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pull upstream changes from gitstatus

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romkatv 2019-10-03 20:13:04 +02:00
parent 60a6ad81dd
commit 9d0c49dc58
1 changed files with 153 additions and 124 deletions
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277
gitstatus/gitstatus.plugin.zsh
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@ -147,7 +147,8 @@ function gitstatus_query() {
(( OPTIND == ARGC )) || { echo "usage: gitstatus_query [OPTION]... NAME" >&2; return 1 }
local name=${*[$OPTIND]}
[[ -n ${(P)${:-GITSTATUS_DAEMON_PID_${name}}:-} ]]
local daemon_pid_var=GITSTATUS_DAEMON_PID_${name}
(( ${(P)daemon_pid_var:-0} > 0 ))
# Verify that gitstatus_query is running in the same process that ran gitstatus_start.
local client_pid_var=_GITSTATUS_CLIENT_PID_${name}
@ -279,10 +280,12 @@ function gitstatus_start() {
local -i max_num_conflicted=1
local -i max_num_untracked=1
local -i dirty_max_index_size=-1
local -i async
local recurse_untracked_dirs
while true; do
getopts "t:s:u:c:d:m:e" opt || break
getopts "t:s:u:c:d:m:ea" opt || break
case $opt in
a) async=1;;
t) timeout=$OPTARG;;
s) max_num_staged=$OPTARG;;
u) max_num_unstaged=$OPTARG;;
@ -299,143 +302,161 @@ function gitstatus_start() {
(( OPTIND == ARGC )) || { echo "usage: gitstatus_start [OPTION]... NAME" >&2; return 1 }
local name=${*[$OPTIND]}
[[ -z ${(P)${:-GITSTATUS_DAEMON_PID_${name}}:-} ]] || return 0
local dir && dir=${${(%):-%x}:A:h}
local xtrace_file lock_file req_fifo resp_fifo log_file
local -i stderr_fd=-1 lock_fd=-1 req_fd=-1 resp_fd=-1 daemon_pid=-1
local lock_file req_fifo resp_fifo log_level
local log_file=/dev/null xtrace_file=/dev/null
local -i stderr_fd lock_fd req_fd resp_fd daemon_pid
local daemon_pid_var=GITSTATUS_DAEMON_PID_${name}
(( $+parameters[$daemon_pid_var] )) && {
(( ! async )) || return 0
daemon_pid=${(P)daemon_pid_var}
(( daemon_pid == -1 )) || return 0
local resp_fd_var=_GITSTATUS_RESP_FD_${name}
local log_file_var=GITSTATUS_DAEMON_LOG_${name}
local xtrace_file_var=GITSTATUS_XTRACE_${name}
resp_fd=${(P)resp_fd_var}
log_file=${(P)log_file_var}
xtrace_file=${(P)xtrace_file_var}
} || {
log_level=${GITSTATUS_LOG_LEVEL:-}
[[ -n $log_level || ${GITSTATUS_ENABLE_LOGGING:-0} != 1 ]] || log_level=INFO
[[ -z $log_level ]] || {
log_file=${TMPDIR:-/tmp}/gitstatus.$$.daemon-log.$EPOCHREALTIME.$RANDOM
xtrace_file=${TMPDIR:-/tmp}/gitstatus.$$.xtrace.$EPOCHREALTIME.$RANDOM
}
typeset -g GITSTATUS_DAEMON_LOG_${name}=$log_file
typeset -g GITSTATUS_XTRACE_${name}=$xtrace_file
}
function gitstatus_start_impl() {
local log_level=${GITSTATUS_LOG_LEVEL:-}
[[ -n $log_level || ${GITSTATUS_ENABLE_LOGGING:-0} != 1 ]] || log_level=INFO
[[ -z $log_level ]] || {
xtrace_file=${TMPDIR:-/tmp}/gitstatus.$$.xtrace.$EPOCHREALTIME.$RANDOM
typeset -g GITSTATUS_XTRACE_${name}=$xtrace_file
exec {stderr_fd}>&2 2>$xtrace_file
[[ $xtrace_file == /dev/null ]] || {
exec {stderr_fd}>&2 2>>$xtrace_file
setopt xtrace
}
local daemon=${GITSTATUS_DAEMON:-} os
[[ -n $daemon ]] || {
local arch
os="$(uname -s)"
[[ -n $os ]]
[[ $os != Linux || "$(uname -o)" != Android ]] || os=Android
arch="$(uname -m)"
[[ -n $arch ]]
daemon=$dir/bin/gitstatusd-${os:l}-${arch:l}
}
[[ -x $daemon ]]
lock_file=${TMPDIR:-/tmp}/gitstatus.$$.lock.$EPOCHREALTIME.$RANDOM
echo -n >$lock_file
zsystem flock -f lock_fd $lock_file
req_fifo=${TMPDIR:-/tmp}/gitstatus.$$.req.$EPOCHREALTIME.$RANDOM
resp_fifo=${TMPDIR:-/tmp}/gitstatus.$$.resp.$EPOCHREALTIME.$RANDOM
mkfifo $req_fifo $resp_fifo
[[ -n $log_level ]] &&
log_file=${TMPDIR:-/tmp}/gitstatus.$$.daemon-log.$EPOCHREALTIME.$RANDOM ||
log_file=/dev/null
typeset -g GITSTATUS_DAEMON_LOG_${name}=$log_file
local -i threads=${GITSTATUS_NUM_THREADS:-0}
(( threads > 0)) || {
threads=8
[[ -n $os ]] || { os="$(uname -s)" && [[ -n $os ]] }
case $os in
FreeBSD) (( ! $+commands[sysctl] )) || threads=$(( 2 * $(sysctl -n hw.ncpu) ));;
*) (( ! $+commands[getconf] )) || threads=$(( 2 * $(getconf _NPROCESSORS_ONLN) ));;
esac
(( threads <= 32 )) || threads=32
}
local -a daemon_args=(
--lock-fd=3
--parent-pid=${(q)$}
--num-threads=${(q)threads}
--max-num-staged=${(q)max_num_staged}
--max-num-unstaged=${(q)max_num_unstaged}
--max-num-conflicted=${(q)max_num_conflicted}
--max-num-untracked=${(q)max_num_untracked}
--dirty-max-index-size=${(q)dirty_max_index_size}
--log-level=${(q)log_level:-INFO}
$recurse_untracked_dirs)
local cmd="
echo \$\$
${(q)daemon} $daemon_args
if [[ \$? != (0|10) && \$? -le 128 && -f ${(q)daemon}-static ]]; then
${(q)daemon}-static $daemon_args
fi
echo -nE $'bye\x1f0\x1e'"
local setsid=${commands[setsid]:-/usr/local/opt/util-linux/bin/setsid}
[[ -x $setsid ]] && setsid=${(q)setsid} || setsid=
cmd="cd /; $setsid zsh -dfxc ${(q)cmd} &!"
# We use `zsh -c` instead of plain {} or () to work around bugs in zplug (it hangs on startup).
# Double fork is to daemonize, and so is `setsid`. Note that on macOS `setsid` has to
# be installed manually by running `brew install util-linux`.
zsh -dfmxc $cmd <$req_fifo >$resp_fifo 2>$log_file 3<$lock_file &!
sysopen -w -o cloexec,sync -u req_fd $req_fifo
sysopen -r -o cloexec -u resp_fd $resp_fifo
read -u $resp_fd daemon_pid
zf_rm -f $req_fifo $resp_fifo $lock_file
function _gitstatus_process_response_${name}() {
local name=${${(%):-%N}#_gitstatus_process_response_}
(( ARGC == 1 )) && {
_gitstatus_process_response $name 0 ''
true
} || {
gitstatus_stop $name
(( daemon_pid == -1 )) || {
local daemon=${GITSTATUS_DAEMON:-} os
[[ -n $daemon ]] || {
os="$(uname -s)" && [[ -n $os ]]
[[ $os != Linux || "$(uname -o)" != Android ]] || os=Android
local arch && arch="$(uname -m)" && [[ -n $arch ]]
local dir && dir=${${(%):-%x}:A:h}
daemon=$dir/bin/gitstatusd-${os:l}-${arch:l}
}
[[ -x $daemon ]]
lock_file=${TMPDIR:-/tmp}/gitstatus.$$.lock.$EPOCHREALTIME.$RANDOM
echo -n >$lock_file
zsystem flock -f lock_fd $lock_file
req_fifo=${TMPDIR:-/tmp}/gitstatus.$$.req.$EPOCHREALTIME.$RANDOM
resp_fifo=${TMPDIR:-/tmp}/gitstatus.$$.resp.$EPOCHREALTIME.$RANDOM
mkfifo $req_fifo $resp_fifo
local -i threads=${GITSTATUS_NUM_THREADS:-0}
(( threads > 0)) || {
threads=8
[[ -n $os ]] || { os="$(uname -s)" && [[ -n $os ]] }
