$ git clone -n https://src.fedoraproject.org/rpms/sdlhack.git /var/lib/mock/f40-build-804876-144637/root/chroot_tmpdir/scmroot/sdlhack
Cloning into '/var/lib/mock/f40-build-804876-144637/root/chroot_tmpdir/scmroot/sdlhack'...
$ git fetch origin 1d833b87d20f43ea5afd068ff87666dd98622f74:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sdlhack
 * [new ref]         1d833b87d20f43ea5afd068ff87666dd98622f74 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1d833b8 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild