// Updates the specified package in projects
private IEnumerable <Resolver.PackageAction> ResolveActionsToUpdateOnePackage(string id, SemanticVersion version, IEnumerable <IProjectManager> projectManagers,
bool projectNameSpecified)
{
var packageManager = projectManagers.First().PackageManager;
var oldPackage = projectNameSpecified ?
FindPackageToUpdate(id, version, packageManager, projectManagers.First()) :
FindPackageToUpdate(id, version, packageManager, projectManagers, Logger);
if (oldPackage.Item2 == null)
{
// we're updating a solution level package
var package = packageManager.SourceRepository.FindPackage(
id, version, AllowPrereleaseVersions, allowUnlisted: false);
if (package == null)
{
Logger.Log(MessageLevel.Info, VsResources.NoUpdatesAvailable, id);
return(Enumerable.Empty <Resolver.PackageAction>());
}
Resolver.AddOperation(PackageAction.Update, package, new NullProjectManager(packageManager));
}
else
{
AddUpdateOperations(
id,
version,
projectManagers);
}
return(Resolver.ResolveActions());
}
void AddUnsafeUpdateOperation(
string id,
SemanticVersion version,
bool targetVersionSetExplicitly,
IProjectManager projectManager)
{
var oldPackage = projectManager.LocalRepository.FindPackage(id);
if (oldPackage == null)
{
return;
}
Logger.Log(MessageLevel.Debug, NuGetResources.Debug_LookingForUpdates, id);
var package = projectManager.PackageManager.SourceRepository.FindPackage(
id, version,
projectManager.ConstraintProvider,
AllowPrereleaseVersions,
allowUnlisted: false);
// 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,
projectManager.Project.ProjectName);
Resolver.AddOperation(PackageAction.Install, package, projectManager);
}
else
{
throw new Exception(String.Format(NuGetResources.InvalidVersionString, version.ToString()));
}
// Display message that no updates are available.
IVersionSpec constraint = projectManager.ConstraintProvider.GetConstraint(package.Id);
if (constraint != null)
{
Logger.Log(MessageLevel.Info, NuGetResources.Log_ApplyingConstraints, package.Id, VersionUtility.PrettyPrint(constraint),
projectManager.ConstraintProvider.Source);
}
Logger.Log(
MessageLevel.Info,
NuGetResources.Log_NoUpdatesAvailableForProject,
package.Id,
projectManager.Project.ProjectName);
}
void AddUnsafeUpdateOperation(
string id,
SemanticVersion version,
bool targetVersionSetExplicitly,
IProjectManager projectManager)
{
Logger.Log(MessageLevel.Debug, NuGetResources.Debug_LookingForUpdates, id);
var package = projectManager.PackageManager.SourceRepository.FindPackage(
id, version,
projectManager.ConstraintProvider,
AllowPrereleaseVersions,
allowUnlisted: false);
if (package != null)
{
Logger.Log(MessageLevel.Info, NuGetResources.Log_UpdatingPackages,
package.Id,
package.Version,
projectManager.Project.ProjectName);
Resolver.AddOperation(PackageAction.Install, package, projectManager);
}
else
{
throw new Exception(String.Format(NuGetResources.InvalidVersionString, version.ToString()));
}
// Display message that no updates are available.
IVersionSpec constraint = projectManager.ConstraintProvider.GetConstraint(package.Id);
if (constraint != null)
{
Logger.Log(MessageLevel.Info, NuGetResources.Log_ApplyingConstraints, package.Id, VersionUtility.PrettyPrint(constraint),
projectManager.ConstraintProvider.Source);
}
Logger.Log(
MessageLevel.Info,
NuGetResources.Log_NoUpdatesAvailableForProject,
package.Id,
projectManager.Project.ProjectName);
}
// Add update operations to the resolver
private void AddUpdateOperations(
string id,
SemanticVersion version,
IEnumerable <IProjectManager> projectManagers)
{
if (!Safe)
{
// Update to latest version
foreach (var projectManager in projectManagers)
{
AddUnsafeUpdateOperation(
id,
version,
version != null,
projectManager);
}
}
else
{
// safe update
foreach (var projectManager in projectManagers)
{
IPackage installedPackage = projectManager.LocalRepository.FindPackage(id);
if (installedPackage == null)
{
continue;
}
var safeRange = VersionUtility.GetSafeRange(installedPackage.Version);
var package = projectManager.PackageManager.SourceRepository.FindPackage(
id,
safeRange,
projectManager.ConstraintProvider,
AllowPrereleaseVersions,
allowUnlisted: false);
Resolver.AddOperation(PackageAction.Install, package, projectManager);
}
}
}