$ git clone -n https://src.fedoraproject.org/rpms/brial.git /var/lib/mock/f40-build-780359-130935/root/chroot_tmpdir/scmroot/brial
Cloning into '/var/lib/mock/f40-build-780359-130935/root/chroot_tmpdir/scmroot/brial'...
$ git fetch origin 9a521536cb4c0a324413e165ddde7a7a16e1b9db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brial
 * [new ref]         9a521536cb4c0a324413e165ddde7a7a16e1b9db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9a52153 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild