public override void Execute(IEnumerable <string> args)
{
string version = null;
IPackageFeed source = null;
var force = false;
var input = new OptionSet {
{ "n=|version=", value => version = value },
{ "f|force", value => force = true }
}.Parse(args);
if (input.Count == 0)
{
throw new ArgumentException("No packages specified");
}
input.CheckArguments();
Feed.FilterPackageArguments(input, ref version, ref source);
var cache = new PackageCache();
var versions = new List <DirectoryInfo>();
foreach (var package in input)
{
versions.AddRange(cache.EnumerateVersions(package, version));
}
if (versions.Count == 0)
{
if (force)
{
return;
}
throw new ArgumentException("No packages found");
}
if (!force && versions.Count > 1)
{
foreach (var dir in versions)
{
WriteLine(dir.FullName.ToRelativePath());
}
if (!Confirm("The search returned more than one package -- delete all of them?"))
{
return;
}
}
foreach (var dir in versions)
{
Disk.DeleteDirectory(dir.FullName, true);
}
// Delete any remaining empty directories
foreach (var package in input)
{
foreach (var dir in cache.EnumeratePackages(package))
{
if (dir.EnumerateFileSystemInfos().FirstOrDefault() == null)
{
Disk.DeleteDirectory(dir.FullName, true);
}
}
}
}