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Nix Hackers

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19 Sep 2025
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)
In reply to @getchoo:matrix.org
i think the latter would be good to add in any case…but looking at the current workflows, it’s kinda a mess IMO
i was wondering if everyone would be ok with a major refactoring of it all? mainly just making things a proper matrix job instead of having a ton of copy-pasted individual steps and workflows?
Go for it in any case. The tests jobs could use some love.
Also it would be great to run NixOS tests with sanitizers on GHA and hydra. It’s almost wired up and just needs a proper matrix set up
07:37:05
@jaen:matrix.orgjaen Any suggestions on that? Want to continue with the rebase this weekend, but had no time to think on how to resolve that. One odd-hand idea I didn't test is that this is being specified in the devshell:
https://github.com/NixOS/experimental-nix-installer/blob/main/Cargo.toml#L74
https://github.com/NixOS/experimental-nix-installer/blob/main/flake.nix#L168
so maybe that envvar could be reused in the test? Didn't test that yet and not quite sure what the expectation of this tests is given that this profile does not exist on any of my NixOS machines — are my machines set up incorrectly or is the upstream installer making some weird assumption? Or maybe the test should create a temporary directory with a profile and pass that? Sorry if the answer is obvious, didn't really come across that particular issue before.
11:58:24
@Ericson2314:matrix.orgJohn Ericson fzakaria: https://github.com/NixOS/nix/pull/14023/files OK here is WIP thing 16:14:15
@Ericson2314:matrix.orgJohn Ericson Sergei Zimmerman (xokdvium): ^ this has one of the worst C++ errors I've every seen! 16:14:29
@Ericson2314:matrix.orgJohn EricsonI think my wrapper constructor for the std::variant class is shadowing a built-in constructor16:14:51
@Ericson2314:matrix.orgJohn Ericsonbut also the template instation trace in the diagnostic is missing16:15:11
@fzakaria:one.ems.hostfzakariawhy does it need whoelStoreView16:15:25
@Ericson2314:matrix.orgJohn Ericsonso I can't tell how things are being invoked / ultimately from what16:15:27
@Ericson2314:matrix.orgJohn Ericson for get getFSAccessor method 16:15:40
@Ericson2314:matrix.orgJohn Ericsonmaybe that should be changed so you can only ask the store for individual object source accessors16:15:55
@Ericson2314:matrix.orgJohn Ericsonbut that is a separate refactor16:15:59
@Ericson2314:matrix.orgJohn Ericsonand that also may not work16:16:03
@fzakaria:one.ems.hostfzakariaoh you merge it16:16:15

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