Add $EDITOR in aliasrc, zsh-dracula theme
This commit is contained in:
parent
a367e40cf3
commit
ac47f9a710
4 changed files with 757 additions and 4 deletions
|
|
@ -1,10 +1,11 @@
|
|||
#!/bin/bash
|
||||
|
||||
alias .evim='vim $HOME/.config/vim/vimrc'
|
||||
alias .ebspwm='vim $HOME/.config/bspwm/bspwmrc'
|
||||
alias .evim='$EDITOR $HOME/.config/vim/vimrc'
|
||||
alias .ebspwm='$EDITOR $HOME/.config/bspwm/bspwmrc'
|
||||
alias .eqb='$EDITOR $HOME/.config/qutebrowser/config.py'
|
||||
alias .f='git --git-dir=$HOME/.dotfiles/ --work-tree=$HOME'
|
||||
|
||||
alias aliases='vim ~/.config/aliasrc && source ~/.config/aliasrc'
|
||||
alias aliases='$EDITOR ~/.config/aliasrc && source ~/.config/aliasrc'
|
||||
|
||||
alias bfg='java -jar ~/tools/bfg-1.13.0.jar'
|
||||
|
||||
|
|
|
|||
|
|
@ -11,7 +11,9 @@ fi
|
|||
# load a random theme each time oh-my-zsh is loaded, in which case,
|
||||
# to know which specific one was loaded, run: echo $RANDOM_THEME
|
||||
# See https://github.com/ohmyzsh/ohmyzsh/wiki/Themes
|
||||
ZSH_THEME="tjkirch"
|
||||
ZSH_THEME="dracula"
|
||||
DRACULA_DISPLAY_TIME=1
|
||||
DRACULA_DISPLAY_CONTEXT=1
|
||||
|
||||
# Set list of themes to pick from when loading at random
|
||||
# Setting this variable when ZSH_THEME=random will cause zsh to load
|
||||
|
|
|
|||
176
.config/zsh/custom/themes/dracula.zsh-theme
Normal file
176
.config/zsh/custom/themes/dracula.zsh-theme
Normal file
|
|
@ -0,0 +1,176 @@
|
|||
# -*- mode: sh; -*-
|
||||
# Dracula Theme v1.2.5
|
||||
#
|
||||
# https://github.com/dracula/dracula-theme
|
||||
#
|
||||
# Copyright 2019, All rights reserved
|
||||
#
|
||||
# Code licensed under the MIT license
|
||||
# http://zenorocha.mit-license.org
|
||||
#
|
||||
# @author Zeno Rocha <hi@zenorocha.com>
|
||||
# @maintainer Aidan Williams <aidanwillie0317@protonmail.com>
|
||||
|
||||
# Initialization {{{
|
||||
source ${0:A:h}/lib/async.zsh
|
||||
autoload -Uz add-zsh-hook
|
||||
setopt PROMPT_SUBST
|
||||
async_init
|
||||
# }}}
|
||||
|
||||
# Options {{{
|
||||
# Set to 1 to show the date
|
||||
DRACULA_DISPLAY_TIME=${DRACULA_DISPLAY_TIME:-0}
|
||||
|
||||
# Set to 1 to show the 'context' segment
|
||||
DRACULA_DISPLAY_CONTEXT=${DRACULA_DISPLAY_CONTEXT:-0}
|
||||
|
||||
# Changes the arrow icon
|
||||
DRACULA_ARROW_ICON=${DRACULA_ARROW_ICON:-➜}
|
||||
|
||||
# function to detect if git has support for --no-optional-locks
|
||||
dracula_test_git_optional_lock() {
|
||||
local git_version=${DEBUG_OVERRIDE_V:-"$(git version | cut -d' ' -f3)"}
|
||||
local git_version="$(git version | cut -d' ' -f3)"
|
||||
# test for git versions < 2.14.0
|
||||
case "$git_version" in
|
||||
[0-1].*)
|
||||
echo 0
|
||||
return 1
|
||||
;;
|
||||
2.[0-9].*)
|
||||
echo 0
|
||||
return 1
|
||||
;;
|
||||
2.1[0-3].*)
|
||||
echo 0
|
||||
return 1
|
||||
;;
|
||||
esac
|
||||
|
||||
# if version > 2.14.0 return true
|
||||
echo 1
|
||||
}
|
||||
|
||||
# use --no-optional-locks flag on git
|
||||
DRACULA_GIT_NOLOCK=${DRACULA_GIT_NOLOCK:-$(dracula_test_git_optional_lock)}
|
||||
# }}}
|
||||
|
||||
# Status segment {{{
|
||||
# arrow is green if last command was successful, red if not,
|
||||
# turns yellow in vi command mode
|
||||
PROMPT='%(1V:%F{yellow}:%(?:%F{green}:%F{red}))${DRACULA_ARROW_ICON}'
|
||||
# }}}
|
||||
|
||||
# Time segment {{{
|
||||
dracula_time_segment() {
|
||||
if (( DRACULA_DISPLAY_TIME )); then
|
||||
if [[ -z "$TIME_FORMAT" ]]; then
|
||||
TIME_FORMAT=" %-H:%M"
|
||||
|
||||
# check if locale uses AM and PM
|
||||
if ! locale -ck LC_TIME | grep 'am_pm=";"' > /dev/null; then
|
||||
TIME_FORMAT=" %-I:%M%p"
|
||||
fi
|
||||
fi
|
||||
|
||||
print -P "%D{$TIME_FORMAT}"
|
||||
fi
|
||||
}
|
||||
|
||||
PROMPT+='%F{green}%B$(dracula_time_segment) '
|
||||
# }}}
|
||||
|
||||
# User context segment {{{
|
||||
dracula_context() {
|
||||
if (( DRACULA_DISPLAY_CONTEXT )); then
|
||||
if [[ -n "${SSH_CONNECTION-}${SSH_CLIENT-}${SSH_TTY-}" ]] || (( EUID == 0 )); then
|
||||
echo '%n@%m '
|
||||
else
|
||||
echo '%n '
|
||||
fi
|
||||
fi
|
||||
}
|
||||
|
||||
PROMPT+='%F{magenta}%B$(dracula_context)'
|
||||
# }}}
|
||||
|
||||
# Directory segment {{{
|
||||
PROMPT+='%F{blue}%B%c '
|
||||
# }}}
|
||||
|
||||
# Async git segment {{{
|
||||
|
||||
dracula_git_status() {
|
||||
cd "$1"
|
||||
|
||||
local ref branch lockflag
|
||||
|
||||
(( DRACULA_GIT_NOLOCK )) && lockflag="--no-optional-locks"
|
||||
|
||||
ref=$(=git $lockflag symbolic-ref --quiet HEAD 2>/tmp/git-errors)
|
||||
|
||||
case $? in
|
||||
0) ;;
|
||||
128) return ;;
|
||||
*) ref=$(=git $lockflag rev-parse --short HEAD 2>/tmp/git-errors) || return ;;
|
||||
esac
|
||||
|
||||
branch=${ref#refs/heads/}
|
||||
|
||||
if [[ -n $branch ]]; then
|
||||
echo -n "${ZSH_THEME_GIT_PROMPT_PREFIX}${branch}"
|
||||
|
||||
local git_status icon
|
||||
git_status="$(LC_ALL=C =git $lockflag status 2>&1)"
|
||||
|
||||
if [[ "$git_status" =~ 'new file:|deleted:|modified:|renamed:|Untracked files:' ]]; then
|
||||
echo -n "$ZSH_THEME_GIT_PROMPT_DIRTY"
|
||||
else
|
||||
echo -n "$ZSH_THEME_GIT_PROMPT_CLEAN"
|
||||
fi
|
||||
|
||||
echo -n "$ZSH_THEME_GIT_PROMPT_SUFFIX"
|
||||
fi
|
||||
}
|
||||
|
||||
dracula_git_callback() {
|
||||
DRACULA_GIT_STATUS="$3"
|
||||
zle && zle reset-prompt
|
||||
async_stop_worker dracula_git_worker dracula_git_status "$(pwd)"
|
||||
}
|
||||
|
||||
dracula_git_async() {
|
||||
async_start_worker dracula_git_worker -n
|
||||
async_register_callback dracula_git_worker dracula_git_callback
|
||||
async_job dracula_git_worker dracula_git_status "$(pwd)"
|
||||
}
|
||||
|
||||
add-zsh-hook precmd dracula_git_async
|
||||
|
||||
PROMPT+='$DRACULA_GIT_STATUS'
|
||||
|
||||
ZSH_THEME_GIT_PROMPT_CLEAN=") %F{green}%B✔ "
|
||||
ZSH_THEME_GIT_PROMPT_DIRTY=") %F{yellow}%B✗ "
|
||||
ZSH_THEME_GIT_PROMPT_PREFIX="%F{cyan}%B("
|
||||
ZSH_THEME_GIT_PROMPT_SUFFIX="%f%b"
|
||||
# }}}
|
||||
|
||||
# ensure vi mode is handled by prompt
|
||||
function zle-keymap-select zle-line-init {
|
||||
if [[ $KEYMAP = vicmd ]]; then
|
||||
psvar[1]=vicmd
|
||||
else
|
||||
psvar[1]=''
|
||||
fi
|
||||
|
||||
zle reset-prompt
|
||||
zle -R
|
||||
}
|
||||
|
||||
zle -N zle-line-init
|
||||
zle -N zle-keymap-select
|
||||
|
||||
# Ensure effects are reset
|
||||
PROMPT+='%f%b'
|
||||
|
||||
574
.config/zsh/custom/themes/lib/async.zsh
Normal file
574
.config/zsh/custom/themes/lib/async.zsh
Normal file
|
|
@ -0,0 +1,574 @@
|
|||
#!/usr/bin/env zsh
|
||||
|
||||
#
|
||||
# zsh-async
|
||||
#
|
||||
# version: 1.7.2
|
||||
# author: Mathias Fredriksson
|
||||
# url: https://github.com/mafredri/zsh-async
|
||||
#
|
||||
|
||||
typeset -g ASYNC_VERSION=1.7.2
|
||||
# Produce debug output from zsh-async when set to 1.
|
||||
typeset -g ASYNC_DEBUG=${ASYNC_DEBUG:-0}
|
||||
|
||||
# Execute commands that can manipulate the environment inside the async worker. Return output via callback.
|
||||
_async_eval() {
|
||||
local ASYNC_JOB_NAME
|
||||
# Rename job to _async_eval and redirect all eval output to cat running
|
||||
# in _async_job. Here, stdout and stderr are not separated for
|
||||
# simplicity, this could be improved in the future.
|
||||
{
|
||||
eval "$@"
|
||||
} &> >(ASYNC_JOB_NAME=[async/eval] _async_job 'cat')
|
||||
}
|
||||
|
||||
# Wrapper for jobs executed by the async worker, gives output in parseable format with execution time
|
||||
_async_job() {
|
||||
# Disable xtrace as it would mangle the output.
|
||||
setopt localoptions noxtrace
|
||||
|
||||
# Store start time for job.
|
||||
float -F duration=$EPOCHREALTIME
|
||||
|
||||
# Run the command and capture both stdout (`eval`) and stderr (`cat`) in
|
||||
# separate subshells. When the command is complete, we grab write lock
|
||||
# (mutex token) and output everything except stderr inside the command
|
||||
# block, after the command block has completed, the stdin for `cat` is
|
||||
# closed, causing stderr to be appended with a $'\0' at the end to mark the
|
||||
# end of output from this job.
|
||||
local jobname=${ASYNC_JOB_NAME:-$1}
|
||||
local stdout stderr ret tok
|
||||
{
|
||||
stdout=$(eval "$@")
|
||||
ret=$?
|
||||
duration=$(( EPOCHREALTIME - duration )) # Calculate duration.
|
||||
|
||||
# Grab mutex lock, stalls until token is available.
|
||||
read -r -k 1 -p tok || exit 1
|
||||
|
||||
# Return output (<job_name> <return_code> <stdout> <duration> <stderr>).
|
||||
print -r -n - $'\0'${(q)jobname} $ret ${(q)stdout} $duration
|
||||
} 2> >(stderr=$(cat) && print -r -n - " "${(q)stderr}$'\0')
|
||||
|
||||
# Unlock mutex by inserting a token.
|
||||
print -n -p $tok
|
||||
}
|
||||
|
||||
# The background worker manages all tasks and runs them without interfering with other processes
|
||||
_async_worker() {
|
||||
# Reset all options to defaults inside async worker.
|
||||
emulate -R zsh
|
||||
|
||||
# Make sure monitor is unset to avoid printing the
|
||||
# pids of child processes.
|
||||
unsetopt monitor
|
||||
|
||||
# Redirect stderr to `/dev/null` in case unforseen errors produced by the
|
||||
# worker. For example: `fork failed: resource temporarily unavailable`.
|
||||
# Some older versions of zsh might also print malloc errors (know to happen
|
||||
# on at least zsh 5.0.2 and 5.0.8) likely due to kill signals.
|
||||
exec 2>/dev/null
|
||||
|
||||
# When a zpty is deleted (using -d) all the zpty instances created before
|
||||
# the one being deleted receive a SIGHUP, unless we catch it, the async
|
||||
# worker would simply exit (stop working) even though visible in the list
|
||||
# of zpty's (zpty -L).
|
||||
TRAPHUP() {
|
||||
return 0 # Return 0, indicating signal was handled.
|
||||
}
|
||||
|
||||
local -A storage
|
||||
local unique=0
|
||||
local notify_parent=0
|
||||
local parent_pid=0
|
||||
local coproc_pid=0
|
||||
local processing=0
|
||||
|
||||
local -a zsh_hooks zsh_hook_functions
|
||||
zsh_hooks=(chpwd periodic precmd preexec zshexit zshaddhistory)
|
||||
zsh_hook_functions=(${^zsh_hooks}_functions)
|
||||
unfunction $zsh_hooks &>/dev/null # Deactivate all zsh hooks inside the worker.
|
||||
unset $zsh_hook_functions # And hooks with registered functions.
|
||||
unset zsh_hooks zsh_hook_functions # Cleanup.
|
||||
|
||||
close_idle_coproc() {
|
||||
local -a pids
|
||||
pids=(${${(v)jobstates##*:*:}%\=*})
|
||||
|
||||
# If coproc (cat) is the only child running, we close it to avoid
|
||||
# leaving it running indefinitely and cluttering the process tree.
|
||||
if (( ! processing )) && [[ $#pids = 1 ]] && [[ $coproc_pid = $pids[1] ]]; then
|
||||
coproc :
|
||||
coproc_pid=0
|
||||
fi
|
||||
}
|
||||
|
||||
child_exit() {
|
||||
close_idle_coproc
|
||||
|
||||
# On older version of zsh (pre 5.2) we notify the parent through a
|
||||
# SIGWINCH signal because `zpty` did not return a file descriptor (fd)
|
||||
# prior to that.
|
||||
if (( notify_parent )); then
|
||||
# We use SIGWINCH for compatibility with older versions of zsh
|
||||
# (pre 5.1.1) where other signals (INFO, ALRM, USR1, etc.) could
|
||||
# cause a deadlock in the shell under certain circumstances.
|
||||
kill -WINCH $parent_pid
|
||||
fi
|
||||
}
|
||||
|
||||
# Register a SIGCHLD trap to handle the completion of child processes.
|
||||
trap child_exit CHLD
|
||||
|
||||
# Process option parameters passed to worker
|
||||
while getopts "np:u" opt; do
|
||||
case $opt in
|
||||
n) notify_parent=1;;
|
||||
p) parent_pid=$OPTARG;;
|
||||
u) unique=1;;
|
||||
esac
|
||||
done
|
||||
|
||||
killjobs() {
|
||||
local tok
|
||||
local -a pids
|
||||
pids=(${${(v)jobstates##*:*:}%\=*})
|
||||
|
||||
# No need to send SIGHUP if no jobs are running.
|
||||
(( $#pids == 0 )) && continue
|
||||
(( $#pids == 1 )) && [[ $coproc_pid = $pids[1] ]] && continue
|
||||
|
||||
# Grab lock to prevent half-written output in case a child
|
||||
# process is in the middle of writing to stdin during kill.
|
||||
(( coproc_pid )) && read -r -k 1 -p tok
|
||||
|
||||
kill -HUP -$$ # Send to entire process group.
|
||||
coproc : # Quit coproc.
|
||||
coproc_pid=0 # Reset pid.
|
||||
}
|
||||
|
||||
local request do_eval=0
|
||||
local -a cmd
|
||||
while :; do
|
||||
# Wait for jobs sent by async_job.
|
||||
read -r -d $'\0' request || {
|
||||
# Since we handle SIGHUP above (and thus do not know when `zpty -d`)
|
||||
# occurs, a failure to read probably indicates that stdin has
|
||||
# closed. This is why we propagate the signal to all children and
|
||||
# exit manually.
|
||||
kill -HUP -$$ # Send SIGHUP to all jobs.
|
||||
exit 0
|
||||
}
|
||||
|
||||
# Check for non-job commands sent to worker
|
||||
case $request in
|
||||
_unset_trap) notify_parent=0; continue;;
|
||||
_killjobs) killjobs; continue;;
|
||||
_async_eval*) do_eval=1;;
|
||||
esac
|
||||
|
||||
# Parse the request using shell parsing (z) to allow commands
|
||||
# to be parsed from single strings and multi-args alike.
|
||||
cmd=("${(z)request}")
|
||||
|
||||
# Name of the job (first argument).
|
||||
local job=$cmd[1]
|
||||
|
||||
# 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]} == $pid ]]; then
|
||||
continue 2
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
# Guard against closing coproc from trap before command has started.
|
||||
processing=1
|
||||
|
||||
# Because we close the coproc after the last job has completed, we must
|
||||
# recreate it when there are no other jobs running.
|
||||
if (( ! coproc_pid )); then
|
||||
# Use coproc as a mutex for synchronized output between children.
|
||||
coproc cat
|
||||
coproc_pid="$!"
|
||||
# Insert token into coproc
|
||||
print -n -p "t"
|
||||
fi
|
||||
|
||||
if (( do_eval )); then
|
||||
shift cmd # Strip _async_eval from cmd.
|
||||
_async_eval $cmd
|
||||
else
|
||||
# Run job in background, completed jobs are printed to stdout.
|
||||
_async_job $cmd &
|
||||
# Store pid because zsh job manager is extremely unflexible (show jobname as non-unique '$job')...
|
||||
storage[$job]="$!"
|
||||
fi
|
||||
|
||||
processing=0 # Disable guard.
|
||||
|
||||
if (( do_eval )); then
|
||||
do_eval=0
|
||||
|
||||
# When there are no active jobs we can't rely on the CHLD trap to
|
||||
# manage the coproc lifetime.
|
||||
close_idle_coproc
|
||||
fi
|
||||
done
|
||||
}
|
||||
|
||||
#
|
||||
# Get results from finished 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.
|
||||
#
|
||||
# If the async process buffer becomes corrupt, the callback will be invoked with the first argument being `[async]` (job
|
||||
# name), non-zero return code and fifth argument describing the error (stderr).
|
||||
#
|
||||
# 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
|
||||
# $6 = has next result in buffer (0 = buffer empty, 1 = yes)
|
||||
#
|
||||
async_process_results() {
|
||||
setopt localoptions unset noshwordsplit noksharrays noposixidentifiers noposixstrings
|
||||
|
||||
local worker=$1
|
||||
local callback=$2
|
||||
local caller=$3
|
||||
local -a items
|
||||
local null=$'\0' data
|
||||
integer -l len pos num_processed has_next
|
||||
|
||||
typeset -gA ASYNC_PROCESS_BUFFER
|
||||
|
||||
# Read output from zpty and parse it if available.
|
||||
while zpty -r -t $worker data 2>/dev/null; do
|
||||
ASYNC_PROCESS_BUFFER[$worker]+=$data
|
||||
len=${#ASYNC_PROCESS_BUFFER[$worker]}
|
||||
pos=${ASYNC_PROCESS_BUFFER[$worker][(i)$null]} # Get index of NULL-character (delimiter).
|
||||
|
||||
# Keep going until we find a NULL-character.
|
||||
if (( ! len )) || (( pos > len )); then
|
||||
continue
|
||||
fi
|
||||
|
||||
while (( pos <= len )); do
|
||||
# Take the content from the beginning, until the NULL-character and
|
||||
# perform shell parsing (z) and unquoting (Q) as an array (@).
|
||||
items=("${(@Q)${(z)ASYNC_PROCESS_BUFFER[$worker][1,$pos-1]}}")
|
||||
|
||||
# Remove the extracted items from the buffer.
|
||||
ASYNC_PROCESS_BUFFER[$worker]=${ASYNC_PROCESS_BUFFER[$worker][$pos+1,$len]}
|
||||
|
||||
len=${#ASYNC_PROCESS_BUFFER[$worker]}
|
||||
if (( len > 1 )); then
|
||||
pos=${ASYNC_PROCESS_BUFFER[$worker][(i)$null]} # Get index of NULL-character (delimiter).
|
||||
fi
|
||||
|
||||
has_next=$(( len != 0 ))
|
||||
if (( $#items == 5 )); then
|
||||
items+=($has_next)
|
||||
$callback "${(@)items}" # Send all parsed items to the callback.
|
||||
(( num_processed++ ))
|
||||
elif [[ -z $items ]]; then
|
||||
# Empty items occur between results due to double-null ($'\0\0')
|
||||
# caused by commands being both pre and suffixed with null.
|
||||
else
|
||||
# In case of corrupt data, invoke callback with *async* as job
|
||||
# name, non-zero exit status and an error message on stderr.
|
||||
$callback "[async]" 1 "" 0 "$0:$LINENO: error: bad format, got ${#items} items (${(q)items})" $has_next
|
||||
fi
|
||||
done
|
||||
done
|
||||
|
||||
(( num_processed )) && return 0
|
||||
|
||||
# Avoid printing exit value when `setopt printexitvalue` is active.`
|
||||
[[ $caller = trap || $caller = watcher ]] && return 0
|
||||
|
||||
# No results were processed
|
||||
return 1
|
||||
}
|
||||
|
||||
# Watch worker for output
|
||||
_async_zle_watcher() {
|
||||
setopt localoptions noshwordsplit
|
||||
typeset -gA ASYNC_PTYS ASYNC_CALLBACKS
|
||||
local worker=$ASYNC_PTYS[$1]
|
||||
local callback=$ASYNC_CALLBACKS[$worker]
|
||||
|
||||
if [[ -n $2 ]]; then
|
||||
# from man zshzle(1):
|
||||
# `hup' for a disconnect, `nval' for a closed or otherwise
|
||||
# invalid descriptor, or `err' for any other condition.
|
||||
# Systems that support only the `select' system call always use
|
||||
# `err'.
|
||||
|
||||
# this has the side effect to unregister the broken file descriptor
|
||||
async_stop_worker $worker
|
||||
|
||||
if [[ -n $callback ]]; then
|
||||
$callback '[async]' 2 "" 0 "$worker:zle -F $1 returned error $2" 0
|
||||
fi
|
||||
return
|
||||
fi;
|
||||
|
||||
if [[ -n $callback ]]; then
|
||||
async_process_results $worker $callback watcher
|
||||
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 noksharrays noposixidentifiers noposixstrings
|
||||
|
||||
local worker=$1; shift
|
||||
|
||||
local -a cmd
|
||||
cmd=("$@")
|
||||
if (( $#cmd > 1 )); then
|
||||
cmd=(${(q)cmd}) # Quote special characters in multi argument commands.
|
||||
fi
|
||||
|
||||
# Quote the cmd in case RC_EXPAND_PARAM is set.
|
||||
zpty -w $worker "$cmd"$'\0'
|
||||
}
|
||||
|
||||
#
|
||||
# Evaluate a command (like async_job) inside the async worker, then worker environment can be manipulated. For example,
|
||||
# issuing a cd command will change the PWD of the worker which will then be inherited by all future async jobs.
|
||||
#
|
||||
# Output will be returned via callback, job name will be [async/eval].
|
||||
#
|
||||
# usage:
|
||||
# async_worker_eval <worker_name> <my_function> [<function_params>]
|
||||
#
|
||||
async_worker_eval() {
|
||||
setopt localoptions noshwordsplit noksharrays noposixidentifiers noposixstrings
|
||||
|
||||
local worker=$1; shift
|
||||
|
||||
local -a cmd
|
||||
cmd=("$@")
|
||||
if (( $#cmd > 1 )); then
|
||||
cmd=(${(q)cmd}) # Quote special characters in multi argument commands.
|
||||
fi
|
||||
|
||||
# Quote the cmd in case RC_EXPAND_PARAM is set.
|
||||
zpty -w $worker "_async_eval $cmd"$'\0'
|
||||
}
|
||||
|
||||
# This function traps notification signals and calls all registered callbacks
|
||||
_async_notify_trap() {
|
||||
setopt localoptions noshwordsplit
|
||||
|
||||
local k
|
||||
for k in ${(k)ASYNC_CALLBACKS}; do
|
||||
async_process_results $k ${ASYNC_CALLBACKS[$k]} trap
|
||||
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]="$*"
