$ git clone -n https://src.fedoraproject.org/rpms/python-pycryptodomex.git /var/lib/mock/f40-build-783580-133054/root/chroot_tmpdir/scmroot/python-pycryptodomex
Cloning into '/var/lib/mock/f40-build-783580-133054/root/chroot_tmpdir/scmroot/python-pycryptodomex'...
$ git fetch origin 5af20e9ec6a3d0761d330c8a06599a72461cf504:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pycryptodomex
 * [new ref]         5af20e9ec6a3d0761d330c8a06599a72461cf504 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5af20e9 Update to 3.20.0