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Canonical's Steam Snap is Causing Headaches for Valve
(www.omgubuntu.co.uk)
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this post was submitted on 18 Jan 2024
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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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Shared components work brilliantly in a fantasy world where nothing uses new features of a library or depends on bug fixes in new versions of a library, and no library ever has releases with regressions or updates that change the API. That's not the case, though, so often there'll exist no single version of a dependency that makes all the software on your machine actually compile and be minimally buggy. If you're lucky, downstream packagers will make different packages for different versions of things they know cause this kind of problem so they can be installed side by side, or maintain a collection of patches to create a version that makes everything work even though no actual release would, but sometimes they do things like remove version range checks from CMake so things build, but don't even end up running.
Shared containers work beautifully for a lot of things, though, many programs aren't all that sensitive either. Making snaps for the tricky ones makes sense. Having snaps for all of them is ridiculous.
I can count the software requiring repo-pins on one hand on my desktop. For those, snaps make sense, replacing the need for any pins. Snaps are less confusing than pins. IMO.
It reminds me of Python programming, with requirements pinned to version ranges. Some dev-teams forget, and their apps won't work out of the box. Sometimes, software still works ten years later, if they only use the most common arguments and commands from the packages.
Snaps <==> Virtualenv.