ermos/hostsfile

package hostsfile

import "strings"

// Flush writes the hosts file to disk.
func (hosts *Hosts) Flush() error {
    return hosts.FlushToPath(hosts.path)
}

// FlushToPath writes the hosts file to the given path.
func (hosts *Hosts) FlushToPath(path string) error {
    var content []string

    for _, l := range hosts.rows {
        if l.host == nil {
            content = append(content, l.raw)
            continue
        }

        c, err := l.host.ToString()
        if err != nil {
            return err
        }

        content = append(content, c)
    }

    return writeFile(path, []byte(strings.Join(content, linebreak())), 0644)
}