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-rw-r--r--vendor/github.com/cyphar/filepath-securejoin/vfs.go41
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diff --git a/vendor/github.com/cyphar/filepath-securejoin/vfs.go b/vendor/github.com/cyphar/filepath-securejoin/vfs.go
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--- a/vendor/github.com/cyphar/filepath-securejoin/vfs.go
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-// Copyright (C) 2017 SUSE LLC. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE file.
-
-package securejoin
-
-import "os"
-
-// In future this should be moved into a separate package, because now there
-// are several projects (umoci and go-mtree) that are using this sort of
-// interface.
-
-// VFS is the minimal interface necessary to use SecureJoinVFS. A nil VFS is
-// equivalent to using the standard os.* family of functions. This is mainly
-// used for the purposes of mock testing, but also can be used to otherwise use
-// SecureJoin with VFS-like system.
-type VFS interface {
- // Lstat returns a FileInfo describing the named file. If the file is a
- // symbolic link, the returned FileInfo describes the symbolic link. Lstat
- // makes no attempt to follow the link. These semantics are identical to
- // os.Lstat.
- Lstat(name string) (os.FileInfo, error)
-
- // Readlink returns the destination of the named symbolic link. These
- // semantics are identical to os.Readlink.
- Readlink(name string) (string, error)
-}
-
-// osVFS is the "nil" VFS, in that it just passes everything through to the os
-// module.
-type osVFS struct{}
-
-// Lstat returns a FileInfo describing the named file. If the file is a
-// symbolic link, the returned FileInfo describes the symbolic link. Lstat
-// makes no attempt to follow the link. These semantics are identical to
-// os.Lstat.
-func (o osVFS) Lstat(name string) (os.FileInfo, error) { return os.Lstat(name) }
-
-// Readlink returns the destination of the named symbolic link. These
-// semantics are identical to os.Readlink.
-func (o osVFS) Readlink(name string) (string, error) { return os.Readlink(name) }