$ git clone -n https://src.fedoraproject.org/rpms/netperf.git /var/lib/mock/f40-build-2299308-56615/root/chroot_tmpdir/scmroot/netperf
Cloning into '/var/lib/mock/f40-build-2299308-56615/root/chroot_tmpdir/scmroot/netperf'...
$ git fetch origin 9eba67b3b7a19b16797868ddb1b2de31017df14a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netperf
 * [new ref]         9eba67b3b7a19b16797868ddb1b2de31017df14a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9eba67b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild