$ git clone -n https://src.fedoraproject.org/rpms/fillets-ng-data.git /var/lib/mock/f40-build-1996408-44010/root/chroot_tmpdir/scmroot/fillets-ng-data
Cloning into '/var/lib/mock/f40-build-1996408-44010/root/chroot_tmpdir/scmroot/fillets-ng-data'...
$ git fetch origin fa72728614f6db881d0781fae7074eef8e0e6143:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fillets-ng-data
 * [new ref]         fa72728614f6db881d0781fae7074eef8e0e6143 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa72728 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild