add LogOrder, LogOptions.Order, implement Order=LogOrderCommitterTime and Order=LogOrderBSF

Signed-off-by: Saeed Rasooli <saeed.gnu@gmail.com>

1 files changed, 13 insertions, 1 deletions

diff --git a/repository.go b/repository.go
index 24d025d..98558d9 100644
--- a/repository.go
+++ b/repository.go
@@ -728,7 +728,19 @@ func (r *Repository) Log(o *LogOptions) (object.CommitIter, error) {
 		return nil, err
 	}
 
-	return object.NewCommitPreorderIter(commit, nil, nil), nil
+	switch o.Order {
+	case LogOrderDefault:
+		return object.NewCommitPreorderIter(commit, nil, nil), nil
+	case LogOrderDFS:
+		return object.NewCommitPreorderIter(commit, nil, nil), nil
+	case LogOrderDFSPost:
+		return object.NewCommitPostorderIter(commit, nil), nil
+	case LogOrderBSF:
+		return object.NewCommitIterBSF(commit, nil, nil), nil
+	case LogOrderCommitterTime:
+		return object.NewCommitIterCTime(commit, nil, nil), nil
+	}
+	return nil, fmt.Errorf("invalid Order=%v", o.Order)
 }
 
 // Tags returns all the References from Tags. This method returns all the tag