//returns the lock file, if it changed
async Task <string> RestorePackagesInternal(
BuildIntegratedNuGetProject project,
CancellationToken cancellationToken)
{
var now = DateTime.UtcNow;
Action <SourceCacheContext> cacheContextModifier = c => c.MaxAge = now;
var spec = await MonoDevelopDependencyGraphRestoreUtility.GetSolutionRestoreSpec(solutionManager, project, context, cancellationToken);
context.AddToCache(spec);
RestoreResult restoreResult = await DependencyGraphRestoreUtility.RestoreProjectAsync(
solutionManager,
project,
context,
new RestoreCommandProvidersCache(),
cacheContextModifier,
sourceRepositories,
Guid.NewGuid(),
context.Logger,
cancellationToken);
if (restoreResult.Success)
{
if (!object.Equals(restoreResult.LockFile, restoreResult.PreviousLockFile))
{
return(restoreResult.LockFilePath);
}
}
else
{
ReportRestoreError(restoreResult);
}
return(null);
}