GitHub artifact management

delete-github-action-artifacts.ps1

# Inspired by https://www.eliostruyf.com/clean-github-actions-artifacts-script/
param(
    [Parameter(Position = 0)]
    [string]$Repo,

    [Parameter(Position = 1)]
    [int]$DaysOld = 5
)

if (-not (Get-Command gh -ErrorAction SilentlyContinue)) {
    Write-Error "GitHub CLI (gh) is not installed or not available in PATH."
    exit 1
}

$null = gh auth status *> $null
if ($LASTEXITCODE -ne 0) {
    Write-Host "Please authenticate with the GitHub CLI using 'gh auth login'."
    exit 1
}

if ([string]::IsNullOrWhiteSpace($Repo)) {
    Write-Host "Usage: .\delete-github-action-artifacts.ps1 <owner/repo> [days-old]"
    Write-Host "Example: .\delete-github-action-artifacts.ps1 owner/repo 5"
    exit 1
}

Write-Host "Cleaning up artifacts older than $DaysOld days for repository: $Repo"

$pagesResponse = gh api --paginate --slurp -H "Accept: application/vnd.github+json" "/repos/$Repo/actions/artifacts?per_page=100" | ConvertFrom-Json
$allArtifacts = @()

foreach ($pageResponse in @($pagesResponse)) {
    if ($null -ne $pageResponse.artifacts) {
        $allArtifacts += @($pageResponse.artifacts)
    }
}

if (-not $allArtifacts -or $allArtifacts.Count -eq 0) {
    Write-Host "No artifacts found."
}
else {
    foreach ($artifact in $allArtifacts) {
        $id = $artifact.id
        $name = $artifact.name
        $createdAt = $artifact.created_at

        if ($null -eq $id -or [string]::IsNullOrWhiteSpace($name) -or [string]::IsNullOrWhiteSpace($createdAt)) {
            $artifactJson = $artifact | ConvertTo-Json -Compress
            Write-Host "Skipping invalid artifact data: $artifactJson"
            continue
        }

        try {
            $createdAtUtc = [DateTimeOffset]::Parse($createdAt, [System.Globalization.CultureInfo]::InvariantCulture).UtcDateTime

            $ageDays = [int][Math]::Floor(([DateTime]::UtcNow - $createdAtUtc).TotalDays)

            if ($ageDays -gt $DaysOld) {
                Write-Host "Deleting artifact: $name (ID: $id, Age: $ageDays days)"
                $null = gh api -X DELETE "/repos/$Repo/actions/artifacts/$id" 2>$null

                if ($LASTEXITCODE -ne 0) {
                    Write-Host "Failed to delete artifact: $name (ID: $id)"
                }
            }
            else {
                Write-Host "Keeping artifact: $name (ID: $id, Age: $ageDays days, Created At: $createdAt)"
            }

        }
        catch {
            Write-Host "Deleting artifact: $name (ID: $id, Created At: $createdAt)"
            $null = gh api -X DELETE "/repos/$Repo/actions/artifacts/$id" 2>$null

            if ($LASTEXITCODE -ne 0) {
                Write-Host "Failed to delete artifact: $name (ID: $id)"
            }
        }
    }
}

Write-Host "Cleanup completed."