$ git clone -n https://src.fedoraproject.org/rpms/perl-Role-Commons.git /var/lib/mock/f45-build-25998-614/root/chroot_tmpdir/scmroot/perl-Role-Commons
Cloning into '/var/lib/mock/f45-build-25998-614/root/chroot_tmpdir/scmroot/perl-Role-Commons'...
$ git fetch origin 2a3e629a91049146e5be62dca73dc828f0a32aa1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Role-Commons
 * [new ref]         2a3e629a91049146e5be62dca73dc828f0a32aa1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a3e629 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild