$ git clone -n https://src.fedoraproject.org/rpms/R-jose.git /var/lib/mock/f40-build-1542475-23937/root/chroot_tmpdir/scmroot/R-jose
Cloning into '/var/lib/mock/f40-build-1542475-23937/root/chroot_tmpdir/scmroot/R-jose'...
$ git fetch origin cc512e87e6596dd5ba39e0feee51b9846f86cbce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-jose
 * [new ref]         cc512e87e6596dd5ba39e0feee51b9846f86cbce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cc512e8 remove problematic test