复制项目

tools/yamlfmt/main.go

@@ -0,0 +1,72 @@
+// 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, 0o666)
+		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()
+}