$ git clone -n https://src.fedoraproject.org/rpms/kf5-kactivities.git /var/lib/mock/f41-build-823783-153791/root/chroot_tmpdir/scmroot/kf5-kactivities
Cloning into '/var/lib/mock/f41-build-823783-153791/root/chroot_tmpdir/scmroot/kf5-kactivities'...
$ git fetch origin 7100313897dc9699f10a9b9d47979e1e162c2204:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kactivities
 * [new ref]         7100313897dc9699f10a9b9d47979e1e162c2204 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7100313 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild