$ git clone -n https://src.fedoraproject.org/rpms/rsh.git /var/lib/mock/f45-build-34684-690/root/chroot_tmpdir/scmroot/rsh
Cloning into '/var/lib/mock/f45-build-34684-690/root/chroot_tmpdir/scmroot/rsh'...
$ git fetch origin 7e269472e23024c89a0a99f9a28b5f5caad6e87e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsh
 * [new ref]         7e269472e23024c89a0a99f9a28b5f5caad6e87e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7e26947 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild