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pull upstream changes from gitstatus

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pull/70/head
romkatv 6 years ago
parent 5fc6fca402
commit 844326642d
5 changed files with 78 additions and 36 deletions
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106
gitstatus/gitstatus.plugin.zsh
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@ -1,8 +1,54 @@
# Copyright 2019 Roman Perepelitsa.
#
# This file is part of GitStatus. It provides ZSH bindings.
#
# GitStatus is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GitStatus is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GitStatus. If not, see <https://www.gnu.org/licenses/>.
#
# ------------------------------------------------------------------
#
# Example: Start gitstatusd, send it a request, wait for response and print it.
#
# source gitstatus.plugin.zsh
# gitstatus_start MY
# gitstatus_query -d $PWD MY
# set | egrep '^VCS_STATUS'
#
# Output:
#
# VCS_STATUS_ACTION=''
# VCS_STATUS_COMMIT=6e86ec135bf77875e222463cbac8ef72a7e8d823
# VCS_STATUS_COMMITS_AHEAD=0
# VCS_STATUS_COMMITS_BEHIND=0
# VCS_STATUS_HAS_STAGED=0
# VCS_STATUS_HAS_UNSTAGED=1
# VCS_STATUS_HAS_UNTRACKED=1
# VCS_STATUS_LOCAL_BRANCH=master
# VCS_STATUS_REMOTE_BRANCH=master
# VCS_STATUS_REMOTE_NAME=origin
# VCS_STATUS_REMOTE_URL=git@github.com:romkatv/powerlevel10k.git
# VCS_STATUS_RESULT=ok-sync
# VCS_STATUS_STASHES=0
# VCS_STATUS_TAG=''
# VCS_STATUS_WORKDIR=/home/romka/.oh-my-zsh/custom/themes/powerlevel10k
[[ -o interactive ]] || return
autoload -Uz add-zsh-hook && zmodload zsh/datetime && zmodload zsh/system || return
# Retrives status of a git repo from a directory under its working tree.
#
## Usage: gitstatus_query [OPTION]... NAME
#
# -d STR Directory to query. Defaults to ${${GIT_DIR:-$PWD}:a}. Must be absolute.
# -c STR Callback function to call once the results are available. Called only after
# gitstatus_query returns 0 with VCS_STATUS_RESULT=tout.
@ -16,7 +62,7 @@
# norepo-sync The directory isn't a git repo.
# ok-sync The directory is a git repo.
#
# When the callback is called VCS_STATUS_RESULT s set to one of the following values:
# When the callback is called VCS_STATUS_RESULT is set to one of the following values:
#
# norepo-async The directory isn't a git repo.
# ok-async The directory is a git repo.
@ -39,16 +85,14 @@
# VCS_STATUS_COMMITS_BEHIND Number of commits the current branch is behind upstream. Non-negative
# integer.
# VCS_STATUS_STASHES Number of stashes. Non-negative integer.
# VCS_STATUS_TAG The first tag (in lexicographical order) that points to the same
# VCS_STATUS_TAG The last tag (in lexicographical order) that points to the same
# commit as HEAD.
# VCS_STATUS_ALL All of the above in an array. The order of elements is unspecified.
# More elements can be added in the future.
#
# The point of reporting -1 as unstaged and untracked is to allow the command to skip scanning
# files in large repos. See -m flag of gitstatus_start.
#
# gitstatus_query returns an error if gitstatus_start hasn't been called in the same shell or
# failed.
# the call had failed.
#
# !!!!! WARNING: CONCURRENT CALLS WITH THE SAME NAME ARE NOT ALLOWED !!!!!
#
@ -103,38 +147,35 @@ function _gitstatus_process_response() {
local req_id=$3
local resp_fd_var=_GITSTATUS_RESP_FD_${name}
typeset -ga VCS_STATUS_ALL
typeset -g VCS_STATUS_RESULT
(( timeout >= 0 )) && local -a t=(-t $timeout) || local -a t=()
IFS=$'\x1f' read -rd $'\x1e' -u ${(P)resp_fd_var} $t -A VCS_STATUS_ALL || {
local -a resp
IFS=$'\x1f' read -rd $'\x1e' -u ${(P)resp_fd_var} $t -A resp || {
VCS_STATUS_RESULT=tout
unset VCS_STATUS_ALL
return
}
local -a header=("${(@Q)${(z)VCS_STATUS_ALL[1]}}")
local -a header=("${(@Q)${(z)resp[1]}}")
[[ ${header[1]} == $req_id ]] && local -i ours=1 || local -i ours=0
