before merging in essential fixes.

cmd/yamltool/parse.go

@@ -0,0 +1,26 @@
+package main
+
+import (
+	"bytes"
+	"github.com/goccy/go-yaml"
+	"os"
+)
+
+func read(file string) []byte {
+	data, err := os.ReadFile(file)
+	if err != nil {
+		panic(err)
+	}
+	return data
+}
+
+func parse(data []byte) yaml.MapSlice {
+	var result yaml.MapSlice
+	decoder := yaml.NewDecoder(bytes.NewReader(data),
+		yaml.UseOrderedMap())
+	err := decoder.Decode(&result)
+	if err != nil {
+		panic(err)
+	}
+	return result
+}