Add package mockbob

[fionera]

Motivation for this change

Adding Mockbob as Package

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.

[danieldk]

Please change the commit message to conform to the guidelines:

https://github.com/NixOS/nixpkgs/blob/master/.github/CONTRIBUTING.md

I don't say this quickly, but I am also doubting whether it is useful to have this in nixpkgs.

[fionera]

Thanks for the Review. I just applied your requested changes. Regarding the purpose I first wanted to use nixos.rPackages.spongebob, but apparently it doesnt compile to a binary you can use from cli

[danieldk]

Thanks for making the changes. Let's see if someone finds this merge-worthy ;).

[infinisil]

Coming back to this, I don't think we should include this in nixpkgs because:

• It doesn't seem to be popular at all (no stars on github at least)
• It's not very useful, it's really only a gimmick without any real use case. In comparison, e.g. cmatrix is at least nice to look at.
• It's a rust package, which makes it a bit more expensive to build, combined with above points, I don't think it's worth the hydra resources

I'll close this because of this, but I think NUR would be a pretty good place for this instead