macOS tar destroys files on Linux: I validated it in my real Railway pipeline and documented the 3 cases nobody mentions There's a Hacker News thread that resurfaced this week with 107 points about a 2024 article: tar on macOS creates archives that Linux can't extract cleanly. The community reacted the way it always does — "use GNU tar", "install gtar with Homebrew", "this has been known for years." And yeah, all of that is correct. But there's something nobody's saying: the 3 specific scenarios where this actually breaks production are not the same as each other, and each one has a different fix. I learned this the hard way — a failed deploy at 11pm that took two hours to diagnose. My thesis is that "use GNU tar" is necessary but not sufficient if you don't know exactly why your particular case is exploding.…