net/dns/resolvd: properly handle not having "search" entries
This prevents adding an empty "search" line when no search domains are set.
@@ -60,7 +60,9 @@ func (m *resolvdManager) SetDNS(config OSConfig) error {
newSearch = append(newSearch, s.WithoutTrailingDot())
}
+ if len(newSearch) > 1 {
newResolvConf = append(newResolvConf, []byte(strings.Join(newSearch, " "))...)
+ }
err = m.fs.WriteFile(resolvConf, newResolvConf, 0644)
if err != nil {
