$ git clone -n https://src.fedoraproject.org/rpms/rust-norm.git /var/lib/mock/f45-build-43458-803/root/chroot_tmpdir/scmroot/rust-norm
Cloning into '/var/lib/mock/f45-build-43458-803/root/chroot_tmpdir/scmroot/rust-norm'...
$ git fetch origin bc001d3dede58a7cfd183fb606d52e887914751b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-norm
 * [new ref]         bc001d3dede58a7cfd183fb606d52e887914751b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bc001d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild