protected override void OnDependencyResolveError(PackageDependency dependency)
{
IVersionSpec spec = ConstraintProvider.GetConstraint(dependency.Id);
string message = String.Empty;
if (spec != null)
{
message = String.Format(CultureInfo.CurrentCulture, NuGetResources.AdditonalConstraintsDefined, dependency.Id, VersionUtility.PrettyPrint(spec), ConstraintProvider.Source);
}
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.UnableToResolveDependency + message, dependency));
}
private void UpdatePackageReference(string packageId, Func <IPackage> resolvePackage, bool updateDependencies, bool allowPrereleaseVersions, bool targetVersionSetExplicitly)
{
if (String.IsNullOrEmpty(packageId))
{
throw new ArgumentException(CommonResources.Argument_Cannot_Be_Null_Or_Empty, "packageId");
}
IPackage oldPackage = LocalRepository.FindPackage(packageId);
// Check to see if this package is installed
if (oldPackage == null)
{
throw new InvalidOperationException(
String.Format(CultureInfo.CurrentCulture,
NuGetResources.ProjectDoesNotHaveReference, Project.ProjectName, packageId));
}
Logger.Log(MessageLevel.Debug, NuGetResources.Debug_LookingForUpdates, packageId);
IPackage package = resolvePackage();
// the condition (allowPrereleaseVersions || targetVersionSetExplicitly || oldPackage.IsReleaseVersion() || !package.IsReleaseVersion() || oldPackage.Version < package.Version)
// is to fix bug 1574. We want to do nothing if, let's say, you have package 2.0alpha installed, and you do:
// update-package
// without specifying a version explicitly, and the feed only has version 1.0 as the latest stable version.
if (package != null &&
oldPackage.Version != package.Version &&
(allowPrereleaseVersions || targetVersionSetExplicitly || oldPackage.IsReleaseVersion() || !package.IsReleaseVersion() || oldPackage.Version < package.Version))
{
Logger.Log(MessageLevel.Info, NuGetResources.Log_UpdatingPackages, package.Id, oldPackage.Version, package.Version, Project.ProjectName);
UpdatePackageReference(package, updateDependencies, allowPrereleaseVersions);
}
else
{
IVersionSpec constraint = ConstraintProvider.GetConstraint(packageId);
if (constraint != null)
{
Logger.Log(MessageLevel.Info, NuGetResources.Log_ApplyingConstraints, packageId, VersionUtility.PrettyPrint(constraint), ConstraintProvider.Source);
}
Logger.Log(MessageLevel.Info, NuGetResources.Log_NoUpdatesAvailableForProject, packageId, Project.ProjectName);
}
}
