$ git clone -n https://src.fedoraproject.org/rpms/nyx.git /var/lib/mock/f40-build-2616533-64315/root/chroot_tmpdir/scmroot/nyx
Cloning into '/var/lib/mock/f40-build-2616533-64315/root/chroot_tmpdir/scmroot/nyx'...
$ git fetch origin 624bd93442a784ccb163cc54b0a8190cd2039043:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nyx
 * [new ref]         624bd93442a784ccb163cc54b0a8190cd2039043 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624bd93 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild