It'd be really great for the Nix project if up-to-date sources for what comes on macOS were available. Probably for MacPorts, too, and maybe even Homebrew. If

It'd be really great for the Nix project if up-to-date sources for what comes on macOS were available. Probably for MacPorts, too, and maybe even Homebrew. If source code were available for the end-user applications that come with macOS, I'd give them a try, too.