internal static async Task <UniversalPackageVersion> GetVersionAsync(UniversalFeedClient client, UniversalPackageId id, string version, bool prerelease, CancellationToken cancellationToken)
{
if (!string.IsNullOrEmpty(version) && !string.Equals(version, "latest", StringComparison.OrdinalIgnoreCase) && !prerelease)
{
var parsed = UniversalPackageVersion.TryParse(version);
if (parsed != null)
{
return(parsed);
}
throw new UpackException($"Invalid UPack version number: {version}");
}
IReadOnlyList <RemoteUniversalPackageVersion> versions;
try
{
versions = await client.ListPackageVersionsAsync(id, false, null, cancellationToken);
}
catch (WebException ex)
{
throw ConvertWebException(ex);
}
if (!versions.Any())
{
throw new UpackException($"No versions of package {id} found.");
}
return(versions.Max(v => v.Version));
}
public override async Task <IEnumerable <string> > EnumerateValuesAsync(ValueEnumerationContext context)
{
var id = UniversalPackageId.Parse(this.PackageId);
var client = new UniversalFeedClient(this.GetEndpoint());
return((await client.ListPackageVersionsAsync(id, false).ConfigureAwait(false))
.Where(p => this.IncludePrerelease || string.IsNullOrEmpty(p.Version.Prerelease))
.OrderByDescending(p => p.Version)
.Select(p => p.Version.ToString()));
}
public override async Task ExecuteAsync(IOperationExecutionContext context)
{
if (string.IsNullOrWhiteSpace(this.PackageFile))
{
if (string.IsNullOrWhiteSpace(this.FeedUrl))
{
this.LogError("FeedUrl is required if PackageFile is not specified.");
return;
}
if (string.IsNullOrWhiteSpace(this.PackageName))
{
this.LogError("Name is required if PackageFile is not specified.");
return;
}
var endpoint = new UniversalFeedEndpoint(new Uri(this.FeedUrl), this.UserName, this.Password);
this.LogInformation($"Getting package information for {this.PackageName} from {endpoint}...");
var client = new UniversalFeedClient(endpoint);
var versions = await client.ListPackageVersionsAsync(UniversalPackageId.Parse(this.PackageName));
this.LogDebug($"Server return info for {versions.Count} packages.");
RemoteUniversalPackageVersion package;
if (!string.IsNullOrWhiteSpace(this.PackageVersion))
{
this.LogDebug($"Checking for {this.PackageVersion} in result set...");
var parsedVersion = UniversalPackageVersion.Parse(this.PackageVersion);
package = versions.FirstOrDefault(p => p.Version == parsedVersion);
if (package != null)
{
this.LogInformation($"Package {this.PackageName} {this.PackageVersion} found.");
}
else
{
this.LogInformation($"Package {this.PackageName} {this.PackageVersion} not found.");
}
}
else
{
if (versions.Count > 0)
{
this.LogDebug($"Determining latest version of {this.PackageName}...");
package = versions.Aggregate((p1, p2) => p1.Version >= p2.Version ? p1 : p2);
this.LogInformation($"Latest version of {this.PackageName} is {package.Version}.");
}
else
{
this.LogInformation($"Package {this.PackageName} not found.");
package = null;
}
}
if (package != null)
{
this.Exists = true;
this.Metadata = this.Convert(package.AllProperties).AsDictionary();
}
else
{
this.Exists = false;
}
}
else
{
if (!string.IsNullOrWhiteSpace(this.FeedUrl))
{
this.LogWarning("FeedUrl is ignored when PackageFile is specified.");
}
if (!string.IsNullOrWhiteSpace(this.PackageName))
{
this.LogError("Name is ignored when PackageFile is specified.");
}
if (!string.IsNullOrWhiteSpace(this.PackageVersion))
{
this.LogError("Version is ignored when PackageFile is specified.");
}
var fileOps = await context.Agent.GetServiceAsync <IFileOperationsExecuter>();
var fullPath = context.ResolvePath(this.PackageFile);
this.LogInformation($"Reading {fullPath}...");
if (await fileOps.FileExistsAsync(fullPath))
{
this.LogDebug("Package file exists; reading metadata...");
UniversalPackageMetadata metadata;
try
{
using (var stream = await fileOps.OpenFileAsync(fullPath, FileMode.Open, FileAccess.Read))
using (var package = new UniversalPackage(stream))
{
metadata = package.GetFullMetadata();
}
}
catch (Exception ex)
{
this.LogError("Error reading package: " + ex);
return;
}
this.Exists = true;
this.Metadata = this.Convert(metadata).AsDictionary();
}
else
{
this.LogInformation("Package file not found.");
this.Exists = false;
}
}
}
private async Task <Stream> FetchPackageStreamAsync(ArgList args, CancellationToken cancellationToken)
{
if (this.PackageId != null && this.PackageVersion != null)
{
var cachedStream = await tryGetCached();
if (cachedStream != null)
{
return(cachedStream);
}
}
if (this.FileName != null)
{
if (File.Exists(this.FileName))
{
FileStream fileStream;
try
{
fileStream = new FileStream(this.FileName, FileMode.Open, FileAccess.Read, FileShare.Read);
}
catch (IOException)
{
goto FileNotFound;
}
this.VerifyAndPopulate(fileStream);
fileStream.Position = 0;
await addToCache(fileStream);
fileStream.Position = 0;
return(fileStream);
}
FileNotFound:
throw new RompException("File not found: " + this.FileName);
}
if (this.Source != null)
{
var client = new UniversalFeedClient(this.Source);
RemoteUniversalPackageVersion package;
if (this.PackageVersion == null)
{
package = (await client.ListPackageVersionsAsync(this.PackageId, false, null, cancellationToken))
.OrderByDescending(v => v.Version)
.FirstOrDefault();
if (package == null)
{
throw new RompException($"Package {this.PackageId} not found at the specified source.");
}
}
else
{
package = await client.GetPackageVersionAsync(this.PackageId, this.PackageVersion, false, cancellationToken);
if (package == null)
{
throw new RompException($"Package {this.PackageId} version {this.PackageVersion} not found at the specified source.");
}
}
using (var remoteStream = await client.GetPackageStreamAsync(package.FullName, package.Version, cancellationToken))
{
if (remoteStream == null)
{
throw new RompException($"Package {package.FullName} version {package.Version} not found at the specified source.");
}
var tempStream = TemporaryStream.Create(package.Size);
try
{
await remoteStream.CopyToAsync(tempStream, 81920, cancellationToken);
tempStream.Position = 0;
this.VerifyAndPopulate(tempStream);
tempStream.Position = 0;
await addToCache(tempStream);
tempStream.Position = 0;
return(tempStream);
}
catch
{
tempStream.Dispose();
throw;
}
}
}
throw new InvalidOperationException("Invalid package specification.");
async Task <Stream> tryGetCached()
{
return(await PackageRegistry.GetRegistry(RompConfig.UserMode).TryOpenFromCacheAsync(
this.PackageId,
this.PackageVersion
));
}
async Task addToCache(Stream stream)
{
try
{
using (var registry = PackageRegistry.GetRegistry(RompConfig.UserMode))
{
await registry.WriteToCacheAsync(this.PackageId, this.PackageVersion, stream);
}
}
catch (Exception ex)
{
throw new RompException($"Could not add package to cache: " + ex.Message, ex);
}
}
}