fish_prompt.fish

function prompt_dir -d "Display the actual directory"
  set -l root_path
  set -l root_name
  if command git rev-parse --is-inside-work-tree >/dev/null 2>&1
    set root_path (command git rev-parse --show-toplevel 2> /dev/null)
    set root_name (basename $root_path)
    set root_path (echo $root_path | sed -e 's/\//\\\\\//g')
    prompt_segment normal "#404040" (echo $root_name(pwd | sed -e "s/$root_path//g"))
  else
    prompt_segment normal "#404040" (prompt_pwd)
  end
end