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Another real-world argument for why I always say git is worth learning properly.

Had to track a really weird bug down today. Had no idea where it came from, how long it'd been in the code and hadn't the foggiest what was causing it. Realistically it could have been introduced any time in the last year or two, and that's tens of thousands of commits in this repo.

Git to the rescue. Knocked up a quick script to test the case in question, fed it into "git bisect run", and 30 seconds later git found the exact (small) commit that caused the issue.

It's a brilliant part of git, yet it seems like almost no-one I know uses it. Some use "git bisect", but using "git bisect run" and passing a script to it seems to be alien to most - yet it's probably my most used tool when it comes to tracking down bugs like these.

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