$ git clone -n https://src.fedoraproject.org/rpms/knetwalk.git /var/lib/mock/f40-build-2297066-56437/root/chroot_tmpdir/scmroot/knetwalk
Cloning into '/var/lib/mock/f40-build-2297066-56437/root/chroot_tmpdir/scmroot/knetwalk'...
$ git fetch origin 0b4ef7f5ac6140a7c8cfb4b788adbd70b377dd9c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knetwalk
 * [new ref]         0b4ef7f5ac6140a7c8cfb4b788adbd70b377dd9c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b4ef7f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild