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synthesize common prompt functions

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romkatv 2020-01-20 23:37:03 +01:00
parent e74e0d38c8
commit 0f6b7953be
3 changed files with 74 additions and 120 deletions
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163
internal/p10k.zsh
View file

@ -1031,8 +1031,6 @@ _p9k_prompt_disk_usage_init() {
typeset -g _p9k__disk_usage_warning=
typeset -g _p9k__disk_usage_critical=
_p9k_worker_send_functions _p9k_prompt_disk_usage_async _p9k_prompt_disk_usage_sync
_p9k_worker_send_params \
_POWERLEVEL9K_DISK_USAGE_CRITICAL_LEVEL \
_POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL \
@ -1041,26 +1039,24 @@ _p9k_prompt_disk_usage_init() {
_p9k__disk_usage_normal \
_p9k__disk_usage_warning \
_p9k__disk_usage_critical
_p9k__async_segments_compute+=_p9k_prompt_disk_usage_compute
}
_p9k_prompt_disk_usage_compute() {
_p9k_worker_invoke disk_usage \
'' "_p9k_prompt_disk_usage_async ${(q)_p9k__pwd_a}" _p9k_prompt_disk_usage_sync
_p9k_worker_invoke \
disk_usage \
_p9k_prompt_disk_usage_cond \
"_p9k_prompt_disk_usage_async ${(q)_p9k__pwd_a}" \
_p9k_prompt_disk_usage_sync
}
_p9k_prompt_disk_usage_cond() {
(( $+commands[df] ))
}
_p9k_prompt_disk_usage_async() {
(( $+commands[df] )) || return
local disk_usage_pct
disk_usage_pct=${${=${(f)"$(df -P $1 2>/dev/null)"}[2]}[5]%%%}
[[ $disk_usage_pct == <0-100> ]] || return
typeset -p disk_usage_pct
}
_p9k_prompt_disk_usage_sync() {
[[ $disk_usage_pct != $_p9k__disk_usage_pct ]] || return
_p9k__disk_usage_pct=$disk_usage_pct
local pct=${${=${(f)"$(df -P $1 2>/dev/null)"}[2]}[5]%%%}
[[ $pct == <0-100> && pct != $_p9k__disk_usage_pct ]] || return
_p9k__disk_usage_pct=$pct
_p9k__disk_usage_normal=
_p9k__disk_usage_warning=
_p9k__disk_usage_critical=
@ -1071,13 +1067,11 @@ _p9k_prompt_disk_usage_sync() {
elif (( ! _POWERLEVEL9K_DISK_USAGE_ONLY_WARNING )); then
_p9k__disk_usage_normal=1
fi
_p9k_worker_reply_begin
typeset -p \
_p9k__disk_usage_pct \
_p9k__disk_usage_normal \
_p9k__disk_usage_warning \
_p9k__disk_usage_critical
_p9k_worker_reply_end
}
function _p9k_read_file() {
@ -1243,18 +1237,6 @@ _p9k_prompt_public_ip_init() {
_POWERLEVEL9K_PUBLIC_IP_HOST \
_p9k__public_ip \
_p9k__public_ip_next_time
_p9k_worker_send_functions \
_p9k_prompt_public_ip_cond \
_p9k_prompt_public_ip_async \
_p9k_prompt_public_ip_sync
_p9k__async_segments_compute+=_p9k_prompt_public_ip_compute
}
_p9k_prompt_public_ip_compute() {
_p9k_worker_invoke \
public_ip _p9k_prompt_public_ip_cond _p9k_prompt_public_ip_async _p9k_prompt_public_ip_sync
}
_p9k_prompt_public_ip_cond() {
@ -1294,17 +1276,17 @@ _p9k_prompt_public_ip_async() {
break
fi
done
typeset -p ip next
_p9k__public_ip=$ip
_p9k__public_ip_next_time=$next
typeset -p _p9k__public_ip _p9k__public_ip_next_time
}
_p9k_prompt_public_ip_sync() {
_p9k__public_ip_next_time=$next
if [[ $ip != _p9k__public_ip ]]; then
_p9k__public_ip=$ip
_p9k_worker_reply_begin
typeset -p _p9k__public_ip
_p9k_worker_reply_end
fi
[[ $prev == $cur ]] && return
local prev_ip=$_p9k__public_ip
eval $cur
[[ $_p9k__public_ip == $prev_ip ]] && return
_p9k_worker_reply $cur
}
################################################################
@ -1894,14 +1876,10 @@ prompt_load() {
_p9k_prompt_load_init() {
[[ $_p9k_os == (OSX|BSD) ]] || return
typeset -g _p9k__load_value=
typeset -g _p9k__load_normal=
typeset -g _p9k__load_warning=
typeset -g _p9k__load_critical=
_p9k_worker_send_functions _p9k_prompt_load_async _p9k_prompt_load_sync
_p9k_worker_send_params \
$_POWERLEVEL9K_LOAD_WHICH \
_p9k_num_cpus \
@ -1909,24 +1887,16 @@ _p9k_prompt_load_init() {
_p9k__load_normal \
_p9k__load_warning \
_p9k__load_critical
_p9k__async_segments_compute+=_p9k_prompt_load_compute
}
_p9k_prompt_load_compute() {
_p9k_worker_invoke load '(( $+commands[sysctl] ))' _p9k_prompt_load_async _p9k_prompt_load_sync
_p9k_prompt_load_cond() {
(( $+commands[sysctl] ))
}
_p9k_prompt_load_async() {
local load
load="$(sysctl -n vm.loadavg 2>/dev/null)" || return
local load="$(sysctl -n vm.loadavg 2>/dev/null)" || return
load=${${(A)=load}[_POWERLEVEL9K_LOAD_WHICH+1]//,/.}
[[ $load == <->(|.<->) ]] || return
typeset -p load
}
_p9k_prompt_load_sync() {
[[ $load != $_p9k__load_value ]] || return
[[ $load == <->(|.<->) && $load != $_p9k__load_value ]] || return
_p9k__load_value=$load
_p9k__load_normal=
_p9k__load_warning=
@ -1939,14 +1909,11 @@ _p9k_prompt_load_sync() {
else
_p9k__load_normal=1
fi
_p9k_worker_reply_begin
typeset -p \
_p9k__load_value \
_p9k__load_normal \
_p9k__load_warning \
_p9k__load_critical
_p9k_worker_reply_end
}
function _p9k_cached_cmd_stdout() {
@ -2234,15 +2201,7 @@ prompt_ram() {
function _p9k_prompt_ram_init() {
typeset -g _p9k__ram_free=
_p9k_worker_send_params _p9k_os _p9k__ram_free __p9k_byte_suffix
_p9k_worker_send_functions \
_p9k_human_readable_bytes \
_p9k_prompt_ram_async \
_p9k_prompt_ram_sync
_p9k__async_segments_compute+=_p9k_prompt_ram_compute
}
function _p9k_prompt_ram_compute() {
_p9k_worker_invoke ram '' _p9k_prompt_ram_async _p9k_prompt_ram_sync
_p9k_worker_send_functions _p9k_human_readable_bytes
}
_p9k_prompt_ram_async() {
@ -2271,16 +2230,9 @@ _p9k_prompt_ram_async() {
esac
_p9k_human_readable_bytes $free_bytes
local ram_free=$_p9k_ret
typeset -p ram_free
}
_p9k_prompt_ram_sync() {
[[ $ram_free == $_p9k__ram_free ]] && return
_p9k__ram_free=$ram_free
_p9k_worker_reply_begin
[[ $_p9k_ret != $_p9k__ram_free ]] || return
_p9k__ram_free=$_p9k_ret
typeset -p _p9k__ram_free
_p9k_worker_reply_end
}
function _p9k_read_rbenv_version_file() {
@ -2782,14 +2734,12 @@ _p9k_prompt_time_init() {
_p9k__async_segments_compute+=_p9k_prompt_time_compute
}
_p9k_prompt_time_compute() {
_p9k_worker_invoke 'time' '' 'sleep 1 || true' _p9k_prompt_time_sync
_p9k_prompt_time_async() {
sleep 1 || true
}
_p9k_prompt_time_sync() {
_p9k_worker_reply_begin
echo _p9k_prompt_time_compute
_p9k_worker_reply_end
_p9k_worker_reply _p9k_prompt_time_compute
}
################################################################
@ -3989,15 +3939,7 @@ function _p9k_prompt_net_iface_init() {
_POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE \
_POWERLEVEL9K_IP_INTERFACE \
_POWERLEVEL9K_VPN_IP_INTERFACE
_p9k_worker_send_functions \
_p9k_prompt_net_iface_match \
_p9k_prompt_net_iface_async \
_p9k_prompt_net_iface_sync
_p9k__async_segments_compute+=_p9k_prompt_net_iface_compute
}
function _p9k_prompt_net_iface_compute() {
_p9k_worker_invoke net_iface '' _p9k_prompt_net_iface_async _p9k_prompt_net_iface_sync
_p9k_worker_send_functions _p9k_prompt_net_iface_match
}
# reads `iface2ip` and sets `ip`
@ -4034,33 +3976,24 @@ function _p9k_prompt_net_iface_async() {
done
fi
local params
if _p9k_prompt_net_iface_match $_POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE; then
params+="typeset -g _p9k__public_ip_vpn=1"$'\n'
params+="typeset -g _p9k__public_ip_not_vpn="$'\n'
_p9k__public_ip_vpn=1
_p9k__public_ip_not_vpn=
else
params+="typeset -g _p9k__public_ip_vpn="$'\n'
params+="typeset -g _p9k__public_ip_not_vpn=1"$'\n'
_p9k__public_ip_vpn=
_p9k__public_ip_not_vpn=1
fi
if _p9k_prompt_net_iface_match $_POWERLEVEL9K_IP_INTERFACE; then
params+="typeset -g _p9k__ip_ip=$ip"$'\n'
_p9k__ip_ip=$ip
else
params+="typeset -g _p9k__ip_ip="$'\n'
_p9k__ip_ip=
fi
if _p9k_prompt_net_iface_match $_POWERLEVEL9K_VPN_IP_INTERFACE; then
params+="typeset -g _p9k__vpn_ip_ip=$ip"$'\n'
_p9k__vpn_ip_ip=$ip
else
params+="typeset -g _p9k__vpn_ip_ip="$'\n'
_p9k__vpn_ip_ip=
fi
typeset -p params
}
function _p9k_prompt_net_iface_sync() {
[[ $params == $_p9k__net_iface_params ]] && return
_p9k__net_iface_params=$params
_p9k_worker_reply_begin
print -rn -- $params
_p9k_worker_reply_end
typeset -p _p9k__public_ip_vpn _p9k__public_ip_not_vpn _p9k__ip_ip _p9k__vpn_ip_ip
}
function _p9k_build_segment() {
@ -5182,7 +5115,7 @@ _p9k_init_params() {
_p9k_declare -e POWERLEVEL9K_PUBLIC_IP_NONE ""
_p9k_declare -s POWERLEVEL9K_PUBLIC_IP_HOST "http://ident.me"
_p9k_declare -s POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE ""
_p9k_segment_in_use public_ip || POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE=
_p9k_segment_in_use public_ip || _POWERLEVEL9K_PUBLIC_IP_VPN_INTERFACE=
_p9k_declare -b POWERLEVEL9K_ALWAYS_SHOW_CONTEXT 0
_p9k_declare -b POWERLEVEL9K_ALWAYS_SHOW_USER 0
_p9k_declare -e POWERLEVEL9K_CONTEXT_TEMPLATE "%n@%m"
@ -6625,7 +6558,19 @@ _p9k_init() {
local f_init
for f_init in $_p9k_async_segments_init; do
$f_init
$f_init || continue
local f=${f_init%init}
if (( ! $+functions[${f}sync] )); then
functions[${f}sync]='[[ $cur == $prev ]] && return; eval $cur; _p9k_worker_reply $cur'
fi
if (( ! $+functions[${f}compute] )); then
local body="_p9k_worker_invoke $f "
(( $+functions[${f}cond] )) && body+="${f}cond " || body+="'' "
(( $+functions[${f}async] )) && body+="${f}async " || body+="'' "
functions[${f}compute]="$body ${f}sync"
fi
_p9k_worker_send_functions ${f}{cond,sync,async}
_p9k__async_segments_compute+=${f}compute
done
(( $#_p9k__async_segments_compute )) && _p9k_worker_start

26
internal/worker.zsh
View file

@ -7,14 +7,16 @@ function _p9k_worker_main() {
zmodload zsh/zselect || return
! { zselect -t0 || (( $? != 1 )) } || return
function _p9k_worker_reply_begin() { print e }
function _p9k_worker_reply_end() { print -n -- '\x1e' }
function _p9k_worker_reply_begin() { print -nr -- e }
function _p9k_worker_reply_end() { print -nr -- $'\x1e' }
function _p9k_worker_reply() { print -nr -- e${(pj:\n:)@}$'\x1e' }
typeset -g IFS=$' \t\n\0'
local req fd buf
local req fd
local -a ready
local -A inflight # fd => id$'\x1f'sync
local -A last_async
local -ri _p9k_worker_runs_me=1
{
@ -22,7 +24,7 @@ function _p9k_worker_main() {
[[ $ready[1] == -r ]] || return
for fd in ${ready:1}; do
if [[ $fd == 0 ]]; then
buf=
local buf=
while true; do
sysread -t 0 'buf[$#buf+1]' && continue
(( $? == 4 )) || return
@ -45,15 +47,23 @@ function _p9k_worker_main() {
fi
done
else
buf=
local cur=
while true; do
sysread -i $fd 'buf[$#buf+1]' && continue
sysread -i $fd 'cur[$#cur+1]' && continue
(( $? == 5 )) || return
break
done
local parts=("${(@ps:\x1f:)inflight[$fd]}") # id sync
if [[ $buf == *$'\x1e' ]]; then
() { eval ${buf[1,-2]}$'\n'$parts[2] }
if [[ $cur == *$'\x1e' ]]; then
cur[-1]=""
() {
local prev
if [[ -n $parts[1] ]]; then
prev=$last_async[$parts[1]]
last_async[$parts[1]]=$cur
fi
eval $parts[2]
}
fi
if [[ -n $parts[1] ]]; then
print -rn -- d$parts[1]$'\x1e' || return

1
notes.txt
View file

@ -1,4 +1,3 @@
- decouple *_init functions from segments; find all of them with a glob in _p9k_init_cacheable.
- declare local _p9k_worker_reset in _p9k_worker_receive. it can be set when replies from worker
are eval'd. initial value 0. 1 means reset-prompt is needed. 2 for _p9k_set_prompt + reset-prompt.
- battery: when state or icon change, update with _p9k_set_prompt. make sure icons can be sent with