$ git clone -n https://src.fedoraproject.org/rpms/python-cryptography.git /var/lib/mock/f40-build-735494-106444/root/chroot_tmpdir/scmroot/python-cryptography
Cloning into '/var/lib/mock/f40-build-735494-106444/root/chroot_tmpdir/scmroot/python-cryptography'...
$ git fetch origin bee6bfddb5dfa6a012d396b73a9ca7b76c336ed4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cryptography
 * [new ref]         bee6bfddb5dfa6a012d396b73a9ca7b76c336ed4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bee6bfd Update to 41.0.5, resolves RHBZ#2239707