case $os in
FreeBSD) (( ! $+commands[sysctl] )) || threads=$(( 2 * $(sysctl -n hw.ncpu) ));;
*) (( ! $+commands[getconf] )) || threads=$(( 2 * $(getconf _NPROCESSORS_ONLN) ));;
esac
(( threads <= 32 )) || threads=32
}
local -a daemon_args=(
--lock-fd=3
--parent-pid=${(q)$}
--num-threads=${(q)threads}
--max-num-staged=${(q)max_num_staged}
--max-num-unstaged=${(q)max_num_unstaged}
--max-num-conflicted=${(q)max_num_conflicted}
--max-num-untracked=${(q)max_num_untracked}
--dirty-max-index-size=${(q)dirty_max_index_size}
--log-level=${(q)log_level:-INFO}
$recurse_untracked_dirs)
local cmd="
echo \$\$
${(q)daemon} $daemon_args
if [[ \$? != (0|10) && \$? -le 128 && -f ${(q)daemon}-static ]]; then
${(q)daemon}-static $daemon_args
fi
echo -nE $'bye\x1f0\x1e'"
local setsid=${commands[setsid]:-/usr/local/opt/util-linux/bin/setsid}
[[ -x $setsid ]] && setsid=${(q)setsid} || setsid=
cmd="cd /; $setsid zsh -dfxc ${(q)cmd} &!"
# We use `zsh -c` instead of plain {} or () to work around bugs in zplug (it hangs on
# startup). Double fork is to daemonize, and so is `setsid`. Note that on macOS `setsid` has
# to be installed manually by running `brew install util-linux`.
zsh -dfmxc $cmd <$req_fifo >$resp_fifo 2>$log_file 3<$lock_file &!
sysopen -w -o cloexec,sync -u req_fd $req_fifo
sysopen -r -o cloexec -u resp_fd $resp_fifo
zf_rm -f $req_fifo $resp_fifo $lock_file
echo -nE $'hello\x1f\x1e' >&$req_fd
}
zle -F $resp_fd _gitstatus_process_response_${name}
local reply IFS=''
echo -nE $'hello\x1f\x1e' >&$req_fd
read -r -d $'\x1e' -u $resp_fd -t $timeout reply
[[ $reply == $'hello\x1f0' ]]
(( async )) && {
daemon_pid=-1
} || {
read -u $resp_fd daemon_pid
function _gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}() {
emulate -L zsh
setopt err_return no_unset
local fname=${(%):-%N}
local prefix=_gitstatus_cleanup_$$_${ZSH_SUBSHELL}_
[[ $fname == ${prefix}* ]] || return 0
local -i daemon_pid=${fname#$prefix}
kill -- -$daemon_pid &>/dev/null || true
function _gitstatus_process_response_${name}() {
local name=${${(%):-%N}#_gitstatus_process_response_}
(( ARGC == 1 )) && {
_gitstatus_process_response $name 0 ''
true
} || {
gitstatus_stop $name
}
}
zle -F $resp_fd _gitstatus_process_response_${name}
local reply IFS=''
read -r -d $'\x1e' -u $resp_fd -t $timeout reply
[[ $reply == $'hello\x1f0' ]]
function _gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}() {
emulate -L zsh
setopt err_return no_unset
local fname=${(%):-%N}
local prefix=_gitstatus_cleanup_$$_${ZSH_SUBSHELL}_
[[ $fname == ${prefix}* ]] || return 0
local -i daemon_pid=${fname#$prefix}
kill -- -$daemon_pid &>/dev/null || true
}
add-zsh-hook zshexit _gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}
}
add-zsh-hook zshexit _gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}
[[ $stderr_fd == -1 ]] || {
(( ! stderr_fd )) || {
unsetopt xtrace
exec 2>&$stderr_fd {stderr_fd}>&-
stderr_fd=-1
stderr_fd=0
}
}
gitstatus_start_impl && {
typeset -gi GITSTATUS_DAEMON_PID_${name}=$daemon_pid
typeset -gi _GITSTATUS_REQ_FD_${name}=$req_fd
