chore: Add copyright and license headers (#23)

* chore: Add copyright and license headers

This commit adds the Apache 2.0 license and a copyright notice to the header of all source files. This ensures that the licensing and copyright information is clearly stated within the codebase.

* cargo fmt

* fix

* fmt

* fix clippy

crates/utils/src/os/linux.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 RustFS Team
+//
+// 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 nix::sys::stat::{self, stat};
 use nix::sys::statfs::{self, FsType, statfs};
 use std::fs::File;
@@ -163,6 +177,6 @@ mod test {
         let major = 7;
         let minor = 11;
         let s = get_drive_stats(major, minor).unwrap();
-        println!("{:?}", s);
+        println!("{s:?}");
     }
 }

crates/utils/src/os/mod.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 RustFS Team
+//
+// 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.
+
 #[cfg(target_os = "linux")]
 mod linux;
 #[cfg(all(unix, not(target_os = "linux")))]

crates/utils/src/os/unix.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 RustFS Team
+//
+// 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 super::{DiskInfo, IOStats};
 use nix::sys::{stat::stat, statfs::statfs};
 use std::io::Error;

crates/utils/src/os/windows.rs

@@ -1,4 +1,17 @@
 #![allow(unsafe_code)] // TODO: audit unsafe code
+// Copyright 2024 RustFS Team
+//
+// 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 super::{DiskInfo, IOStats};
 use std::io::Error;