From e6eb3aaddfc09130904ee9c819090ea45d8bfb5d Mon Sep 17 00:00:00 2001
From: Twarit Waikar <wtwarit@gmail.com>
Date: Fri, 8 Oct 2021 05:01:00 +0530
Subject: [PATCH] Add branch creation function

---
 demo/new_script.gd               |  2 --
 godot-git-plugin/src/git_api.cpp | 15 +++++++++++++++
 godot-git-plugin/src/git_api.h   |  1 +
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/demo/new_script.gd b/demo/new_script.gd
index 072c82f..48f09f6 100644
--- a/demo/new_script.gd
+++ b/demo/new_script.gd
@@ -1,4 +1,3 @@
-change4
 extends Node
 
 
@@ -11,7 +10,6 @@ extends Node
 func _ready():
 	pass # Replace with function body.
 
-
 # Called every frame. 'delta' is the elapsed time since the previous frame.
 #func _process(delta):
 #	pass
diff --git a/godot-git-plugin/src/git_api.cpp b/godot-git-plugin/src/git_api.cpp
index c515907..29fb10b 100644
--- a/godot-git-plugin/src/git_api.cpp
+++ b/godot-git-plugin/src/git_api.cpp
@@ -35,6 +35,7 @@ void GitAPI::_register_methods() {
 	register_method("_unstage_file", &GitAPI::_unstage_file);
 	register_method("_get_previous_commits", &GitAPI::_get_previous_commits);
 	register_method("_get_branch_list", &GitAPI::_get_branch_list);
+	register_method("_create_branch", &GitAPI::_create_branch);
 	register_method("_get_current_branch_name", &GitAPI::_get_current_branch_name);
 	register_method("_checkout_branch", &GitAPI::_checkout_branch);
 	register_method("_fetch", &GitAPI::_fetch);
@@ -339,6 +340,20 @@ Array GitAPI::_get_branch_list() {
 	return branch_names;
 }
 
+void GitAPI::_create_branch(const String branch_name) {
+	git_oid head_commit_id;
+	GIT2_CALL("Could not get HEAD commit ID", 
+		git_reference_name_to_id, &head_commit_id, repo.get(), "HEAD");
+
+	git_commit_ptr head_commit;
+	GIT2_PTR("Could not lookup HEAD commit",
+		git_commit_lookup, head_commit, repo.get(), &head_commit_id);
+
+	git_reference_ptr branch_ref;
+	GIT2_PTR("Could not create branch from HEAD",
+		git_branch_create, branch_ref, repo.get(), CString(branch_name).data, head_commit.get(), 0);
+}
+
 Array GitAPI::_get_line_diff(String file_path, String text) {
 
 	git_diff_options opts = GIT_DIFF_OPTIONS_INIT;
diff --git a/godot-git-plugin/src/git_api.h b/godot-git-plugin/src/git_api.h
index 4d20df8..9729075 100644
--- a/godot-git-plugin/src/git_api.h
+++ b/godot-git-plugin/src/git_api.h
@@ -78,6 +78,7 @@ class GitAPI : public EditorVCSInterface {
 	// Endpoints
 	bool _checkout_branch(const String branch);
 	void _commit(const String message);
+	void _create_branch(const String branch_name);
 	void _discard_file(const String file_path);
 	void _fetch(const String remote, const String username, const String password);
 	Array _get_branch_list();