typeset -gi _GITSTATUS_RESP_FD_${name}=$resp_fd
typeset -gi _GITSTATUS_LOCK_FD_${name}=$lock_fd
typeset -gi _GITSTATUS_CLIENT_PID_${name}=$$
typeset -gi _GITSTATUS_DIRTY_MAX_INDEX_SIZE_${name}=$dirty_max_index_size
(( ! req_fd )) || {
typeset -gi _GITSTATUS_REQ_FD_${name}=$req_fd
typeset -gi _GITSTATUS_RESP_FD_${name}=$resp_fd
typeset -gi _GITSTATUS_LOCK_FD_${name}=$lock_fd
typeset -gi _GITSTATUS_CLIENT_PID_${name}=$$
typeset -gi _GITSTATUS_DIRTY_MAX_INDEX_SIZE_${name}=$dirty_max_index_size
}
unset -f gitstatus_start_impl
} || {
unsetopt err_return
add-zsh-hook -d zshexit _gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}
[[ $resp_fd -ge 0 ]] && { zle -F $resp_fd; exec {resp_fd}>&- }
[[ $req_fd -ge 0 ]] && exec {req_fd}>&-
[[ $lock_fd -ge 0 ]] && zsystem flock -u $lock_fd
[[ $stderr_fd -ge 0 ]] && { exec 2>&$stderr_fd {stderr_fd}>&- }
[[ $daemon_pid -gt 0 ]] && kill -- -$daemon_pid &>/dev/null
(( $+functions[_gitstatus_process_response_${name}] )) && {
zle -F $resp_fd
unfunction _gitstatus_process_response_${name}
}
(( resp_fd )) && exec {resp_fd}>&-
(( req_fd )) && exec {req_fd}>&-
(( lock_fd )) && zsystem flock -u $lock_fd
(( stderr_fd )) && { exec 2>&$stderr_fd {stderr_fd}>&- }
(( daemon_pid > 0 )) && kill -- -$daemon_pid &>/dev/null
rm -f $lock_file $req_fifo $resp_fifo
unset -f gitstatus_start_impl
@ -457,7 +478,7 @@ function gitstatus_start() {
>&2 awk '{print " " $0}' <$log_file
>&2 print -nP '%f'
fi
if [[ -n ${GITSTATUS_LOG_LEVEL:-} || ${GITSTATUS_ENABLE_LOGGING:-0} == 1 ]]; then
if [[ ${GITSTATUS_LOG_LEVEL:-} == DEBUG ]]; then
>&2 echo -E ''
>&2 echo -E ' Your system information:'
>&2 print -P '%F{yellow}'
@ -496,17 +517,24 @@ function gitstatus_stop() {
local client_pid_var=_GITSTATUS_CLIENT_PID_${name}
local dirty_size_var=_GITSTATUS_DIRTY_MAX_INDEX_SIZE_${name}
[[ ${(P)daemon_pid_var:-} != -1 ]] || gitstatus_start -t 0 "$name" 2>/dev/null
local req_fd=${(P)req_fd_var:-}
local resp_fd=${(P)resp_fd_var:-}
local lock_fd=${(P)lock_fd_var:-}
local daemon_pid=${(P)daemon_pid_var:-}
local daemon_pid=${(P)daemon_pid_var:-0}
local cleanup_func=_gitstatus_cleanup_$$_${ZSH_SUBSHELL}_${daemon_pid}
[[ -n $resp_fd ]] && { zle -F $resp_fd; exec {resp_fd}>&- }
[[ -n $req_fd ]] && exec {req_fd}>&-
[[ -n $lock_fd ]] && zsystem flock -u $lock_fd
[[ -n $daemon_pid ]] && kill -- -$daemon_pid &>/dev/null
(( $+functions[_gitstatus_process_response_${name}] )) && {
zle -F $resp_fd
unfunction _gitstatus_process_response_${name}
}
(( resp_fd )) && exec {resp_fd}>&-
(( req_fd )) && exec {req_fd}>&-
(( lock_fd )) && zsystem flock -u $lock_fd
(( daemon_pid > 0 )) && kill -- -$daemon_pid &>/dev/null
unset $req_fd_var $resp_fd_var $lock_fd_var $daemon_pid_var $client_pid_var $dirty_size_var
@ -525,7 +553,8 @@ function gitstatus_stop() {
function gitstatus_check() {
emulate -L zsh
(( ARGC == 1 )) || { echo "usage: gitstatus_check NAME" >&2; return 1 }
[[ -n ${(P)${:-GITSTATUS_DAEMON_PID_${1}}} ]]
local daemon_pid_var=GITSTATUS_DAEMON_PID_${1}
(( ${(P)daemon_pid_var:-0} > 0 ))
}
(( ${#_gitstatus_opts} )) && setopt ${_gitstatus_opts[@]}