IdentifyAllPackages(
bool allowDuplicates = false,
bool enforceBamAssemblyVersions = true)
{
var packageRepos = new System.Collections.Generic.LinkedList <System.Tuple <string, PackageDefinition> >();
int reposHWM = 0;
foreach (var repo in Graph.Instance.PackageRepositories)
{
EnqueuePackageRepositoryToVisit(packageRepos, ref reposHWM, repo, null);
}
var masterDefinitionFile = GetMasterPackage();
// inject any packages from the command line into the master definition file
// and these will be defaults
var injectPackages = CommandLineProcessor.Evaluate(new Options.InjectDefaultPackage());
if (null != injectPackages)
{
foreach (var injected in injectPackages)
{
var name = injected[0];
string version = null;
if (injected.Count > 1)
{
version = injected[1].TrimStart(new [] { '-' }); // see regex in InjectDefaultPackage
}
var is_default = true;
var dependent = new System.Tuple <string, string, bool?>(name, version, is_default);
masterDefinitionFile.Dependents.AddUnique(dependent);
}
}
foreach (var repo in masterDefinitionFile.PackageRepositories)
{
EnqueuePackageRepositoryToVisit(packageRepos, ref reposHWM, repo, masterDefinitionFile);
}
// read the definition files of any package found in the package roots
var candidatePackageDefinitions = new Array <PackageDefinition>();
candidatePackageDefinitions.Add(masterDefinitionFile);
var packageReposVisited = 0;
Log.Detail("Querying package repositories...");
while (packageRepos.Count > 0)
{
var repoTuple = packageRepos.First();
packageRepos.RemoveFirst();
var repo = repoTuple.Item1;
if (!System.IO.Directory.Exists(repo))
{
var message = new System.Text.StringBuilder();
message.AppendFormat("Package repository directory {0} does not exist.", repo);
message.AppendLine();
message.AppendFormat("Repository requested from {0}", repoTuple.Item2.XMLFilename);
message.AppendLine();
throw new Exception(message.ToString());
}
// faster than System.IO.Directory.GetDirectories(repo, BamSubFolder, System.IO.SearchOption.AllDirectories);
// when there are deep directories
StringArray candidatePackageDirs = new StringArray();
var possiblePackages = System.IO.Directory.GetDirectories(repo, "*", System.IO.SearchOption.TopDirectoryOnly);
foreach (var packageDir in possiblePackages)
{
var possibleBamFolder = System.IO.Path.Combine(packageDir, BamSubFolder);
if (System.IO.Directory.Exists(possibleBamFolder))
{
candidatePackageDirs.Add(packageDir);
}
}
Graph.Instance.PackageRepositories.Add(repo);
foreach (var packageDir in candidatePackageDirs)
{
var packageDefinitionPath = GetPackageDefinitionPathname(packageDir);
// ignore any duplicates (can be found due to nested repositories)
if (null != candidatePackageDefinitions.FirstOrDefault(item => item.XMLFilename == packageDefinitionPath))
{
continue;
}
var definitionFile = new PackageDefinition(packageDefinitionPath);
definitionFile.Read();
candidatePackageDefinitions.Add(definitionFile);
foreach (var newRepo in definitionFile.PackageRepositories)
{
EnqueuePackageRepositoryToVisit(packageRepos, ref reposHWM, newRepo, definitionFile);
}
}
++packageReposVisited;
Log.DetailProgress("{0,3}%", (int)(100 * ((float)packageReposVisited / reposHWM)));
}
#if DEBUG
if (packageReposVisited != reposHWM)
{
throw new Exception("Inconsistent package repository count: {0} added, {1} visited", reposHWM, packageReposVisited);
}
#endif
// defaults come from
// - the master definition file
// - command line args (these trump the mdf)
// and only requires resolving when referenced
var packageDefinitions = new Array <PackageDefinition>();
PackageDefinition.ResolveDependencies(masterDefinitionFile, packageDefinitions, candidatePackageDefinitions);
// now resolve any duplicate names using defaults
// unless duplicates are allowed
var duplicatePackageNames = packageDefinitions.GroupBy(item => item.Name).Where(item => item.Count() > 1).Select(item => item.Key);
var uniquePackageNames = packageDefinitions.GroupBy(item => item.Name).Where(item => item.Count() == 1).Select(item => item.Key);
var versionSpeciferArgs = new Options.PackageDefaultVersion();
var packageVersionSpecifiers = CommandLineProcessor.Evaluate(versionSpeciferArgs);
if ((duplicatePackageNames.Count() > 0) && !allowDuplicates)
{
foreach (var dupName in duplicatePackageNames)
{
Log.DebugMessage("Duplicate '{0}'; total packages {1}", dupName, packageDefinitions.Count);
var duplicates = packageDefinitions.Where(item => item.Name == dupName);
var toRemove = new Array <PackageDefinition>();
var resolvedDuplicate = TryToResolveDuplicate(masterDefinitionFile, dupName, duplicates, packageDefinitions, packageVersionSpecifiers, toRemove);
Log.DebugMessage("Attempting to remove:\n\t{0}", toRemove.ToString("\n\t"));
// try removing any packages that have already been resolved
// which, in turn, can remove additional packages that have become orphaned by other removals
packageDefinitions.RemoveAll(FindPackagesToRemove(toRemove, packageDefinitions, masterDefinitionFile));
if (null != resolvedDuplicate)
{
continue;
}
// and if that has reduced the duplicates for this package down to a single version, we're good to carry on
var numDuplicates = duplicates.Count(); // this is LINQ, so it's 'live'
if (1 == numDuplicates)
{
continue;
}
// otherwise, error
var resolveErrorMessage = new System.Text.StringBuilder();
if (numDuplicates > 0)
{
resolveErrorMessage.AppendFormat("Unable to resolve to a single version of package {0}. Use --{0}.version=<version> to resolve.", dupName);
resolveErrorMessage.AppendLine();
resolveErrorMessage.AppendLine("Available versions of the package are:");
foreach (var dup in duplicates)
{
resolveErrorMessage.AppendFormat("\t{0}", dup.Version);
resolveErrorMessage.AppendLine();
}
}
else
{
resolveErrorMessage.AppendFormat("No version of package {0} has been determined to be available.", dupName);
resolveErrorMessage.AppendLine();
if (toRemove.Count() > 0)
{
resolveErrorMessage.AppendFormat("If there were any references to {0}, they may have been removed from consideration by the following packages being discarded:", dupName);
resolveErrorMessage.AppendLine();
foreach (var removed in toRemove)
{
resolveErrorMessage.AppendFormat("\t{0}", removed.FullName);
resolveErrorMessage.AppendLine();
}
}
resolveErrorMessage.AppendFormat("Please add an explicit dependency to (a version of) the {0} package either in your master package or one of its dependencies.", dupName);
resolveErrorMessage.AppendLine();
}
throw new Exception(resolveErrorMessage.ToString());
}
}
// ensure that all packages with a single version in the definition files, does not have a command line override
// that refers to a completely different version
foreach (var uniquePkgName in uniquePackageNames)
{
foreach (var versionSpecifier in packageVersionSpecifiers)
{
if (!versionSpecifier.Contains(uniquePkgName))
{
continue;
}
var versionFromDefinition = packageDefinitions.First(item => item.Name == uniquePkgName).Version;
if (versionSpecifier[1] != versionFromDefinition)
{
var noMatchMessage = new System.Text.StringBuilder();
noMatchMessage.AppendFormat("Command line version specified, {0}, could not resolve to one of the available versions of package {1}:", versionSpecifier[1], uniquePkgName);
noMatchMessage.AppendLine();
noMatchMessage.AppendFormat("\t{0}", versionFromDefinition);
noMatchMessage.AppendLine();
throw new Exception(noMatchMessage.ToString());
}
}
}
if (enforceBamAssemblyVersions)
{
// for all packages that make up this assembly, ensure that their requirements on the version of the Bam
// assemblies are upheld, prior to compiling the code
foreach (var pkgDefn in packageDefinitions)
{
pkgDefn.ValidateBamAssemblyRequirements();
}
}
Graph.Instance.SetPackageDefinitions(packageDefinitions);
}
