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https://github.com/romkatv/powerlevel10k.git
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add worker.zsh
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romkatv
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278
internal/worker.zsh
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278
internal/worker.zsh
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# invoked in worker: _p9k_worker_main <timeout>
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function _p9k_worker_main() {
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local _p9k_worker_buf _p9k_worker_cmd
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while true; do
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if sysread -t $1 '_p9k_worker_buf[$#_p9k_worker_method+1]'; then
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_p9k_worker_cmd=${_p9k_worker_buf%%$'\x1e'*}
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if (( $#_p9k_worker_cmd != $#_p9k_worker_buf )); then
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_p9k_worker_buf[1,$#_p9k_worker_cmd+1]=""
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eval $_p9k_worker_cmd
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fi
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else
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(( $? == 4 )) || return
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(( $+functions[_p9k_worker_on_timeout] )) && _p9k_worker_on_timeout
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fi
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done
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}
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typeset -g _p9k__worker_pid
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typeset -g _p9k__worker_req_fd
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typeset -g _p9k__worker_resp_fd
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typeset -g _p9k__worker_shell_pid
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typeset -g _p9k__worker_file_prefix
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typeset -ga _p9k__worker_params
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typeset -gA _p9k__worker_functions
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typeset -gA _p9k__worker_requests
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# invoked in master: _p9k_worker_reply <list>...
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#
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# worker also has _p9k_worker_reply but its implemented as _p9k_worker_reply_remote
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function _p9k_worker_reply() { eval $1 }
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# invoked in worker where it's called _p9k_worker_reply
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# usage: _p9k_worker_reply <list>
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function _p9k_worker_reply_remote() { print -rn -- e$1$'\x1e' }
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# invoked in worker: _p9k_worker_done <request-id>
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function _p9k_worker_done() { print -rn -- d$1$'\x1e' }
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# invoked in master: _p9k_worker_eval <list>
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function _p9k_worker_eval() {
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print -rnu $_p9k__worker_req_fd -- $1$'\x1e' && return
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_p9k_worker_stop
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return 1
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}
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# invoked in master: _p9k_worker_send_params [param]...
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function _p9k_worker_send_params() {
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[[ -z $_p9k__worker_resp_fd || $# == 0 ]] && return
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if [[ -n $_p9k__worker_req_fd ]]; then
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{
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typeset -p -- $* && print -rn -- $'\x1e' && return
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} >&$_p9k__worker_req_fd
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_p9k_worker_stop
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return 1
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else
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_p9k__worker_params+=($*)
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fi
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}
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# invoked in master: _p9k_worker_invoke <request-id> <func> [arg]...
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function _p9k_worker_invoke() {
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if [[ -n $_p9k__worker_resp_fd ]]; then
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if [[ -n $_p9k__worker_req_fd ]]; then
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local req
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if (( ! $+_p9k__worker_functions[$2] )); then
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req+="function $2() { $functions[$2] ; }"$'\n'
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_p9k__worker_functions[$2]=
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fi
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if (( ! $+_p9k__worker_requests[$1] )); then
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req+="${(j: :)${(@q)${@:2}}}"$'\n'
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_p9k__worker_requests[$1]=
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else
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_p9k__worker_requests[$1]="${(j: :)${(@q)${@:2}}}"
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fi
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if [[ -n $req ]]; then
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_p9k_worker_eval $req"_p9k_worker_done ${(q)1}"
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fi
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else
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_p9k__worker_functions[$2]=
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_p9k__worker_requests[$1]="${(j: :)${(@q)${@:2}}}"
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fi
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else
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"${@:2}"
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fi
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}
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function _p9k_worker_cleanup() {
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emulate -L zsh
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setopt no_hist_expand extended_glob no_prompt_bang prompt_{percent,subst} no_aliases
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[[ $_p9k__worker_shell_pid == $sysparams[pid] ]] && _p9k_worker_stop
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return 0
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}
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function _p9k_worker_stop() {
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emulate -L zsh
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setopt no_hist_expand extended_glob no_prompt_bang prompt_{percent,subst} no_aliases
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add-zsh-hook -D zshexit _p9k_worker_cleanup
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[[ -n $_p9k__worker_resp_fd ]] && zle -F $_p9k__worker_resp_fd
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[[ -n $_p9k__worker_resp_fd ]] && exec {_p9k__worker_resp_fd}>&-
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[[ -n $_p9k__worker_req_fd ]] && exec {_p9k__worker_req_fd}>&-
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[[ -n $_p9k__worker_pid ]] && kill -- -$_p9k__worker_pid 2>/dev/null
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_p9k__worker_pid=
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_p9k__worker_req_fd=
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_p9k__worker_resp_fd=
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_p9k__worker_shell_pid=
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_p9k__worker_requests=()
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_p9k__worker_functions=()
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return 0
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}
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function _p9k_worker_receive() {
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emulate -L zsh
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setopt no_hist_expand extended_glob no_prompt_bang prompt_{percent,subst} no_aliases
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{
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(( $# <= 1 )) || return
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local buf resp reset
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while true; do
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sysread -t 0 -i $_p9k__worker_resp_fd 'buf[$#buf+1]' && continue
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(( $? == 4 )) || return
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[[ $buf[-1] == (|$'\x1e') ]] && break
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sysread -i $_p9k__worker_resp_fd 'buf[$#buf+1]' || return
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done
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for resp in ${(ps:\x1e:)buf}; do
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local arg=$resp[2,-1]
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case $resp[1] in
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d)
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local req=$_p9k__worker_requests[$arg]
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if [[ -n $req ]]; then
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_p9k__worker_requests[$arg]=
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_p9k_worker_eval $req$'\n'"_p9k_worker_done ${(q)arg}" || return
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else
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unset "_p9k__worker_requests[$arg]"
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fi
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;;
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e)
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if (( start_time )); then
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local -F end_time=EPOCHREALTIME
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local -F3 latency=$((1000*(end_time-start_time)))
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echo "latency: $latency ms" >>/tmp/log
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start_time=0
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fi
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reset=1
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() { eval $arg }
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;;
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s)
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[[ -z $_p9k__worker_pid ]] || return
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[[ $arg == <1-> ]] || return
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_p9k__worker_pid=$arg
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sysopen -w -o cloexec -u _p9k__worker_req_fd $_p9k__worker_file_prefix.fifo || return
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{
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print -r -- "
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emulate -L zsh
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setopt no_hist_expand extended_glob no_prompt_bang prompt_percent prompt_subst no_aliases
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zmodload zsh/system
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zmodload zsh/datetime
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function _p9k_worker_reply() { $functions[_p9k_worker_reply_remote] }" || return
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local f
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for f in _p9k_worker_done _p9k_worker_main ${(k)_p9k__worker_functions}; do
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print -r -- "function $f() { $functions[$f] }" || return
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done
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if (( $#_p9k__worker_params )); then
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typeset -p -- $_p9k__worker_params || return
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_p9k__worker_params=()
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fi
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local id list
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for id list in "${(@kv)_p9k__worker_requests}"; do
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print -rl -- $list "_p9k_worker_done ${(q)id}" || return
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_p9k__worker_requests[$id]=
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done
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if (( _POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME )); then
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print -r -- "
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function _p9k_worker_on_timeout() { _p9k_worker_reply '' }
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_p9k_worker_main 1" || return
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else
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print -r -- "_p9k_worker_main -1" || return
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fi
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print -rn -- $'\x1e' || return
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} >&$_p9k__worker_req_fd
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;;
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*)
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return 1
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;;
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esac
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done
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if (( reset ||
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_POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME &&
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_p9k__last_prompt_update_time < EPOCHREALTIME - 0.8 )); then
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_p9k_reset_prompt
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fi
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return 0
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} always {
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(( $? )) && _p9k_worker_stop
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}
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}
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function _p9k_worker_start() {
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{
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[[ -n $_p9k__worker_resp_fd ]] && return
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_p9k__worker_file_prefix=${TMPDIR:-/tmp}/p10k.worker.$EUID.$$.$EPOCHSECONDS
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if [[ -n $POWERLEVEL9K_WORKER_LOG_LEVEL ]]; then
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local trace=x
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local log_file=$file_prefix.log
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else
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local trace=
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local log_file=/dev/null
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fi
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log_file=/tmp/log # todo: remove
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trace=
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local fifo=$_p9k__worker_file_prefix.fifo
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local cmd='
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emulate zsh
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{ mkfifo '${(q)fifo}' && exec >&4 && echo -n "s$$\x1e" && exec 0<'${(q)fifo}' || exit } always { rm -f '${(q)fifo}' }
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IFS= read -rd $'\''\x1e'\'' && eval $REPLY'
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local setsid=${commands[setsid]:-/usr/local/opt/util-linux/bin/setsid}
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[[ -x $setsid ]] && setsid=${(q)setsid} || setsid=
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local zsh=${${:-/proc/self/exe}:A}
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[[ -x $zsh ]] || zsh=zsh
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cmd="$setsid ${(q)zsh} --nobgnice --noaliases -${trace}dfc ${(q)cmd} &!"
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sysopen -r -o cloexec -u _p9k__worker_resp_fd <(
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$zsh --nobgnice --noaliases -${trace}dfmc $cmd </dev/null 4>&1 &>>$log_file &!) || return
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zle -F $_p9k__worker_resp_fd _p9k_worker_receive
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_p9k__worker_shell_pid=$sysparams[pid]
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add-zsh-hook zshexit _p9k_worker_cleanup
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} always {
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(( $? )) && _p9k_worker_stop
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}
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}
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# todo: remove
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function _p9k_reset_prompt() {
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zle && zle reset-prompt && zle -R && _p9k__last_prompt_update_time=EPOCHREALTIME
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}
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emulate -L zsh -o prompt_subst # -o xtrace
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POWERLEVEL9K_WORKER_LOG_LEVEL=DEBUG
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_POWERLEVEL9K_EXPERIMENTAL_TIME_REALTIME=1
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typeset -F _p9k__last_prompt_update_time
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zmodload zsh/datetime
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zmodload zsh/system
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autoload -Uz add-zsh-hook
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typeset -F start_time=EPOCHREALTIME
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_p9k_worker_start
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echo -E - $((1000*(EPOCHREALTIME-start_time)))
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function compute_foo() {
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local f="${(q+)1} ${(q+)bar} $((foo_counter++))"
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_p9k_worker_reply "typeset -g foo=${(q)f}"
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}
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bar='rofl $ {'
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_p9k_worker_send_params bar
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() {
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local -i i
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for i in {1..10}; do
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_p9k_worker_invoke f compute_foo $i
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done
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}
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RPROMPT='$foo %*'
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function in_worker() {
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_p9k_worker_reply 'echo roundtrip: $((1000*(EPOCHREALTIME-'$1'))) >>/tmp/log'
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}
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_p9k_worker_invoke w in_worker $EPOCHREALTIME
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# for i in {1..100}; do _p9k_worker_invoke w$i in_worker $EPOCHREALTIME; done
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