Cleanup release folders

release-cleanup.ps1

# Clean up old releases on the server
# This script will check a specified folder for all release versions (i.e. R1, R2, R3, etc.) and delete all except the last X releases.
# Can be used together with Azure DevOps releases, each rlease is named RX which this script takes care of

# Modify $regex = '^.*?\(R(?<release>\d+)\).*' if you want to look for your own foldertype

# Usage
# release-cleanup.ps1 -releasesPath /path/to/release -releasesToKeep 3

# Options
# --releasePath
# Path to where folders are stored
#
# --releasesTokeep
# Number of folders to keep, rest will be deleted
#
# --dryRun
# Use if you want to run without deleting any folders

param ([string] $releasesPath, [int] $releasesToKeep, [bool] $dryRun)

function Green
{
    process { Write-Host $_ -ForegroundColor Green }
}

function Red
{
    process { Write-Host $_ -ForegroundColor Red }
}

if ([string]::IsNullOrWhiteSpace($releasesPath)) {
    Write-Output "(-releasesPath) Missing path to the releases folder" | Red;
    Write-Output "Exiting...";
    exit 1;
}

if ([string]::IsNullOrWhiteSpace($releasesToKeep) -Or $releasesToKeep -lt 3) {
    Write-Output "(-releasesToSkip) Missing number of releases to skip or it's less than 3 which is the minimum" | Red;
    Write-Output "Exiting...";
    exit 1;
}

$regex = '^.*?\(R(?<release>\d+)\).*'
$allFolders = get-childitem -path $releasesPath -Recurse |
Where-Object { $_.Name -match $regex } |
Sort-Object { [int] ($_.Name -replace $regex, '${release}') }

# Get all releases except the last X releases
$foldersToDelete = $allFolders | Select-Object -SkipLast $releasesToKeep;


if($foldersToDelete.Count -eq 0) {
    Write-Output "No releases to delete";
    exit 0;
}

if($dryRun -eq $true) {
    Write-Output "Dry run, no folders will be deleted" | Red
    Write-Output "Number of folders $($foldersToDelete.Count)";
    Write-Output "Folders to delete: `r`n $($foldersToDelete | ForEach-Object { "$($_.Name)`r`n" })";
} else {
    Write-Output "Deleting $($foldersToDelete.Count) folders";
    Write-Output "Folders to delete: `r`n $($foldersToDelete | ForEach-Object { "$($_.Name)`r`n" })";
    $foldersToDelete | Remove-Item -Recurse -Force
}

Write-Output "Done" | Green;
exit 0;