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powerlevel10k/gitstatus.plugin.sh
romkatv 9a4bbcd930 Squashed 'gitstatus/' changes from 0127fd26a..cc956ca78 
cc956ca78 interrupt p10k instant prompt before printing "gitstatus failed to initialize" error
db3603bc8 improve "gitstatus failed to initialize" error message
e164594ea work around bugs in cygwin
55af96ade cleanup + todo
0e70dbc56 add an empty line before the error message

git-subtree-dir: gitstatus
git-subtree-split: cc956ca7878ef6d00bb1f35861864d0a40ffac75
2020-05-26 08:37:25 +02:00

459 lines
18 KiB
Bash
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# Bash bindings for gitstatus.
[[ $- == *i* ]] || return # non-interactive shell
# Starts gitstatusd in the background. Does nothing and succeeds if gitstatusd
# is already running.
#
# Usage: gitstatus_start [OPTION]...
#
# -t FLOAT Fail the self-check on initialization if not getting a response from
# gitstatusd for this this many seconds. Defaults to 5.
#
# -s INT Report at most this many staged changes; negative value means infinity.
# Defaults to 1.
#
# -u INT Report at most this many unstaged changes; negative value means infinity.
# Defaults to 1.
#
# -c INT Report at most this many conflicted changes; negative value means infinity.
# Defaults to 1.
#
# -d INT Report at most this many untracked files; negative value means infinity.
# Defaults to 1.
#
# -m INT Report -1 unstaged, untracked and conflicted if there are more than this many
# files in the index. Negative value means infinity. Defaults to -1.
#
# -e Count files within untracked directories like `git status --untracked-files`.
#
# -U Unless this option is specified, report zero untracked files for repositories
# with status.showUntrackedFiles = false.
#
# -W Unless this option is specified, report zero untracked files for repositories
# with bash.showUntrackedFiles = false.
#
# -D Unless this option is specified, report zero staged, unstaged and conflicted
# changes for repositories with bash.showDirtyState = false.
function gitstatus_start() {
unset OPTIND
local opt timeout=5 max_dirty=-1 extra_flags
local max_num_staged=1 max_num_unstaged=1 max_num_conflicted=1 max_num_untracked=1
local ignore_status_show_untracked_files
while getopts "t:s:u:c:d:m:eUWD" opt; do
case "$opt" in
t) timeout=$OPTARG;;
s) max_num_staged=$OPTARG;;
u) max_num_unstaged=$OPTARG;;
c) max_num_conflicted=$OPTARG;;
d) max_num_untracked=$OPTARG;;
m) max_dirty=$OPTARG;;
e) extra_flags+='--recurse-untracked-dirs ';;
U) extra_flags+='--ignore-status-show-untracked-files ';;
W) extra_flags+='--ignore-bash-show-untracked-files ';;
D) extra_flags+='--ignore-bash-show-dirty-state ';;
*) return 1;;
esac
done
(( OPTIND == $# + 1 )) || { echo "usage: gitstatus_start [OPTION]..." >&2; return 1; }
[[ -z "${GITSTATUS_DAEMON_PID:-}" ]] || return 0 # already started
if [[ "${BASH_SOURCE[0]}" == */* ]]; then
local gitstatus_plugin_dir="${BASH_SOURCE[0]%/*}"
if [[ "$gitstatus_plugin_dir" != /* ]]; then
gitstatus_plugin_dir="$PWD"/"$gitstatus_plugin_dir"
fi
else
local gitstatus_plugin_dir="$PWD"
fi
local tmpdir req_fifo resp_fifo
function gitstatus_start_impl() {
local log_level="${GITSTATUS_LOG_LEVEL:-}"
[[ -n "$log_level" || "${GITSTATUS_ENABLE_LOGGING:-0}" != 1 ]] || log_level=INFO
local uname_sm
uname_sm="$(uname -sm)" || return
uname_sm="${uname_sm,,}"
local uname_s="${uname_sm% *}"
local uname_m="${uname_sm#* }"
if [[ "${GITSTATUS_NUM_THREADS:-0}" -gt 0 ]]; then
local threads="$GITSTATUS_NUM_THREADS"
else
local cpus
if ! command -v sysctl &>/dev/null || [[ "$uname_s" == linux ]] ||
! cpus="$(sysctl -n hw.ncpu)"; then
if ! command -v getconf &>/dev/null || ! cpus="$(getconf _NPROCESSORS_ONLN)"; then
cpus=8
fi
fi
local threads=$((cpus > 16 ? 32 : cpus > 0 ? 2 * cpus : 16))
fi
local daemon_args=(
--parent-pid="$$"
--num-threads="$threads"
--max-num-staged="$max_num_staged"
--max-num-unstaged="$max_num_unstaged"
--max-num-conflicted="$max_num_conflicted"
--max-num-untracked="$max_num_untracked"
--dirty-max-index-size="$max_dirty"
$extra_flags)
tmpdir="$(mktemp -d "${TMPDIR:-/tmp}"/gitstatus.bash.$$.XXXXXXXXXX)" || return
if [[ -n "$log_level" ]]; then
GITSTATUS_DAEMON_LOG="$tmpdir"/daemon.log
[[ "$log_level" == INFO ]] || daemon_args+=(--log-level="$log_level")
else
GITSTATUS_DAEMON_LOG=/dev/null
fi
req_fifo="$tmpdir"/req.fifo
resp_fifo="$tmpdir"/resp.fifo
mkfifo -- "$req_fifo" "$resp_fifo" || return
{
(
trap '' INT QUIT TSTP
[[ "$GITSTATUS_DAEMON_LOG" == /dev/null ]] || set -x
builtin cd /
(
local fd_in fd_out
exec {fd_in}<"$req_fifo" {fd_out}>"$resp_fifo" || exit
echo "$BASHPID" >&"$fd_out"
local _gitstatus_bash_daemon _gitstatus_bash_version _gitstatus_bash_downloaded
function _gitstatus_set_daemon() {
_gitstatus_bash_daemon="$1"
_gitstatus_bash_version="$2"
_gitstatus_bash_downloaded="$3"
}
set -- -d "$gitstatus_plugin_dir" -s "$uname_s" -m "$uname_m" \
-p "printf '.\036' >&$fd_out" -- _gitstatus_set_daemon
[[ "${GITSTATUS_AUTO_INSTALL:-1}" -ne 0 ]] || set -- -n "$@"
source "$gitstatus_plugin_dir"/install || return
[[ -n "$_gitstatus_bash_daemon" ]] || return
[[ -n "$_gitstatus_bash_version" ]] || return
[[ "$_gitstatus_bash_downloaded" == [01] ]] || return
local sig=(TERM ILL PIPE)
if [[ -x "$_gitstatus_bash_daemon" ]]; then
"$_gitstatus_bash_daemon" \
-G "$_gitstatus_bash_version" "${daemon_args[@]}" <&"$fd_in" >&"$fd_out" &
local pid=$!
trap "trap - ${sig[*]}; kill $pid &>/dev/null" ${sig[@]}
wait "$pid"
local ret=$?
trap - ${sig[@]}
case "$ret" in
0|129|130|131|137|141|143)
echo -nE $'bye\x1f0\x1e' >&"$fd_out"
exit "$ret"
;;
esac
fi
(( ! _gitstatus_bash_downloaded )) || return
[[ "${GITSTATUS_AUTO_INSTALL:-1}" -ne 0 ]] || return
set -- -f "$@"
_gitstatus_bash_daemon=
_gitstatus_bash_version=
_gitstatus_bash_downloaded=
source "$gitstatus_plugin_dir"/install || return
[[ -n "$_gitstatus_bash_daemon" ]] || return
[[ -n "$_gitstatus_bash_version" ]] || return
[[ "$_gitstatus_bash_downloaded" == 1 ]] || return
"$_gitstatus_bash_daemon" \
-G "$_gitstatus_bash_version" "${daemon_args[@]}" <&"$fd_in" >&"$fd_out" &
local pid=$!
trap "trap - ${sig[*]}; kill $pid &>/dev/null" ${sig[@]}
wait "$pid"
trap - ${sig[@]}
echo -nE $'bye\x1f0\x1e' >&"$fd_out"
) & disown
) & disown
} 0</dev/null &>"$GITSTATUS_DAEMON_LOG"
exec {_GITSTATUS_REQ_FD}>"$req_fifo" {_GITSTATUS_RESP_FD}<"$resp_fifo" || return
command rm -f -- "$req_fifo" "$resp_fifo" || return
[[ "$GITSTATUS_DAEMON_LOG" != /dev/null ]] || command rmdir -- "$tmpdir" 2>/dev/null
IFS='' read -r -u $_GITSTATUS_RESP_FD GITSTATUS_DAEMON_PID || return
[[ "$GITSTATUS_DAEMON_PID" == [1-9]* ]] || return
local reply
echo -nE $'hello\x1f\x1e' >&$_GITSTATUS_REQ_FD || return
local dl=
while true; do
IFS='' read -rd $'\x1e' -u $_GITSTATUS_RESP_FD -t "$timeout" reply || return
[[ "$reply" == $'hello\x1f0' ]] && break
[[ "$reply" == . ]] || return
if [[ -z "$dl" ]]; then
dl=1
if [[ -t 2 ]]; then
local spinner=('\b\033[33m-\033[0m' '\b\033[33m\\\033[0m' '\b\033[33m|\033[0m' '\b\033[33m/\033[0m')
>&2 printf '[\033[33mgitstatus\033[0m] fetching \033[32mgitstatusd\033[0m .. '
else
local spinner=('.')
>&2 printf '[gitstatus] fetching gitstatusd ..'
fi
fi
>&2 printf "${spinner[0]}"
spinner=("${spinner[@]:1}" "${spinner[0]}")
done
if [[ -n "$dl" ]]; then
if [[ -t 2 ]]; then
>&2 printf '\b[\033[32mok\033[0m]\n'
else
>&2 echo ' [ok]'
fi
fi
_GITSTATUS_DIRTY_MAX_INDEX_SIZE=$max_dirty
_GITSTATUS_CLIENT_PID="$BASHPID"
}
if ! gitstatus_start_impl; then
echo "" >&2
echo "gitstatus_start: failed to start gitstatusd" >&2
[[ -z "${req_fifo:-}" ]] || command rm -f "$req_fifo"
[[ -z "${resp_fifo:-}" ]] || command rm -f "$resp_fifo"
unset -f gitstatus_start_impl
gitstatus_stop
return 1
fi
unset -f gitstatus_start_impl
if [[ "${GITSTATUS_STOP_ON_EXEC:-1}" == 1 ]]; then
type -t _gitstatus_exec &>/dev/null || function _gitstatus_exec() { exec "$@"; }
type -t _gitstatus_builtin &>/dev/null || function _gitstatus_builtin() { builtin "$@"; }
function _gitstatus_exec_wrapper() {
(( ! $# )) || gitstatus_stop
local ret=0
_gitstatus_exec "$@" || ret=$?
[[ -n "${GITSTATUS_DAEMON_PID:-}" ]] || gitstatus_start || true
return $ret
}
function _gitstatus_builtin_wrapper() {
while [[ "${1:-}" == builtin ]]; do shift; done
if [[ "${1:-}" == exec ]]; then
_gitstatus_exec_wrapper "${@:2}"
else
_gitstatus_builtin "$@"
fi
}
alias exec=_gitstatus_exec_wrapper
alias builtin=_gitstatus_builtin_wrapper
_GITSTATUS_EXEC_HOOK=1
else
unset _GITSTATUS_EXEC_HOOK
fi
}
# Stops gitstatusd if it's running.
function gitstatus_stop() {
[[ "${_GITSTATUS_CLIENT_PID:-$BASHPID}" == "$BASHPID" ]] || return 0
[[ -z "${_GITSTATUS_REQ_FD:-}" ]] || exec {_GITSTATUS_REQ_FD}>&- || true
[[ -z "${_GITSTATUS_RESP_FD:-}" ]] || exec {_GITSTATUS_RESP_FD}>&- || true
[[ -z "${GITSTATUS_DAEMON_PID:-}" ]] || kill "$GITSTATUS_DAEMON_PID" &>/dev/null || true
