$ git clone -n https://src.fedoraproject.org/rpms/python-cryptography.git /var/lib/mock/f39-build-1574619-37889/root/chroot_tmpdir/scmroot/python-cryptography
Cloning into '/var/lib/mock/f39-build-1574619-37889/root/chroot_tmpdir/scmroot/python-cryptography'...
$ git fetch origin 542249a1619f44577fc4940ef17df498720f4b74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cryptography
 * [new ref]         542249a1619f44577fc4940ef17df498720f4b74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 542249a Update to 41.0.3