Add geef_commit:tree()

c_src/commit.c

@@ -22,3 +22,25 @@ geef_commit_tree_id(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
 
 	return enif_make_binary(env, &bin);
 }
+
+ERL_NIF_TERM
+geef_commit_tree(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[])
+{
+	geef_object *obj, *tree;
+	ERL_NIF_TERM term_obj;
+
+	if (!enif_get_resource(env, argv[0], geef_object_type, (void **) &obj))
+		return enif_make_badarg(env);
+
+	tree = enif_alloc_resource(geef_object_type, sizeof(geef_object));
+
+	if (git_commit_tree((git_tree **) &tree->obj, (git_commit *) obj->obj) < 0)
+		return geef_error(env);
+
+	term_obj = enif_make_resource(env, obj);
+	enif_release_resource(obj);
+
+
+	return enif_make_tuple3(env, atoms.ok, atoms.tree, term_obj);
+
+}

c_src/commit.h

@@ -2,5 +2,6 @@
 #define GEEF_COMMIT_H
 
 ERL_NIF_TERM geef_commit_tree_id(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]);
+ERL_NIF_TERM geef_commit_tree(ErlNifEnv *env, int argc, const ERL_NIF_TERM argv[]);
 
 #endif

c_src/geef.c

@@ -98,6 +98,7 @@ static ErlNifFunc geef_funcs[] =
 	{"oid_fmt", 1, geef_oid_fmt},
 	{"oid_parse", 1, geef_oid_parse},
 	{"object_lookup", 2, geef_object_lookup},
+	{"commit_tree", 1, geef_commit_tree},
 	{"commit_tree_id", 1, geef_commit_tree_id},
 };