Overwrite arch with x86_64 in case of i386

[SimonCW]

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As discussed here: #1082

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[rdmueller]

on a windows machine, arch will return x86_64, so this mod will be fine

[rdmueller]

@mh182 please merge if you also think this is ok

[mh182]

To be honest, just looking at those 5 lines of codes, in a couple of weeks, no one is going to understand them. At least I would not.

man arch gives me arch - print machine hardware name (same as uname -m).

So if we don't provide some context with the code (and maybe a reference to ticket #1082) I would refactor the code and delete those lines in a couple of weeks.

@SimonCW So how about providing a bit of documentation and explain why we have this strange code in there?

[SimonCW]

TBH, I'm not sure whether it should be in there at all. It might be that it is just a weirdness of my config on my Mac that it outputs:

$ arch -x86_64 /bin/zsh
$ arch
i386
$ uname -m
arm64

I didn't have time to investigate on my machine or research whether this is expected behavior. Just wanted to share my solution. I can check with a few colleagues that have the same machine next week. And try to find out how reliable arch / uname is for determining architecture.

😜

[rdmueller]

So, regarding the answer of chatgpt, uname -m is the wrong thing to do and it should always reflect the hardware architecture not the one of the emulator?