if [[ -n "${_GITSTATUS_EXEC_HOOK:-}" ]]; then
unalias exec builtin &>/dev/null || true
function _gitstatus_exec_wrapper() { _gitstatus_exec "$@"; }
function _gitstatus_builtin_wrapper() { _gitstatus_builtin "$@"; }
fi
unset _GITSTATUS_REQ_FD _GITSTATUS_RESP_FD GITSTATUS_DAEMON_PID _GITSTATUS_EXEC_HOOK
unset _GITSTATUS_DIRTY_MAX_INDEX_SIZE _GITSTATUS_CLIENT_PID
}
# Retrives status of a git repository from a directory under its working tree.
#
# Usage: gitstatus_query [OPTION]...
#
# -d STR Directory to query. Defaults to $PWD. Has no effect if GIT_DIR is set.
# -t FLOAT Timeout in seconds. Will block for at most this long. If no results
# are available by then, will return error.
# -p Don't compute anything that requires reading Git index. If this option is used,
# the following parameters will be 0: VCS_STATUS_INDEX_SIZE,
# VCS_STATUS_{NUM,HAS}_{STAGED,UNSTAGED,UNTRACKED,CONFLICTED}.
#
# On success sets VCS_STATUS_RESULT to one of the following values:
#
# norepo-sync The directory doesn't belong to a git repository.
# ok-sync The directory belongs to a git repository.
#
# If VCS_STATUS_RESULT is ok-sync, additional variables are set:
#
# VCS_STATUS_WORKDIR Git repo working directory. Not empty.
# VCS_STATUS_COMMIT Commit hash that HEAD is pointing to. Either 40 hex digits or
# empty if there is no HEAD (empty repo).
# VCS_STATUS_LOCAL_BRANCH Local branch name or empty if not on a branch.
# VCS_STATUS_REMOTE_NAME The remote name, e.g. "upstream" or "origin".
# VCS_STATUS_REMOTE_BRANCH Upstream branch name. Can be empty.
# VCS_STATUS_REMOTE_URL Remote URL. Can be empty.
# VCS_STATUS_ACTION Repository state, A.K.A. action. Can be empty.
# VCS_STATUS_INDEX_SIZE The number of files in the index.
# VCS_STATUS_NUM_STAGED The number of staged changes.
# VCS_STATUS_NUM_CONFLICTED The number of conflicted changes.
# VCS_STATUS_NUM_UNSTAGED The number of unstaged changes.
# VCS_STATUS_NUM_UNTRACKED The number of untracked files.
# VCS_STATUS_HAS_STAGED 1 if there are staged changes, 0 otherwise.
# VCS_STATUS_HAS_CONFLICTED 1 if there are conflicted changes, 0 otherwise.
# VCS_STATUS_HAS_UNSTAGED 1 if there are unstaged changes, 0 if there aren't, -1 if
# unknown.
# VCS_STATUS_NUM_STAGED_NEW The number of staged new files. Note that renamed files
# are reported as deleted plus new.
# VCS_STATUS_NUM_STAGED_DELETED The number of staged deleted files. Note that renamed files
# are reported as deleted plus new.
# VCS_STATUS_NUM_UNSTAGED_DELETED The number of unstaged deleted files. Note that renamed files
# are reported as deleted plus new.
# VCS_STATUS_HAS_UNTRACKED 1 if there are untracked files, 0 if there aren't, -1 if
# unknown.
# VCS_STATUS_COMMITS_AHEAD Number of commits the current branch is ahead of upstream.
# Non-negative integer.
# 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 last tag (in lexicographical order) that points to the same
# commit as HEAD.
# VCS_STATUS_PUSH_REMOTE_NAME The push remote name, e.g. "upstream" or "origin".
# VCS_STATUS_PUSH_REMOTE_URL Push remote URL. Can be empty.
# VCS_STATUS_PUSH_COMMITS_AHEAD Number of commits the current branch is ahead of push remote.
# Non-negative integer.
# VCS_STATUS_PUSH_COMMITS_BEHIND Number of commits the current branch is behind push remote.
# Non-negative integer.
# VCS_STATUS_NUM_SKIP_WORKTREE The number of files in the index with skip-worktree bit set.
# Non-negative integer.
# VCS_STATUS_NUM_ASSUME_UNCHANGED The number of files in the index with assume-unchanged bit set.
# Non-negative integer.
#
# The point of reporting -1 via VCS_STATUS_HAS_* 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 the call had failed.
function gitstatus_query() {
unset OPTIND
local opt dir timeout=() no_diff=0
while getopts "d:c:t:p" opt "$@"; do
case "$opt" in
d) dir=$OPTARG;;
t) timeout=(-t "$OPTARG");;
p) no_diff=1;;
*) return 1;;
esac
done
(( OPTIND == $# + 1 )) || { echo "usage: gitstatus_query [OPTION]..." >&2; return 1; }
[[ -n "$GITSTATUS_DAEMON_PID" ]] || return # not started
local req_id="$RANDOM.$RANDOM.$RANDOM.$RANDOM"
if [[ -z "${GIT_DIR:-}" ]]; then
[[ "$dir" == /* ]] || dir="$(pwd -P)/$dir" || return
elif [[ "$GIT_DIR" == /* ]]; then
dir=:"$GIT_DIR"
else
dir=:"$(pwd -P)/$GIT_DIR" || return
fi
echo -nE "$req_id"$'\x1f'"$dir"$'\x1f'"$no_diff"$'\x1e' >&$_GITSTATUS_REQ_FD || return
local -a resp
while true; do
IFS=$'\x1f' read -rd $'\x1e' -a resp -u $_GITSTATUS_RESP_FD "${timeout[@]}" || return
[[ "${resp[0]}" == "$req_id" ]] && break
done
if [[ "${resp[1]}" == 1 ]]; then
VCS_STATUS_RESULT=ok-sync
VCS_STATUS_WORKDIR="${resp[2]}"
VCS_STATUS_COMMIT="${resp[3]}"
VCS_STATUS_LOCAL_BRANCH="${resp[4]}"
VCS_STATUS_REMOTE_BRANCH="${resp[5]}"
VCS_STATUS_REMOTE_NAME="${resp[6]}"
VCS_STATUS_REMOTE_URL="${resp[7]}"
VCS_STATUS_ACTION="${resp[8]}"
VCS_STATUS_INDEX_SIZE="${resp[9]}"
VCS_STATUS_NUM_STAGED="${resp[10]}"
VCS_STATUS_NUM_UNSTAGED="${resp[11]}"
VCS_STATUS_NUM_CONFLICTED="${resp[12]}"
VCS_STATUS_NUM_UNTRACKED="${resp[13]}"
VCS_STATUS_COMMITS_AHEAD="${resp[14]}"
VCS_STATUS_COMMITS_BEHIND="${resp[15]}"
VCS_STATUS_STASHES="${resp[16]}"
VCS_STATUS_TAG="${resp[17]}"
VCS_STATUS_NUM_UNSTAGED_DELETED="${resp[18]}"
VCS_STATUS_NUM_STAGED_NEW="${resp[19]:-0}"
VCS_STATUS_NUM_STAGED_DELETED="${resp[20]:-0}"
VCS_STATUS_PUSH_REMOTE_NAME="${resp[21]:-}"
VCS_STATUS_PUSH_REMOTE_URL="${resp[22]:-}"
VCS_STATUS_PUSH_COMMITS_AHEAD="${resp[23]:-0}"
VCS_STATUS_PUSH_COMMITS_BEHIND="${resp[24]:-0}"
VCS_STATUS_NUM_SKIP_WORKTREE="${resp[25]:-0}"
VCS_STATUS_NUM_ASSUME_UNCHANGED="${resp[26]:-0}"
VCS_STATUS_HAS_STAGED=$((VCS_STATUS_NUM_STAGED > 0))
if (( _GITSTATUS_DIRTY_MAX_INDEX_SIZE >= 0 &&
VCS_STATUS_INDEX_SIZE > _GITSTATUS_DIRTY_MAX_INDEX_SIZE_ )); then
VCS_STATUS_HAS_UNSTAGED=-1
VCS_STATUS_HAS_CONFLICTED=-1
VCS_STATUS_HAS_UNTRACKED=-1
else
VCS_STATUS_HAS_UNSTAGED=$((VCS_STATUS_NUM_UNSTAGED > 0))
VCS_STATUS_HAS_CONFLICTED=$((VCS_STATUS_NUM_CONFLICTED > 0))
VCS_STATUS_HAS_UNTRACKED=$((VCS_STATUS_NUM_UNTRACKED > 0))
fi
else
VCS_STATUS_RESULT=norepo-sync
unset VCS_STATUS_WORKDIR
unset VCS_STATUS_COMMIT
unset VCS_STATUS_LOCAL_BRANCH
unset VCS_STATUS_REMOTE_BRANCH
unset VCS_STATUS_REMOTE_NAME
unset VCS_STATUS_REMOTE_URL
unset VCS_STATUS_ACTION
unset VCS_STATUS_INDEX_SIZE
unset VCS_STATUS_NUM_STAGED
unset VCS_STATUS_NUM_UNSTAGED
unset VCS_STATUS_NUM_CONFLICTED
unset VCS_STATUS_NUM_UNTRACKED
unset VCS_STATUS_HAS_STAGED
unset VCS_STATUS_HAS_UNSTAGED
unset VCS_STATUS_HAS_CONFLICTED
unset VCS_STATUS_HAS_UNTRACKED
unset VCS_STATUS_COMMITS_AHEAD
unset VCS_STATUS_COMMITS_BEHIND
unset VCS_STATUS_STASHES
unset VCS_STATUS_TAG
unset VCS_STATUS_NUM_UNSTAGED_DELETED
unset VCS_STATUS_NUM_STAGED_NEW
unset VCS_STATUS_NUM_STAGED_DELETED
unset VCS_STATUS_PUSH_REMOTE_NAME
unset VCS_STATUS_PUSH_REMOTE_URL
unset VCS_STATUS_PUSH_COMMITS_AHEAD
unset VCS_STATUS_PUSH_COMMITS_BEHIND
unset VCS_STATUS_NUM_SKIP_WORKTREE
unset VCS_STATUS_NUM_ASSUME_UNCHANGED
fi
}
# Usage: gitstatus_check.
#
# Returns 0 if and only if gitstatus_start has succeeded previously.
# If it returns non-zero, gitstatus_query is guaranteed to return non-zero.
function gitstatus_check() {
[[ -n "$GITSTATUS_DAEMON_PID" ]]
}
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