git-send-email.perl: ensure $domain is defined before using it
valid_fqdn() may attempt to operate on an undefined value if Net::Domain::domainname fails to determine the domain name. This causes perl to emit unpleasant warnings. So, add a check for whether $domain has been defined before using it. Signed-off-by: NBrandon Casey <drafnel@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
Showing
想要评论请 注册 或 登录