$ git clone -n https://src.fedoraproject.org/rpms/linbox.git /var/lib/mock/f31-build-63478-29367/root/chroot_tmpdir/scmroot/linbox
Cloning into '/var/lib/mock/f31-build-63478-29367/root/chroot_tmpdir/scmroot/linbox'...
$ git reset --hard 3d3ce24aaebb87c4fea8fc4903b94c6177c8d681
HEAD is now at 3d3ce24 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild