dotfiles/zsh/modules/prompt/themes/magicmace.zsh-theme

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2018-04-05 13:06:54 +02:00
#
# magicmace theme
# Ideas and code taken from:
# xero's zsh prompt <http://code.xero.nu/dotfiles>
# eriner's eriner prompt <https://github.com/Eriner/zim/blob/master/modules/prompt/themes/eriner.zsh-theme>
#
# Requires the `git-info` zmodule to be included in the .zimrc file.
# Global variables
function {
COLOR_ROOT="%F{red}"
COLOR_USER="%F{cyan}"
COLOR_NORMAL="%F{white}"
COLOR_ERROR="%F{red}"
if (( ${EUID} )); then
COLOR_USER_LEVEL=${COLOR_USER}
else
COLOR_USER_LEVEL=${COLOR_ROOT}
fi
}
# Status:
# - was there an error?
# - are there background jobs?
# - are we in a ranger session?
prompt_magicmace_status() {
local symbols=""
(( ${RETVAL} )) && symbols+="${COLOR_ERROR}${RETVAL}${COLOR_NORMAL}" # $? for error.
(( $(jobs -l | wc -l) > 0 )) && symbols+='b' # 'b' for background.
(( ${RANGER_LEVEL} )) && symbols+='r' # 'r' for... you guessed it!
[[ -n ${symbols} ]] && print -n "─${COLOR_NORMAL}${symbols}${COLOR_USER_LEVEL}─"
}
prompt_magicmace_git() {
[[ -n ${git_info} ]] && print -n "${(e)git_info[prompt]}"
}
prompt_magicmace_precmd() {
# While it would be apt to have this as a local variable in prompt_status(),
# $? (returned value) and ${(%):-%?} ("The return status of the last command
# executed just before the prompt") both change before executing the function.
# Is this perhaps because prompt_status _is_ here?
# We could also just set $? as an argument, and thus get our nifty local variable,
# but that's stretching it, and makes the code harder to read.
RETVAL=$?
(( ${+functions[git-info]} )) && git-info
}
prompt_magicmace_setup() {
autoload -Uz colors && colors
autoload -Uz add-zsh-hook
prompt_opts=(cr percent subst)
add-zsh-hook precmd prompt_magicmace_precmd
zstyle ':zim:git-info:branch' format '%b'
zstyle ':zim:git-info:commit' format '%c...'
zstyle ':zim:git-info:dirty' format '*'
zstyle ':zim:git-info:ahead' format '↑'
zstyle ':zim:git-info:behind' format '↓'
zstyle ':zim:git-info:keys' format \
'prompt' '─[${COLOR_NORMAL}%b%c%D%A%B${COLOR_USER_LEVEL}]'
# Call git directly, ignoring aliases under the same name.
PROMPT='${COLOR_USER_LEVEL}$(prompt_magicmace_status)[${COLOR_NORMAL}$(short_pwd)${COLOR_USER_LEVEL}]$(prompt_magicmace_git)── ─%f '
RPROMPT=''
}
prompt_magicmace_setup "$@"