$ git clone -n https://src.fedoraproject.org/rpms/netsniff-ng.git /var/lib/mock/f40-build-789998-136210/root/chroot_tmpdir/scmroot/netsniff-ng
Cloning into '/var/lib/mock/f40-build-789998-136210/root/chroot_tmpdir/scmroot/netsniff-ng'...
$ git fetch origin 21cc8fb220fd4c71c13940fa8067fd903fd8b627:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netsniff-ng
 * [new ref]         21cc8fb220fd4c71c13940fa8067fd903fd8b627 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 21cc8fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild