perf: add a comparison test of log --grep regex engines with -F

diff --git a/submodule.h b/submodule.h
index 486371d2c34a9397d9f075f052cbae774ad662e7..1277480add48140c6bf8c6cbc51cb962e27637ae 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -98,6 +98,12 @@ extern int push_unpushed_submodules(struct oid_array *commits,
                                    int dry_run);
 extern void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir);
 extern int parallel_submodules(void);
+/*
+ * Given a submodule path (as in the index), return the repository
+ * path of that submodule in 'buf'. Return -1 on error or when the
+ * submodule is not initialized.
+ */
+int submodule_to_gitdir(struct strbuf *buf, const char *submodule);
 
 #define SUBMODULE_MOVE_HEAD_DRY_RUN (1<<0)
 #define SUBMODULE_MOVE_HEAD_FORCE   (1<<1)