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first customizations

pull/1109/head
Clayton Auld 9 years ago
parent e2b1a717f3
commit 1049999a50

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../external/pure/async.zsh

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#!/usr/bin/env zsh
#
# zsh-async
#
# version: 1.1.0
# author: Mathias Fredriksson
# url: https://github.com/mafredri/zsh-async
#
# Wrapper for jobs executed by the async worker, gives output in parseable format with execution time
_async_job() {
# Store start time as double precision (+E disables scientific notation)
float -F duration=$EPOCHREALTIME
# Run the command
#
# What is happening here is that we are assigning stdout, stderr and ret to
# variables, and then we are printing out the variable assignment through
# typeset -p. This way when we run eval we get something along the lines of:
# eval "
# typeset stdout=' M async.test.sh\n M async.zsh'
# typeset ret=0
# typeset stderr=''
# "
unset stdout stderr ret
eval "$(
{
stdout=$(eval "$@")
ret=$?
typeset -p stdout ret
} 2> >(stderr=$(cat); typeset -p stderr)
)"
# Calculate duration
duration=$(( EPOCHREALTIME - duration ))
# stip all null-characters from stdout and stderr
stdout=${stdout//$'\0'/}
stderr=${stderr//$'\0'/}
# if ret is missing for some unknown reason, set it to -1 to indicate we
# have run into a bug
ret=${ret:--1}
# Grab mutex lock
read -ep >/dev/null
# return output (<job_name> <return_code> <stdout> <duration> <stderr>)
print -r -N -n -- "$1" "$ret" "$stdout" "$duration" "$stderr"$'\0'
# Unlock mutex
print -p "t"
}
# The background worker manages all tasks and runs them without interfering with other processes
_async_worker() {
local -A storage
local unique=0
# Process option parameters passed to worker
while getopts "np:u" opt; do
case $opt in
# Use SIGWINCH since many others seem to cause zsh to freeze, e.g. ALRM, INFO, etc.
n) trap 'kill -WINCH $ASYNC_WORKER_PARENT_PID' CHLD;;
p) ASYNC_WORKER_PARENT_PID=$OPTARG;;
u) unique=1;;
esac
done
# Create a mutex for writing to the terminal through coproc
coproc cat
# Insert token into coproc
print -p "t"
while read -r cmd; do
# Separate on spaces into an array
cmd=(${=cmd})
local job=$cmd[1]
# Check for non-job commands sent to worker
case $job in
_unset_trap)
trap - CHLD; continue;;
_killjobs)
# Do nothing in the worker when receiving the TERM signal
trap '' TERM
# Send TERM to the entire process group (PID and all children)
kill -TERM -$$ &>/dev/null
# Reset trap
trap - TERM
continue
;;
esac
# If worker should perform unique jobs
if (( unique )); then
# Check if a previous job is still running, if yes, let it finnish
for pid in ${${(v)jobstates##*:*:}%\=*}; do
if [[ ${storage[$job]} == $pid ]]; then
continue 2
fi
done
fi
# Run task in background
_async_job $cmd &
# Store pid because zsh job manager is extremely unflexible (show jobname as non-unique '$job')...
storage[$job]=$!
done
}
#
# Get results from finnished jobs and pass it to the to callback function. This is the only way to reliably return the
# job name, return code, output and execution time and with minimal effort.
#
# usage:
# async_process_results <worker_name> <callback_function>
#
# callback_function is called with the following parameters:
# $1 = job name, e.g. the function passed to async_job
# $2 = return code
# $3 = resulting stdout from execution
# $4 = execution time, floating point e.g. 2.05 seconds
# $5 = resulting stderr from execution
#
async_process_results() {
setopt localoptions noshwordsplit
integer count=0
local worker=$1
local callback=$2
local -a items
local IFS=$'\0'
typeset -gA ASYNC_PROCESS_BUFFER
# Read output from zpty and parse it if available
while zpty -rt $worker line 2>/dev/null; do
# Remove unwanted \r from output
ASYNC_PROCESS_BUFFER[$worker]+=${line//$'\r'$'\n'/$'\n'}
# Split buffer on null characters, preserve empty elements
items=("${(@)=ASYNC_PROCESS_BUFFER[$worker]}")
# Remove last element since it's due to the return string separator structure
items=("${(@)items[1,${#items}-1]}")
# Continue until we receive all information
(( ${#items} % 5 )) && continue
# Work through all results
while (( ${#items} > 0 )); do
$callback "${(@)=items[1,5]}"
shift 5 items
count+=1
done
# Empty the buffer
unset "ASYNC_PROCESS_BUFFER[$worker]"
done
# If we processed any results, return success
(( count )) && return 0
# No results were processed
return 1
}
# Watch worker for output
_async_zle_watcher() {
setopt localoptions noshwordsplit
typeset -gA ASYNC_PTYS ASYNC_CALLBACKS
local worker=$ASYNC_PTYS[$1]
local callback=$ASYNC_CALLBACKS[$worker]
if [[ -n $callback ]]; then
async_process_results $worker $callback
fi
}
#
# Start a new asynchronous job on specified worker, assumes the worker is running.
#
# usage:
# async_job <worker_name> <my_function> [<function_params>]
#
async_job() {
setopt localoptions noshwordsplit
local worker=$1; shift
zpty -w $worker $@
}
# This function traps notification signals and calls all registered callbacks
_async_notify_trap() {
setopt localoptions noshwordsplit
for k in ${(k)ASYNC_CALLBACKS}; do
async_process_results $k ${ASYNC_CALLBACKS[$k]}
done
}
#
# Register a callback for completed jobs. As soon as a job is finnished, async_process_results will be called with the
# specified callback function. This requires that a worker is initialized with the -n (notify) option.
#
# usage:
# async_register_callback <worker_name> <callback_function>
#
async_register_callback() {
setopt localoptions noshwordsplit nolocaltraps
typeset -gA ASYNC_CALLBACKS
local worker=$1; shift
ASYNC_CALLBACKS[$worker]="$*"
if (( ! ASYNC_USE_ZLE_HANDLER )); then
trap '_async_notify_trap' WINCH
fi
}
#
# Unregister the callback for a specific worker.
#
# usage:
# async_unregister_callback <worker_name>
#
async_unregister_callback() {
typeset -gA ASYNC_CALLBACKS
unset "ASYNC_CALLBACKS[$1]"
}
#
# Flush all current jobs running on a worker. This will terminate any and all running processes under the worker, use
# with caution.
#
# usage:
# async_flush_jobs <worker_name>
#
async_flush_jobs() {
setopt localoptions noshwordsplit
local worker=$1; shift
# Check if the worker exists
zpty -t $worker &>/dev/null || return 1
# Send kill command to worker
zpty -w $worker "_killjobs"
# Clear all output buffers
while zpty -r $worker line; do true; done
# Clear any partial buffers
typeset -gA ASYNC_PROCESS_BUFFER
unset "ASYNC_PROCESS_BUFFER[$worker]"
}
#
# Start a new async worker with optional parameters, a worker can be told to only run unique tasks and to notify a
# process when tasks are complete.
#
# usage:
# async_start_worker <worker_name> [-u] [-n] [-p <pid>]
#
# opts:
# -u unique (only unique job names can run)
# -n notify through SIGWINCH signal
# -p pid to notify (defaults to current pid)
#
async_start_worker() {
setopt localoptions noshwordsplit
local worker=$1; shift
zpty -t $worker &>/dev/null && return
typeset -gA ASYNC_PTYS
typeset -h REPLY
zpty -b $worker _async_worker -p $$ $@ || {
async_stop_worker $worker
return 1
}
if (( ASYNC_USE_ZLE_HANDLER )); then
ASYNC_PTYS[$REPLY]=$worker
zle -F $REPLY _async_zle_watcher
# If worker was called with -n, disable trap in favor of zle handler
async_job $worker _unset_trap
fi
}
#
# Stop one or multiple workers that are running, all unfetched and incomplete work will be lost.
#
# usage:
# async_stop_worker <worker_name_1> [<worker_name_2>]
#
async_stop_worker() {
setopt localoptions noshwordsplit
local ret=0
for worker in $@; do
# Find and unregister the zle handler for the worker
for k v in ${(@kv)ASYNC_PTYS}; do
if [[ $v == $worker ]]; then
zle -F $k
unset "ASYNC_PTYS[$k]"
fi
done
async_unregister_callback $worker
zpty -d $worker 2>/dev/null || ret=$?
done
return $ret
}
#
# Initialize the required modules for zsh-async. To be called before using the zsh-async library.
#
# usage:
# async_init
#
async_init() {
(( ASYNC_INIT_DONE )) && return
ASYNC_INIT_DONE=1
zmodload zsh/zpty
zmodload zsh/datetime
# Check if zsh/zpty returns a file descriptor or not, shell must also be interactive
ASYNC_USE_ZLE_HANDLER=0
[[ -o interactive ]] && {
typeset -h REPLY
zpty _async_test cat
(( REPLY )) && ASYNC_USE_ZLE_HANDLER=1
zpty -d _async_test
}
}
async() {
async_init
}
async "$@"

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../external/agnoster/agnoster.zsh-theme

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# vim:ft=zsh ts=2 sw=2 sts=2
#
# 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'
PRIMARY_FG=black
# Characters
SEGMENT_SEPARATOR="\ue0b0"
PLUSMINUS="\u00b1"
BRANCH="\ue0a0"
DETACHED="\u27a6"
CROSS="\u2718"
LIGHTNING="\u26a1"
GEAR="\u2699"
# 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 != $CURRENT_BG ]]; then
print -n "%{$bg%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR%{$fg%}"
else
print -n "%{$bg%}%{$fg%}"
fi
CURRENT_BG=$1
[[ -n $3 ]] && print -n $3
}
# End the prompt, closing any open segments
prompt_end() {
if [[ -n $CURRENT_BG ]]; then
print -n "%{%k%F{$CURRENT_BG}%}$SEGMENT_SEPARATOR"
else
print -n "%{%k%}"
fi
print -n "%{%f%}"
CURRENT_BG=''
}
### Prompt components
# Each component will draw itself, and hide itself if no information needs to be shown
# Context: user@hostname (who am I and where am I)
prompt_context() {
local user=`whoami`
if [[ "$user" != "$DEFAULT_USER" || -n "$SSH_CONNECTION" ]]; then
prompt_segment $PRIMARY_FG default " %(!.%{%F{yellow}%}.)$user@%m "
fi
}
# Git: branch/detached head, dirty status
prompt_git() {
local color ref
is_dirty() {
test -n "$(git status --porcelain --ignore-submodules)"
}
ref="$vcs_info_msg_0_"
if [[ -n "$ref" ]]; then
if is_dirty; then
color=yellow
ref="${ref} $PLUSMINUS"
else
color=green
ref="${ref} "
fi
if [[ "${ref/.../}" == "$ref" ]]; then
ref="$BRANCH $ref"
else
ref="$DETACHED ${ref/.../}"
fi
prompt_segment $color $PRIMARY_FG
print -Pn " $ref"
fi
}
# Dir: current working directory
prompt_dir() {
prompt_segment blue $PRIMARY_FG ' %~ '
}
# Status:
# - was there an error
# - am I root
# - are there background jobs?
prompt_status() {
local symbols
symbols=()
[[ $RETVAL -ne 0 ]] && symbols+="%{%F{red}%}$CROSS"
[[ $UID -eq 0 ]] && symbols+="%{%F{yellow}%}$LIGHTNING"
[[ $(jobs -l | wc -l) -gt 0 ]] && symbols+="%{%F{cyan}%}$GEAR"
[[ -n "$symbols" ]] && prompt_segment $PRIMARY_FG default " $symbols "
}
## Main prompt
prompt_agnoster_main() {
RETVAL=$?
CURRENT_BG='NONE'
prompt_status
prompt_context
prompt_dir
prompt_git
prompt_end
}
prompt_agnoster_precmd() {
vcs_info
PROMPT='%{%f%b%k%}$(prompt_agnoster_main) '
}
prompt_agnoster_setup() {
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
prompt_opts=(cr subst percent)
add-zsh-hook precmd prompt_agnoster_precmd
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' check-for-changes false
zstyle ':vcs_info:git*' formats '%b'
zstyle ':vcs_info:git*' actionformats '%b (%a)'
}
prompt_agnoster_setup "$@"

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../external/powerline/prompt_powerline_setup

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#
# A ZSH theme based on a combination of the skwp prezto theme and the robl ohmyzsh theme.
# * RVM info shown on the right
# * Git branch info on the left
# * Single line prompt
# * Time since last commit on the left
# * Time in place of user@hostname
#
# Authors:
# David Rice <me@davidjrice.co.uk>
ZSH_THEME_REP_TIME_SINCE_COMMIT_SHORT="%{$fg[green]%}"
ZSH_THEME_REP_TIME_SINCE_COMMIT_MEDIUM="%{$fg[yellow]%}"
ZSH_THEME_REP_TIME_SINCE_COMMIT_LONG="%{$fg[red]%}"
ZSH_THEME_REP_TIME_SINCE_COMMIT_NEUTRAL="%{$fg[cyan]%}"
# returns the time since last git commit
function git_time_details() {
# only proceed if there is actually a git repository
if `git rev-parse --git-dir > /dev/null 2>&1`; then
# only proceed if there is actually a commit
if [[ $(git log 2>&1 > /dev/null | grep -c "^fatal: bad default revision") == 0 ]]; then
# get the last commit hash
# lc_hash=`git log --pretty=format:'%h' -1 2> /dev/null`
# get the last commit time
lc_time=`git log --pretty=format:'%at' -1 2> /dev/null`
now=`date +%s`
seconds_since_last_commit=$((now-lc_time))
lc_time_since=`time_since_commit $seconds_since_last_commit`
echo "$lc_time_since"
else
echo ""
fi
else
echo ""
fi
}
# returns the time by given seconds
function time_since_commit() {
seconds_since_last_commit=$(($1 + 0))
# totals
MINUTES=$((seconds_since_last_commit / 60))
HOURS=$((seconds_since_last_commit/3600))
# sub-hours and sub-minutes
DAYS=$((seconds_since_last_commit / 86400))
SUB_HOURS=$((HOURS % 24))
SUB_MINUTES=$((MINUTES % 60))
if [ "$HOURS" -gt 24 ]; then
echo "${DAYS}d${SUB_HOURS}h${SUB_MINUTES}m"
elif [ "$MINUTES" -gt 60 ]; then
echo "${HOURS}h${SUB_MINUTES}m"
else
echo "${MINUTES}m"
fi
}
function rvm_info_for_prompt {
if [[ -d ~/.rvm/ ]]; then
local ruby_version=$(~/.rvm/bin/rvm-prompt)
if [ -n "$ruby_version" ]; then
echo "$ruby_version"
fi
else
echo ""
fi
}
function prompt_powerline_precmd {
# Check for untracked files or updated submodules since vcs_info doesn't.
if [[ ! -z $(git ls-files --other --exclude-standard 2> /dev/null) ]]; then
fmt_branch="%b%u%c${__PROMPT_SKWP_COLORS[4]}●%f"
else
fmt_branch="%b%u%c"
fi
zstyle ':vcs_info:*:prompt:*' formats "${fmt_branch}"
vcs_info 'prompt'
RVM_PRECMD_INFO=$(rvm_info_for_prompt)
# zstyle ':prezto:module:ruby' rvm '%r'
}
function prompt_powerline_setup {
setopt LOCAL_OPTIONS
unsetopt XTRACE KSH_ARRAYS
prompt_opts=(cr percent subst)
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
add-zsh-hook precmd prompt_powerline_precmd
# Use extended color pallete if available.
if [[ $TERM = *256color* || $TERM = *rxvt* ]]; then
__PROMPT_SKWP_COLORS=(
"%F{81}" # turquoise
"%F{166}" # orange
"%F{135}" # purple
"%F{161}" # hotpink
"%F{118}" # limegreen
)
else
__PROMPT_SKWP_COLORS=(
"%F{cyan}"
"%F{yellow}"
"%F{magenta}"
"%F{red}"
"%F{green}"
)
fi
# Enable VCS systems you use.
zstyle ':vcs_info:*' enable bzr git hg svn
# check-for-changes can be really slow.
# You should disable it if you work with large repositories.
zstyle ':vcs_info:*:prompt:*' check-for-changes true
# Formats:
# %b - branchname
# %u - unstagedstr (see below)
# %c - stagedstr (see below)
# %a - action (e.g. rebase-i)
# %R - repository path
# %S - path in the repository
# %n - user
# %m - machine hostname
# local fmt_branch="(${__PROMPT_SKWP_COLORS[1]}%b%f%u%c)"
local fmt_branch="${__PROMPT_SKWP_COLORS[2]}%b%f%u%c"
local fmt_action="${__PROMPT_SKWP_COLORS[5]}%a%f"
local fmt_unstaged="${__PROMPT_SKWP_COLORS[2]}●%f"
local fmt_staged="${__PROMPT_SKWP_COLORS[5]}●%f"
zstyle ':vcs_info:*:prompt:*' unstagedstr "${fmt_unstaged}"
zstyle ':vcs_info:*:prompt:*' stagedstr "${fmt_staged}"
zstyle ':vcs_info:*:prompt:*' actionformats "${fmt_branch}${fmt_action}"
zstyle ':vcs_info:*:prompt:*' formats "${fmt_branch}"
zstyle ':vcs_info:*:prompt:*' nvcsformats ""
# SPLIT RVM PROMPT INFO
# TODO: should assign this to local variable? somehow doesn't work correctly.
rvm_split=("${(s/@/)$(rvm_info_for_prompt)}")
# if [ "$POWERLINE_RIGHT_B" = "" ]; then
# POWERLINE_RIGHT_B=%D{%H:%M:%S}
local powerline_right_b=$rvm_split[1]
# fi
# if [ "$POWERLINE_RIGHT_A" = "" ]; then
local powerline_right_a=$rvm_split[2]
# fi
# Setup powerline style colouring
POWERLINE_COLOR_BG_GRAY=%K{240}
POWERLINE_COLOR_BG_LIGHT_GRAY=%K{240}
POWERLINE_COLOR_BG_WHITE=%K{255}
POWERLINE_COLOR_FG_GRAY=%F{240}
POWERLINE_COLOR_FG_LIGHT_GRAY=%F{240}
POWERLINE_COLOR_FG_WHITE=%F{255}
POWERLINE_SEPARATOR=$'\u2b80'
POWERLINE_R_SEPARATOR=$'\u2b82'
POWERLINE_LEFT_A="%K{green}%F{white} %~ %k%f%F{green}%K{blue}"$POWERLINE_SEPARATOR
POWERLINE_LEFT_B="%k%f%F{white}%K{blue} "'${vcs_info_msg_0_}'" %k%f%F{blue}%K{black}"$POWERLINE_SEPARATOR
POWERLINE_LEFT_C=" %k%f%F{white}%K{black}"'$(git_time_details)'" %k%f%F{black}"$POWERLINE_SEPARATOR"%f "
PROMPT=$POWERLINE_LEFT_A$POWERLINE_LEFT_B$POWERLINE_LEFT_C
# RPROMPT=$POWERLINE_COLOR_FG_WHITE$POWERLINE_R_SEPARATOR"%f$POWERLINE_COLOR_BG_WHITE $POWERLINE_COLOR_FG_GRAY$powerline_right_b "$POWERLINE_R_SEPARATOR"%f%k$POWERLINE_COLOR_BG_GRAY$POWERLINE_COLOR_FG_WHITE $powerline_right_a %f%k"
# RPROMPT=$POWERLINE_COLOR_FG_WHITE$POWERLINE_R_SEPARATOR"%f$POWERLINE_COLOR_BG_WHITE $POWERLINE_COLOR_FG_GRAY"'$powerline_right_b'" "$POWERLINE_R_SEPARATOR"%f%k$POWERLINE_COLOR_BG_GRAY$POWERLINE_COLOR_FG_WHITE "'$powerline_right_a'" %f%k"
RPROMPT=$POWERLINE_COLOR_FG_WHITE$POWERLINE_R_SEPARATOR"%f$POWERLINE_COLOR_BG_WHITE $POWERLINE_COLOR_FG_GRAY"'$(rvm_info_for_prompt)'" "
}
prompt_powerline_setup "$@"

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../external/pure/pure.zsh

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# Pure
# by Sindre Sorhus
# https://github.com/sindresorhus/pure
# MIT License
# For my own and others sanity
# git:
# %b => current branch
# %a => current action (rebase/merge)
# prompt:
# %F => color dict
# %f => reset color
# %~ => current path
# %* => time
# %n => username
# %m => shortname host
# %(?..) => prompt conditional - %(condition.true.false)
# terminal codes:
# \e7 => save cursor position
# \e[2A => move cursor 2 lines up
# \e[1G => go to position 1 in terminal
# \e8 => restore cursor position
# \e[K => clears everything after the cursor on the current line
# \e[2K => clear everything on the current line
# turns seconds into human readable time
# 165392 => 1d 21h 56m 32s
# https://github.com/sindresorhus/pretty-time-zsh
prompt_pure_human_time_to_var() {
local human=" " total_seconds=$1 var=$2
local days=$(( total_seconds / 60 / 60 / 24 ))
local hours=$(( total_seconds / 60 / 60 % 24 ))
local minutes=$(( total_seconds / 60 % 60 ))
local seconds=$(( total_seconds % 60 ))
(( days > 0 )) && human+="${days}d "
(( hours > 0 )) && human+="${hours}h "
(( minutes > 0 )) && human+="${minutes}m "
human+="${seconds}s"
# store human readable time in variable as specified by caller
typeset -g "${var}"="${human}"
}
# stores (into prompt_pure_cmd_exec_time) the exec time of the last command if set threshold was exceeded
prompt_pure_check_cmd_exec_time() {
integer elapsed
(( elapsed = EPOCHSECONDS - ${prompt_pure_cmd_timestamp:-$EPOCHSECONDS} ))
prompt_pure_cmd_exec_time=
(( elapsed > ${PURE_CMD_MAX_EXEC_TIME:=5} )) && {
prompt_pure_human_time_to_var $elapsed "prompt_pure_cmd_exec_time"
}
}
prompt_pure_clear_screen() {
# enable output to terminal
zle -I
# clear screen and move cursor to (0, 0)
print -n '\e[2J\e[0;0H'
# print preprompt
prompt_pure_preprompt_render precmd
}
prompt_pure_check_git_arrows() {
# reset git arrows
prompt_pure_git_arrows=
# check if there is an upstream configured for this branch
command git rev-parse --abbrev-ref @'{u}' &>/dev/null || return
local arrow_status
# check git left and right arrow_status
arrow_status="$(command git rev-list --left-right --count HEAD...@'{u}' 2>/dev/null)"
# exit if the command failed
(( !$? )) || return
# left and right are tab-separated, split on tab and store as array
arrow_status=(${(ps:\t:)arrow_status})
local arrows left=${arrow_status[1]} right=${arrow_status[2]}
(( ${right:-0} > 0 )) && arrows+="${PURE_GIT_DOWN_ARROW:-⇣}"
(( ${left:-0} > 0 )) && arrows+="${PURE_GIT_UP_ARROW:-⇡}"
[[ -n $arrows ]] && prompt_pure_git_arrows=" ${arrows}"
}
prompt_pure_set_title() {
# emacs terminal does not support settings the title
(( ${+EMACS} )) && return
# tell the terminal we are setting the title
print -n '\e]0;'
# show hostname if connected through ssh
[[ -n $SSH_CONNECTION ]] && print -Pn '(%m) '
case $1 in
expand-prompt)
print -Pn $2;;
ignore-escape)
print -rn $2;;
esac
# end set title
print -n '\a'
}
prompt_pure_preexec() {
# attempt to detect and prevent prompt_pure_async_git_fetch from interfering with user initiated git or hub fetch
[[ $2 =~ (git|hub)\ .*(pull|fetch) ]] && async_flush_jobs 'prompt_pure'
prompt_pure_cmd_timestamp=$EPOCHSECONDS
# shows the current dir and executed command in the title while a process is active
prompt_pure_set_title 'ignore-escape' "$PWD:t: $2"
}
# string length ignoring ansi escapes
prompt_pure_string_length_to_var() {
local str=$1 var=$2 length
# perform expansion on str and check length
length=$(( ${#${(S%%)str//(\%([KF1]|)\{*\}|\%[Bbkf])}} ))
# store string length in variable as specified by caller
typeset -g "${var}"="${length}"
}
prompt_pure_preprompt_render() {
# check that no command is currently running, the preprompt will otherwise be rendered in the wrong place
[[ -n ${prompt_pure_cmd_timestamp+x} && "$1" != "precmd" ]] && return
# set color for git branch/dirty status, change color if dirty checking has been delayed
local git_color=242
[[ -n ${prompt_pure_git_last_dirty_check_timestamp+x} ]] && git_color=red
# construct preprompt, beginning with path
local preprompt="%F{blue}%~%f"
# git info
preprompt+="%F{$git_color}${vcs_info_msg_0_}${prompt_pure_git_dirty}%f"
# git pull/push arrows
preprompt+="%F{cyan}${prompt_pure_git_arrows}%f"
# username and machine if applicable
preprompt+=$prompt_pure_username
# execution time
preprompt+="%F{yellow}${prompt_pure_cmd_exec_time}%f"
# if executing through precmd, do not perform fancy terminal editing
if [[ "$1" == "precmd" ]]; then
print -P "\n${preprompt}"
else
# only redraw if preprompt has changed
[[ "${prompt_pure_last_preprompt}" != "${preprompt}" ]] || return
# calculate length of preprompt and store it locally in preprompt_length
integer preprompt_length lines
prompt_pure_string_length_to_var "${preprompt}" "preprompt_length"
# calculate number of preprompt lines for redraw purposes
(( lines = ( preprompt_length - 1 ) / COLUMNS + 1 ))
# calculate previous preprompt lines to figure out how the new preprompt should behave
integer last_preprompt_length last_lines
prompt_pure_string_length_to_var "${prompt_pure_last_preprompt}" "last_preprompt_length"
(( last_lines = ( last_preprompt_length - 1 ) / COLUMNS + 1 ))
# clr_prev_preprompt erases visual artifacts from previous preprompt
local clr_prev_preprompt
if (( last_lines > lines )); then
# move cursor up by last_lines, clear the line and move it down by one line
clr_prev_preprompt="\e[${last_lines}A\e[2K\e[1B"
while (( last_lines - lines > 1 )); do
# clear the line and move cursor down by one
clr_prev_preprompt+='\e[2K\e[1B'
(( last_lines-- ))
done
# move cursor into correct position for preprompt update
clr_prev_preprompt+="\e[${lines}B"
# create more space for preprompt if new preprompt has more lines than last
elif (( last_lines < lines )); then
# move cursor using newlines because ansi cursor movement can't push the cursor beyond the last line
printf $'\n'%.0s {1..$(( lines - last_lines ))}
fi
# disable clearing of line if last char of preprompt is last column of terminal
local clr='\e[K'
(( COLUMNS * lines == preprompt_length )) && clr=
# modify previous preprompt
print -Pn "${clr_prev_preprompt}\e[${lines}A\e[${COLUMNS}D${preprompt}${clr}\n"
# redraw prompt (also resets cursor position)
zle && zle .reset-prompt
fi
# store previous preprompt for comparison
prompt_pure_last_preprompt=$preprompt
}
prompt_pure_precmd() {
# check exec time and store it in a variable
prompt_pure_check_cmd_exec_time
# by making sure that prompt_pure_cmd_timestamp is defined here the async functions are prevented from interfering
# with the initial preprompt rendering
prompt_pure_cmd_timestamp=
# check for git arrows
prompt_pure_check_git_arrows
# shows the full path in the title
prompt_pure_set_title 'expand-prompt' '%~'
# get vcs info
vcs_info
# preform async git dirty check and fetch
prompt_pure_async_tasks
# print the preprompt
prompt_pure_preprompt_render "precmd"
# remove the prompt_pure_cmd_timestamp, indicating that precmd has completed
unset prompt_pure_cmd_timestamp
}
# fastest possible way to check if repo is dirty
prompt_pure_async_git_dirty() {
local untracked_dirty=$1; shift
# use cd -q to avoid side effects of changing directory, e.g. chpwd hooks
builtin cd -q "$*"
if [[ "$untracked_dirty" == "0" ]]; then
command git diff --no-ext-diff --quiet --exit-code
else
test -z "$(command git status --porcelain --ignore-submodules -unormal)"
fi
(( $? )) && echo "*"
}
prompt_pure_async_git_fetch() {
# use cd -q to avoid side effects of changing directory, e.g. chpwd hooks
builtin cd -q "$*"
# set GIT_TERMINAL_PROMPT=0 to disable auth prompting for git fetch (git 2.3+)
GIT_TERMINAL_PROMPT=0 command git -c gc.auto=0 fetch
}
prompt_pure_async_tasks() {
# initialize async worker
((!${prompt_pure_async_init:-0})) && {
async_start_worker "prompt_pure" -u -n
async_register_callback "prompt_pure" prompt_pure_async_callback
prompt_pure_async_init=1
}
# store working_tree without the "x" prefix
local working_tree="${vcs_info_msg_1_#x}"
# check if the working tree changed (prompt_pure_current_working_tree is prefixed by "x")
if [[ ${prompt_pure_current_working_tree#x} != $working_tree ]]; then
# stop any running async jobs
async_flush_jobs "prompt_pure"
# reset git preprompt variables, switching working tree
unset prompt_pure_git_dirty
unset prompt_pure_git_last_dirty_check_timestamp
# set the new working tree and prefix with "x" to prevent the creation of a named path by AUTO_NAME_DIRS
prompt_pure_current_working_tree="x${working_tree}"
fi
# only perform tasks inside git working tree
[[ -n $working_tree ]] || return
# do not preform git fetch if it is disabled or working_tree == HOME
if (( ${PURE_GIT_PULL:-1} )) && [[ $working_tree != $HOME ]]; then
# tell worker to do a git fetch
async_job "prompt_pure" prompt_pure_async_git_fetch "${working_tree}"
fi
# if dirty checking is sufficiently fast, tell worker to check it again, or wait for timeout
integer time_since_last_dirty_check=$(( EPOCHSECONDS - ${prompt_pure_git_last_dirty_check_timestamp:-0} ))
if (( time_since_last_dirty_check > ${PURE_GIT_DELAY_DIRTY_CHECK:-1800} )); then
unset prompt_pure_git_last_dirty_check_timestamp
# check check if there is anything to pull
async_job "prompt_pure" prompt_pure_async_git_dirty "${PURE_GIT_UNTRACKED_DIRTY:-1}" "${working_tree}"
fi
}
prompt_pure_async_callback() {
local job=$1
local output=$3
local exec_time=$4
case "${job}" in
prompt_pure_async_git_dirty)
prompt_pure_git_dirty=$output
prompt_pure_preprompt_render
# When prompt_pure_git_last_dirty_check_timestamp is set, the git info is displayed in a different color.
# To distinguish between a "fresh" and a "cached" result, the preprompt is rendered before setting this
# variable. Thus, only upon next rendering of the preprompt will the result appear in a different color.
(( $exec_time > 2 )) && prompt_pure_git_last_dirty_check_timestamp=$EPOCHSECONDS
;;
prompt_pure_async_git_fetch)
prompt_pure_check_git_arrows
prompt_pure_preprompt_render
;;
esac
}
prompt_pure_setup() {
# prevent percentage showing up
# if output doesn't end with a newline
export PROMPT_EOL_MARK=''
prompt_opts=(subst percent)
zmodload zsh/datetime
zmodload zsh/zle
autoload -Uz add-zsh-hook
autoload -Uz vcs_info
autoload -Uz async && async
add-zsh-hook precmd prompt_pure_precmd
add-zsh-hook preexec prompt_pure_preexec
zstyle ':vcs_info:*' enable git
zstyle ':vcs_info:*' use-simple true
# only export two msg variables from vcs_info
zstyle ':vcs_info:*' max-exports 2
# vcs_info_msg_0_ = ' %b' (for branch)
# vcs_info_msg_1_ = 'x%R' git top level (%R), x-prefix prevents creation of a named path (AUTO_NAME_DIRS)
zstyle ':vcs_info:git*' formats ' %b' 'x%R'
zstyle ':vcs_info:git*' actionformats ' %b|%a' 'x%R'
# if the user has not registered a custom zle widget for clear-screen,
# override the builtin one so that the preprompt is displayed correctly when
# ^L is issued.
if [[ $widgets[clear-screen] == 'builtin' ]]; then
zle -N clear-screen prompt_pure_clear_screen
fi
# show username@host if logged in through SSH
[[ "$SSH_CONNECTION" != '' ]] && prompt_pure_username=' %F{242}%n@%m%f'
# show username@host if root, with username in white
[[ $UID -eq 0 ]] && prompt_pure_username=' %F{white}%n%f%F{242}@%m%f'
# prompt turns red if the previous command didn't exit with 0
PROMPT="%(?.%F{magenta}.%F{red})${PURE_PROMPT_SYMBOL:-}%f "
}
prompt_pure_setup "$@"
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