$ git clone -n https://src.fedoraproject.org/rpms/plasma-bigscreen.git /var/lib/mock/f40-build-2301308-56774/root/chroot_tmpdir/scmroot/plasma-bigscreen
Cloning into '/var/lib/mock/f40-build-2301308-56774/root/chroot_tmpdir/scmroot/plasma-bigscreen'...
$ git fetch origin 6b0eb9477c296e20e7abebb4a32596ea1251266e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-bigscreen
 * [new ref]         6b0eb9477c296e20e7abebb4a32596ea1251266e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b0eb94 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild