prezto/modules/prompt/functions/prompt_giddie_setup

#
# A colourful, friendly, multiline theme with some handy features:
#
# Authors:
#   Paul Gideon Dann <pdgiddie@gmail.com>
#
# Features:
#   - Simple VCS branch, staged, and unstaged indication.
#   - Prompt character is different in a VCS repository.
#   - Last command exit status is displayed when non-zero.
#
# Screenshots:
#   http://i.imgur.com/rCo3S.png
#

function prompt_giddie_precmd {
  # Replace "/home/<user>" with "~"
  _prompt_giddie_pwd="${PWD/#$HOME/~}"

  # Choose prompt symbol based on whether or not we are in a repository.
  if (( $+commands[git] )) && git rev-parse 2> /dev/null; then
    _prompt_giddie_symbol='±'
    vcs_info
  else
    _prompt_giddie_symbol=')'
  fi
}

function prompt_giddie_setup {
  setopt LOCAL_OPTIONS
  unsetopt XTRACE KSH_ARRAYS
  prompt_opts=(cr percent subst)

  # Load required functions.
  autoload -Uz vcs_info
  autoload -Uz add-zsh-hook

  # Add hook to call our function before each command
  add-zsh-hook precmd prompt_giddie_precmd

  zstyle ':prezto:module:editor:info:completing' format '%F{green}...%f'
  zstyle ':prezto:module:editor:info:keymap:alternate' format '%F{yellow}--- VI-COMMAND ---%f'
  zstyle ':vcs_info:*' enable git
  zstyle ':vcs_info:*' check-for-changes true
  zstyle ':vcs_info:*' formats ' on %F{magenta}%b%f%c%u'
  zstyle ':vcs_info:*' actionformats ' on %F{magenta}%b%f%c%u %F{yellow}(%a)%f'
  zstyle ':vcs_info:*' stagedstr '%F{green}+%f'
  zstyle ':vcs_info:*' unstagedstr '%F{green}!%f'

  # Define prompts.
  PROMPT='%(?..%F{red}%B-> [%?]%b%f
)%F{magenta}%n%f@%F{yellow}%m%f|%F{green}${_prompt_giddie_pwd}%f${vcs_info_msg_0_}
%F{blue}${_prompt_giddie_symbol}%f '
  RPROMPT=
  SPROMPT='zsh: correct %F{magenta}%R%f to %F{green}%r%f [nyae]? '
}

prompt_giddie_setup "$@"