Implement addition of files to Config

include/pygit2/config.h

@@ -7,5 +7,6 @@
 
 PyObject* Config_get_global_config(void);
 PyObject* Config_get_system_config(void);
+PyObject* Config_add_file(Config *self, PyObject *args);
 
 #endif

src/pygit2/config.c

@@ -102,6 +102,25 @@ Config_get_system_config(void)
     return Config_open(path);
 }
 
+PyObject *
+Config_add_file(Config *self, PyObject *args)
+{
+    int err;
+    char *path;
+    int priority;
+
+    if (!PyArg_ParseTuple(args, "si", &path, &priority))
+        return NULL;
+
+    err = git_config_add_file_ondisk(self->config, path, priority);
+    if (err < 0) {
+        Error_set_str(err, path);
+        return NULL;
+    }
+
+    Py_RETURN_NONE;
+}
+
 PyMethodDef Config_methods[] = {
     {"get_system_config", (PyCFunction)Config_get_system_config,
      METH_NOARGS | METH_STATIC,
@@ -109,6 +128,8 @@ PyMethodDef Config_methods[] = {
     {"get_global_config", (PyCFunction)Config_get_global_config,
      METH_NOARGS | METH_STATIC,
      "Return an object representing the global configuration file."},
+    {"add_file", (PyCFunction)Config_add_file, METH_VARARGS,
+     "Add a config file instance to an existing config."},
     {NULL}
 };
 

test/test_config.py

@@ -57,6 +57,19 @@ class ConfigTest(utils.RepoTestCase):
 
         self.assertNotEqual(config_write, None)
 
+    def test_add(self):
+        config = pygit2.Config.get_global_config()
+
+        new_file = open(config_filename, "w")
+        new_file.write("[this]\n\tthat = true\n")
+        new_file.write("[something \"other\"]\n\there = false")
+        new_file.close()
+
+        config.add_file(config_filename, 0)
+
+        os.remove(config_filename)
+
+
 
 if __name__ == '__main__':
     unittest.main()