Is this now used by default for all queries? Should we adapt our test to also test the new nix version?

I have no idea, I tried looking in Nix code but couldn't find anything related to it. All of it appears to be code for the old behavior, but Harmonia wouldn't work for me and this endpoint missing was one of the errors.

I don't think this single endpoint would be enough to completely establish new Nix compatibility, testing new Nix versions would be a good starting point.

I've found it thanks to the discussion in the linked issue. The problem is that due to previous nix-serve usage Nix cached this line of narinfo, causing it to query a different URL for as long as the narinfo was still cached. It still isn't clear why <hash>-<name>.narinfo was being queried for other users however.

In that case, testing this with new Nix versions wouldn't actually do anything.

The issue isn't completely resolved, but I'll unmark this as draft.

@mergify queue

queue

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