$ git clone -n https://src.fedoraproject.org/rpms/perl-Sendmail-PMilter.git /var/lib/mock/f45-build-26192-616/root/chroot_tmpdir/scmroot/perl-Sendmail-PMilter
Cloning into '/var/lib/mock/f45-build-26192-616/root/chroot_tmpdir/scmroot/perl-Sendmail-PMilter'...
$ git fetch origin ccfb9aa8578f074905e94f582478b01cb519a65a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Sendmail-PMilter
 * [new ref]         ccfb9aa8578f074905e94f582478b01cb519a65a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ccfb9aa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild