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Nix + dotnet

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2 Nov 2025
@emma:rory.gayEmma [it/its]oh... i didnt realise but the nupkg files are empty... lol21:17:21
3 Nov 2025
@manuelbaerenz:matrix.orgManuel Bärenz

Still trying to package my wonky project. I got a new version of the dll dependencies my partner's nuget server, and a wrapper project that depends on it as source code. I'm puzzled how to set projectFile.

  • If I omit it, I get error NU1101: Unable to find package ... on a package that should be in the dlls.If I set
18:03:55
@manuelbaerenz:matrix.orgManuel Bärenz *

Still trying to package my wonky project. I got a new version of the dll dependencies my partner's nuget server, and a wrapper project that depends on it as source code. I'm puzzled how to set projectFile.

  • If I omit it, I get error NU1101: Unable to find package ... on a package that should be in the dlls.If I set

EDITING

18:04:02
@manuelbaerenz:matrix.orgManuel Bärenz *

Still trying to package my wonky project. I got a new version of the dll dependencies my partner's nuget server, and a wrapper project that depends on it as source code. I'm puzzled how to set projectFile.

  • If I omit it, I get error NU1101: Unable to find package ... on a package that should be in the dlls.
  • If I set it to the .sln file, it errors with error MSB3202: The project file "/nix/store/wrapperProject/wrapperProject.csproj" was not found. (yes, without any hashes. probably it misinterprets paths somehow)
  • If I set it to the .csproj file, it eventually OOMs at 40 GB memory in dotnetConfigureHook
18:06:10
@manuelbaerenz:matrix.orgManuel Bärenz A basic question. The .nupkg file with the dlls that should do all the heavy lifting: Should I make a proper package out of it with buildDotnetModule, stdenv.mkDerivation or similar, and pass it to my wrapper project as buildInputs? Or is that not necessary because the dlls are on the nupkg server and should be autodetected through deps.json? 18:09:42
@manuelbaerenz:matrix.orgManuel Bärenz *

Still trying to package my wonky project. I got a new version of the dll dependencies my partner's nuget server, and a wrapper project that depends on it as source code. I'm puzzled how to set projectFile.

  1. If I omit it, I get error NU1101: Unable to find package ... on a package that should be in the dlls.
  2. If I set it to the .sln file, it errors with error MSB3202: The project file "/nix/store/wrapperProject/wrapperProject.csproj" was not found. (yes, without any hashes. probably it misinterprets paths somehow)
  3. If I set it to the .csproj file, it eventually OOMs at 40 GB memory in dotnetConfigureHook

EDIT: Nevermind 2. & 3., it seems that projectFile must be a string and not a path.

18:15:30
@gggkiller:matrix.orgGGG not necessary, it'll be detected through deps.json 20:31:40
4 Nov 2025
@emma:rory.gayEmma [it/its]hm, trying to follow the manual but it doesnt seem im able to include a project reference?02:09:28
@emma:rory.gayEmma [it/its] 
/tmp/fetch-deps-LibMatrix-1.0.0-preview.20251101-191010+9065475-dirty.QB8csD/lfp971jdzq2yfnqnyp3rhxngaj0ff50c-source/LibMatrix/LibMatrix.csproj : error NU1103: Unable to find a stable package ArcaneLibs with version (>= 0.0.0)
/tmp/fetch-deps-LibMatrix-1.0.0-preview.20251101-191010+9065475-dirty.QB8csD/lfp971jdzq2yfnqnyp3rhxngaj0ff50c-source/LibMatrix/LibMatrix.csproj : error NU1103:   - Found 89 version(s) in nuget [ Nearest version: 1.0.0-preview9938860405.f09a666 ]                                                                                                                                                                                                                     
/tmp/fetch-deps-LibMatrix-1.0.0-preview.20251101-191010+9065475-dirty.QB8csD/lfp971jdzq2yfnqnyp3rhxngaj0ff50c-source/LibMatrix/LibMatrix.csproj : error NU1103:   - Found 0 version(s) in /nix/store/aj7lxjjn3rl2bazsv9p0dfnv069j6rsq-dotnet-sdk-10.0.100-rc.2.25502.107/share/dotnet/library-packs                                                                                                                                                                       
/tmp/fetch-deps-LibMatrix-1.0.0-preview.20251101-191010+9065475-dirty.QB8csD/lfp971jdzq2yfnqnyp3rhxngaj0ff50c-source/LibMatrix/LibMatrix.csproj : error NU1103:   - Found 0 version(s) in _nix                                       
  Failed to restore /tmp/fetch-deps-LibMatrix-1.0.0-preview.20251101-191010+9065475-dirty.QB8csD/lfp971jdzq2yfnqnyp3rhxngaj0ff50c-source/LibMatrix/LibMatrix.csproj (in 1.87 sec).

getting this in the fetch-deps script

02:10:21
@emma:rory.gayEmma [it/its] fwiw i have <PackageReference Include="ArcaneLibs" Version="*" Condition=" '$(ContinuousIntegrationBuild)'=='true' "/> and projectReferences = [ arcanelibs.packages."${pkgs.stdenv.hostPlatform.system}".ArcaneLibs ]; 02:11:14
@corngood:corngood.comCorngoodDoes ArcaneLibs have a share/nuget/packages/*.nupkg?02:44:32
@corngood:corngood.comCorngood * Does ArcaneLibs have a share/nuget/packages/*.nupkg? Edit: actually it's a bit more complicated than that. It should be $out/share/nuget/packages/name/version/... If you use buildDotnetModule with packNupkg = true it'll usually do the right thing. 02:47:45
@emma:rory.gayEmma [it/its]thats what it is yes02:49:23
@emma:rory.gayEmma [it/its] https://github.com/TheArcaneBrony/ArcaneLibs/blob/master/flake.nix#L33 02:49:44
@emma:rory.gayEmma [it/its] im actually using the output of it to publish to nuget directly (give or take a little usage of the zip package) 02:50:59
@corngood:corngood.comCorngoodCan you --keep-failed and see what's in the nuget.config?03:24:31
@corngood:corngood.comCorngood I can reproduce it. There's something about the package it doesn't work, because if I add avalonia from nixpkgs with a similar sort of reference it does work. Maybe it doesn't like the way the version is written? 03:50:48
@emma:rory.gayEmma [it/its]hm, no clue, but i know this works fine with the nuget published builds04:48:11
@gradientvera:matrix.orgVera Gradient joined the room.08:34:28
@manuelbaerenz:matrix.orgManuel Bärenz

I got a fixed package from my partner and can now run it with dotnet run. I'd like to package it, but after dotnetConfigureHook I get:

Finished dotnetConfigureHook
jq: parse error: Invalid numeric literal at line 1, column 6
14:46:37
@corngood:corngood.comCorngood
In reply to @manuelbaerenz:matrix.org

I got a fixed package from my partner and can now run it with dotnet run. I'd like to package it, but after dotnetConfigureHook I get:

Finished dotnetConfigureHook
jq: parse error: Invalid numeric literal at line 1, column 6
Could you enable shell tracing and see what it's actually doing? 		15:25:29
@manuelbaerenz:matrix.orgManuel BärenzI don't know how to do that inside the nix build15:25:59
@emma:rory.gayEmma [it/its] add set -x somewhere in your hook 15:26:23
@emma:rory.gayEmma [it/its]unless thats not what corngood meant15:26:45
@corngood:corngood.comCorngood Yeah, that's what I meant. Say preConfigure = "set -x";. I just couldn't remember if there was a better way to do it with NIX_DEBUG or something, but it doesn't look like it. 15:30:17
@manuelbaerenz:matrix.orgManuel Bärenz That's a very neat trick :) it seems to fail in nuget-to-json 15:44:02
@manuelbaerenz:matrix.orgManuel BärenzBut the temporary file is gone15:44:27
@manuelbaerenz:matrix.orgManuel BärenzTo be sure, I have to run the fetch-deps helper as the very first thing, right?15:47:17
@manuelbaerenz:matrix.orgManuel BärenzWell, I guess it's possible that my partner's nuget server somehow produces invalid package directories or nuget-to-json doesn't deal with other nuget servers 16:27:01
@corngood:corngood.comCorngood I'm not sure what you mean by this. If it's failing from a jq call inside nuget-to-json, you can hack that script to set -x as well. This is using a private nuget repo? 16:30:57

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