quiver: bump

Bump cachix/install-nix-action from 30 to 31

.github/workflows/build.yml

@@ -9,7 +9,7 @@ on:
     # rebuild everyday at 2:51
     # TIP: Choose a random time here so not all repositories are build at once:
     # https://www.random.org/clock-times/?num=1&earliest=01%3A00&latest=08%3A00&interval=5&format=html&rnd=new
-    - cron:  '51 2 * * *'
+    - cron:  '55 3 * * *'
   workflow_dispatch:
 jobs:
   tests:
@@ -36,14 +36,14 @@ jobs:
           - sydpkgs
         nixPath:
           - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixpkgs-unstable.tar.gz
-          - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-unstable.tar.gz
+          # - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-unstable.tar.gz
-          - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-24.05.tar.gz
+          # - nixpkgs=https://github.com/NixOS/nixpkgs/archive/refs/heads/nixos-24.05.tar.gz
     runs-on: ubuntu-latest
     steps:
     - name: Checkout repository
       uses: actions/checkout@v4
     - name: Install nix
-      uses: cachix/install-nix-action@v30
+      uses: cachix/install-nix-action@v31
       with:
         nix_path: "${{ matrix.nixPath }}"
         extra_nix_config: |

.gitignore

@@ -1,3 +1,5 @@
 result
 result-*
 
+
+slippi-ld-log.*

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1712449641,
+        "lastModified": 1750386251,
-        "narHash": "sha256-U9DDWMexN6o5Td2DznEgguh8TRIUnIl9levmit43GcI=",
+        "narHash": "sha256-1ovgdmuDYVo5OUC5NzdF+V4zx2uT8RtsgZahxidBTyw=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "600b15aea1b36eeb43833a50b0e96579147099ff",
+        "rev": "076e8c6678d8c54204abcb4b1b14c366835a58bb",
         "type": "github"
       },
       "original": {

flake.nix

@@ -5,19 +5,21 @@
     nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
   };
 
-  outputs = { self, nixpkgs }:
+  outputs = inputs@{ self, ... }:
     let
-      forAllSystems = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
+      lib = inputs.nixpkgs.lib;
-    in
+      forAllSystems = lib.genAttrs lib.systems.flakeExposed;
-    {
+    in {
       legacyPackages = forAllSystems (system: import ./default.nix {
-        pkgs = import nixpkgs { inherit system; };
+        pkgs = import inputs.nixpkgs { inherit system; };
       });
 
       packages =
         forAllSystems (system:
-          nixpkgs.lib.filterAttrs
+          lib.filterAttrs
-            (_: v: nixpkgs.lib.isDerivation v)
+            (_: v: lib.isDerivation v)
             self.legacyPackages.${system});
+
+      overlays.default = import ./overlay.nix;
     };
 }

overlay.nix

@@ -7,7 +7,6 @@ let
   isReserved = n: n == "lib" || n == "overlays" || n == "modules";
   nameValuePair = n: v: { name = n; value = v; };
   nurAttrs = import ./default.nix { pkgs = super; };
-
 in
 builtins.listToAttrs
   (map (n: nameValuePair n nurAttrs.${n})

pkgs/dolphin-mpn/default.nix

@@ -0,0 +1,14 @@
+{ dolphin-emu, fetchFromGitHub }:
+
+dolphin-emu.overrideAttrs (prev: final: {
+  pname = "Dolphin-MPN";
+  version = "0712d84";
+  src = fetchFromGitHub {
+    owner = "MarioPartyNetplay";
+    repo = "Dolphin-MPN";
+    rev = "0712d84c74f696791acf02df4c22e88741665da6";
+    hash = "sha256-dhcLJCQzd7a0l3AVFFVxfQ95sVql5N4e63xdvl7h9uc=";
+    fetchSubmodules = true;
+  };
+  meta.broken = true;
+})

pkgs/durdraw/default.nix

@@ -6,7 +6,12 @@
 , ansilove
 }:
 
