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// Copyright (c) Tailscale Inc & contributors
// SPDX-License-Identifier: BSD-3-Clause
package dirfs
import (
"context"
"os"
"tailscale.com/drive/driveimpl/shared"
)
// Mkdir implements webdav.FileSystem. All attempts to Mkdir a directory that
// already exists will succeed. All other attempts will fail with
// os.ErrPermission.
func (dfs *FS) Mkdir(ctx context.Context, name string, perm os.FileMode) error {
nameWithoutStaticRoot, isStaticRoot := dfs.trimStaticRoot(name)
if isStaticRoot || shared.IsRoot(name) {
// root directory already exists, consider this okay
return nil
}
child := dfs.childFor(nameWithoutStaticRoot)
if child != nil {
// child already exists, consider this okay
return nil
}
return &os.PathError{Op: "mkdir", Path: name, Err: os.ErrPermission}
}
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