go.chromium.org/luci@v0.0.0-20240309015107-7cdc2e660f33/common/data/caching/cache/hardlink_darwin.go (about)

     1  // Copyright 2022 The LUCI Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package cache
    16  
    17  import (
    18  	"golang.org/x/sys/unix"
    19  
    20  	"go.chromium.org/luci/common/errors"
    21  )
    22  
    23  func makeHardLinkOrClone(src, dst string) error {
    24  	if err := unix.Clonefile(src, dst, unix.CLONE_NOFOLLOW|unix.CLONE_NOOWNERCOPY); err != nil {
    25  		return errors.Annotate(err, "failed to call unix.Clonefile(%s, %s, CLONE_NOFOLLOW|CLONE_NOOWNERCOPY)", src, dst).Err()
    26  	}
    27  	return nil
    28  }