$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mohae-deepcopy.git /var/lib/mock/f45-build-12234-440/root/chroot_tmpdir/scmroot/golang-github-mohae-deepcopy
Cloning into '/var/lib/mock/f45-build-12234-440/root/chroot_tmpdir/scmroot/golang-github-mohae-deepcopy'...
$ git fetch origin db870a02643c397fe74f98ee0a8cc96d49a5dc1d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mohae-deepcopy
 * [new ref]         db870a02643c397fe74f98ee0a8cc96d49a5dc1d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db870a0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild