$ git clone -n https://src.fedoraproject.org/rpms/perl-Net-DNSBL-Client.git /var/lib/mock/f45-build-25281-610/root/chroot_tmpdir/scmroot/perl-Net-DNSBL-Client
Cloning into '/var/lib/mock/f45-build-25281-610/root/chroot_tmpdir/scmroot/perl-Net-DNSBL-Client'...
$ git fetch origin 5c75b8162d91d052d009d2096b0dcb56dea4f516:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Net-DNSBL-Client
 * [new ref]         5c75b8162d91d052d009d2096b0dcb56dea4f516 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5c75b81 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild