async.ps1
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function asyncGitFetch() { if ($gitStatus = Get-GitStatus) { if (Get-Job Pure__* | Where PSBeginTime -ge ((Get-Date).AddSeconds(-30))) { return } else { Get-Job Pure__* | Where State -eq Completed | Remove-Job Get-Job Pure__* | Where State -eq Stopped | Remove-Job } # get the before fetch state $currentHead = Get-Content "$($gitStatus.GitDir)/FETCH_HEAD" $null = Start-Job -Name "Pure__GitFetch"-ScriptBlock { param($gitDir, $currentHead) git -C $gitDir fetch; $newHead = Get-Content "$gitDir/FETCH_HEAD" $newHead -and ($newHead -ne $currentHead) } -ArgumentList $gitStatus.GitDir, $currentHead } } $Script:UpdateOnChange = { $state = $event.MessageData $currentStatus = &($state.getCurrentStatus) if (!$currentStatus.gitDir) {return} if ($Event.SourceEventArgs.Name -eq '.git') {return} $mutex = [System.Threading.Mutex]::new($false, ('pure__' + $currentStatus.gitDir -replace '[^\w]' , '')) if (!$mutex.WaitOne(0)) { &$state.log 'mutex unavailable' return } try { $debounce = $pure.Debounce $timeSinceUpdate = (Get-Date) - $currentStatus.updated if ($timeSinceUpdate -le $debounce) { &$state.log "Debounce not cleared ($debounce >= $timeSinceUpdate)." return } &$state.log "Debounce clear ($debounce)." &$state.log "$($event.SourceEventArgs | ConvertTo-Json -Compress)" Split-Path -Parent $currentStatus.gitDir | Push-Location $newStatus = &$state.getNewStatus &$state.log "new status: " &$state.log "$($newStatus | ConvertTo-Json | ConvertTo-Json -Compress)" &$state.log "old status: " &$state.log "$($currentStatus | ConvertTo-Json | ConvertTo-Json -Compress)" if ($currentStatus -and ($newStatus)) { if ( ($newStatus.isDirty -ne $promptStatus.isDirty) -or ($newStatus.isAhead -ne $promptStatus.isAhead) -or ($newStatus.isBehind -ne $promptStatus.isBehind)) { &$state.log 'updating prompt from update' [Microsoft.PowerShell.PSConsoleReadLine]::InvokePrompt() } } } finally { $mutex.ReleaseMutex() } } |