$ git clone -n https://src.fedoraproject.org/rpms/netperf.git /var/lib/mock/f40-build-803506-144279/root/chroot_tmpdir/scmroot/netperf
Cloning into '/var/lib/mock/f40-build-803506-144279/root/chroot_tmpdir/scmroot/netperf'...
$ git fetch origin e56778bd4f60f4e68f62a1879ccb8768231aa85a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/netperf
 * [new ref]         e56778bd4f60f4e68f62a1879ccb8768231aa85a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e56778b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild