$ git clone -n https://src.fedoraproject.org/rpms/rpm.git /var/lib/mock/f41-build-807967-145565/root/chroot_tmpdir/scmroot/rpm
Cloning into '/var/lib/mock/f41-build-807967-145565/root/chroot_tmpdir/scmroot/rpm'...
$ git fetch origin 1bee3a541e23489f73667b8f44d3ccd53fa79917:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpm
 * [new ref]         1bee3a541e23489f73667b8f44d3ccd53fa79917 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bee3a5 During the build, assert the Python modules are importable