NixOS/nixpkgs — pull request #4788 by joachifm (2014-11-02 20:21:28+00:00)
Title: sage fixes

These patches fix metadata and updates the download URL for the sage package (see #4784).
Note that version 6.1.1 is obsolete, but version 6.3 will not build for me.
I assume 6.1.1 once did build for someone and have opted to fix the url rather
than do a version bump.