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@drewjoh
Created March 24, 2016 14:58
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OhMyZsh Custom Theme
#
# Forked from 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=''
SHOW_STASH_SEGMENT=1
# 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}%}$SEGMENT_SEPARATOR"
else
echo -n "%{%k%}"
fi
echo -n "%{%f%}"
CURRENT_BG=''
}
### Prompt components
# Each component will draw itself, and hide itself if no information needs to be shown
# Context: user@hostname (who am I and where am I)
prompt_context() {
local user=`whoami`
prompt_segment black white "%*|$(promt_ram)"
# if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CLIENT" ]]; then
# prompt_segment black white "%(!.%{%F{yellow}%}.)$user |%*| $(promt_ram)G"
# fi
}
# Git: branch/detached head, dirty status
prompt_git() {
local ref dirty
if $(git rev-parse --is-inside-work-tree >/dev/null 2>&1); then
dirty=$(parse_git_dirty)
if [[ $SHOW_STASH_SEGMENT -eq 1 ]]; then
stash_size=$(git stash list | wc -l | tr -d ' ')
if [[ stash_size -ne 0 ]]; then
prompt_segment white black
echo -n "+${stash_size}"
fi
fi
ref=$(git symbolic-ref HEAD 2> /dev/null) || ""
if [[ -z $ref ]]; then
detached_head=true;
ref="$(git show-ref --head -s --abbrev |head -n1 2> /dev/null)";
ref_symbol=""
else
detached_head=false;
ref=${ref/refs\/heads\//}
ref_symbol=""
fi
remote=${$(git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
if [[ -n ${remote} ]] ; then
ahead=$(git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l | tr -d ' ')
displayed_ahead=" (+${ahead})"
behind=$(git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l | tr -d ' ')
else
ahead=""
displayed_ahead=""
behind=""
fi
if [[ -n $dirty ]]; then
prompt_segment yellow black
else
prompt_segment green black
fi
echo -n "${ref_symbol} ${ref}${displayed_ahead}"
setopt promptsubst
autoload -Uz vcs_info
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' get-revision true
zstyle ':vcs_info:*' check-for-changes true
zstyle ':vcs_info:*' stagedstr ''
zstyle ':vcs_info:git:*' unstagedstr ''
zstyle ':vcs_info:*' formats ' %u%c'
zstyle ':vcs_info:*' actionformats '%u%c'
vcs_info
echo -n "${vcs_info_msg_0_}"
# Displaying upstream dedicated segment
if [[ -n $remote ]]; then
if [ $behind -ne 0 ]; then
prompt_segment magenta white
else
prompt_segment cyan black
fi
echo -n "$remote (-$behind)"
fi
fi
}
prompt_hg() {
local rev status
if $(hg id >/dev/null 2>&1); then
if $(hg prompt >/dev/null 2>&1); then
if [[ $(hg prompt "{status|unknown}") = "?" ]]; then
# if files are not added
prompt_segment red white
st='±'
elif [[ -n $(hg prompt "{status|modified}") ]]; then
# if any modification
prompt_segment yellow black
st='±'
else
# if working copy is clean
prompt_segment green black
fi
echo -n $(hg prompt " {rev}@{branch}") $st
else
st=""
rev=$(hg id -n 2>/dev/null | sed 's/[^-0-9]//g')
branch=$(hg id -b 2>/dev/null)
if `hg st | grep -Eq "^\?"`; then
prompt_segment red black
st='±'
elif `hg st | grep -Eq "^(M|A)"`; then
prompt_segment yellow black
st='±'
else
prompt_segment green black
fi
echo -n "$rev@$branch" $st
fi
fi
}
# Dir: current working directory
prompt_dir() {
prompt_segment blue white '%~'
}
# Virtualenv: current working virtualenv
prompt_virtualenv() {
local virtualenv_path="$VIRTUAL_ENV"
if [[ -n $virtualenv_path ]]; then
prompt_segment blue black "(`basename $virtualenv_path`)"
fi
}
# 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 promt_ram {
top -l 1 | grep PhysMem: | awk '{print $6}'
}
prompt_next_line() {
prompt_segment default yellow "%c>"
echo -n "%{%f%}"
}
function vi_mode_prompt_info() {
echo "${${KEYMAP/vicmd/-- NORMAL --}/(main|viins)/-- INSERT --}"
}
## Main prompt
build_prompt() {
RETVAL=$?
prompt_status
prompt_virtualenv
prompt_context
prompt_dir
prompt_git
prompt_hg
prompt_end
}
PROMPT='%{%f%b%k%}$(build_prompt)
$(prompt_next_line) '
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