-python3Packages.buildPythonApplication rec {
+# We use `fix` explicitly since `buildPythonApplication` rejects the typical
+#   stdenv.mkDerivation (finalAttrs: {
+#     ...
+#   })
+# syntax.
+python3Packages.buildPythonApplication (lib.fix (finalAttrs: {
   pname = "durdraw";
   version = "0.29.0";
   pyproject = true;
@@ -14,15 +19,20 @@ python3Packages.buildPythonApplication rec {
   src = fetchFromGitHub {
     owner = "cmang";
     repo = "durdraw";
-    rev = version;
+    rev = finalAttrs.version;
     hash = "sha256-a+4DGWBD5XLaNAfTN/fmI/gALe76SCoWrnjyglNhVPY=";
   };
 
-  build-system = with python3Packages; [
+  build-system = [
-    setuptools
+    python3Packages.setuptools
   ];
 
-  dependencies = [];
+  dependencies =
+    lib.optionals withGifExport finalAttrs.optional-dependencies.gif-export;
+
+  optional-dependencies.gif-export = [
+    python3Packages.pillow
+  ];
 
   nativeBuildInputs = [
     makeWrapper
@@ -34,13 +44,15 @@ python3Packages.buildPythonApplication rec {
   '';
 
   meta = {
-    changelog = "https://github.com/cmang/durdraw/releases/tag/${version}";
+    changelog =
+      "https://github.com/cmang/durdraw/releases/tag/${finalAttrs.version}";
     description = ''
       Versatile ASCII and ANSI Art text editor for drawing in the
       Linux/Unix/macOS terminal, with animation, 256 and 16 colors, Unicode and
       CP437, and customizable themes.
     '';
-    homepage = "https://github.com/cmang/durdraw/";
+    homepage = "https://durdraw.org";
     license = lib.licenses.bsd3;
+    mainProgram = "durdraw";
   };
-}
+}))

pkgs/iropke-batang/default.nix

@@ -0,0 +1,30 @@
+{ stdenvNoCC
+, fetchFromGitHub
+, lib
+}:
+
+stdenvNoCC.mkDerivation (finalAttrs: {
+  pname = "iropke-batang";
+  version = "1.2";
+  src = fetchFromGitHub {
+    owner = "iropke";
+    repo = "font-iropke-batang";
+    rev = "v${finalAttrs.version}";
+    hash = "sha256-wsu7JK0hHYn9aegaMeNV9fWvQ6KoMzHwOFWymWHYvxo=";
+  };
+
+  installPhase = ''
+    runHook preInstall
+    find . -type f -name '*.otf' \
+      -exec install -Dm644 {} -t $out/share/fonts/opentype \;
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Korean serif font";
+    homepage = "http://font.iropke.com/batang/";
+    changelog = "https://github.com/iropke/font-iropke-batang/releases";
+    license = lib.licenses.ofl;
+    platforms = lib.platforms.all;
+  };
+})

pkgs/moresampler/default.nix

@@ -0,0 +1,46 @@
+{ wine
+, stdenv
+, makeWrapper
+, lib
+}:
+
+stdenv.mkDerivation (final: {
+  pname = "moresampler";
+  version = "0.8.4";
+
+  src = ./moresampler-${final.version}.tar.gz;
+
+  nativeBuildInputs = [
+    makeWrapper
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin $out/opt/moresampler
+
+    mv moresampler.exe moreconfig.txt $out/opt/moresampler/
+
+    cat > $out/bin/moresampler << EOF
+    #!/usr/bin/env bash
+    LANG=ja_JP.UTF8 "${lib.getExe wine}" \
+      "$out/opt/moresampler/moresampler.exe" "\''${@,-1}"
+    EOF
+
+    chmod +x $out/bin/moresampler
+
+    runHook postInstall
+  '';
+
+  meta = {
+    description = "Synthesis backend for singing voice synthesis program UTAU";
+    longDescription = ''
+      Moresampler is a synthesis backend for singing voice synthesis program
+      UTAU. Literally the name suggests that Moresampler is not only a UTAU
+      resampler. In fact, it is a resampler, a wavtool and an automatic
+      voicebank configurator combined in one executable.
+    '';
+    license = lib.licenses.unfree;
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+  };
+})

