#!/usr/bin/env zsh
  # ------------------------------------------------------------------------------
  # Prompt for the Zsh shell:
  #   * One line.
  #   * VCS info on the right prompt.
  #   * Only shows the path on the left prompt by default.
  #   * Crops the path to a defined length and only shows the path relative to
  #     the current VCS repository root.
  #   * Wears a different color wether the last command succeeded/failed.
  #   * Shows user@hostname if connected through SSH.
  #   * Shows if logged in as root or not.
  # ------------------------------------------------------------------------------
  
  # Customizable parameters.
  PROMPT_PATH_MAX_LENGTH=30
  PROMPT_DEFAULT_END=❯
  PROMPT_ROOT_END=❯❯❯
  PROMPT_SUCCESS_COLOR=$FG[071]
  PROMPT_FAILURE_COLOR=$FG[124]
  PROMPT_VCS_INFO_COLOR=$FG[242]
  
  # Set required options.
  setopt promptsubst
  
  # Load required modules.
  autoload -U add-zsh-hook
  autoload -Uz vcs_info
  
  # Add hook for calling vcs_info before each command.
  add-zsh-hook precmd vcs_info
  
  # Set vcs_info parameters.
  zstyle ':vcs_info:*' enable hg bzr git
  zstyle ':vcs_info:*:*' check-for-changes true # Can be slow on big repos.
  zstyle ':vcs_info:*:*' unstagedstr '!'
  zstyle ':vcs_info:*:*' stagedstr '+'
  zstyle ':vcs_info:*:*' actionformats "%S" "%r/%s/%b %u%c (%a)"
  zstyle ':vcs_info:*:*' formats "%S" "%r/%s/%b %u%c"
  zstyle ':vcs_info:*:*' nvcsformats "%~" ""
  
  # Define prompts.
  PROMPT="%(0?.%{$PROMPT_SUCCESS_COLOR%}.%{$PROMPT_FAILURE_COLOR%})${SSH_TTY:+[%n@%m]}%{$FX[bold]%}%$PROMPT_PATH_MAX_LENGTH<..<"'${vcs_info_msg_0_%%.}'"%<<%(!.$PROMPT_ROOT_END.$PROMPT_DEFAULT_END)%{$FX[no-bold]%}%{$FX[reset]%} "
  RPROMPT="%{$PROMPT_VCS_INFO_COLOR%}"'$vcs_info_msg_1_'"%{$FX[reset]%}"