shift header
[[ ${VCS_STATUS_ALL[2]} == 1 ]] && {
shift 2 VCS_STATUS_ALL
[[ ${resp[2]} == 1 ]] && {
(( ours )) && VCS_STATUS_RESULT=ok-sync || VCS_STATUS_RESULT=ok-async
typeset -g VCS_STATUS_WORKDIR="${VCS_STATUS_ALL[1]}"
typeset -g VCS_STATUS_COMMIT="${VCS_STATUS_ALL[2]}"
typeset -g VCS_STATUS_LOCAL_BRANCH="${VCS_STATUS_ALL[3]}"
typeset -g VCS_STATUS_REMOTE_BRANCH="${VCS_STATUS_ALL[4]}"
typeset -g VCS_STATUS_REMOTE_NAME="${VCS_STATUS_ALL[5]}"
typeset -g VCS_STATUS_REMOTE_URL="${VCS_STATUS_ALL[6]}"
typeset -g VCS_STATUS_ACTION="${VCS_STATUS_ALL[7]}"
typeset -gi VCS_STATUS_HAS_STAGED="${VCS_STATUS_ALL[8]}"
typeset -gi VCS_STATUS_HAS_UNSTAGED="${VCS_STATUS_ALL[9]}"
typeset -gi VCS_STATUS_HAS_UNTRACKED="${VCS_STATUS_ALL[10]}"
typeset -gi VCS_STATUS_COMMITS_AHEAD="${VCS_STATUS_ALL[11]}"
typeset -gi VCS_STATUS_COMMITS_BEHIND="${VCS_STATUS_ALL[12]}"
typeset -gi VCS_STATUS_STASHES="${VCS_STATUS_ALL[13]}"
typeset -g VCS_STATUS_TAG="${VCS_STATUS_ALL[14]}"
typeset -g VCS_STATUS_WORKDIR="${resp[3]}"
typeset -g VCS_STATUS_COMMIT="${resp[4]}"
typeset -g VCS_STATUS_LOCAL_BRANCH="${resp[5]}"
typeset -g VCS_STATUS_REMOTE_BRANCH="${resp[6]}"
typeset -g VCS_STATUS_REMOTE_NAME="${resp[7]}"
typeset -g VCS_STATUS_REMOTE_URL="${resp[8]}"
typeset -g VCS_STATUS_ACTION="${resp[9]}"
typeset -gi VCS_STATUS_HAS_STAGED="${resp[10]}"
typeset -gi VCS_STATUS_HAS_UNSTAGED="${resp[11]}"
typeset -gi VCS_STATUS_HAS_UNTRACKED="${resp[12]}"
typeset -gi VCS_STATUS_COMMITS_AHEAD="${resp[13]}"
typeset -gi VCS_STATUS_COMMITS_BEHIND="${resp[14]}"
typeset -gi VCS_STATUS_STASHES="${resp[15]}"
typeset -g VCS_STATUS_TAG="${resp[16]}"
} || {
(( ours )) && VCS_STATUS_RESULT=norepo-sync || VCS_STATUS_RESULT=norepo-async
unset VCS_STATUS_ALL
unset VCS_STATUS_WORKDIR
unset VCS_STATUS_COMMIT
unset VCS_STATUS_LOCAL_BRANCH
@ -154,6 +195,8 @@ function _gitstatus_process_response() {
(( ! ours )) && (( #header )) && emulate -L zsh && "${header[@]}" || true
}
# Starts gitstatusd in the background. Does nothing and succeeds if gitstatusd is already running.
#
# Usage: gitstatus_start [OPTION]... NAME
#
# -t FLOAT Fail the self-check on initialization if not getting a response from gitstatusd for
@ -192,7 +235,7 @@ function gitstatus_start() {
local lock_file req_fifo resp_fifo log_file
local -i lock_fd=-1 req_fd=-1 resp_fd=-1 daemon_pid=-1
function start() {
function gitstatus_start_impl() {
lock_file=$(mktemp "${TMPDIR:-/tmp}"/gitstatus.$$.lock.XXXXXXXXXX)
zsystem flock -f lock_fd $lock_file
@ -224,14 +267,11 @@ function gitstatus_start() {
(( threads <= 32 )) || threads=32
}
local -i sigwinch_pid=-1
(( ! ${GITSTATUS_SEND_SIGWINCH:-0} )) || sigwinch_pid=$$
# We use `zsh -c` instead of plain {} or () to work around bugs in zplug. It hangs on startup.
zsh -xc "
${(q)daemon} \
--lock-fd=3 \
--sigwinch-pid=$sigwinch_pid \
--parent-pid=$$ \
--num-threads=$threads \
--dirty-max-index-size=$max_dirty
echo -nE $'bye\x1f0\x1e'
@ -254,12 +294,13 @@ function gitstatus_start() {
add-zsh-hook zshexit _gitstatus_cleanup_${ZSH_SUBSHELL}_${daemon_pid}
}
start && {
gitstatus_start_impl && {
typeset -g GITSTATUS_DAEMON_LOG_${name}=$log_file
typeset -gi GITSTATUS_DAEMON_PID_${name}=$daemon_pid
typeset -giH _GITSTATUS_REQ_FD_${name}=$req_fd
typeset -giH _GITSTATUS_RESP_FD_${name}=$resp_fd
typeset -giH _GITSTATUS_CLIENT_PID_${name}=$$
unset -f gitstatus_start_impl
} || {
echo "gitstatus failed to initialize" >&2 || true
[[ $daemon_pid -gt 0 ]] && kill -- -$daemon_pid &>/dev/null || true
@ -267,6 +308,7 @@ function gitstatus_start() {
[[ $req_fd -ge 0 ]] && exec {req_fd}>&- || true
[[ $resp_fd -ge 0 ]] && { zle -F $resp_fd || true } && { exec {resp_fd}>&- || true}
command rm -f $lock_file $req_fifo $resp_fifo || true
unset -f gitstatus_start_impl
return 1
}
}

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