38 lines
841 B
Go
38 lines
841 B
Go
// Package config loads only non-sensitive RemLink YAML configuration.
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package config
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import (
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"errors"
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"fmt"
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"io"
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"os"
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"gopkg.in/yaml.v3"
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)
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func decodeStrict(path string, target any) error {
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file, err := os.Open(path)
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if err != nil {
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return fmt.Errorf("open config %q: %w", path, err)
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}
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defer file.Close()
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decoder := yaml.NewDecoder(file)
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decoder.KnownFields(true)
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if err := decoder.Decode(target); err != nil {
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if errors.Is(err, io.EOF) {
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return fmt.Errorf("config %q is empty", path)
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}
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return fmt.Errorf("decode config %q: %w", path, err)
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}
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var extra any
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if err := decoder.Decode(&extra); !errors.Is(err, io.EOF) {
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if err != nil {
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return fmt.Errorf("decode trailing YAML document in %q: %w", path, err)
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}
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return fmt.Errorf("config %q must contain exactly one YAML document", path)
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}
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return nil
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}
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