$ git clone -n https://src.fedoraproject.org/rpms/python-smart_open.git /var/lib/mock/f40-build-2232028-53319/root/chroot_tmpdir/scmroot/python-smart_open
Cloning into '/var/lib/mock/f40-build-2232028-53319/root/chroot_tmpdir/scmroot/python-smart_open'...
$ git fetch origin 1bccc8d43106255d82f3fe306c1e8fb45a509df9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-smart_open
 * [new ref]         1bccc8d43106255d82f3fe306c1e8fb45a509df9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bccc8d chore: user forgesetup instead of autosetup