package sysinfo

import (
	"fmt"
	"strings"
)

func parseOSRelease(content []byte) (map[string]string, error) {
	res := make(map[string]string)

	for _, line := range strings.Split(string(content), "\n") {
		if line == "" {
			continue
		}

		lineVals := strings.SplitN(line, "=", 2)
		if len(lineVals) != 2 {
			return nil, fmt.Errorf("impossible to split line %q", line)
		}

		if _, ok := res[lineVals[0]]; ok {
			return nil, fmt.Errorf("duplicate key %q", lineVals[0])
		}

		res[lineVals[0]] = lineVals[1]
	}

	return res, nil
}