lib/command_duration: Refactor using `$EPOCHREALTIME`

Fallback to `$SECONDS` for older versions of _Bash_.

Instead of shortcircuiting the definition, just short-circuit the function. This allows the variable to be set later, e.g. on theme change.
pull/1906/head
John D Pell 2022-03-04 12:40:26 -08:00
parent 09e8c25b64
commit 33505d4db1
1 changed files with 22 additions and 36 deletions

View File

@ -1,21 +1,13 @@
# shellcheck shell=bash # shellcheck shell=bash
#
# Functions for measuring and reporting how long a command takes to run.
if [[ "${BASH_IT_COMMAND_DURATION:-false}" != true ]]; then : "${COMMAND_DURATION_START_SECONDS:=${EPOCHREALTIME:-$SECONDS}}"
_command_duration() { : "${COMMAND_DURATION_ICON:=🕘}"
echo -n : "${COMMAND_DURATION_MIN_SECONDS:=1}"
}
return
fi
COMMAND_DURATION_START_TIME= function _command_duration_pre_exec() {
COMMAND_DURATION_START_SECONDS="${EPOCHREALTIME:-$SECONDS}"
COMMAND_DURATION_ICON=${COMMAND_DURATION_ICON:-'  '} 🕘
COMMAND_DURATION_MIN_SECONDS=${COMMAND_DURATION_MIN_SECONDS:-'1'}
_command_duration_pre_exec() {
local command_nano_now="$(date +%1N)"
[[ "$command_nano_now" == "1N" ]] && command_nano_now=1
COMMAND_DURATION_START_TIME="$(date "+%s").${command_nano_now}"
} }
function _dynamic_clock_icon { function _dynamic_clock_icon {
@ -23,43 +15,37 @@ function _dynamic_clock_icon {
printf -v 'COMMAND_DURATION_ICON' '%b' "\xf0\x9f\x95\x$clock_hand" printf -v 'COMMAND_DURATION_ICON' '%b' "\xf0\x9f\x95\x$clock_hand"
} }
_command_duration() { function _command_duration() {
local command_duration command_start current_time [[ -n "${BASH_IT_COMMAND_DURATION:-}" ]] || return
local minutes seconds deciseconds
local command_start_sseconds current_time_seconds command_start_deciseconds current_time_deciseconds
local command_nano_now="$(date +%1N)"
[[ "$command_nano_now" == "1N" ]] && command_nano_now=1
current_time="$(date "+%s").${command_nano_now}"
if [[ -n "${COMMAND_DURATION_START_TIME:-}" ]]; then local command_duration=0 command_start="${COMMAND_DURATION_START_SECONDS:-0}"
_bash_it_log_section="command_duration" _log_debug "calculating start time" local -i minutes=0 seconds=0 deciseconds=0
command_start_sseconds=${COMMAND_DURATION_START_TIME%.*} local -i command_start_seconds="${command_start%.*}"
current_time_seconds=${current_time%.*} local -i command_start_deciseconds=$((10#${command_start##*.}))
local current_time="${EPOCHREALTIME:-$SECONDS}"
command_start_deciseconds=$((10#${command_start#*.})) local -i current_time_seconds="${current_time%.*}"
current_time_deciseconds=$((10#${current_time#*.})) local -i current_time_deciseconds="$((10#${current_time##*.}))"
if [[ "${command_start_seconds:-0}" -gt 0 ]]; then
# seconds # seconds
command_duration=$((current_time_seconds - command_start_sseconds)) command_duration="$((current_time_seconds - command_start_seconds))"
_bash_it_log_section="command_duration" _log_debug "duration: $command_duration (from $COMMAND_DURATION_START_TIME to $current_time)"
if ((current_time_deciseconds >= command_start_deciseconds)); then if ((current_time_deciseconds >= command_start_deciseconds)); then
deciseconds=$(((current_time_deciseconds - command_start_deciseconds))) deciseconds="$((current_time_deciseconds - command_start_deciseconds))"
else else
((command_duration -= 1)) ((command_duration -= 1))
deciseconds=$((10 - ((command_start_deciseconds - current_time_deciseconds)))) deciseconds="$((10 - (command_start_deciseconds - current_time_deciseconds)))"
fi fi
else else
command_duration=0 command_duration=0
fi fi
if ((command_duration > 0)); then if ((command_duration > 0)); then
_bash_it_log_section="command_duration" _log_debug "calculating minutes and seconds"
minutes=$((command_duration / 60)) minutes=$((command_duration / 60))
seconds=$((command_duration % 60)) seconds=$((command_duration % 60))
fi fi
_dynamic_clock_icon _dynamic_clock_icon "${command_duration}"
if ((minutes > 0)); then if ((minutes > 0)); then
printf "%s%s%dm %ds" "${COMMAND_DURATION_ICON:-}" "${COMMAND_DURATION_COLOR:-}" "$minutes" "$seconds" printf "%s%s%dm %ds" "${COMMAND_DURATION_ICON:-}" "${COMMAND_DURATION_COLOR:-}" "$minutes" "$seconds"
elif ((seconds >= COMMAND_DURATION_MIN_SECONDS)); then elif ((seconds >= COMMAND_DURATION_MIN_SECONDS)); then
@ -67,4 +53,4 @@ _command_duration() {
fi fi
} }
preexec_functions+=(_command_duration_pre_exec) safe_append_preexec '_command_duration_pre_exec'