Method GetConfig

git/gitconfig.go:38–77

GetConfig returns the entries from gitconfig. If `prefix` is provided, then only include entries in that section, which must match the at a component boundary (as defined by `configKeyMatchesPrefix()`), and strip off the prefix in the keys that are returned.

(prefix string)

// `configKeyMatchesPrefix()`), and strip off the prefix in the keys
// that are returned.
func (repo *Repository) GetConfig(prefix string) (*Config, error) {
	cmd := repo.GitCommand("config", "--list", "-z")

	out, err := cmd.Output()
	if err != nil {
		return nil, fmt.Errorf("reading git configuration: %w", err)
	}

	config := Config{
		Prefix: prefix,
	}

	for len(out) > 0 {
		keyEnd := bytes.IndexByte(out, '\n')
		if keyEnd == -1 {
			return nil, errors.New("invalid output from 'git config'")
		}
		key := string(out[:keyEnd])
		out = out[keyEnd+1:]
		valueEnd := bytes.IndexByte(out, 0)
		if valueEnd == -1 {
			return nil, errors.New("invalid output from 'git config'")
		}
		value := string(out[:valueEnd])
		out = out[valueEnd+1:]

		ok, rest := configKeyMatchesPrefix(key, prefix)
		if !ok {
			continue
		}

		entry := ConfigEntry{
			Key:   rest,
			Value: value,
		}
		config.Entries = append(config.Entries, entry)
	}

	return &config, nil
}

// FullKey returns the full gitconfig key name for the relative key
// name `key`.