54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
/*
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Copyright 2020 The Kubernetes Authors All rights reserved.
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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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http://www.apache.org/licenses/LICENSE-2.0
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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 update
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import (
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"io/ioutil"
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"os"
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"path/filepath"
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)
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// fsUpdate updates local filesystem repo files according to the given schema and data,
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// returns if the update actually changed anything, and any error occurred
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func fsUpdate(fsRoot string, schema map[string]Item, data interface{}) (changed bool, err error) {
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for path, item := range schema {
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path = filepath.Join(fsRoot, path)
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blob, err := ioutil.ReadFile(path)
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if err != nil {
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return false, err
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}
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info, err := os.Stat(path)
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if err != nil {
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return false, err
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}
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mode := info.Mode()
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item.Content = blob
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chg, err := item.apply(data)
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if err != nil {
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return false, err
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}
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if chg {
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changed = true
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}
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if err := ioutil.WriteFile(path, item.Content, mode); err != nil {
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return false, err
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}
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}
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return changed, nil
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}
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