$ git clone -n https://src.fedoraproject.org/rpms/byebyebios.git /var/lib/mock/f42-build-side-1-3517576-46098/root/chroot_tmpdir/scmroot/byebyebios
Cloning into '/var/lib/mock/f42-build-side-1-3517576-46098/root/chroot_tmpdir/scmroot/byebyebios'...
$ git fetch origin 8e79367bdaf22d6a6eef778e8a9d31c7cc8e22a3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/byebyebios
 * [new ref]         8e79367bdaf22d6a6eef778e8a9d31c7cc8e22a3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e79367 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild