$ git clone -n https://src.fedoraproject.org/rpms/python-cryptography.git /var/lib/mock/f40-build-2283591-55595/root/chroot_tmpdir/scmroot/python-cryptography
Cloning into '/var/lib/mock/f40-build-2283591-55595/root/chroot_tmpdir/scmroot/python-cryptography'...
$ git fetch origin 1c91adf0cdbc7fa52ae7c5e8d67160a91dce666c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cryptography
 * [new ref]         1c91adf0cdbc7fa52ae7c5e8d67160a91dce666c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c91adf Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild