You can roll back if you have the older version on disk if you didn’t install newer dependencies that make them incompatible with your system

I have this issue with sysd manager, the characters are all boxes in the latest flatpak

Nix installs the deps separately if they are different versions and lets you install any version, even some ancient one

Never used it, but I’m fairly sure you can’t have conflicting dependencies with pacman. If package A requires a new dependency version and package B requires an older one you can’t have both installed

Uninstall uninstalls the package. I want to use an older working version

Sometimes I just want to roll back one piece of software. Try doing that with flatpak

You need them like you need fire extinguishers

My Ubuntu LTS upgrade failed. Would have killed for a rollback

Nix, yes, because it has rollbacks

Here’s how you install Gnome in nixos

services.desktopManager.gnome.enable = true;

Here’s how you also install gdm

services.displayManager.gdm.enable = true;

It’s about remembering that you did. I have no idea what changes I’ve made to my ancient Ubuntu box so if an upgrade borks my system again I’m SOL

Also, a Nix upgrade won’t break your system, unlike Ubuntu

That doesn’t mean things can’t get better. Rust is a step in the right direction

OpenSSL has proven itself to be security issue riddled, unmaintainable, bloated. It’s only lasted so long because people had the impression it was good, but it has proven itself unreliable

Rustls can already replace OpenSSL, but maybe that’s not serious enough for you. Sure, the ring backend embeds assembly for the crypto operations, but that’s the point:

You can have a safe interface for interacting with potentially unsafe code. Do all of the memory allocation and string manipulation stuff in Rust and call out to crypto in assembly

Let’s not get too abstract. Just because Rust made its own mistakes doesn’t mean it didn’t fix the mistakes I pointed out

Serious projects have huge memory safety issues that don’t exist in Rust. More than half of security CVEs are due to the nature of C. Rust just has fewer bugs like Heartbleed because it doesn’t let you do a buffer overrun

50K? You kidding me? Our shitty shopping cart application is 300K lines of code plus html/css

It’s mostly php

I don’t use languages that can subvert the type system with null, it’s an obvious flaw

Nobody is arguing C is complex. The argument is that it’s not the optimal syntax.

For example, case statements needing breaks can cause logical issues with incorrect merges.

How about this

https://en.wikipedia.org/wiki/Unreachable_code#goto_fail_bug

The if statement not requiring brackets caused this bug. Rust fixes these issues with pattern matching and mandatory curly braces in if body statements

This is why you don’t write C, after a while this looks normal and sane

Yes, C syntax is easy understand

Oops hit the wrong key, main drive formatted

It doesn’t show me the number! I can’t just select 1080p to run my game at 1080p full screen on the iGPU because there is no number

Furthermore, I don’t even know the current resolution (but it’s too slow to run even ancient games at retina on the iGPU)

If it’s not exactly 1080p then my full screen sensitivity is different! The higher resolution means my 800 dpi feels slower

There’s an unstable channel. Because of how nix works you can mix different channel packages since deps are independent (nothing is installed system wide)