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kshitijk4poor
23eaee2f17
Review: if the cache file was never rewritten within the 20s wait, the step still printed 'module analysis cache ready'. It now prints a warning with the cache path instead; still non-fatal.
25 lines
1.4 KiB
PowerShell
25 lines
1.4 KiB
PowerShell
# Leave Windows PowerShell's module analysis cache warm for the test processes.
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#
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# The first cmdlet a fresh powershell.exe autoloads makes it analyse every module on
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# PSModulePath (Az, AWS, Graph on the hosted images: ~22s on the arm64 runners).
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# PowerShell writes that analysis to the cache from a timer ~10s later, so a process
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# that exits right after its first cmdlet, which is every PowerShell child a test
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# spawns, never saves it and the next one pays the 22s again. When the analysis ran
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# here, stay up until the cache file is rewritten. A warm cache returns at once.
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Get-ChildItem . | Out-Null
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$process = Get-Process -Id $PID
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$analysis = ((Get-Date) - $process.StartTime).TotalSeconds
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$cache = $env:PSModuleAnalysisCachePath
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if (-not $cache) { $cache = Join-Path $env:LOCALAPPDATA 'Microsoft\Windows\PowerShell\ModuleAnalysisCache' }
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$saved = $analysis -le 5 # already warm: nothing new to save
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for ($i = 0; -not $saved -and $i -lt 40; $i++) {
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$saved = (Test-Path $cache) -and (Get-Item $cache).LastWriteTime -gt $process.StartTime
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if (-not $saved) { Start-Sleep -Milliseconds 500 }
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}
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if ($saved) {
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Write-Host ("module analysis cache ready; this launch analysed for {0:N1}s" -f $analysis)
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} else {
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# Not fatal: the tests still run, each PowerShell child paying the cold start.
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Write-Host ("::warning::PowerShell did not save its module analysis cache to {0} within 20s; Windows tests will start PowerShell cold" -f $cache)
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}
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