Extract submodule logic out of diff_output.c:get_workdir_content

src/diff_output.c

@@ -267,18 +267,12 @@ static int get_blob_content(
 	return diff_delta_is_binary_by_content(ctxt, delta, file, map);
 }
 
-static int get_workdir_content(
+static int get_workdir_sm_content(
 	diff_context *ctxt,
-	git_diff_delta *delta,
 	git_diff_file *file,
 	git_map *map)
 {
 	int error = 0;
-	git_buf path = GIT_BUF_INIT;
-	const char *wd = git_repository_workdir(ctxt->repo);
-
-	if (file->mode == GIT_FILEMODE_COMMIT)
-	{
 	git_buf content = GIT_BUF_INIT;
 	git_submodule* sm = NULL;
 	const git_oid* sm_head = NULL;
@@ -312,7 +306,20 @@ static int get_workdir_content(
 	file->flags |= GIT_DIFF_FILE_FREE_DATA;
 
 	return 0;
-	}
+}
+
+static int get_workdir_content(
+	diff_context *ctxt,
+	git_diff_delta *delta,
+	git_diff_file *file,
+	git_map *map)
+{
+	int error = 0;
+	git_buf path = GIT_BUF_INIT;
+	const char *wd = git_repository_workdir(ctxt->repo);
+
+	if (file->mode == GIT_FILEMODE_COMMIT)
+		return get_workdir_sm_content(ctxt, file, map);
 
 	if (git_buf_joinpath(&path, wd, file->path) < 0)
 		return -1;