pkgs/quiver/default.nix

@@ -0,0 +1,73 @@
+{ stdenv
+, fetchNpmDeps
+, fetchFromGitHub
+, fetchzip
+, fetchurl
+, lib
+, imagemagick
+, nodejs_20
+}:
+
+let
+  vendoredKatex = fetchzip {
+    url = "https://github.com/KaTeX/KaTeX/releases/download/v0.16.9/katex.zip";
+    hash = "sha256-Nca52SW4Q0P5/fllDFQEaOQyak7ojCs0ShlqJ1mWZOM=";
+  };
+  vendoredWorkbox = fetchurl {
+    url = "https://storage.googleapis.com/workbox-cdn/releases/7.0.0/workbox-window.prod.mjs";
+    hash = "sha256-YR3m/DqqF+yahPQAk/2k0yRmdoYtQNBEHsL6fQTDmlc=";
+  };
+  vendoredWorkboxMap = fetchurl {
+    url = "https://storage.googleapis.com/workbox-cdn/releases/7.0.0/workbox-window.prod.mjs.map";
+    hash = "sha256-tUBiVoiKi3OCT+wctUYl0FVnT7StsGBDx7EzculcF5I=";
+  };
+  rev = "1816fb788e4d315bf1dc30053a5e1646eb0af9b8";
+in stdenv.mkDerivation (final: {
+  pname = "quiver";
+  version = lib.substring 0 7 rev;
+  inherit vendoredKatex vendoredWorkbox vendoredWorkboxMap;
+  src = fetchFromGitHub {
+    owner = "varkor";
+    repo = "quiver";
+    inherit rev;
+    hash = "sha256-29x2x0fLemkxhv+85wPnDrrlRW2h5qJtF/QTbGa6ghE=";
+  };
+  npmDeps = fetchNpmDeps {
+    src = "${final.src}/service-worker";
+    hash = "sha256-1CdgZFvpyJFyh5x9ljTau6vrR7FeHRYZ1MG/ZOEoou8=";
+  };
+  preBuild = ''
+    cp -r $vendoredKatex src/KaTeX
+    mkdir src/Workbox
+    cp $vendoredWorkbox src/Workbox/workbox-window.prod.mjs
+    cp $vendoredWorkboxMap src/Workbox/workbox-window.prod.mjs.map
+  '';
+  buildPhase = ''
+    runHook preBuild
+    pushd service-worker
+    npm install --cache $npmDeps
+    node build.js
+    popd
+    runHook postBuild
+  '';
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/opt
+    cp -r src $out/opt/quiver
+    runHook postInstall
+  '';
+  nativeBuildInputs = [
+    imagemagick
+  ];
+  buildInputs = [
+    nodejs_20
+  ];
+  meta = {
+    description = ''
+      A modern commutative diagram editor for the web. 
+    '';
+    homepage = "https://q.uiver.app/";
+    license = lib.licenses.mit;
+    platforms = lib.platforms.unix;
+  };
+})

pkgs/slippi-launcher-bin/default.nix

@@ -0,0 +1,58 @@
+{ lib
+, appimageTools
+, fetchurl
+, fuse3
+, makeWrapper
+}:
+
+# WARNING: This package is a fucking hack!  Two things:
+#
+# - You must manually patch the Dolphin emulator installed by Slippi.  After
+#   Dolphin is installed (i.e. once the 'play' button is clickable), you must
+#   navigate to ~/.cache/appimage-run/*/apprun-hooks/linux-env.sh and
+#   delete/comment the lines modifying LD_LIBRARY_PATH.  I hope to fix this at
+#   some point, but it took me like 15 hours just to attain this bare minimum
+#   functionality, rofl.  Good luck.  Open an issue or contact me (msyds) if you
+#   need assistance.
+#
+# - Requires
+#     programs.appimage = {
+#       enable = true;
+#       binfmt = true;
+#     };
+#   in your NixOS config.  This is because Slippi tries to run the Dolphin
+#   AppImage like a normal executable.
+
+appimageTools.wrapType2 rec {
+  pname = "slippi-launcher";
+  version = "2.11.10";
+
+  src = fetchurl {
+    url = "https://github.com/project-slippi/slippi-launcher/releases/download/v${version}/Slippi-Launcher-${version}-x86_64.AppImage";
+    hash = "sha256-OrWd0jVqe6CzNbVRNlm2alt2NZ8uBYeHiASaB74ouW4=";
+  };
+
+  nativeBuildInputs = [
+    makeWrapper
+  ];
+
+  extraPkgs = pkgs: [
+    pkgs.fuse3
+  ];
+
+  extraInstallCommands = ''
+    wrapProgram $out/bin/slippi-launcher \
+      --set FUSERMOUNT_PROG "${fuse3}/bin/fusermount3" \
+      --add-flags "''${NIXOS_OZONE_WL:+''${WAYLAND_DISPLAY:+--ozone-platform-hint=auto --enable-features=WaylandWindowDecorations --enable-wayland-ime=true}}"
+  '';
+
+  # note to madddy./.. DELETE "ubuntu is stupid" LINE FROM ~/.cache/appimage-run/XXXXX/shell-hooks/a
+  meta = {
+    description = "The way to play Slippi Online and watch replays.";
+    homepage = "https://github.com/project-slippi/slippi-launcher";
+    downloadPage = "https://github.com/project-slippi/slippi-launcher/releases";
+    license = lib.licenses.gpl3;
+    sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
+    platforms = [ "x86_64-linux" ];
+  };
+}

