this post was submitted on 18 Feb 2024
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Linux
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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It's probably one of the simplest things you can do with it that isn't really possible with other package managers and also doesn't require explaining any internals, I guess that's why.
I could also tell you about easily being able to build statically linked binaries or cross-compile (or both) with the same package definition without having to do any extra work, that might be more impressive.
Yeah, and neither of them considered that it might be important to deal with software written in other languages. Want to link against a C library in a Rust project? Run some tool as part of NPM build step? Screw you, install it manually from elsewhere or your build fails. The only one that I know does do this is OCaml's OPAM, which does have a lot of non-OCaml software packaged. (Also at least the latter three seem to be only for setting up the language itself. What is this, a package manager for a single package?)
Meh, Docker is kind of a joke. Sure, it solves the problem of dependencies, but in possibly the stupidest way possible bar shipping a VirtualBox image. A lot of prebuilt images are x86_64 only. It needs to run a Linux VM on Mac and Windows (tbf Nix doesn't have a native Windows version at the moment either, you need to run it in WSL, but people are working on that). So that means running at native performance on an ARM Mac, which are quite common for development I think, is out from the start. It also adds a lot of complexity to your environment due to wrapping everything in a container if you just want to have a couple tools. You don't get your nicely configured shell, other system tools, anything else inside the container. I haven't ever tried it but you probably also need special support from any IDE you want to use.
(And not to mention most Dockerfiles being absolutely not reproducible, but you can solve that... with Nix :^) )
On Linux I think you need to link ~/.local/share/applications to home-manager's share/applications. Not sure about Mac, its GUI kind of hates symlinks and Nix uses a lot of symlinks. Spotlight doesn't read anything behind symlinks at all, for example, and Launchpad resolves them so after a package update it will not pick up the new versions because it's still looking at the old path.
Unfortunately true, yeah. I also think this isn't really a problem that can be solved due to Nix being a dynamically typed language that has everything be an expression (so there's no fixed structure whatsoever) and also using lazy evaluation everywhere. Three components that all decrease the capability for useful error messages and debugging, and together… yeah it can get pretty bad.
Really? This hasn't been my experience at all. There's a couple like that, sure, like the build sandbox on Mac, but they're rare. And usually people in the community channel know a workaround :^)