public static IEnumerable<Package> SupercedentPackages(this IEnumerable<Package> packageSet, Package package)
{
// DebugMessage.Invoke.WriteLine(string.Format( "Scanning for package [{0}]", package.Name.SingleItemAsEnumerable()));
// anything superceedent in the list of known packages?
Registrar.ScanForPackages(package);
return packageSet.Where(p => p.Architecture == package.Architecture &&
p.PublicKeyToken == package.PublicKeyToken &&
p.Name.Equals(package.Name, StringComparison.CurrentCultureIgnoreCase) &&
p.PolicyMinimumVersion <= package.Version &&
p.PolicyMaximumVersion >= package.Version).OrderByDescending(p => p.Version);
}
private bool CanSatisfyPackage(Package packageToSatisfy, List<Package> installQueue, List<Package> downloadQueue)
{
packageToSatisfy.CanSatisfy = false;
if (packageToSatisfy.IsInstalled) {
return packageToSatisfy.CanSatisfy = true;
}
if (!packageToSatisfy.DoNotSupercede) {
var supercedents = Registrar.InstalledPackages.SupercedentPackages(packageToSatisfy);
if (supercedents.Count() > 0) {
return true; // a supercedent package is already installed.
}
}
if (!packageToSatisfy.DoNotSupercede) {
// if told not to supercede, we won't even perform this check
packageToSatisfy.Supercedent = null;
var supercedents = Registrar.Packages.SupercedentPackages(packageToSatisfy);
if (supercedents.Count() > 0) {
if (packageToSatisfy.AllowedToSupercede) {
foreach (var supercedent in supercedents) {
if (CanSatisfyPackage(supercedent, installQueue, downloadQueue)) {
packageToSatisfy.Supercedent = supercedent;
break;
}
}
// if we have a supercedent, then this package's dependents are moot.)
if (packageToSatisfy.Supercedent != null) {
return packageToSatisfy.CanSatisfy = true;
}
}
else {
// the user hasn't specifically asked us to supercede, yet we know of
// potential supercedents. Let's force the user to make a decision.
// throw new PackageHasPotentialUpgradesException(packageToSatisfy, supercedents);
PackageManagerMessages.Invoke.PackageHasPotentialUpgrades(packageToSatisfy, supercedents);
throw new OperationCompletedBeforeResultException();
}
}
}
if (packageToSatisfy.CouldNotDownload || packageToSatisfy.PackageFailedInstall) {
return false;
}
foreach (var dependentPackage in packageToSatisfy.Dependencies) {
if (!CanSatisfyPackage(dependentPackage, installQueue, downloadQueue)) {
return false;
}
}
if (!packageToSatisfy.HasLocalFile) {
if (downloadQueue != null) {
downloadQueue.Add(packageToSatisfy);
}
}
else {
if (installQueue != null) {
installQueue.Add(packageToSatisfy);
}
}
return packageToSatisfy.CanSatisfy = true;
}
/// <summary>
/// This generates a list of files that need to be installed to sastisy a given package.
/// </summary>
/// <param name="package"></param>
/// <returns></returns>
private IEnumerable<Package> GenerateInstallGraph(Package package, bool hypothetical = false)
{
if (package.IsInstalled) {
if (!package.PackageRequestData.NotifiedClientThisSupercedes) {
PackageManagerMessages.Invoke.PackageSatisfiedBy(package, package);
package.PackageRequestData.NotifiedClientThisSupercedes = true;
}
yield break;
}
var packageData = package.PackageSessionData;
if (!package.PackageSessionData.IsPotentiallyInstallable) {
yield break;
}
if (!packageData.DoNotSupercede) {
var installedSupercedents = SearchForInstalledPackages(package.Name, null, package.Architecture, package.PublicKeyToken);
if( package.PackageSessionData.IsClientSpecified || hypothetical ) {
// this means that we're talking about a requested package
// and not a dependent package and we can liberally construe supercedent
// as anything with a highger version number
installedSupercedents = (from p in installedSupercedents where p.Version > package.Version select p).OrderByDescending(p => p.Version).ToArray();
} else {
// otherwise, we're installing a dependency, and we need something compatable.
installedSupercedents = (from p in installedSupercedents
where p.InternalPackageData.PolicyMinimumVersion <= package.Version &&
p.InternalPackageData.PolicyMaximumVersion >= package.Version select p).OrderByDescending(p => p.Version).ToArray();
}
var installedSupercedent = installedSupercedents.FirstOrDefault();
if (installedSupercedent != null ) {
if (!installedSupercedent.PackageRequestData.NotifiedClientThisSupercedes) {
PackageManagerMessages.Invoke.PackageSatisfiedBy(package, installedSupercedent);
installedSupercedent.PackageRequestData.NotifiedClientThisSupercedes = true;
}
yield break; // a supercedent package is already installed.
}
// if told not to supercede, we won't even perform this check
packageData.Supercedent = null;
var supercedents = SearchForPackages(package.Name, null, package.Architecture, package.PublicKeyToken).ToArray();
if( package.PackageSessionData.IsClientSpecified || hypothetical ) {
// this means that we're talking about a requested package
// and not a dependent package and we can liberally construe supercedent
// as anything with a highger version number
supercedents = (from p in supercedents where p.Version > package.Version select p).OrderByDescending(p => p.Version).ToArray();
} else {
// otherwise, we're installing a dependency, and we need something compatable.
supercedents = (from p in supercedents
where p.InternalPackageData.PolicyMinimumVersion <= package.Version &&
p.InternalPackageData.PolicyMaximumVersion >= package.Version select p).OrderByDescending(p => p.Version).ToArray();
}
if (supercedents.Any()) {
if (packageData.AllowedToSupercede) {
foreach (var supercedent in supercedents) {
IEnumerable<Package> children;
try {
children = GenerateInstallGraph(supercedent, true);
}
catch {
// can't be satisfied with that supercedent.
// we can quietly move along here.
continue;
}
// we should tell the client that we're making a substitution.
if (!supercedent.PackageRequestData.NotifiedClientThisSupercedes) {
PackageManagerMessages.Invoke.PackageSatisfiedBy(package, supercedent);
supercedent.PackageRequestData.NotifiedClientThisSupercedes = true;
}
if( supercedent.Name == package.Name ) {
supercedent.PackageSessionData.IsClientSpecified = package.PackageSessionData.IsClientSpecified;
}
// since we got to this spot, we can assume that we can
// supercede this package with the results of the successful
// GIG call.
foreach (var child in children) {
yield return child;
}
// if we have a supercedent, then this package's dependents are moot.)
yield break;
}
}
else {
// the user hasn't specifically asked us to supercede, yet we know of
// potential supercedents. Let's force the user to make a decision.
// throw new PackageHasPotentialUpgradesException(packageToSatisfy, supercedents);
PackageManagerMessages.Invoke.PackageHasPotentialUpgrades(package, supercedents);
throw new OperationCompletedBeforeResultException();
}
}
}
if (packageData.CouldNotDownload) {
if (!hypothetical) {
PackageManagerMessages.Invoke.UnableToDownloadPackage(package);
}
throw new OperationCompletedBeforeResultException();
}
if (packageData.PackageFailedInstall) {
if (!hypothetical) {
PackageManagerMessages.Invoke.UnableToInstallPackage(package);
}
throw new OperationCompletedBeforeResultException();
}
var childrenFailed = false;
foreach( var d in package.InternalPackageData.Dependencies ) {
IEnumerable<Package> children;
try {
children = GenerateInstallGraph(d);
}
catch {
childrenFailed = true;
continue;
}
foreach (var child in children)
yield return child;
}
if(childrenFailed) {
throw new OperationCompletedBeforeResultException();
}
yield return package;
}
private static void AddPackage( Package package)
{
lock( _packages ) {
_packages.Add(package);
}
}
internal static IEnumerable<Package> ScanForPackages(Package package)
{
var feeds = _autoFeedLocations.Union(_sessionFeedLocations).Union(_systemFeedLocations);
feeds = DoNotScanLocations.Aggregate(feeds,
(current, loc) => (from feed in current where !feed.Location.IsWildcardMatch(loc) select feed));
return feeds.Aggregate(Enumerable.Empty<Package>(), (current, feed) => current.Union(feed.FindPackages(package)));
}
internal static Package GetPackage(string packagePath)
{
Package pkg;
Guid pkgGuid;
if (packagePath.Contains("*")) {
throw new PackageNotFoundException(packagePath);
}
// supports looking up by productcode/packageID.
if( packagePath[0] == '{' && Guid.TryParse(packagePath, out pkgGuid)) {
pkg = _packages.Where(package => package.ProductCode == packagePath).FirstOrDefault();
if( pkg == null ) {
// where the only thing we know is packageID.
pkg = new Package(packagePath);
AddPackage(pkg);
}
return pkg;
}
// lookup by canonical name.
var match = _canonicalFilter.Match(packagePath);
if( match.Success ) {
return GetPackage(match.Groups[1].Value, match.Groups[2].Value.VersionStringToUInt64(), match.Groups[3].Value, match.Groups[4].Value,
string.Empty);
}
// assuming at this point, it should be a filename?
var localPackagePath = Path.GetFullPath(packagePath);
if (!File.Exists(localPackagePath)) {
// could this be another representation of a package?
// not sure we ever ever get here anymore.
if (!localPackagePath.EndsWith(".msi")) {
Console.WriteLine("Trying package name with .msi appendend. Is this used?");
return GetPackage(localPackagePath + ".msi");
}
throw new PackageNotFoundException(localPackagePath);
}
var lookup = File.GetCreationTime(localPackagePath).Ticks + localPackagePath.GetHashCode();
if (_nonCoAppMSIFiles.Contains(lookup)) {
throw new InvalidPackageException(InvalidReason.NotCoAppMSI, localPackagePath);
}
lock (_packages) {
pkg = (_packages.Where(
package =>
package.HasLocalFile && package.LocalPackagePath.ContainsValue(localPackagePath))).
FirstOrDefault();
}
if (pkg != null) {
return pkg;
}
var localFolder = Path.GetDirectoryName(localPackagePath).ToLower();
// remember this place for finding packages
AddAutoFeedLocation(localFolder);
try {
var pkgDetails = CoAppMSI.GetCoAppPackageFileDetails(localPackagePath);
// try via just the package id
if (!string.IsNullOrEmpty(pkgDetails.packageId)) {
lock (_packages) {
pkg = _packages.Where(package => package.ProductCode == pkgDetails.packageId).FirstOrDefault();
}
}
// try via the cosmetic name fields
if (pkg == null) {
lock (_packages) {
pkg = (_packages.Where(package =>
package.Architecture == pkgDetails.Architecture &&
package.Version == pkgDetails.Version &&
package.PublicKeyToken == pkgDetails.PublicKeyToken &&
package.Name.Equals(pkgDetails.Name, StringComparison.CurrentCultureIgnoreCase))).FirstOrDefault();
}
}
if (pkg == null) {
pkg = new Package(pkgDetails.Name, pkgDetails.Architecture, pkgDetails.Version, pkgDetails.PublicKeyToken,
pkgDetails.packageId);
AddPackage(pkg);
}
if (string.IsNullOrEmpty(pkg.ProductCode)) {
pkg.ProductCode = pkgDetails.packageId;
}
if (pkg.Dependencies.Count == 0) {
pkg.Dependencies.AddRange((IEnumerable<Package>) pkgDetails.dependencies);
}
pkg.LocalPackagePath.Value = localPackagePath;
pkg.Assemblies.AddRange((IEnumerable<PackageAssemblyInfo>) pkgDetails.assemblies.Values);
pkg.Roles.AddRange((IEnumerable<Tuple<PackageRole, string>>) pkgDetails.roles);
pkg.PolicyMinimumVersion = pkgDetails.policy_min_version;
pkg.PolicyMaximumVersion = pkgDetails.policy_max_version;
// pkgDetails.displayName
pkg.FullDescription = pkgDetails.description;
pkg.PublishDate = DateTime.Parse(pkgDetails.publishDate);
pkg.AuthorVersion = pkgDetails.authorVersion;
pkg.CanonicalPackageLocation = pkgDetails.originalLocation;
pkg.CanonicalFeedLocation = pkgDetails.feedLocation;
pkg.Base64IconData = pkgDetails.icon;
pkg.SummaryDescription = pkgDetails.summary;
pkg.Publisher.Name = pkgDetails.publisherName;
pkg.Publisher.Url = pkgDetails.publisherUrl;
pkg.Publisher.Email = pkgDetails.publisherEmail;
pkg.packageHandler = new CoAppMSI();
return pkg;
}
catch (InvalidPackageException ipe) {
if (ipe.Reason == InvalidReason.NotCoAppMSI) {
_nonCoAppMSIFiles.Add(lookup);
}
throw;
}
}
internal static Package GetPackage(string packageName, UInt64 version,string architecture, string publicKeyToken, string packageId)
{
Package pkg;
// try via just the package id
if (!string.IsNullOrEmpty(packageId)) {
lock (_packages) {
