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// Copyright 2014 Docker authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the DOCKER-LICENSE file.
package archive
import (
"os"
"path/filepath"
)
// SplitPathDirEntry splits the given path between its directory name and its
// basename by first cleaning the path but preserves a trailing "." if the
// original path specified the current directory.
func SplitPathDirEntry(path string) (dir, base string) {
cleanedPath := filepath.Clean(filepath.FromSlash(path))
if specifiesCurrentDir(path) {
cleanedPath += string(os.PathSeparator) + "."
}
return filepath.Dir(cleanedPath), filepath.Base(cleanedPath)
}
// specifiesCurrentDir returns whether the given path specifies
// a "current directory", i.e., the last path segment is `.`.
func specifiesCurrentDir(path string) bool {
return filepath.Base(path) == "."
}
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