$ git clone -n https://src.fedoraproject.org/rpms/rescene.git /var/lib/mock/f42-build-3450941-45482/root/chroot_tmpdir/scmroot/rescene
Cloning into '/var/lib/mock/f42-build-3450941-45482/root/chroot_tmpdir/scmroot/rescene'...
$ git fetch origin 4b667a6b94ff41d5e89521940367e32b8998cb9e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rescene
 * [new ref]         4b667a6b94ff41d5e89521940367e32b8998cb9e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b667a6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild