Implement git_submodule_set_branch.

1 files changed, 16 insertions, 0 deletions

diff --git a/include/git2/submodule.h b/include/git2/submodule.h
index 245b2a2c1..86f5fef22 100644
--- a/include/git2/submodule.h
+++ b/include/git2/submodule.h
@@ -371,6 +371,22 @@ GIT_EXTERN(int) git_submodule_resolve_url(git_buf *out, git_repository *repo, co
 GIT_EXTERN(const char *) git_submodule_branch(git_submodule *submodule);
 
 /**
+ * Set the branch for the submodule.
+ *
+ * This sets the branch in memory for the submodule. This will be used for
+ * any following submodule actions while this submodule data is in memory.
+ *
+ * After calling this, you may wish to call `git_submodule_save()` to write
+ * the changes back to the ".gitmodules" file and `git_submodule_sync()` to
+ * write the changes to the checked out submodule repository.
+ *
+ * @param submodule Pointer to the submodule object
+ * @param branch Branch that should be used for the submodule
+ * @return 0 on success, <0 on failure
+ */
+GIT_EXTERN(int) git_submodule_set_branch(git_submodule *submodule, const char *branch);
+
+/**
  * Set the URL for the submodule.
  *
  * This sets the URL in memory for the submodule. This will be used for