$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mattn-zglob.git /var/lib/mock/f45-build-12255-440/root/chroot_tmpdir/scmroot/golang-github-mattn-zglob
Cloning into '/var/lib/mock/f45-build-12255-440/root/chroot_tmpdir/scmroot/golang-github-mattn-zglob'...
$ git fetch origin 343a85652fb8afc7f58e91b602cfbe23ccf00704:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mattn-zglob
 * [new ref]         343a85652fb8afc7f58e91b602cfbe23ccf00704 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 343a856 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild