$ git clone -n https://src.fedoraproject.org/rpms/perl-MooseX-AttributeHelpers.git /var/lib/mock/f45-build-25065-609/root/chroot_tmpdir/scmroot/perl-MooseX-AttributeHelpers
Cloning into '/var/lib/mock/f45-build-25065-609/root/chroot_tmpdir/scmroot/perl-MooseX-AttributeHelpers'...
$ git fetch origin 3fa7c56bc7eb180320d7a70974466c18430daa9b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-MooseX-AttributeHelpers
 * [new ref]         3fa7c56bc7eb180320d7a70974466c18430daa9b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3fa7c56 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild