blinks-custom.zsh-theme.zsh

# custom based on https://github.com/blinks zsh theme
# see http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html

_BOLD='%{%B%}'
_UNBOLD='%{%b%}'
_BKG="%{%K{${bkg}}%}"
_FG () { echo "%{%F{$1}%}" }
_UNBKG='%{%k%}'
_UNFKG='%{%f%}'
_UNSET="$_UNBKG$_UNFKG$_UNBOLD"

function _prompt_char() {
  if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
    echo '$(_FG blue)±$_UNSET'
  else
    echo "%(!.#.\$)$_UNSET"
  fi
}

# This theme works with both the "dark" and "light" variants of the
# Solarized color schema.  Set the SOLARIZED_THEME variable to one of
# these two values to choose.  If you don't specify, we'll assume you're
# using the "dark" variant.

case ${SOLARIZED_THEME:-dark} in
    light) bkg=white;;
    *)     bkg=black;;
esac

ZSH_THEME_GIT_PROMPT_PREFIX=" [%{%B%F{blue}%}"
ZSH_THEME_GIT_PROMPT_SUFFIX="%{%f%k%b%K{${bkg}}%B%F{green}%}]"
ZSH_THEME_GIT_PROMPT_DIRTY=" %{%F{red}%}*%{%f%k%b%}"
ZSH_THEME_GIT_PROMPT_CLEAN=""

get_space () {
  local STR=$1$2
  local zero='%([BSUbfksu]|([FB]|){*})'
  local LENGTH=${#${(S%%)STR//$~zero/}}
  local SPACES=""
  (( LENGTH = ${COLUMNS} - $LENGTH - 1))

  for i in {0..$LENGTH}
    do
      SPACES="$SPACES "
    done

  echo $SPACES
}

_USERNAME_COLOR="%(!.$(_FG red).$(_FG green))"
_USERNAME="$_USERNAME_COLOR%n"
_AT="$(_FG blue)@"
_HOSTNAME="$(_FG cyan)%m"

_CWD="$(_FG yellow)%~"
_TIME='%D{%H:%M:%S}'

_PRELUDE_LEFT="$_BOLD$_USERNAME$_AT$_HOSTNAME$_UNBOLD $_CWD$_BOLD$(_FG green)$(git_prompt_info)%E$_UNFKG$_UNBOLD"
_PRELUDE_RIGHT="[$_TIME]"
_PRELUDE_SPACES=`get_space $_PRELUDE_LEFT $_PRELUDE_RIGHT`
_PRELUDE="$_BKG$_PRELUDE_LEFT$_PRELUDE_SPACES$_PRELUDE_RIGHT$_UNBKG"

PROMPT='
$_UNSET$_PRELUDE
$_BKG $(_prompt_char)$_UNSET '

RPROMPT='!$_BOLD$(_FG cyan)%!$_UNSET '