$ git clone -n https://src.fedoraproject.org/rpms/perl-Perl-Critic-Lax.git /var/lib/mock/f45-build-25738-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-Lax
Cloning into '/var/lib/mock/f45-build-25738-612/root/chroot_tmpdir/scmroot/perl-Perl-Critic-Lax'...
$ git fetch origin d9241ff526fb9b1f75bd975ee64e811078daa194:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Perl-Critic-Lax
 * [new ref]         d9241ff526fb9b1f75bd975ee64e811078daa194 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9241ff Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild