function collapse_pwd {
    echo $(pwd | sed -e "s,^$HOME,~,")
}

function prompt_char {
    git branch >/dev/null 2>/dev/null && echo '±' && return
    # hg root >/dev/null 2>/dev/null && echo '☿' && return
    # echo '○'
	echo '➜'
}

function battery_charge {
    echo `$BAT_CHARGE` 2>/dev/null
}

function virtualenv_info {
    [ $VIRTUAL_ENV ] && echo '('`basename $VIRTUAL_ENV`') '
}

 function hg_prompt_info {
#     hg prompt --angle-brackets "\
# < on %{$fg[magenta]%}<branch>%{$reset_color%}>\
# < at %{$fg[yellow]%}<tags|%{$reset_color%}, %{$fg[yellow]%}>%{$reset_color%}>\
# %{$fg[green]%}<status|modified|unknown><update>%{$reset_color%}<
# patches: <patches|join( → )|pre_applied(%{$fg[yellow]%})|post_applied(%{$reset_color%})|pre_unapplied(%{$fg_bold[black]%})|post_unapplied(%{$reset_color%})>>" 2>/dev/null
 }

PROMPT='
%{$fg[magenta]%}%n%{$reset_color%} at %{$fg[yellow]%}%m%{$reset_color%} in %{$fg_bold[green]%}$(collapse_pwd)%{$reset_color%}$(hg_prompt_info)$(git_prompt_info)
$(virtualenv_info)$(prompt_char) '

RPROMPT='$(battery_charge)'

ZSH_THEME_GIT_PROMPT_PREFIX=" on %{$fg[magenta]%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY="%{$fg[green]%}!"
ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[green]%}?"
ZSH_THEME_GIT_PROMPT_CLEAN=""