!VRULIdgoKmKPzJZzjj:nixos.org

Nix Hackers

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For people hacking on the Nix package manager itself208 Servers

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20 May 2026
@dramforever:matrix.orgdramforeveri'm thinking about the implications of a more literal "Allow write access to binfmt_misc when using Linux kernel >= 6.7", as in the title of that lxc issue, but currently i'm inclined to think we don't want that15:08:48
@dramforever:matrix.orgdramforever you might also want to know that there's no way to add binfmt_misc interpreters for a userns, only fully replace, so theoretically you can run into problems with an inner binfmt_misc on an binfmt_misc-emulated-cross build but at that point you're stretching everything too hard 15:14:56
@dramforever:matrix.orgdramforever * you might also want to know that there's no way to add binfmt_misc interpreters for a userns, only fully replace, so theoretically you can run into problems with an inner binfmt_misc on an binfmt_misc-emulated-cross build but at that point you're stretching everything too hard (does qemu user even work for this? maybe there are less strech scenarios. idk.) 15:15:21
@dramforever:matrix.orgdramforever okay i read the actual man page and you can do the double userns dance with
unshare --map-root-user --pid --fork --load-interp ":py:E::py::$(which python3):" unshare --map-user "$(id -u)" --map-group "$(id -g)" bash
15:38:02
@dramforever:matrix.orgdramforever * okay i read the actual man page and you can do the double userns dance with something like
unshare --map-root-user --pid --fork --load-interp ":py:E::py::$(which python3):" unshare --map-user "$(id -u)" --map-group "$(id -g)" bash
15:38:13
@dramforever:matrix.orgdramforevermake of that what you will15:41:57
21 May 2026
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22 May 2026
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23 May 2026
@eveeifyeve:matrix.orgeveeifyeveHas anyone considered a pr to flake registries to make them just an array of objects that contain owner repo and type?00:48:52
@eveeifyeve:matrix.orgeveeifyeve * Has anyone considered a pr to flake registries to make them just an array of objects that contain owner, repo and type instead of what we have currently? 00:49:13
@eveeifyeve:matrix.orgeveeifyeve * Has anyone considered a pr to flake registries to make them just an array of objects that contain owner, repo and type instead of what we have currently, which IMO seems to deduplicate a lot of inputs? 00:49:46
@eveeifyeve:matrix.orgeveeifyeve * Has anyone considered a pr to flake registries to make them just an array of objects that contain owner, repo and type instead of what we have currently? Which IMO seems to deduplicate a lot of inputs that doesn't be needed? 00:50:06
@eveeifyeve:matrix.orgeveeifyeve * Has anyone considered a pr to flake registries to make them just an array of objects that contain owner, repo and type instead of what we have currently? Which IMO seems to deduplicate a lot of inputs that doesn't be needed. 00:50:08
@eveeifyeve:matrix.orgeveeifyeve * Has anyone considered a pr to flake registries to make them just an array of objects that contain owner, repo and type instead of what we have currently? Which IMO seems to deduplicate a lot of inputs that doesn't be needed like the to and from. 00:51:27
@eveeifyeve:matrix.orgeveeifyeveLike if there is no two and from, it should automatically assume that it is the to and from.00:53:47
@inclyc:matrix.orgYingchi Long changed their profile picture.11:24:21
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26 May 2026
@phanirithvij:matrix.orgphanirithvij changed their display name from loudgolem to phanirithvij.11:40:47
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@mattsturg:matrix.orgMatt Sturgeon

Sorry to cross-post, and if this is off-topic.

I'm just wondering if anyone here is able to answer my question re unsafeDiscardStringContext vs unsafeDiscardOutputDependency (and the unsafeDiscardReferences attr) in the "nix language" room?

I'm unclear on the differences, when one might choose one over the other, whether they avoid building the (un)referenced derivation, etc.

https://matrix.to/#/!tDnwWRNkmmYtMXfaZl:nixos.org/$7ed1ckmSXBR3mQyk0RXYkXZM40_Thyd_4pVtBq1S4aw?via=nixos.org&via=matrix.org&via=tchncs.de

17:01:30
@infinisil:matrix.orginfinisil(i gave an answer here: https://matrix.to/#/!tDnwWRNkmmYtMXfaZl:nixos.org/$KN92sh9o3hqm0lXJbwSKglFbi1PheX5brIZnKcGDf6s?via=matrix.org&via=tchncs.de&via=catgirl.cloud)21:15:09
27 May 2026
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28 May 2026
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