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55 lines
1.4 KiB
Go
55 lines
1.4 KiB
Go
/*
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* Minio Cloud Storage, (C) 2018 Minio, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"context"
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)
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// getDiskUsage walks the file tree rooted at root, calling usageFn
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// for each file or directory in the tree, including root.
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func getDiskUsage(ctx context.Context, root string, usageFn usageFunc) error {
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return walk(ctx, root+slashSeparator, usageFn)
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}
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type usageFunc func(ctx context.Context, entry string) error
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// walk recursively descends path, calling walkFn.
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func walk(ctx context.Context, path string, usageFn usageFunc) error {
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if err := usageFn(ctx, path); err != nil {
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return err
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}
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if !hasSuffix(path, slashSeparator) {
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return nil
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}
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entries, err := readDir(path)
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if err != nil {
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return usageFn(ctx, path)
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}
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for _, entry := range entries {
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fname := pathJoin(path, entry)
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if err = walk(ctx, fname, usageFn); err != nil {
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return err
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}
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}
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return nil
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}
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