Merge pull request #1746 from libgit2/rename-detection-performance

Rename detection slow

1 files changed, 5 insertions, 12 deletions

diff --git a/src/diff_file.c b/src/diff_file.c
index 9d06daafa..bcfef13cd 100644
--- a/src/diff_file.c
+++ b/src/diff_file.c
@@ -241,19 +241,9 @@ static int diff_file_content_load_blob(git_diff_file_content *fc)
 
 	/* if we don't know size, try to peek at object header first */
 	if (!fc->file->size) {
-		git_odb *odb;
-		size_t len;
-		git_otype type;
-
-		if (!(error = git_repository_odb__weakptr(&odb, fc->repo))) {
-			error = git_odb__read_header_or_object(
-				&odb_obj, &len, &type, odb, &fc->file->oid);
-			git_odb_free(odb);
-		}
-		if (error)
+		if ((error = git_diff_file__resolve_zero_size(
+				fc->file, &odb_obj, fc->repo)) < 0)
 			return error;
-
-		fc->file->size = len;
 	}
 
 	if (diff_file_content_binary_by_size(fc))
@@ -417,6 +407,9 @@ int git_diff_file_content__load(git_diff_file_content *fc)
 
 void git_diff_file_content__unload(git_diff_file_content *fc)
 {
+	if ((fc->flags & GIT_DIFF_FLAG__LOADED) == 0)
+		return;
+
 	if (fc->flags & GIT_DIFF_FLAG__FREE_DATA) {
 		git__free(fc->map.data);
 		fc->map.data = "";