$ git clone -n https://src.fedoraproject.org/rpms/knetwalk.git /var/lib/mock/f40-build-1855991-24984/root/chroot_tmpdir/scmroot/knetwalk
Cloning into '/var/lib/mock/f40-build-1855991-24984/root/chroot_tmpdir/scmroot/knetwalk'...
$ git fetch origin 3860cb3037aa43406550a8631b5451aa1e6e6082:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/knetwalk
 * [new ref]         3860cb3037aa43406550a8631b5451aa1e6e6082 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3860cb3 24.05.2