Add (mostly) ported zsh configuration

prompt_fresh_setup

@@ -0,0 +1,45 @@
+prompt_fresh_setup() {
+  autoload -U add-zsh-hook
+  add-zsh-hook precmd prompt_fresh_precmd
+
+  if [ "$USERNAME" = "root" ]; then
+    local user="%{%F{9}%}%n%{%f%}"
+  else
+    local user="%{%F{35}%}%n%{%f%}"
+  fi
+
+  if [ "$SSH_CONNECTION" != "" ]; then
+    local user="%{%F{35}%}$user%{%f%}@%{%F{244}%}%M%{%f%}"
+  fi
+
+  PS1="«$user» "
+  # TODO: PS2
+  # TODO: PS3
+  # TODO: PS4
+  # TODO: RPS1
+
+  prompt_opts=(cr subst percent)
+}
+
+prompt_fresh_precmd() {
+  local exit_code=$?
+  if [[ $exit_code -ne 0 ]]; then
+    local result="%{%B%F{1}%}$exit_code%{%f%b%}"
+  fi
+
+  local time_stamp="%{%F{244}%}%D{%H:%M:%S}%{%f%}"
+  local directory="%{%F{37}%}%~%{%f%}"
+
+  # TODO: git status
+
+  local line="$time_stamp $directory"
+
+  visible_length() { echo $(( ${#${(S%%)1//(\%(KF1]|)\{*\}|\%[Bbkf])}} )) }
+  local length=`visible_length "$line$result"`
+
+  print -P "$line${(l:COLUMNS - $length - 1:: :)}$result"
+}
+
+prompt_fresh_setup "$@"
+
+# vim:ft=zsh