/// <summary>
/// Getting packages from local folders that contain packages.
/// </summary>
public IEnumerable <string> GetPackages(bool newOnly)
{
_logger.WriteVerbose("Checking packages at: {0}", string.Join(";", _packageSources));
foreach (var source in _packageSources)
{
var nupkgFiles = Directory.GetFiles(source, "*.nupkg", SearchOption.AllDirectories);
foreach (var nupkgFile in nupkgFiles)
{
if (newOnly && File.GetLastWriteTime(nupkgFile) <= _index.LastWriteTime)
{
continue;
}
yield return(nupkgFile);
}
}
}
public Task <LocalPackageIndexBuilderResult> BuildAsync(bool shouldClean = false,
bool newOnly = false,
CancellationToken cancellationToken = default(CancellationToken))
{
// Fire and forget. While index is building, it will be locked from
// other write attempts. In meanwhile readers would just not be able
// to find any types, but will be still operatable (when an instance of
// a reader is created it can return data from the snapshot before next
// write happened).
return(Task.Run(() =>
{
bool success = true;
_logger.WriteInformation("Started building index.");
var stopWatch = Stopwatch.StartNew();
try
{
if (shouldClean)
{
// if we cleaned index , we should add all packages, not only new
Clean();
newOnly = false;
}
if (newOnly)
{
_logger.WriteVerbose("Indexing only new packages...");
}
else
{
_logger.WriteVerbose("Indexing all existing packages...");
}
var existentPackages = new HashSet <string>(StringComparer.OrdinalIgnoreCase);
if (!newOnly && !shouldClean)
{
var indexedPackages = _index.GetPackages();
// remove packages from index that don't exist on disk anymore
foreach (var indexedPackage in indexedPackages)
{
if (File.Exists(indexedPackage.Path) && ShouldInclude(indexedPackage.Name))
{
existentPackages.Add(indexedPackage.Path);
}
else
{
_logger.WriteVerbose(string.Format("Package {0} does not exist on disk, removing ...", indexedPackage.Name));
_index.RemovePackage(indexedPackage.Name);
}
}
}
var packages = _discoverer.DiscoverPackages(_packageSources,
existentPackages,
newOnly,
_index.LastWriteTime,
cancellationToken,
ShouldInclude);
_logger.WriteVerbose("Found packages to be added to the index.");
_index.WarmUp();
int counter = 0;
foreach (var package in packages)
{
if (cancellationToken != null && cancellationToken.IsCancellationRequested)
{
return new LocalPackageIndexBuilderResult {
Success = false, TimeElapsed = stopWatch.Elapsed
};
}
var errors = _index.AddPackage(package, force: false);
success &= (errors == null || !errors.Any());
counter++;
}
_logger.WriteVerbose("Added {0} packages.", counter);
_index.CoolDown();
}
catch (Exception e)
{
Debug.Write(e.ToString());
success = false;
}
stopWatch.Stop();
_logger.WriteInformation("Finished building index.");
return new LocalPackageIndexBuilderResult
{
Success = success,
TimeElapsed = stopWatch.Elapsed
};
}, PackageIndexFactory.LocalIndexCancellationTokenSource.Token));
}