Add overlay for tasks
Julius Riegel
8 months ago
parent
b49a7b7c5e
commit
39635bfef8
@ -0,0 +1,127 @@
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export def get-sign [cmd] {
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let x = (scope commands | where name == $cmd).signatures?.0?.any?
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mut s = []
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mut n = {}
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mut p = []
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mut pr = []
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mut r = []
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for it in $x {
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if $it.parameter_type == 'switch' {
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if ($it.short_flag | is-not-empty) {
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$s ++= $it.short_flag
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}
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if ($it.parameter_name | is-not-empty) {
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$s ++= $it.parameter_name
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}
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} else if $it.parameter_type == 'named' {
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if ($it.parameter_name | is-empty) {
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$n = ($n | upsert $it.short_flag $it.short_flag)
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} else if ($it.short_flag | is-empty) {
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$n = ($n | upsert $it.parameter_name $it.parameter_name)
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} else {
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$n = ($n | upsert $it.short_flag $it.parameter_name)
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}
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} else if $it.parameter_type == 'positional' {
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if $it.is_optional == false {
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$p ++= $it.parameter_name
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} else {
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$pr ++= $it.parameter_name
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}
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} else if $it.parameter_type == 'rest' {
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$r ++= $it.parameter_name
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}
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}
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{ switch: $s, name: $n, positional: ($p ++ $pr), rest: $r }
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}
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# "test -h [123 (3213 3)] 123 `a sdf` --cd --ef sadf -g" | token
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export def token [] {
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let s = ($in | split row '' | range 1..-2)
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let s = if ($s | last) == ' ' { $s } else { $s | append ' ' }
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mut par = []
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mut res = []
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mut cur = ''
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mut esc = false
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for c in $s {
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if $c == '\' {
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$esc = true
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} else {
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if $esc {
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$cur ++= $c
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$esc = false
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} else {
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if $c == ' ' and ($par | length) == 0 {
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$res ++= [$cur]
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$cur = ''
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} else {
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if $c in ['{' '[' '('] {
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$par ++= $c
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}
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if $c in ['}' ']' ')'] {
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$par = ($par | range ..-2)
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}
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if $c in ['"' "'" '`'] {
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if ($par | length) > 0 and ($par | last) == $c {
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$par = ($par | range ..-2)
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} else {
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$par ++= $c
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}
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}
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$cur ++= $c
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}
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}
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}
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}
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return $res
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}
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export def parse [] {
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let token = ($in | token)
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let sign = (get-sign $token.0)
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mut sw = ''
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mut pos = []
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mut opt = {}
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for c in $token {
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if ($sw | is-empty) {
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if ($c | str starts-with '-') {
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let c = if ($c | str substring 1..2) != '-' {
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let k = ($c | str substring 1..)
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if $k in $sign.name {
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$'($sign.name | get $k)'
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} else {
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$k
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}
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} else {
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$c | str substring 2..
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}
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if $c in $sign.switch {
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$opt = ($opt | upsert $c true)
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} else {
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$sw = $c
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}
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} else {
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$pos ++= [$c]
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}
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} else {
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$opt = ($opt | upsert $sw $c)
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$sw = ''
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}
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}
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$opt._args = $pos
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let p = $pos | range 1..($sign.positional | length)
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let rest = $pos | range (($sign.positional | length) + 1)..-1
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$opt._pos = ( $p | enumerate
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| reduce -f {} {|it, acc|
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$acc | upsert ($sign.positional | get $it.index) $it.item
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} )
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if ($sign.rest | length) > 0 {
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$opt._pos = ($opt._pos | upsert $sign.rest.0 $rest)
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}
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$opt
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}
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# def test [a b x? ...y --cd(-c) --ef(-e):string -g -h:int --ij --lm:bool] {}
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# (scope commands | where name == test).signatures?.0?.any?
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# get-sign test | to yaml
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# "test -h 111 123 'asdf' --cd --ef sadf -g -h 222" | cmd parse | to yaml
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@ -0,0 +1,434 @@
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# Spawn a task to run in the background, even when the shell is closed.
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#
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# Note that a fresh Nushell interpreter is spawned to execute the
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# given task, so it won't inherit the current scope's variables,
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# custom commands and alias definitions.
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#
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# It will only inherit environment variables which can be converted to a string.
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#
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# Note that the closure can't take arguments.
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#
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# Example usage: task spawn { echo "Hello, World!" }
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export def spawn [
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command: closure # The closure to run.
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--working-directory (-w): directory # Specify the working directory the task will be run in.
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--immediate (-i) # Immediately start the task.
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--stashed (-s) # Create the task in Stashed state. Useful to avoid immediate execution if the queue is empty
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--delay (-d): duration # Queue the task for execution only after the duration.
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--group (-g): string # The group to spawn the task under.
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--after (-a): int # Start the task once all specified tasks have successfully finished. As soon as one of the dependencies fails, this task will fail as well.
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--priority (-o): string # Start this task with a higher priority. The higher the number, the faster it will be processed.
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--label (-l): string # Label the task. This string will be shown in the `status` column of `task status`.
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] -> int {
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mut args = []
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if $working_directory != null {
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$args = ($args | prepend ["--working-directory", $working_directory])
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}
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if $immediate {
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$args = ($args | prepend "--immediate")
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}
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if $stashed {
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$args = ($args | prepend "--stashed")
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}
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if $delay != null {
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$args = ($args | prepend ["--delay" ($delay | format duration sec | parse "{secs} {_}" | get 0.secs)])
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}
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if $group != null {
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$args = ($args | prepend ["--group" $group])
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}
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if $after != null {
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$args = ($args | prepend ["--after" $after])
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}
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if $priority != null {
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$args = ($args | prepend ["--priority" $priority])
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}
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if $label != null {
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$args = ($args | prepend ["--label" $label])
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}
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let source_path = mktemp --tmpdir --suffix "-nu-task"
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(
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view source $command
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| str trim --left --char "{"
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| str trim --right --char "}"
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)
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| save --force $source_path
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(pueue add --print-task-id ...$args $"nu --config '($nu.config-path)' --env-config '($nu.env-path)' ($source_path)")
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}
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# Remove tasks from the queue.
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# Running or paused tasks need to be killed first.
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export def remove [
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...ids: int # IDs of the tasks to remove from the status list.
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] {
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pueue remove ...$ids
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}
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# Switches the queue position of two tasks.
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# Only works for queued or stashed tasks.
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export def switch [
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task_id_1: int # The first task ID.
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task_id_2: int # The second task ID.
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] {
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pueue switch $task_id_1 $task_id_2
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}
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# Stash a task that is not currently running.
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#
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# Stashed tasks won't be automatically started.
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# You will have to queue them or start them by hand.
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export def stash [
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...ids: int # IDs of the tasks to stash.
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] {
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pueue stash ...$ids
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}
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# Queue stashed tasks for execution.
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export def queue [
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...ids: int # IDs of the tasks to queue.
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--delay (-d): duration # Queue only after the specified delay.
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] {
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let args = if $delay != null {
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["--delay" ($delay | format duration sec | parse '{secs} {_}' | get 0.secs)]
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} else {
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[]
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}
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pueue enqueue ...$args ...$ids
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}
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# Resume operation of specific tasks or groups of tasks.
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#
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# By default, this resumes the default group and all its tasks.
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# It can also be used force-start specific tasks or start whole groups.
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export def start [
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...ids: int # IDs of the tasks to start. By default all the tasks in the default group will be started.
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--group (-g): string # Resume a specific group and all paused tasks in it. The group will be set to running and its paused tasks will be resumed.
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--all (-a) # Resume all groups. All groups will be set to running and paused tasks will be resumed.
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] {
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mut args = []
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if $group != null {
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$args = ($args | prepend ["--group" $group])
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}
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if $all {
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$args = ($args | prepend "--all")
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}
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pueue start ...$args
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}
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# Restart failed or successful task(s).
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#
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# By default, identical tasks will be created and
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# enqueued, but it's possible to restart in-place.
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#
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# You can also edit a few properties, such as
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# the path and the command of the task, before restarting.
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export def restart [
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...ids: int # IDs of the tasks to restart.
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--all-failed (-a) # Restart all failed tasks across all groups. Nice to use in combination with `--in-place/i`.
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--failed-in-group (-g): string # Like `--all-failed`, but only restart tasks failed tasks of a specific group. The group will be set to running and its paused tasks will be resumed.
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--start-immediately (-k) # Immediately start the tasks, no matter how many open slots there are. This will ignore any dependencies tasks may have.
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--stashed (-s) # Set the restarted task to a "Stashed" state. Useful to avoid immediate execution.
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--in-place (-i) # Restart the tasks by reusing the already existing tasks.
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--not-in-place (-n) # Opposite of `--in-place`. This is already the default unless you have `restart_in_place` set to true.
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--edit (-e) # Edit the tasks' commands before restarting
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--edit-path (-p) # Edit the tasks' paths before restarting
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--edit-label (-l) # Edit the tasks' labels before restarting
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] {
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mut args = []
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if $all_failed {
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$args = ($args | prepend "--all-failed")
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}
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if $failed_in_group != null {
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$args = ($args | prepend "--failed-in-group")
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}
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if $start_immediately {
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$args = ($args | prepend "--start-immediately")
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}
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if $stashed {
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$args = ($args | prepend "--stashed")
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}
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if $in_place {
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$args = ($args | prepend "--in-place")
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}
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if $not_in_place {
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$args = ($args | prepend "--not-in-place")
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}
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if $edit {
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$args = ($args | prepend "--edit")
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}
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if $edit_path {
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$args = ($args | prepend "--edit-path")
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}
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if $edit_label {
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$args = ($args | prepend "--edit-label")
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}
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pueue restart ...$args ...$ids
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}
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# Either pause a running tasks or a specific groups of tasks.
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#
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# By default, pauses the default group and all its tasks.
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#
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# A paused group won't start any new tasks automatically.
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export def pause [
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...ids: int # IDs of the tasks to pause.
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--group (-g) # Pause a specific group
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--all (-a) # Pause all groups.
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--wait (-w) # Only pause the specified group and let already running tasks finish by themselves
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] {
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mut args = []
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if $group != null {
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$args = ($args | prepend "--group")
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}
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if $all != null {
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$args = ($args | prepend "--all")
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}
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if $wait != null {
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$args = ($args | prepend "--wait")
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}
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pueue pause ...$args ...$ids
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}
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# Kill specific running tasks or whole task groups.
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#
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# Kills all tasks of the default group when no ids or a specific group are provided.
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export def kill [
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...ids: int # IDs of the tasks to kill.
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--group (-g): string # Kill all running tasks in a group. This also pauses the group.
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--all (-a) # Kill all running tasks across ALL groups. This also pauses all groups.
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--signal (-s): string # Send a UNIX signal instead of simply killing the process. DISCLAIMER: This bypasses Pueue's process handling logic! You might enter weird invalid states, use at your own descretion.
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] {
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mut args = []
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if $group != null {
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$args = ($args | prepend ["--group" $group])
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}
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if $all {
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$args = ($args | prepend "--all")
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}
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if $signal != null {
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$args = ($args | prepend ["--signal" $signal])
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}
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pueue kill ...$args ...$ids
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}
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# Send something to a task. Useful for sending confirmations such as "y\n".
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export def send [
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id: int # ID of the task to send something to.
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input: string # The input that should be sent to the process.
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] {
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pueue send $id $input
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}
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# Edit the command, path or label of a stashed or queued task.
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#
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# By default only the command is edited.
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#
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# Multiple properties can be added in one go.
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export def edit [
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id: int # ID of the task to edit.
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--command (-c) # Edit the task's command
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--path (-p) # Edit the task's path
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--label (-l) # Edit the task's label
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] {
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mut args = []
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if $command {
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$args = ($args | prepend "--command")
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}
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if $path {
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$args = ($args | prepend "--path")
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}
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if $label {
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$args = ($args | prepend "--label")
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}
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pueue edit ...$args $id
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}
|
||||||
|
|
||||||
|
# Use this to add or remove groups.
|
||||||
|
#
|
||||||
|
# By default, this will simply display all known groups.
|
||||||
|
export def group [] {
|
||||||
|
pueue group --json | from json
|
||||||
|
}
|
||||||
|
|
||||||
|
# Create a new group with a name.
|
||||||
|
export def "group add" [
|
||||||
|
name: string # The name of the new group.
|
||||||
|
--parallel (-p): int # The amount of parallel tasks the group can run at one time.
|
||||||
|
] {
|
||||||
|
let args = if $parallel != null {
|
||||||
|
["--parallel" $parallel]
|
||||||
|
} else {
|
||||||
|
[]
|
||||||
|
}
|
||||||
|
|
||||||
|
pueue group add ...$args $name
|
||||||
|
}
|
||||||
|
|
||||||
|
# Remove a group with a name.
|
||||||
|
export def "group remove" [
|
||||||
|
name: string # The name of the group to be removed.
|
||||||
|
] {
|
||||||
|
pueue group remove $name
|
||||||
|
}
|
||||||
|
|
||||||
|
# Display the current status of all tasks.
|
||||||
|
export def status [
|
||||||
|
--detailed (-d) # Return a table with more detailed information.
|
||||||
|
] {
|
||||||
|
let output = (
|
||||||
|
pueue status --json
|
||||||
|
| from json
|
||||||
|
| get tasks
|
||||||
|
| transpose --ignore-titles status
|
||||||
|
| flatten
|
||||||
|
)
|
||||||
|
|
||||||
|
# TODO: Rename the Done column to done.
|
||||||
|
if not $detailed {
|
||||||
|
$output | select id label group Done? status? start? end?
|
||||||
|
} else {
|
||||||
|
$output
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# Display the output of tasks.
|
||||||
|
#
|
||||||
|
# Only the last few lines will be shown by default for multiple tasks.
|
||||||
|
# If you want to follow the output, use `--tail/-t`.
|
||||||
|
export def log [
|
||||||
|
...ids: int # The tasks to check the outputs of.
|
||||||
|
--last (-l): int # Only print the last N lines of each task's output. This is done by default if you're looking at multiple tasks.
|
||||||
|
--tail (-t) # Follow the output as it is printing. Only works with 1 task. When used in conjunction with `--last`, the last N lines will be printed before starting to wait for output.
|
||||||
|
--detailed (-d) # Include all fields, don't simplify output.
|
||||||
|
] {
|
||||||
|
def process_raw [raw: string] {
|
||||||
|
let full = (
|
||||||
|
$raw
|
||||||
|
| from json
|
||||||
|
| transpose -i info
|
||||||
|
| flatten --all
|
||||||
|
| flatten --all
|
||||||
|
)
|
||||||
|
|
||||||
|
if $detailed {
|
||||||
|
$full
|
||||||
|
} else {
|
||||||
|
$full | select id label group Done? status? start? end?
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (($ids | length) == 1) {
|
||||||
|
if $tail {
|
||||||
|
let args = if $last != null {
|
||||||
|
["--lines" $last]
|
||||||
|
} else {
|
||||||
|
[]
|
||||||
|
}
|
||||||
|
|
||||||
|
pueue follow ...$ids
|
||||||
|
} else {
|
||||||
|
let args = if $last != null {
|
||||||
|
["--lines" $last]
|
||||||
|
} else {
|
||||||
|
[]
|
||||||
|
}
|
||||||
|
|
||||||
|
process_raw (pueue log --full --json ...$args ...$ids)
|
||||||
|
| first
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
if $tail {
|
||||||
|
echo $"(ansi red)--tail can only be used with one task.(ansi reset)"
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
let args = if $last != null {
|
||||||
|
["--lines" $last]
|
||||||
|
} else {
|
||||||
|
[]
|
||||||
|
}
|
||||||
|
|
||||||
|
process_raw (pueue log --full --json ...$args ...$ids)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
# Wait until the provided tasks are finished.
|
||||||
|
#
|
||||||
|
# This is like join() or await in many languages.
|
||||||
|
export def wait [
|
||||||
|
...ids: int # IDs of the tasks to wait for.
|
||||||
|
--group (-g): string # Wait for all tasks in a specific group.
|
||||||
|
--all (-a) # Wait for all tasks across all groups and the default group.
|
||||||
|
--quiet (-q) # Don't show any log output while waiting.
|
||||||
|
--status (-s): string # Wait for tasks to reach a specific task status.
|
||||||
|
] {
|
||||||
|
mut args = []
|
||||||
|
|
||||||
|
if $group != null {
|
||||||
|
$args = ($args | prepend ["--group" $group])
|
||||||
|
}
|
||||||
|
if $all {
|
||||||
|
$args = ($args | prepend $all)
|
||||||
|
}
|
||||||
|
if $quiet {
|
||||||
|
$args = ($args | prepend $quiet)
|
||||||
|
}
|
||||||
|
if $status != null {
|
||||||
|
$args = ($args | prepend ["--status" $status])
|
||||||
|
}
|
||||||
|
|
||||||
|
pueue wait ...$args ...$ids
|
||||||
|
}
|
||||||
|
|
||||||
|
# Remove tasks from the status list.
|
||||||
|
export def clean [
|
||||||
|
--successful-only (-s) # Only clean tasks that finished successfully
|
||||||
|
--group (-g): string # Only clean tasks of a specific group
|
||||||
|
] {
|
||||||
|
mut args = []
|
||||||
|
|
||||||
|
if $successful_only {
|
||||||
|
$args = ($args | prepend "--successful-only")
|
||||||
|
}
|
||||||
|
if $group != null {
|
||||||
|
$args = ($args | prepend ["--group" $group])
|
||||||
|
}
|
||||||
|
|
||||||
|
pueue clean ...$args
|
||||||
|
}
|
||||||
|
|
||||||
|
# Shutdown pueue and thus this module.
|
||||||
|
export def shutdown [] {
|
||||||
|
pueue shutdown
|
||||||
|
}
|
||||||
|
|
||||||
|
# Set the maximum parallel tasks for a group.
|
||||||
|
#
|
||||||
|
# Note that no tasks will be stopped if the number is lowered.
|
||||||
|
# The limit only applies when schelduing.
|
||||||
|
export def set-parallel-limit [
|
||||||
|
max: int # The maximum parallel tasks allowed for a group when schelduing.
|
||||||
|
--group (-g): string # The group to set the limit for. By default this is `default`.
|
||||||
|
] {
|
||||||
|
let args = if $group != null {
|
||||||
|
["--group" $group]
|
||||||
|
} else {
|
||||||
|
[]
|
||||||
|
}
|
||||||
|
|
||||||
|
pueue parallel ...$args $max
|
||||||
|
}
|
||||||
@ -0,0 +1,13 @@
|
|||||||
|
# This is the service file for the pueue daemon
|
||||||
|
# To enable the daemon type `systemctl --user enable pueued.service`
|
||||||
|
# To start the daemon type `systemctl --user start pueued.service`
|
||||||
|
|
||||||
|
[Unit]
|
||||||
|
Description=Pueue Daemon - CLI process scheduler and manager
|
||||||
|
|
||||||
|
[Service]
|
||||||
|
Restart=no
|
||||||
|
ExecStart=/home/jri/.nix-profile/bin/pueued -vv
|
||||||
|
|
||||||
|
[Install]
|
||||||
|
WantedBy=default.target
|
||||||
Loading…
Reference in New Issue