GitHub Copilot CLI Fails to Fix Code Issues

I've been trying out GitHub Copilot CLI today, and no matter how many hints I dropped, including providing it an example of working code from another project, it kept saying that its code was correct and that any issue was external to the project. So I looked at the code and wow, what a mess. I identified the problem (and some other things that needed tidying) and wrote the following to Copilot: > i can still see usage of the ENV vars as well as a hard-coded redirect uri in the code when we should be now using rails credentials -- secondly, you're calling the get_token_set_from_callback wrong because you should be passing it the whole params object not just the code param It then fixed the issue that it was adamant didn't exist! Unfortunately I encountered another issue immediately after where it was trying to call a non-existent method, even though it previously researched the library. This is just one example of a repeated scenario I've encountered after getting Copilot to "one shot" an app for me. The bug-fixing is shots ad nauseam. Re models used: I created the app with Claude Opus 4.6, ran out of credits fixing bugs and switched to the free GPT-4.1, and hit the brick wall above. I have to say, the AI model companies definitely created a money-spinner!

Try to bribe it with more money/tokens 😆 Imagine if THAT works!

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