$ git clone -n https://src.fedoraproject.org/rpms/omniORB.git /var/lib/mock/f31-build-65143-29644/root/chroot_tmpdir/scmroot/omniORB
Cloning into '/var/lib/mock/f31-build-65143-29644/root/chroot_tmpdir/scmroot/omniORB'...
$ git reset --hard 8123d19f895a25c3df7a363d8b6201585c61558a
HEAD is now at 8123d19 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild