Plumbing: object, Add support for Log with filenames. Fixes #826 (#979)

plumbing: object, Add support for Log with filenames. Fixes #826

1 files changed, 13 insertions, 6 deletions

diff --git a/repository.go b/repository.go
index be1f057..62e22a6 100644
--- a/repository.go
+++ b/repository.go
@@ -965,19 +965,26 @@ func (r *Repository) Log(o *LogOptions) (object.CommitIter, error) {
 		return nil, err
 	}
 
+	var commitIter object.CommitIter
 	switch o.Order {
 	case LogOrderDefault:
-		return object.NewCommitPreorderIter(commit, nil, nil), nil
+		commitIter = object.NewCommitPreorderIter(commit, nil, nil)
 	case LogOrderDFS:
-		return object.NewCommitPreorderIter(commit, nil, nil), nil
+		commitIter = object.NewCommitPreorderIter(commit, nil, nil)
 	case LogOrderDFSPost:
-		return object.NewCommitPostorderIter(commit, nil), nil
+		commitIter = object.NewCommitPostorderIter(commit, nil)
 	case LogOrderBSF:
-		return object.NewCommitIterBSF(commit, nil, nil), nil
+		commitIter = object.NewCommitIterBSF(commit, nil, nil)
 	case LogOrderCommitterTime:
-		return object.NewCommitIterCTime(commit, nil, nil), nil
+		commitIter = object.NewCommitIterCTime(commit, nil, nil)
+	default:
+		return nil, fmt.Errorf("invalid Order=%v", o.Order)
+	}
+
+	if o.FileName == nil {
+		return commitIter, nil
 	}
-	return nil, fmt.Errorf("invalid Order=%v", o.Order)
+	return object.NewCommitFileIterFromIter(*o.FileName, commitIter), nil
 }
 
 // Tags returns all the tag References in a repository.