!VRULIdgoKmKPzJZzjj:nixos.org

Nix Hackers

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For people hacking on the Nix package manager itself194 Servers

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12 Mar 2026
@artemist:nixos.devArtemis Tosini (NixOS)We were considering something somewhat related on FreeBSD at some point: configure the linuxulator in the nix sandbox runner so that we can run native linux derivations. It would be useful for bootstrapping some programming languages that only provide linux binaries (e.g. dotnet, rust on aarch64)15:10:28
@magic_rb:matrix.redalder.orgmagic_rb(Linuxulator lol, thought its something you just made up, nope its the term used by freebsd docs, lol)15:12:06
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@lisanna-dettwyler:matrix.orgLisanna If I do copyPaths(sshStore1, sshStore2, ...), will everything get funneled through the local host? Or will a connection be made from the machine hosting sshStore1 to sshStore2? 21:55:29
@xokdvium:matrix.orgSergei Zimmerman (xokdvium)
In reply to @lisanna-dettwyler:matrix.org
If I do copyPaths(sshStore1, sshStore2, ...), will everything get funneled through the local host? Or will a connection be made from the machine hosting sshStore1 to sshStore2?
The local machine will pull from store1 and push into store2.
23:55:30
@xokdvium:matrix.orgSergei Zimmerman (xokdvium) There aren’t really mechanisms for doing ssh -> ssh copies directly 23:56:10
@lisanna-dettwyler:matrix.orgLisannaok, I suppose to do that I will have to just invoke ssh-copy-closure on remote 1 to remote 223:57:01
@lisanna-dettwyler:matrix.orgLisanna* ok, I suppose to do that I will have to just invoke nix-copy-closure on remote 1 to remote 223:57:25
@lisanna-dettwyler:matrix.orgLisannathanks for clarifying <323:57:49
13 Mar 2026
@lisanna-dettwyler:matrix.orgLisanna Just checking my understanding, but there's no way with the current implementation for a build-hook to receive the full build graph (i.e. a top-level derivation with unbuilt dependencies), right? But acting like a store or a NIX_REMOTE it would? The nix client doesn't piecemeal request builds from the daemon in topological order, it just sends the full build graph, right? 18:07:47
14 Mar 2026
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15 Mar 2026
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16 Mar 2026
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17 Mar 2026
@pveierland:matrix.orgpveierlandIs there a reason why spaces are allowed in nix url fragments? https://github.com/NixOS/nix/blob/8c4534164632cdad7b9286e401034321bc5a7444/src/libutil/include/nix/util/url-parts.hh#L1406:15:11
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@xokdvium:matrix.orgSergei Zimmerman (xokdvium)
In reply to @pveierland:matrix.org
Is there a reason why spaces are allowed in nix url fragments? https://github.com/NixOS/nix/blob/8c4534164632cdad7b9286e401034321bc5a7444/src/libutil/include/nix/util/url-parts.hh#L14
Back-compat? Historical reasons? Who knows…
08:21:05
18 Mar 2026
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19 Mar 2026
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19 May 2021
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