$ git clone -n https://src.fedoraproject.org/rpms/flann.git /var/lib/mock/f31-build-67119-29988/root/chroot_tmpdir/scmroot/flann
Cloning into '/var/lib/mock/f31-build-67119-29988/root/chroot_tmpdir/scmroot/flann'...
$ git reset --hard 220166c619de8c3e56df9e1921319345bb5d0a93
HEAD is now at 220166c - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild