public async Task CreateInMemoryImport() {
if (_unloadCancellationToken.IsCancellationRequested) {
return;
}
using (var access = await _projectLockService.WriteLockAsync(_unloadCancellationToken)) {
// A bit odd but we have to "check it out" prior to creating it to avoid some of the validations in chk CPS
await access.CheckoutAsync(_inMemoryImportFullPath);
// Now either open or create the in-memory file. Normally Create will happen, but in
// a scenario where your project had previously failed to load for some reason, need to TryOpen
// to avoid a new reason for a project load failure
_inMemoryImport = ProjectRootElement.TryOpen(_inMemoryImportFullPath, access.ProjectCollection);
if (_inMemoryImport != null) {
// The file already exists. Scrape it out so we don’t add duplicate items.
_inMemoryImport.RemoveAllChildren();
} else {
// The project didn’t already exist, so create it, and then mark the evaluated project dirty
// so that MSBuild will notice. This step isn’t necessary if the project was already in memory.
_inMemoryImport = CreateEmptyMsBuildProject(_inMemoryImportFullPath, access.ProjectCollection);
// Note that we actually need to mark every project evaluation dirty that is already loaded.
await ReevaluateLoadedConfiguredProjects(_unloadCancellationToken, access);
}
_filesItemGroup = _inMemoryImport.AddItemGroup();
_directoriesItemGroup = _inMemoryImport.AddItemGroup();
_temporaryAddedItemGroup = _inMemoryImport.AddItemGroup();
}
}