$ git clone -n https://src.fedoraproject.org/rpms/nethack.git /var/lib/mock/f40-build-799829-142606/root/chroot_tmpdir/scmroot/nethack
Cloning into '/var/lib/mock/f40-build-799829-142606/root/chroot_tmpdir/scmroot/nethack'...
$ git fetch origin 4c7a4c95272a6c35381ef79771ee629572a8c934:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nethack
 * [new ref]         4c7a4c95272a6c35381ef79771ee629572a8c934 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c7a4c9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild