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