pkg = _packages.Where(package => package.ProductCode == packageId).FirstOrDefault();
}
if (pkg != null && string.IsNullOrEmpty(pkg.Name)) {
pkg.SetPackageProperties(packageName, architecture, version, publicKeyToken);
}
if (pkg != null)
return pkg;
}
lock (_packages) {
pkg = (_packages.Where(package =>
package.Architecture == architecture &&
package.Version == version &&
package.PublicKeyToken == publicKeyToken &&
package.Name.Equals(packageName, StringComparison.CurrentCultureIgnoreCase))).FirstOrDefault();
}
if (pkg == null) {
pkg = new Package(packageName, architecture, version, publicKeyToken, packageId);
AddPackage(pkg);
}
if( !string.IsNullOrEmpty(packageId) && string.IsNullOrEmpty(pkg.ProductCode) ) {
pkg.ProductCode = packageId;
}
return pkg;
}
internal PackageSessionData(Package package) {
_package = package;
}
internal InternalPackageData(Package package) {
_package = package;
Dependencies.CollectionChanged += (x, y) => Changed();
}
internal static Package GetPackage(string packageName, ulong version, string architecture, string publicKeyToken, Guid? productCode) {
Package pkg;
// try via just the package product code
if (productCode != null) {
lock (_packages) {
pkg = _packages.Where(package => package.ProductCode == productCode).FirstOrDefault();
}
if (pkg != null) {
// if we *have* this package somewhere, but don't know its name,
// we can now fill *that* in.
if (string.IsNullOrEmpty(pkg.Name)) {
pkg.Name = packageName;
pkg.Architecture = architecture;
pkg.Version = version;
pkg.PublicKeyToken = publicKeyToken;
}
return pkg;
}
}
lock (_packages) {
pkg = (_packages.Where(package =>
package.Architecture == architecture && package.Version == version && package.PublicKeyToken == publicKeyToken &&
package.Name.Equals(packageName, StringComparison.CurrentCultureIgnoreCase))).FirstOrDefault();
// we've tried finding it a couple of ways, and got back nothing for our trouble.
// we'll create an package with the details we have, and pass that back.
if (pkg == null) {
pkg = new Package(packageName, architecture, version, publicKeyToken, productCode);
_packages.Add(pkg);
}
}
// if we did find a package and its product code was empty, we can fill that in now if we have it.
if (productCode !=null && pkg.ProductCode == null) {
pkg.ProductCode = productCode;
}
return pkg;
}
internal static Package GetPackageFromCanonicalName(string canonicalName) {
lock (_packages) {
var packageName = PackageName.Parse(canonicalName);
if (packageName.IsFullMatch) {
var pkg = _packages.Where(package => package.CanonicalName == canonicalName).FirstOrDefault();
if (pkg == null) {
// where the only thing we know is canonical Name.
pkg = new Package(packageName.Name, packageName.Arch, packageName.Version.VersionStringToUInt64(), packageName.PublicKeyToken, null);
_packages.Add(pkg);
}
return pkg;
}
}
return null; // only happens if the canonicalName isn't a canonicalName.
}
internal static Package GetPackageFromProductCode(Guid? productCode) {
if (productCode != null ) {
lock (_packages) {
var pkg = _packages.Where(package => package.ProductCode == productCode).FirstOrDefault();
if (pkg == null) {
// where the only thing we know is product code.
pkg = new Package(productCode);
_packages.Add(pkg);
}
return pkg;
}
}
return null; // only happens if the productCode isn't a guid.
}
internal PackageRequestData(Package package) {
_package = package;
}
public CompositionRule(Package package)
{
_package = package;
}
public bool IsAnUpgradeFor(Package olderPackage) {
return
IsSameFamily(olderPackage) &&
Version > olderPackage.Version &&
!(InternalPackageData.PolicyMinimumVersion <= olderPackage.Version &&
InternalPackageData.PolicyMaximumVersion >= olderPackage.Version);
}
public bool IsSameFamily(Package olderPackage) {
return Name == olderPackage.Name &&
Architecture == olderPackage.Architecture &&
PublicKeyToken == olderPackage.PublicKeyToken;
}
