gem: 2020-03-26 -> 2020-09-22

[raboof]

Motivation for this change

Removing the need for a patch, as that PR has now been merged.

Tested with a v4l video stream mapped onto a rotating cube

Things done

• Tested using sandboxing (nix.useSandbox on NixOS, or option sandbox in nix.conf on non-NixOS linux)
• Built on platform(s)
  • NixOS
  • macOS
  • other Linux distributions
• Tested via one or more NixOS test(s) if existing and applicable for the change (look inside nixos/tests)
• Tested compilation of all pkgs that depend on this change using nix-shell -p nixpkgs-review --run "nixpkgs-review wip"
• Tested execution of all binary files (usually in ./result/bin/)
• Determined the impact on package closure size (by running nix path-info -S before and after)
• Ensured that relevant documentation is up to date
• Fits CONTRIBUTING.md.

[raboof]

/marvin opt-in
/status needs_reviewer

[marvin-mk2]

Hi! I'm an experimental bot. My goal is to guide this PR through its stages, hopefully ending with a merge. You can read up on the usage here.

[nixos-discourse]

This pull request has been mentioned on NixOS Discourse. There might be relevant details there:

https://discourse.nixos.org/t/prs-ready-for-review/3032/375

[marvin-mk2]

Reminder: Please review!

This Pull Request is awaiting review. If you are the assigned reviewer, please have a look. Try to find another reviewer if necessary. If you can't, please say so. If the status is not accurate, please change it. If nothing happens, this PR will be put back in the needs_reviewer queue in one day.

[timokau]

Looks good, thanks.