async.ps1
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# kill any existing jobs on startup Get-Job Pure__* | Where {$_.State -eq 'Completed' -or $_.State -eq 'Stopped'} | Remove-Job function asyncGitFetch() { # return early if we've fetched recently if (Get-Job Pure__* | Where PSBeginTime -ge ((Get-Date) - $pure.FetchInterval)) { return } # clean up any existing jobs else { Get-Job Pure__* | Where {$_.State -eq 'Completed' -or $_.State -eq 'Stopped'} | Remove-Job } # check that we're actually in a git directory if ($gitStatus = Get-GitStatus) { $null = Start-Job -Name "Pure__GitFetch" -ScriptBlock { param($gitDir) git -C $gitDir fetch # no need to actually do anything here. if the status changed # then it should get picked up by the listener } -ArgumentList $gitStatus.GitDir } } $Script:UpdateOnChange = { if ( $Event.SourceEventArgs.Name -eq '.git' -or $Event.SourceEventArgs.Name -like '.git*.lock') {return} $state = $event.MessageData &$state.maybeDirty = $true $currentStatus = &$state.currentStatus if (!$currentStatus.gitDir) {return} # not a git directory $timeSinceUpdate = (Get-Date) - $currentStatus.updated if ($timeSinceUpdate.TotalMilliseconds -le (&$state.backoff)) { return } &$state.log "$($event.SourceEventArgs | ConvertTo-Json -Compress)" &$state.writePromptIfChanged } function writePromptIfChanged() { $Script:backoff = [Math]::Min($Script:backoff * 2, 10000) $Script:promptStatus.updated = Get-Date $newStatus = getPromptStatus (Get-GitStatus) if ($promptStatus -and ($newStatus)) { if ( ($newStatus.isDirty -ne $promptStatus.isDirty) -or ($newStatus.isAhead -ne $promptStatus.isAhead) -or ($newStatus.isBehind -ne $promptStatus.isBehind)) { Log 'updating prompt' $Script:promptStatus = $newStatus $Script:maybeDirty = $false $Script:timer.Start() } } } |