public void InstallDependencies(IDependencySolver dependencySolver)
{
//FIXME: We should check for all repositories, not the first one
//FileRepository rt = (FileRepository) Upfile.Repositories[0];
upfile = Upfile.Instance();
PackageList pList = PackageList.Instance();
DependencyDefinition[] dependencies = dependencySolver.SolveDependencies(upfile.Dependencies);
foreach (DependencyDefinition packageDefinition in dependencies)
{
PackageRepo result = pList.FindPackageAndRepository(packageDefinition);
if (result.Repository != null)
{
using (TemporaryDirectory td = result.Repository.DownloadPackage(result.Package))
{
InstallPackage(result.Package, td, packageDefinition);
}
}
}
}
private PackageRepo[] GetTargets(IDependencySolver solver, InstallStrategy strategy, bool updateLockfile = true)
{
DependencyDefinition[] upfileDependencies = upfile.Dependencies;
DependencyDefinition[] solvedDependencies = solver.SolveDependencies(upfileDependencies);
PackageRepo[] installableDependencies = IdentifyInstallable(solvedDependencies);
PackageRepo[] targets = new PackageRepo[0];
bool present = File.Exists(lockfilePath);
if (strategy == InstallStrategy.UPDATE_LOCKFILE || (strategy == InstallStrategy.INCOMPLETE_LOCKFILE && !present))
{
if (updateLockfile)
{
GenerateLockfile(new LockfileSnapshot
{
upfileDependencies = upfileDependencies,
installableDependencies = installableDependencies
});
}
targets = installableDependencies;
}
else if (strategy == InstallStrategy.INCOMPLETE_LOCKFILE)
{
// Case where the file does not exist is already covered
LockfileSnapshot snapshot = LoadLockfile();
DependencyDefinition[] modifiedDependencies =
upfileDependencies
.Where(def => !snapshot.upfileDependencies.Any(
d => d.Name == def.Name && d.Version == def.Version
))
.ToArray();
if (modifiedDependencies.Length == 0)
{
targets = installableDependencies;
}
else
{
// Fetch all the PackageRepo for the unmodified packages
List <PackageRepo> unmodifiableList = new List <PackageRepo>();
Queue <PackageRepo> scanningQueue = new Queue <PackageRepo>();
foreach (DependencyDefinition def in snapshot.upfileDependencies.Where(directDepency => !modifiedDependencies.Any(d => d.Name == directDepency.Name)))
{
scanningQueue.Enqueue(snapshot.installableDependencies.First(pr => pr.Package.PackageName == def.Name));
}
while (scanningQueue.Count != 0)
{
PackageRepo top = scanningQueue.Dequeue();
unmodifiableList.Add(top);
if (top.Package.Dependencies != null)
{
foreach (DependencyDefinition def in top.Package.Dependencies)
{
scanningQueue.Enqueue(snapshot.installableDependencies.First(pr => pr.Package.PackageName == def.Name));
}
}
}
PackageRepo[] unmodifiable =
snapshot.installableDependencies
.Where(pr => unmodifiableList.Any(unmodpr =>
unmodpr.Package.PackageName == pr.Package.PackageName &&
unmodpr.Package.PackageVersion == pr.Package.PackageVersion
))
.ToArray();
DependencyDefinition[] solvedModified = solver.SolveDependencies(modifiedDependencies);
DependencyDefinition[] conflicting = solvedModified.Where(def => unmodifiable.Any(pr => pr.Package.PackageName == def.Name)).ToArray();
if (conflicting.Length != 0)
{
foreach (DependencyDefinition def in conflicting)
{
if (!def.Requirement.IsMetBy(unmodifiable.First(pr => pr.Package.PackageName == def.Name).Package.PackageVersion))
{
throw new ApplicationException("Existing dependency on " + def.Name + " would be broken when installing. Please update it manually.");
}
}
solvedModified = solvedModified.Where(def => !conflicting.Contains(def)).ToArray();
}
PackageRepo[] installableModified = IdentifyInstallable(solvedModified);
targets = new PackageRepo[unmodifiable.Length + installableModified.Length];
Array.Copy(unmodifiable, targets, unmodifiable.Length);
Array.Copy(installableModified, 0, targets, unmodifiable.Length, installableModified.Length);
}
if (updateLockfile)
{
GenerateLockfile(new LockfileSnapshot
{
upfileDependencies = upfileDependencies,
installableDependencies = targets
});
}
}
else if (strategy == InstallStrategy.ONLY_LOCKFILE)
{
if (!present)
{
throw new ApplicationException("Uplift cannot install dependencies in strategy ONLY_LOCKFILE if there is no lockfile");
}
targets = LoadLockfile().installableDependencies;
}
else
{
throw new ArgumentException("Unknown install strategy: " + strategy);
}
return(targets);
}
