| 6 Apr 2026 |
 kfiz | Anybody using harmonia v3.0.0 https://github.com/nix-community/harmonia/releases/tag/harmonia-v3.0.0 with lix? They seem to be dependent on versions of the nix-daemon protocol > = 1.37. What's the version Lix is using? | 09:54:04 |
 griff | Lix uses version 1.35: https://git.lix.systems/lix-project/lix/src/branch/main/lix/libstore/worker-protocol.hh#L19 | 10:56:27 |
| kfiz | Ah. Cool. Thanks. That is unfortunate for my plans with harmonia, though. | 11:47:22 |
| griff | Yeah. As the person who wrote the removed code it also makes me sad. What did you want to do with it? | 11:48:39 |
| kfiz | just wanted to switch away from nix-serve-ng as binary-cache hoping for something a little bit more performant and ideally with less dependencies. | 11:51:12 |
|  Lotte (it/its)/Cinny (she/her) θΔ& changed their profile picture. | 13:47:25 |
| Lotte (it/its)/Cinny (she/her) θΔ& changed their profile picture. | 13:48:30 |
 drab | // This must remain 1.35 (Nix 2.18) forever in Lix, since the protocol has
// diverged in CppNix such that we cannot assign newer versions ourselves, the
// protocol is bad in design and implementation and Lix intends to replace it
// entirely.
not necessarily asking anyone to explain this to me, but if you happen to have a nice blog post somewhere discussing stuff around this topic, I'd love to read it. I'm assuming searching about the capn proto stuff is a reasonable proxy otherwise?
| 16:14:51 |
 K900 | The plan is to use something like capnproto, yes | 16:16:17 |
| K900 | Very likely literally capnproto | 16:16:18 |
 piegames | capnproto is already in the codebase, although not used for any protocols yet | 17:27:49 |
| piegames | In reply to @d-r-a-b:matrix.org
// This must remain 1.35 (Nix 2.18) forever in Lix, since the protocol has
// diverged in CppNix such that we cannot assign newer versions ourselves, the
// protocol is bad in design and implementation and Lix intends to replace it
// entirely.
not necessarily asking anyone to explain this to me, but if you happen to have a nice blog post somewhere discussing stuff around this topic, I'd love to read it. I'm assuming searching about the capn proto stuff is a reasonable proxy otherwise?
TL;DR: using monotonic version numbers is incompatible with two forks of the same protocol wanting to evolve in different directions | 17:29:44 |
 raitobezarius | it's actually used for internal facing protocols in Lix | 20:39:32 |
| raitobezarius | e.g. build-remote | 20:39:35 |
| raitobezarius | it's not using for any public facing protocols | 20:39:39 |
| raitobezarius | * it's not used for any public facing protocols | 22:34:06 |
| 7 Apr 2026 |
 Psentee | TBH I'm running Harmonia 3 with Lix, and it generally works (I haven't looked into the protocol line and just went ahead with the upgrade when it showed up in nixpkgs). I'm running only harmonia-cache, not harmonia-daemon (which supposedly replaces the cppnix daemon) | 07:52:45 |
| Psentee | * FWIW I'm running Harmonia 3 with Lix, and it generally works (I haven't looked into the protocol line and just went ahead with the upgrade when it showed up in nixpkgs). I'm running only harmonia-cache, not harmonia-daemon (which supposedly replaces the cppnix daemon) | 07:54:25 |
 zoë (she/her) | this might just be me "holding it wrong," but it seems like the :u/:use repl command is broken in 1. | 08:31:39 |
| zoë (she/her) | * this might just be me "holding it wrong," but it seems like the :u/:use repl command is broken in 2.95.1 | 08:31:47 |
| zoë (she/her) | nix-repl> :u pkgs.hello
error: whitespace between function arguments or list elements is required here. Use --extra-deprecated-features tokens-no-whitespace to disable this error
at «string»:1:41:
1| "drv: (import <nixpkgs> {}).runCommand "shell") ""
| ^
2| R""({ buildInputs = [ drv ]; } ""
| 08:32:05 |
| zoë (she/her) | * nix-repl> :u pkgs.hello
error: whitespace between function arguments or list elements is required here. Use --extra-deprecated-features tokens-no-whitespace to disable this error
at «string»:1:41:
1| "drv: (import <nixpkgs> {}).runCommand "shell") ""
| ^
2| R""({ buildInputs = [ drv ]; } ""
| 08:32:09 |
| zoë (she/her) | just checked and it seems to work in 2.94.1 | 08:34:14 |
| zoë (she/her) | i can't bisect lix right now (personal laptop is still dead, and i can't really do this on work hours ;-;), i'll just make an issue and people can tell me i'm dumb on forgejo | 08:35:27 |
| zoë (she/her) | Redacted or Malformed Event | 08:36:11 |
| zoë (she/her) | * oh wow just found #1176, which is basically the same thing but with :a, opened yesterday. what a coincidence | 08:36:30 |
| zoë (she/her) | * this might just be me "holding it wrong" since i've never used this before, but it seems like the :u/:use repl command is broken in 2.95.1 | 08:46:46 |
| zoë (she/her) | * i can't bisect lix right now (personal laptop is still dead, and i can't really do this on work hours ;-;), i'll just make an issue (edit: #1178) and people can tell me i'm dumb on forgejo | 08:47:51 |
| kfiz | I'm trying to delete a misbehaving store-path.
➜ store nix store delete /nix/store/ld2j2mq254m77hwy22pyvrs861ap1374-glibc-locales-2.42-51 --ignore-liveness
this path will be fetched (0.00 MiB download, 222.42 MiB unpacked):
/nix/store/ld2j2mq254m77hwy22pyvrs861ap1374-glibc-locales-2.42-51
0 store paths deleted, 0.00 MiB freed
error: ignore-liveness is not supported via the Lix daemon; try running the command again with `--store local` and as the user that owns the Nix store (usually root)
yet https://docs.lix.systems/manual/lix/stable/command-ref/new-cli/nix3-store-delete.html#opt-ignore-liveness . So docs probably need an update
| 10:00:11 |
| K900 | Well it does tell you what the fix is | 10:11:48 |
