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@thoemmi
Created April 21, 2017 21:11
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Script to delete old NuGet packages from %USERPROFILE%\.nuget\packages which haven't been accessed for 150 days
[CmdletBinding(SupportsShouldProcess=$True)]
Param(
[int]$CutoffDays = 150
)
$cutoffDate = (Get-Date).AddDays(-$CutoffDays)
# get path to cached NuGet packages ("%USERPROFILE$\.nuget\packages")
$nugetCachePath = Join-Path "$([System.Environment]::GetFolderPath([System.Environment+SpecialFolder]::UserProfile))" ".nuget\packages"
# get all package versions
$packages = gci -Path $nugetCachePath | gci
# get only those folders which weren't accessed since $cutoffDate, and also get their lengths
$oldPackages = $packages |
? { $_.LastAccessTimeUtc -le $cutoffDate } |
Sort-Object -Property LastAccessTime |
select Fullname,LastAccessTime,@{Name="Length";Expression={ (gci $_.Fullname -Recurse -Force | Measure-Object -Property Length -Sum).Sum }}
# delete those folder
$oldPackages | select -ExpandProperty Fullname | Remove-Item -Recurse
# output freed bytes
"{0:n2} Mb freed" -f (($oldPackages | Measure-Object -Property Length -Sum).Sum / 1Mb)
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