|
||||
|
||||
# Enable trap when the ZLE watcher is unavailable, allows
|
||||
# workers to notify (via -n) when a job is done.
|
||||
if [[ ! -o interactive ]] || [[ ! -o zle ]]; 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
|
||||
async_job $worker "_killjobs"
|
||||
|
||||
# Clear the zpty buffer.
|
||||
local junk
|
||||
if zpty -r -t $worker junk '*'; then
|
||||
(( ASYNC_DEBUG )) && print -n "async_flush_jobs $worker: ${(V)junk}"
|
||||
while zpty -r -t $worker junk '*'; do
|
||||
(( ASYNC_DEBUG )) && print -n "${(V)junk}"
|
||||
done
|
||||
(( ASYNC_DEBUG )) && print
|
||||
fi
|
||||
|
||||
# Finally, clear the process buffer in case of partially parsed responses.
|
||||
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
|
||||
typeset has_xtrace=0
|
||||
|
||||
# Make sure async worker is started without xtrace
|
||||
# (the trace output interferes with the worker).
|
||||
[[ -o xtrace ]] && {
|
||||
has_xtrace=1
|
||||
unsetopt xtrace
|
||||
}
|
||||
|
||||
if (( ! ASYNC_ZPTY_RETURNS_FD )) && [[ -o interactive ]] && [[ -o zle ]]; then
|
||||
# When zpty doesn't return a file descriptor (on older versions of zsh)
|
||||
# we try to guess it anyway.
|
||||
integer -l zptyfd
|
||||
exec {zptyfd}>&1 # Open a new file descriptor (above 10).
|
||||
exec {zptyfd}>&- # Close it so it's free to be used by zpty.
|
||||
fi
|
||||
|
||||
zpty -b $worker _async_worker -p $$ $@ || {
|
||||
async_stop_worker $worker
|
||||
return 1
|
||||
}
|
||||
|
||||
# Re-enable it if it was enabled, for debugging.
|
||||
(( has_xtrace )) && setopt xtrace
|
||||
|
||||
if [[ $ZSH_VERSION < 5.0.8 ]]; then
|
||||
# For ZSH versions older than 5.0.8 we delay a bit to give
|
||||
# time for the worker to start before issuing commands,
|
||||
# otherwise it will not be ready to receive them.
|
||||
sleep 0.001
|
||||
fi
|
||||
|
||||
if [[ -o interactive ]] && [[ -o zle ]]; then
|
||||
if (( ! ASYNC_ZPTY_RETURNS_FD )); then
|
||||
REPLY=$zptyfd # Use the guessed value for the file desciptor.
|
||||
fi
|
||||
|
||||
ASYNC_PTYS[$REPLY]=$worker # Map the file desciptor to the worker.
|
||||
zle -F $REPLY _async_zle_watcher # Register the ZLE handler.
|
||||
|
||||
# Disable trap in favor of ZLE handler when notify is enabled (-n).
|
||||
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 worker k v
|
||||
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 $worker 2>/dev/null || ret=$?
|
||||
|
||||
# Clear any partial buffers.
|
||||
typeset -gA ASYNC_PROCESS_BUFFER
|
||||
unset "ASYNC_PROCESS_BUFFER[$worker]"
|
||||
done
|
||||
|
||||
return $ret
|
||||
}
|
||||
|
||||
#
|
||||
# Initialize the required modules for zsh-async. To be called before using the zsh-async library.
|
||||
#
|
||||
# usage:
|
||||
# async_init
|
||||
#
|
||||
async_init() {
|
||||
(( ASYNC_INIT_DONE )) && return
|
||||
typeset -g ASYNC_INIT_DONE=1
|
||||
|
||||
zmodload zsh/zpty
|
||||
zmodload zsh/datetime
|
||||
|
||||
# Check if zsh/zpty returns a file descriptor or not,
|
||||
# shell must also be interactive with zle enabled.
|
||||
typeset -g ASYNC_ZPTY_RETURNS_FD=0
|
||||
[[ -o interactive ]] && [[ -o zle ]] && {
|
||||
typeset -h REPLY
|
||||
zpty _async_test :
|
||||
(( REPLY )) && ASYNC_ZPTY_RETURNS_FD=1
|
||||
zpty -d _async_test
|
||||
}
|
||||
}
|
||||
|
||||
async() {
|
||||
async_init
|
||||
}
|
||||
|
||||
async "$@"
|
||||
Loading…
Add table
Add a link
Reference in a new issue