Created
May 26, 2015 16:45
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ZSH Theme that checks battery and online connectivity
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# vim:ft=zsh ts=2 sw=2 sts=2 | |
# | |
# Based on agnoster's Theme - https://gist.github.com/3712874 | |
# A Powerline-inspired theme for ZSH | |
# | |
# # README | |
# | |
# In order for this theme to render correctly, you will need a | |
# [Powerline-patched font](https://gist.github.com/1595572). | |
# | |
# In addition, I recommend the | |
# [Solarized theme](https://github.com/altercation/solarized/) and, if you're | |
# using it on Mac OS X, [iTerm 2](http://www.iterm2.com/) over Terminal.app - | |
# it has significantly better color fidelity. | |
# | |
# # Goals | |
# | |
# The aim of this theme is to only show you *relevant* information. Like most | |
# prompts, it will only show git information when in a git working directory. | |
# However, it goes a step further: everything from the current user and | |
# hostname to whether the last call exited with an error to whether background | |
# jobs are running in this shell will all be displayed automatically when | |
# appropriate. | |
### Segment drawing | |
# A few utility functions to make it easy and re-usable to draw segmented prompts | |
CURRENT_BG='NONE' | |
SEGMENT_SEPARATOR='⮀' | |
ONLINE='%{%F{green}%}◉' | |
OFFLINE='%{%F{red}%}⦿' | |
# Begin a segment | |
# Takes two arguments, background and foreground. Both can be omitted, | |
# rendering default background/foreground. | |
prompt_segment() { | |
local bg fg | |
[[ -n $1 ]] && bg="%K{$1}" || bg="%k" | |
[[ -n $2 ]] && fg="%F{$2}" || fg="%f" | |
if [[ $CURRENT_BG != 'NONE' && $1 != $CURRENT_BG ]]; then | |
echo -n " %{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%} " | |
else | |
echo -n "%{$bg%}%{$fg%} " | |
fi | |
CURRENT_BG=$1 | |
[[ -n $3 ]] && echo -n $3 | |
} | |
# End the prompt, closing any open segments | |
prompt_end() { | |
if [[ -n $CURRENT_BG ]]; then | |
echo -n " %{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR" | |
else | |
echo -n "%{%k%}" | |
fi | |
echo -n "%{%f%}" | |
CURRENT_BG='' | |
} | |
### Prompt components | |
# Each component will draw itself, and hide itself if no information needs to be shown | |
# Context: user@hostname (who am I and where am I) | |
prompt_context() { | |
local user=`whoami` | |
if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then | |
prompt_segment black default "%(!.%{%F{yellow}%}.)$user%m" | |
fi | |
} | |
# Git: branch/detached head, dirty status | |
prompt_git() { | |
local ref dirty | |
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then | |
ZSH_THEME_GIT_PROMPT_DIRTY='±' | |
dirty=$(parse_git_dirty) | |
ref=$(git symbolic-ref HEAD 2> /dev/null) || ref="➦ $(git show-ref --head -s --abbrev |head -n1 2> /dev/null)" | |
if [[ -n $dirty ]]; then | |
prompt_segment yellow black | |
else | |
prompt_segment green black | |
fi | |
echo -n "${ref/refs\/heads\//⭠ }$dirty" | |
fi | |
} | |
function prompt_online() { | |
if [[ -f ~/.offline ]]; then | |
echo $OFFLINE | |
else | |
echo $ONLINE | |
fi | |
} | |
# Dir: current working directory | |
prompt_dir() { | |
prompt_segment blue black '%~' | |
} | |
# Status: | |
# - was there an error | |
# - am I root | |
# - are there background jobs? | |
prompt_status() { | |
local symbols | |
symbols=() | |
[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}✘" | |
[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}⚡" | |
[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}⚙" | |
[[ -n "$symbols" ]] && prompt_segment black default "$symbols" | |
} | |
function battery_charge { | |
echo `~/bin/batcharge.py` | |
} | |
## Main prompt | |
build_prompt() { | |
RETVAL=$? | |
prompt_status | |
prompt_git | |
prompt_dir | |
prompt_end | |
} | |
RPROMPT='$(prompt_online) $(battery_charge)' | |
PROMPT='%{%f%b%k%}$(build_prompt) | |
» ' |
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