public async Task <UpdateNeeded> IsUpdateNeededAsync(string packageName, bool includePreRelease)
{
SemanticVersion largestAvailableVersion;
try
{
using (var downloader = new NugetDownloader(commandDirectory))
{
var versionFound = await downloader.GetLatestVersionAsync(packageName, includePreRelease);
if (versionFound == null)
{
WriteLineIfVerbose($"Could not find '{packageName}'.");
return(UpdateNeeded.PackageNotFound);
}
largestAvailableVersion = SemanticVersion.Parse(versionFound);
}
}
catch (Exception ex)
{
WriteLine("Could not download Nuget.");
WriteLineIfVerbose(ex.ToString());
return(UpdateNeeded.No);
}
var directory = commandDirectory.GetDirectoryForPackage(packageName);
var packageDirs = Directory.EnumerateDirectories(directory);
var packageVersions = packageDirs.Select(packageDir => SemanticVersion.Parse(Path.GetFileName(packageDir)));
var largestInstalledVersion = packageVersions.Max();
return(largestInstalledVersion >= largestAvailableVersion ? UpdateNeeded.No : UpdateNeeded.Yes);
}
public async Task <bool> InstallAsync(string packageName, SemanticVersion packageVersion, bool force, bool includePreRelease)
{
WriteLineIfVerbose($"Installing {packageName}...");
PackageInfo packageInfo;
try
{
using (var downloader = new NugetDownloader(commandDirectory))
{
packageInfo = await downloader.DownloadAndExtractNugetAsync(packageName, packageVersion, force, includePreRelease);
if (packageInfo == null)
{
return(false);
}
}
}
catch (Exception ex)
{
WriteLineIfVerbose("Could not download Nuget.");
WriteLineIfVerbose(ex.ToString());
return(false);
}
var created = CreateBinFile(packageInfo);
if (!created)
{
if (Directory.Exists(packageInfo.PackageDir))
{
WriteLineIfVerbose($"Deleting {packageInfo}...");
Directory.Delete(packageInfo.PackageDir, true);
var packageDirectoryForAllVersions = commandDirectory.GetDirectoryForPackage(packageName);
if (Directory.EnumerateDirectories(packageDirectoryForAllVersions).Count() <= 1)
{
Directory.Delete(packageDirectoryForAllVersions, true);
}
}
return(false);
}
var added = CreateRuntimeConfigDevJsonFile(packageInfo.PackageDir);
if (!added)
{
return(false);
}
var restored = await RestoreAsync(packageInfo.PackageDir);
return(restored);
}