$ git clone -n https://src.fedoraproject.org/rpms/fflas-ffpack.git /var/lib/mock/f39-build-1827128-41871/root/chroot_tmpdir/scmroot/fflas-ffpack
Cloning into '/var/lib/mock/f39-build-1827128-41871/root/chroot_tmpdir/scmroot/fflas-ffpack'...
$ git fetch origin c1e5082a7983f3a3d753327193a75dd39a513f19:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fflas-ffpack
 * [new ref]         c1e5082a7983f3a3d753327193a75dd39a513f19 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1e5082 Bypass CBLAS detection so that configure detects USER LAPACK