ref-cache: rename `add_ref()` to `add_ref_entry()`

diff --git a/submodule.h b/submodule.h
index 05ab674f069282b3d5b20ca69d9a1fe8f295879b..fce2fb64d2c6100903d9c1ce1c746a36de08d36c 100644 (file)
--- a/submodule.h
+++ b/submodule.h
@@ -81,6 +81,12 @@ extern int push_unpushed_submodules(struct sha1_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);
 
 /*
  * Prepare the "env_array" parameter of a "struct child_process" for executing
@@ -93,4 +99,12 @@ extern void prepare_submodule_repo_env(struct argv_array *out);
 extern void absorb_git_dir_into_superproject(const char *prefix,
                                             const char *path,
                                             unsigned flags);
+
+/*
+ * Return the absolute path of the working tree of the superproject, which this
+ * project is a submodule of. If this repository is not a submodule of
+ * another repository, return NULL.
+ */
+extern const char *get_superproject_working_tree(void);
+
 #endif