$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-Traits.git /var/lib/mock/f45-build-25141-609/root/chroot_tmpdir/scmroot/perl-MooseX-Traits
Cloning into '/var/lib/mock/f45-build-25141-609/root/chroot_tmpdir/scmroot/perl-MooseX-Traits'...
$ git fetch origin fa65c9e53ecd0c577853bdab6fdbf8956332fa84:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-Traits
 * [new ref]         fa65c9e53ecd0c577853bdab6fdbf8956332fa84 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa65c9e Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild