$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-Critic-PetPeeves-JTRAMMELL.git /var/lib/mock/f45-build-25735-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-PetPeeves-JTRAMMELL
Cloning into '/var/lib/mock/f45-build-25735-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-PetPeeves-JTRAMMELL'...
$ git fetch origin fff802bab4ff3a92ba49d6e80f2f6d6360b87482:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-Critic-PetPeeves-JTRAMMELL
 * [new ref]         fff802bab4ff3a92ba49d6e80f2f6d6360b87482 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fff802b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild