >/dev/null 2>&1
   then
      color=""
      hgstatus=$(hg prompt {status} 2>/dev/null)
      case "$hgstatus" in
         "!" ) color=${c_red};;
         "?" ) color=${c_pink};;
         *       ) color=${c_green};;
      esac
   else
      return 0
   fi
   echo -ne $color
}

export PS1="\u@\h\[${c_red}\]:\W\[${c_sgr0}\] $(parse_branch)\$ "