feat(submodule): remove git submodule (#66)

- copy the protobuf from spark3.5 release
- update cargo.toml

core/Cargo.toml

@@ -14,7 +14,7 @@ rust-version.workspace = true
 include = [
     "build.rs",
     "src/**/*",
-    "spark/connector/connect/common/src/main/protobuf/spark/**/*",
+    "protobuf/**/*",
 ]
 
 [dependencies]

core/build.rs

@@ -1,7 +1,7 @@
 use std::fs;
 
 fn main() -> Result<(), Box<dyn std::error::Error>> {
-    let files = fs::read_dir("./spark/connector/connect/common/src/main/protobuf/spark/connect")?;
+    let files = fs::read_dir("./protobuf/spark-3.5/spark/connect/")?;
 
     let mut file_paths: Vec<String> = vec![];
 
@@ -20,10 +20,7 @@ fn main() -> Result<(), Box<dyn std::error::Error>> {
         .build_server(false)
         .build_client(true)
         .build_transport(transport)
-        .compile(
-            file_paths.as_ref(),
-            &["./spark/connector/connect/common/src/main/protobuf"],
-        )?;
+        .compile(file_paths.as_ref(), &["./protobuf/spark-3.5/"])?;
 
     Ok(())
 }

core/protobuf/spark-3.5/buf.yaml

@@ -0,0 +1,25 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+version: v1
+breaking:
+  use:
+    - FILE
+  except:
+    - FILE_SAME_GO_PACKAGE
+lint:
+  use:
+    - DEFAULT