$ git clone -n https://src.fedoraproject.org/rpms/atkmm.git /var/lib/mock/f40-build-2197369-51636/root/chroot_tmpdir/scmroot/atkmm
Cloning into '/var/lib/mock/f40-build-2197369-51636/root/chroot_tmpdir/scmroot/atkmm'...
$ git fetch origin d0583379e702850dfdca0ac6faa07ef0be574630:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/atkmm
 * [new ref]         d0583379e702850dfdca0ac6faa07ef0be574630 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d058337 Migrate to SPDX license