private static void InstallNugetPackageForSpecifiedVersion(IProject project, IVsPackageInstaller vsPackageInstaller, string packageId, string version)
{
vsPackageInstaller.InstallPackage(
ServiceMatrixOverrides.GetNugetFeedServiceBaseAddress() ?? "All",
project.As <EnvDTE.Project>(),
packageId,
version,
false);
}
private static void InstallLatestNugetPackage(IProject project, IVsPackageInstallerServices vsPackageInstallerServices, IVsPackageInstaller vsPackageInstaller, string packageId, int?majorVersion)
{
// lookup latest version for the given major (or null), and install that
var latestVersion = GetLatestVersionForMajor(packageId, majorVersion);
vsPackageInstaller.InstallPackage(
ServiceMatrixOverrides.GetNugetFeedServiceBaseAddress() ?? "All",
project.As <EnvDTE.Project>(),
packageId,
latestVersion,
false);
// Call the installed packages to get the version that was just installed and cache the version.
// Packages are needed in case latestVersion is null,
var installedPackages = vsPackageInstallerServices.GetInstalledPackages();
NugetPackageVersionManager.UpdateCache(packageId, majorVersion, installedPackages);
}
static string GetNugetFeedServiceBaseAddress()
{
var overrideFeed = ServiceMatrixOverrides.GetNugetFeedServiceBaseAddress();
return(string.IsNullOrWhiteSpace(overrideFeed) ? officialNugetFeed : overrideFeed.Trim());
}
static string GetLatestVersionForMajor(string packageId, int?majorVersion)
{
// first check for overrides
var overridenPackageVersion = ServiceMatrixOverrides.GetNugetPackageVersion(packageId);
if (!string.IsNullOrEmpty(overridenPackageVersion))
{
return(overridenPackageVersion);
}
// if no major is given, use latest
if (!majorVersion.HasValue)
{
return(null);
}
using (var client = new WebClient())
{
client.BaseAddress = GetNugetFeedServiceBaseAddress();
var query =
string.Format(
CultureInfo.InvariantCulture,
@"Packages()?$filter=Id eq '{0}' and startswith(Version,'{1}.')&$orderby=Version desc",
packageId,
majorVersion.Value);
string resultString;
try
{
resultString = client.DownloadString(query);
}
catch (WebException e)
{
tracer.Trace(TraceEventType.Warning, e, "Could not retrieve result from feed for package {0}", packageId);
return(null);
}
if (string.IsNullOrWhiteSpace(resultString))
{
tracer.Trace(TraceEventType.Warning, null, "Retrieved empty result from feed for package {0}", packageId);
return(null);
}
XElement xmlElement;
try
{
xmlElement = XElement.Parse(resultString);
}
catch (XmlException e)
{
tracer.Trace(TraceEventType.Warning, e, "Retrieved invalid result from feed for package {0}", packageId);
return(null);
}
var versionElementName = XName.Get("Version", "http://schemas.microsoft.com/ado/2007/08/dataservices");
var versions =
xmlElement
.Descendants(versionElementName)
.Select(e => new { e.Value, Version = ParseVersion(e.Value) })
.OrderByDescending(v => v.Version);
var version = versions.FirstOrDefault(v => v.Version != null);
return(version != null ? version.Value : null);
}
}
