fish_prompt.fish

set -g cmd_cnt 1

if [ $USER -eq root ]
  set -g shell_char \#
else
  set -g shell_char \$
end

bind \n __prompt_pre_exec

function __prompt_pre_exec -d ''
  test -n (commandline); and set cmd_cnt (math $cmd_cnt + 1)
  commandline -f execute
end

function __hist_counter_cancel -e fish_command_not_found -d 'Ignore failed command.'
  set cmd_cnt (math $cmd_cnt - 1)
end

#function 

function fish_prompt -d 'Prompt function.'
  set result $status
  echo -n \[

  echo -n (set_color 3FF)$cmd_cnt(set_color normal)@
  echo -n (set_color FF3)(prompt_pwd)(set_color normal)\]

  if [ $result -eq 0 ] 
    set_color 3F3
  else
    set_color F33
  end

  echo -n $shell_char\ (set_color normal)
end