internal static ObjectRepositoryAdd ComputeChanges_Added(IObjectRepository objectRepository, IObjectRepositorySerializer serializer, IRepository repository, PatchEntryChanges change, Func <string, string> relativeFileDataResolver)
{
// Only data file changes have to be taken into account
// Changes made to the blobs will product a 'modified' change as well
if (System.IO.Path.GetFileName(change.Path) != FileSystemStorage.DataFile)
{
return(null);
}
if (objectRepository.TryGetFromGitPath(change.Path) != null)
{
throw new NotImplementedException("Node already present in current state.");
}
var parentDataPath = change.Path.GetDataParentDataPath();
if (objectRepository.TryGetFromGitPath(parentDataPath) == null)
{
throw new NotImplementedException("Node addition while parent has been deleted in head is not supported.");
}
var @new = serializer.Deserialize(repository.Lookup <Blob>(change.Oid).GetContentStream(), relativeFileDataResolver);
var parentId = change.Path.GetDataParentId(objectRepository);
return(new ObjectRepositoryAdd(change.Path, @new, parentId));
}
private static IEnumerable <IMigration> GetCommitMigrations(IRepository repository, Commit previousCommit, Commit commit, IObjectRepositorySerializer serializer)
{
using (var changes = repository.Diff.Compare <TreeChanges>(previousCommit.Tree, commit.Tree))
{
foreach (var change in changes.Where(c => c.Path.StartsWith(FileSystemStorage.MigrationFolder, StringComparison.OrdinalIgnoreCase) && (c.Status == ChangeKind.Added || c.Status == ChangeKind.Modified)))
{
var blob = (Blob)commit[change.Path].Target;
yield return((IMigration)serializer.Deserialize(blob.GetContentStream(),
relativePath => (commit[change.Path.GetSiblingFile(relativePath)]?.Target as Blob)?.GetContentText() ?? string.Empty));
}
}
}
internal static ObjectRepositoryDelete ComputeChanges_Deleted(IObjectRepositorySerializer serializer, IRepository repository, PatchEntryChanges change, Func <string, string> relativeFileDataResolver, Func <string, IList <TreeEntryChanges> > deletionConflictProvider = null)
{
// Only data file changes have to be taken into account
// Changes made to the blobs will product a 'modified' change as well
if (System.IO.Path.GetFileName(change.Path) != FileSystemStorage.DataFile)
{
return(null);
}
var conflicts = deletionConflictProvider?.Invoke(change.Path);
if (conflicts?.Any() ?? false)
{
throw new NotImplementedException("Node deletion while children have been added or modified in head is not supported.");
}
var mergeBaseObject = serializer.Deserialize(repository.Lookup <Blob>(change.OldOid).GetContentStream(), relativeFileDataResolver);
return(new ObjectRepositoryDelete(change.Path, mergeBaseObject.Id));
}