$ git clone -n https://src.fedoraproject.org/rpms/plasma-activities.git /var/lib/mock/f40-build-2301297-56773/root/chroot_tmpdir/scmroot/plasma-activities
Cloning into '/var/lib/mock/f40-build-2301297-56773/root/chroot_tmpdir/scmroot/plasma-activities'...
$ git fetch origin 48a42e05e2d24d2827f2794d6f67f55d357d35f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-activities
 * [new ref]         48a42e05e2d24d2827f2794d6f67f55d357d35f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 48a42e0 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild