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Open-IM-Server/tools/yamlfmt/yamlfmt.go

73 lines
1.8 KiB

// Copyright © 2023 OpenIM. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// OPENIM plan on prow tools
package main
import (
"flag"
"fmt"
"io"
"os"
"gopkg.in/yaml.v3"
)
func main() {
// Prow OWNERs file defines the default indent as 2 spaces.
indent := flag.Int("indent", 2, "default indent")
flag.Parse()
for _, path := range flag.Args() {
sourceYaml, err := os.ReadFile(path)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
continue
}
rootNode, err := fetchYaml(sourceYaml)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
continue
}
writer, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0666)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
continue
}
err = streamYaml(writer, indent, rootNode)
if err != nil {
fmt.Fprintf(os.Stderr, "%s: %v\n", path, err)
continue
}
}
}
func fetchYaml(sourceYaml []byte) (*yaml.Node, error) {
rootNode := yaml.Node{}
err := yaml.Unmarshal(sourceYaml, &rootNode)
if err != nil {
return nil, err
}
return &rootNode, nil
}
func streamYaml(writer io.Writer, indent *int, in *yaml.Node) error {
encoder := yaml.NewEncoder(writer)
encoder.SetIndent(*indent)
err := encoder.Encode(in)
if err != nil {
return err
}
return encoder.Close()
}