private void WriteLockFile(LockFile previousLockFile,
string projectLockFilePath,
Runtime.Project project,
List <GraphItem> graphItems,
PackageRepository repository,
IEnumerable <TargetContext> contexts)
{
var resolver = new DefaultPackagePathResolver(repository.RepositoryRoot);
var previousLibraries = previousLockFile?.Libraries.ToDictionary(l => Tuple.Create(l.Name, l.Version));
var lockFile = new LockFile();
lockFile.Islocked = Lock;
// Use empty string as the key of dependencies shared by all frameworks
lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
string.Empty,
project.Dependencies.Select(x => x.LibraryRange.ToString())));
foreach (var frameworkInfo in project.GetTargetFrameworks())
{
lockFile.ProjectFileDependencyGroups.Add(new ProjectFileDependencyGroup(
frameworkInfo.FrameworkName.ToString(),
frameworkInfo.Dependencies.Select(x => x.LibraryRange.ToString())));
}
// Record all libraries used
foreach (var item in graphItems.OrderBy(x => x.Match.Library, new LibraryComparer()))
{
var library = item.Match.Library;
var packageInfo = repository.FindPackagesById(library.Name)
.FirstOrDefault(p => p.Version == library.Version);
if (packageInfo == null)
{
continue;
}
var package = packageInfo.Package;
LockFileLibrary previousLibrary = null;
previousLibraries?.TryGetValue(Tuple.Create(library.Name, library.Version), out previousLibrary);
var lockFileLib = LockFileUtils.CreateLockFileLibrary(
previousLibrary,
resolver,
package,
correctedPackageName: library.Name);
lockFile.Libraries.Add(lockFileLib);
}
var libraries = lockFile.Libraries.ToDictionary(lib => Tuple.Create(lib.Name, lib.Version));
// Add the contexts
foreach (var context in contexts)
{
var target = new LockFileTarget();
target.TargetFramework = context.RestoreContext.FrameworkName;
target.RuntimeIdentifier = context.RestoreContext.RuntimeName;
foreach (var library in context.Libraries.OrderBy(x => x, new LibraryComparer()))
{
var packageInfo = repository.FindPackagesById(library.Name)
.FirstOrDefault(p => p.Version == library.Version);
if (packageInfo == null)
{
continue;
}
var package = packageInfo.Package;
var targetLibrary = LockFileUtils.CreateLockFileTargetLibrary(
libraries[Tuple.Create(library.Name, library.Version)],
package,
context.RestoreContext,
correctedPackageName: library.Name);
target.Libraries.Add(targetLibrary);
}
lockFile.Targets.Add(target);
}
var lockFileFormat = new LockFileFormat();
lockFileFormat.Write(projectLockFilePath, lockFile);
}
private void PurgeOrphanPackages()
{
_reports.Verbose.WriteLine("Removing orphaned packages...");
// Find the packages still used by the command scripts
var applicationPackagesStillUsed = _commandsRepo.Commands
.Select(cmd => _commandsRepo.FindCommandOwner(cmd))
.Distinct();
// Get all the installed packages
var packagesRepo = new PackageRepository(
_commandsRepo.PackagesRoot,
caseSensitivePackagesName: false);
// Key = package<id, version>, Value = bool (true if used, false otherwise)
var usedPackages = packagesRepo
.GetAllPackages()
.SelectMany(pack => pack.Value)
.ToDictionary(
pack => pack,
_ => false);
var lockFileFormat = new LockFileFormat();
// Mark all the packages still in used by using the dependencies in the lock file
foreach (var applicationPackage in applicationPackagesStillUsed)
{
var appLockFileFullPath = Path.Combine(
_commandsRepo.PackagesRoot.Root,
_commandsRepo.PathResolver.GetPackageDirectory(applicationPackage.Id, applicationPackage.Version),
InstallBuilder.CommandsFolderName,
LockFileFormat.LockFileName);
if (!File.Exists(appLockFileFullPath))
{
_reports.Verbose.WriteLine("Lock file {0} not found. This package will be removed if it is not used by another application", appLockFileFullPath);
// The lock file is missing, probably the app is not installed correctly
// unless someone else is using it, we'll remove it
continue;
}
var lockFile = lockFileFormat.Read(appLockFileFullPath);
foreach (var dependency in lockFile.Libraries)
{
var dependencyPackage = new NuGet.PackageInfo(
_commandsRepo.PackagesRoot,
dependency.Name,
dependency.Version,
null,
null);
if (usedPackages.ContainsKey(dependencyPackage))
{
// Mark the dependency as used
usedPackages[dependencyPackage] = true;
}
}
}
// Now it's time to remove those unused packages
var unusedPackages = usedPackages
.Where(pack => !pack.Value)
.Select(pack => pack.Key);
foreach (var package in unusedPackages)
{
packagesRepo.RemovePackage(package);
_reports.Verbose.WriteLine("Removed orphaned package: {0} {1}", package.Id, package.Version);
}
}