!VRULIdgoKmKPzJZzjj:nixos.org

Nix Hackers

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For people hacking on the Nix package manager itself194 Servers

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23 Sep 2025
@sinan:sinanmohd.comsinan changed their profile picture.02:47:54
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@xokdvium:matrix.orgSergei Zimmerman (xokdvium)

Doesn't this look like a binutils bug? At least this is very suspicious:

assertion fail ../../bfd/elf-sframe.c:140

20:31:21
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)libbfd is broken? https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=bfd/elf-sframe.c;h=2cb732c3016f80c11f0bb77d1ce54ae2f3a2121d;hb=HEAD#l14020:33:18
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24 Sep 2025
@joerg:thalheim.ioMic92
In reply to @xokdvium:matrix.org
I had a pretty crazy idea. How about we defined the workflow matrix in Nix? GHA can read a dynamically generated matrix from JSON. That would make stuff much easier
All the implementation i found so far do not respect dependencies between jobs and also do not deduplicate aliases. They work okay for simpler flakes but get too slow for larger ones.
07:24:45
@joerg:thalheim.ioMic92They also should skip workflow steps that have been already build and do instantiation and building in two steps to reclaim memory 07:26:26
@joerg:thalheim.ioMic92You are also limited to 50 flake outputs07:27:04
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)
In reply to @joerg:thalheim.io
All the implementation i found so far do not respect dependencies between jobs and also do not deduplicate aliases. They work okay for simpler flakes but get too slow for larger ones.
I was thinking of doing something a bit coarse-grained and manual. Like building with/without sanitizers in separate jobs and define that in nix. Not per-output splitting
07:28:42
@joerg:thalheim.ioMic92That's more reasonable 07:28:58
@xokdvium:matrix.orgSergei Zimmerman (xokdvium) That would help a bit with system -> runner os translation that blocks us from adding aarch64–Linux to gha 07:30:08
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)It’s a bit haphazard atm07:30:29
25 Sep 2025
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