$ git clone -n https://src.fedoraproject.org/rpms/python-cryptography.git /var/lib/mock/f41-build-814780-149176/root/chroot_tmpdir/scmroot/python-cryptography
Cloning into '/var/lib/mock/f41-build-814780-149176/root/chroot_tmpdir/scmroot/python-cryptography'...
$ git fetch origin cf26149d18b4b220d2b2193340372799a1674a71:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-cryptography
 * [new ref]         cf26149d18b4b220d2b2193340372799a1674a71 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf26149 Remove unused pytest-subtests dependency