$ git clone -n https://src.fedoraproject.org/rpms/nfdump.git /var/lib/mock/f41-build-1199087-22388/root/chroot_tmpdir/scmroot/nfdump
Cloning into '/var/lib/mock/f41-build-1199087-22388/root/chroot_tmpdir/scmroot/nfdump'...
$ git fetch origin aeaa89e250c67337b734dd37ace4e6dba4ab789d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nfdump
 * [new ref]         aeaa89e250c67337b734dd37ace4e6dba4ab789d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aeaa89e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild