You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
59 lines
2.2 KiB
Go
59 lines
2.2 KiB
Go
// +build !windows
|
|
|
|
/*
|
|
Copyright (c) for portions of rename.go are held by The Go Authors, 2016 and are provided under
|
|
the BSD license.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions are
|
|
met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above
|
|
copyright notice, this list of conditions and the following disclaimer
|
|
in the documentation and/or other materials provided with the
|
|
distribution.
|
|
* Neither the name of Google Inc. nor the names of its
|
|
contributors may be used to endorse or promote products derived from
|
|
this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
package fs
|
|
|
|
import (
|
|
"os"
|
|
"syscall"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
// renameFallback attempts to determine the appropriate fallback to failed rename
|
|
// operation depending on the resulting error.
|
|
func renameFallback(err error, src, dst string) error {
|
|
// Rename may fail if src and dst are on different devices; fall back to
|
|
// copy if we detect that case. syscall.EXDEV is the common name for the
|
|
// cross device link error which has varying output text across different
|
|
// operating systems.
|
|
terr, ok := err.(*os.LinkError)
|
|
if !ok {
|
|
return err
|
|
} else if terr.Err != syscall.EXDEV {
|
|
return errors.Wrapf(terr, "link error: cannot rename %s to %s", src, dst)
|
|
}
|
|
|
|
return renameByCopy(src, dst)
|
|
}
|