Function parseStringSliceFile

env/parsers.go:253–275

parseStringSliceFile returns a parser that reads a string slice from a file. It reads the file path from CLI args (--{cliArgName}) or falls back to the env var. Each line in the file becomes an entry. Empty lines and lines starting with # are ignored.

(env string)

// It reads the file path from CLI args (--{cliArgName}) or falls back to the env var.
// Each line in the file becomes an entry. Empty lines and lines starting with # are ignored.
func parseStringSliceFile(env string) ([]string, error) {
	// If no path provided, return empty slice
	if env == "" {
		return nil, nil
	}

	content, err := os.ReadFile(env)
	if err != nil {
		return nil, fmt.Errorf("can't read file %s: %w", env, err)
	}

	result := make([]string, 0)

	for line := range strings.SplitSeq(string(content), "\n") {
		line = strings.TrimSpace(line)
		if line == "" || strings.HasPrefix(line, "#") {
			continue
		}
		result = append(result, line)
	}

	return result, nil
}

// parseURLReplacements parses URL replacements from the environment variable
func parseURLReplacements(env string) ([]URLReplacement, error) {