$ git clone -n https://src.fedoraproject.org/rpms/perl-Data-Validate-Domain.git /var/lib/mock/f45-build-23057-595/root/chroot_tmpdir/scmroot/perl-Data-Validate-Domain
Cloning into '/var/lib/mock/f45-build-23057-595/root/chroot_tmpdir/scmroot/perl-Data-Validate-Domain'...
$ git fetch origin 4a55c8bd7af7d7a6b51e095e6bb9235368ed88dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Data-Validate-Domain
 * [new ref]         4a55c8bd7af7d7a6b51e095e6bb9235368ed88dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a55c8b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild