$ git clone -n https://src.fedoraproject.org/rpms/obserware.git /var/lib/mock/f41-build-side-1-2752237-31164/root/chroot_tmpdir/scmroot/obserware
Cloning into '/var/lib/mock/f41-build-side-1-2752237-31164/root/chroot_tmpdir/scmroot/obserware'...
$ git fetch origin e2462cf8d79931e8c81eca1f16895049665c370e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/obserware
 * [new ref]         e2462cf8d79931e8c81eca1f16895049665c370e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2462cf convert GPLv3+ license to SPDX