ci: check license header

.github/workflows/ci.yml

@@ -38,6 +38,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - uses: korandoru/hawkeye@v5
       - uses: Swatinem/rust-cache@v2
       - uses: taiki-e/install-action@v2
         with:

src/append/opentelemetry.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 tison <[email protected]>
+//
+// Licensed 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.
+
 use std::sync::Arc;
 use std::time::Duration;
 use std::time::SystemTime;

src/layout/identical.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 tison <[email protected]>
+//
+// Licensed 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.
+
 use crate::layout::Layout;
 use std::fmt::Arguments;