private int CleanDirectories(DirectoryInfo Directory, DateTime RetainTime, List <DirectoryInfo> DirectoriesToDelete, int TargetDepth, int CurrentDepth = 0)
{
// Go deeper if we need to.
if (TargetDepth > CurrentDepth)
{
int DirsFound = 0;
foreach (DirectoryInfo SubDirectory in Directory.EnumerateDirectories())
{
DirsFound += CleanDirectories(SubDirectory, RetainTime, DirectoriesToDelete, TargetDepth, CurrentDepth + 1);
}
return(DirsFound);
}
else
{
CommandUtils.LogInformation("Scanning {0}...", Directory);
IEnumerable <DirectoryInfo> DirsToScan = Directory.EnumerateDirectories();
foreach (DirectoryInfo BuildDirectory in DirsToScan)
{
try
{
if (!BuildDirectory.EnumerateFiles("*", SearchOption.AllDirectories).Any(x => x.LastWriteTimeUtc > RetainTime))
{
DirectoriesToDelete.Add(BuildDirectory);
}
}
catch (Exception Ex)
{
CommandUtils.LogWarning("Unable to enumerate {0}: {1}", BuildDirectory.FullName, Ex.ToString());
}
}
return(DirsToScan.Count());
}
}
/// <summary>
/// Entry point for the commandlet
/// </summary>
public override void ExecuteBuild()
{
string ReportDir = ParseParamValue("ReportDir", null);
if (ReportDir == null)
{
throw new AutomationException("Missing -ReportDir parameter");
}
string Days = ParseParamValue("Days", null);
if (Days == null)
{
throw new AutomationException("Missing -Days parameter");
}
double DaysValue;
if (!Double.TryParse(Days, out DaysValue))
{
throw new AutomationException("'{0}' is not a valid value for the -Days parameter", Days);
}
DateTime RetainTime = DateTime.UtcNow - TimeSpan.FromDays(DaysValue);
// Enumerate all the build directories
CommandUtils.LogInformation("Scanning {0}...", ReportDir);
int NumFolders = 0;
List <DirectoryInfo> FoldersToDelete = new List <DirectoryInfo>();
foreach (DirectoryInfo BuildDirectory in new DirectoryInfo(ReportDir).EnumerateDirectories())
{
if (!BuildDirectory.EnumerateFiles("*", SearchOption.AllDirectories).Any(x => x.LastWriteTimeUtc > RetainTime))
{
FoldersToDelete.Add(BuildDirectory);
}
NumFolders++;
}
CommandUtils.LogInformation("Found {0} builds; {1} to delete.", NumFolders, FoldersToDelete.Count);
// Delete them all
for (int Idx = 0; Idx < FoldersToDelete.Count; Idx++)
{
try
{
CommandUtils.LogInformation("[{0}/{1}] Deleting {2}...", Idx + 1, FoldersToDelete.Count, FoldersToDelete[Idx].FullName);
FoldersToDelete[Idx].Delete(true);
}
catch (Exception Ex)
{
CommandUtils.LogWarning("Failed to delete folder; will try one file at a time: {0}", Ex);
CommandUtils.DeleteDirectory_NoExceptions(true, FoldersToDelete[Idx].FullName);
}
}
}