.bashrc-prompt

# http://askubuntu.com/questions/123268/changing-colors-for-user-host-directory-information-in-terminal-command-prompt
##################################################
# Fancy PWD display function
##################################################
# The home directory (HOME) is replaced with a ~
# The last pwdmaxlen characters of the PWD are displayed
# Leading partial directory names are striped off
# /home/me/stuff          -> ~/stuff               if USER=me
# /usr/share/big_dir_name -> ../share/big_dir_name if pwdmaxlen=20
##################################################
bash_prompt_shortener() {
    # How many characters of the $PWD should be kept
    local pwdmaxlen=25
    # Indicate that there has been dir truncation
    local trunc_symbol=".."
    local dir=${PWD##*/}
    pwdmaxlen=$(( ( pwdmaxlen < ${#dir} ) ? ${#dir} : pwdmaxlen ))
    NEW_PWD=${PWD/#$HOME/\~}
    local pwdoffset=$(( ${#NEW_PWD} - pwdmaxlen ))
    if [ ${pwdoffset} -gt "0" ]
    then
        NEW_PWD=${NEW_PWD:$pwdoffset:$pwdmaxlen}
        NEW_PWD=${trunc_symbol}/${NEW_PWD#*/}
    fi
}

function setPrompt {
  COLOR1="\[\033[1;33m\]"     #First color
  COLOR2="\[\033[0;33m\]"     #Second color
  NO_COLOR="\[\033[0m\]"      #Transparent - don't change

  case $TERM in 
    xterm*)
      TITLEBAR="\[\033]0;\W:\s\007\]"
      ;;
    *)
      TITLEBAR=""
      ;;
  esac

  local dash_open="${COLOR1}-${COLOR2}-"
  local dash_close="${COLOR2}-${COLOR1}-"
  local spacer="${COLOR2}-"
  local jobs_and_history="${COLOR2}(${COLOR1}\!${COLOR2}:${COLOR1}\j${COLOR2})"
  local user_host="${COLOR2}(${COLOR1}\u${COLOR2}@${COLOR1}\H${COLOR2})"
  local host="${COLOR2}(${COLOR1}\H${COLOR2})"
  local root_or_not="${COLOR2}(${COLOR1}\\\$${COLOR2})"
  local cwd="${COLOR2}(${COLOR1}\w${COLOR2})"
  #PS1="${TITLEBAR}${COLOR1}-${COLOR2}-(${COLOR1}\!${COLOR2}:${COLOR1}\j${COLOR2})-(${COLOR1}\w${COLOR2})-${COLOR1}-\n-${COLOR2}-(${COLOR1}\u${COLOR2}@${COLOR1}\H${COLOR2})-(${COLOR1}\\\$${COLOR2})-${COLOR1}- ${NO_COLOR}"
  #PS1="${TITLEBAR}${dash_open}${cwd}${spacer}${root_or_not}${dash_close}\n${dash_open}${jobs_and_history}${spacer}${host}${dash_close}${NO_COLOR} "
  #PS2="${COLOR2}--${COLOR1}- ${NO_COLOR}"
  #PS1="${TITLEBAR}${COLOR1}"'${NEW_PWD}'"${COLOR2}:\$${NO_COLOR} "
  #PS1="${TITLEBAR}${COLOR1}"'\h \w'"${COLOR2}:\$${NO_COLOR} "
  PS1="${TITLEBAR}${COLOR1}"'\w'"${COLOR2}:\$${NO_COLOR} "
  #PS2="$spacer$dash_close$NO_COLOR "
}

bash_prompt_shortener
setPrompt
unset setPrompt

#Determine and display the exit Status of the last command, if non-zero.
function checkExitStatus() {
  local status="$?"
  local signal=""
  local COLOR1="\033[0;0;33m"     #First color
  local COLOR2="\033[0;0;36m"     #Second color
  local NO_COLOR="\033[0m"        #Transparent - don't change

  if [ ${status} -ne 0 -a ${status} != 128 ]; then
    # If process exited by a signal, determine name of signal.
    if [ ${status} -gt 128 ]; then
      signal="$(builtin kill -l $((${status} - 128)) 2>/dev/null)"
      if [ "$signal" ]; then
        signal="$signal"
      fi
    fi
    echo -e "${COLOR1}[Exit ${COLOR2}${status} ${signal}${COLOR1}]${NO_COLOR}" 1>&2
    #echo -ne "${COLOR1}[Exit ${COLOR2}${status}${COLOR1} ${COLOR2}${signal}${COLOR1}]${NO_COLOR} " 1>&2
    fi
  return 0
}
print_prompt_time() {
    printf "%*s\r" $(tput cols) "$(date '+%T')"
}

promptCmd() {
    checkExitStatus
    print_prompt_time
}

PROMPT_COMMAND=${PROMPT_COMMAND:+$PROMPT_COMMAND$';'}promptCmd