pkgs/slippi-launcher/default.nix

@@ -0,0 +1,184 @@
+{ lib
+, fetchFromGitHub
+, electron
+, nodejs
+, makeWrapper
+, git
+, stdenv
+, yarnConfigHook
+, fetchYarnDeps
+}:
+
+# Similar derivations:
+#   - Logseq: https://github.com/NixOS/nixpkgs/blob/nixos-25.05/pkgs/by-name/lo/logseq/package.nix#L283
+#   - Podman: https://github.com/NixOS/nixpkgs/blob/224042e9a3039291f22f4f2ded12af95a616cca0/pkgs/applications/virtualization/podman-desktop/default.nix
+
+stdenv.mkDerivation (final: {
+  pname = "slippi-launcher";
+  version = "2.11.10";
+
+  src = fetchFromGitHub {
+    owner = "project-slippi";
+    repo = "slippi-launcher";
+    rev = "v${final.version}";
+    hash = "sha256-EWKxzGLjyJ15wGioUtfh3biU7Pfa5bYtV1Om2w5IZW8=";
+    leaveDotGit = true;
+  };
+
+  patches = [
+    # Dependency with git+https protocol breaks yarnConfigHook.
+    ./fix-git-deps.patch
+  ];
+
+  # Avoid network error during build.
+  # https://stackoverflow.com/questions/78004799/78004800
+  env.ELECTRON_SKIP_BINARY_DOWNLOAD = 1;
+
+  buildInputs = [
+    electron
+  ];
+
+  nativeBuildInputs = [
+    yarnConfigHook
+    nodejs
+    electron
+    git
+    makeWrapper
+  ];
+
+  # Disable the default usage of yarnConfigHook.  We instead opt to run the hook
+  # manually (several times) for reasons made clear in the commentary on this
+  # package's `postConfigure` script.
+  dontYarnInstallDeps = true;
+
+  configurePhase =
+    let
+      # Constants to be set in the .env file.  Slippi contains an example .env
+      # file here:
+      # https://github.com/project-slippi/slippi-launcher/blob/main/.env.example
+      dotenv = {
+        # N.B. although these values are *not* secrets (yes, even the API key), they
+        # were extracted from the AppImage release.
+        FIREBASE_API_KEY = "AIzaSyAuQqc_wgqcUu3FqrICEPZ9Av_hPxMR_i4";
+        FIREBASE_AUTH_DOMAIN = "slippi.firebaseapp.com";
+        FIREBASE_DATABASE_URL = "https://slippi.firebaseio.com";
+        FIREBASE_PROJECT_ID = "slippi";
+        FIREBASE_STORAGE_BUCKET = "slippi.appspot.com";
+        FIREBASE_MESSAGING_SENDER_ID = "101358986051";
+        FIREBASE_APP_ID = "1:101358986051:web:1e361ce2a76dfd1b0f85f6";
+        FIREBASE_MEASUREMENT_ID = "G-VNB1EB87Y2";
+
+        # Ditto.
+        SLIPPI_WS_SERVER = "ws://broadcast-dot-slippi.uc.r.appspot.com/";
+        SLIPPI_GRAPHQL_ENDPOINT = "/graphql";
+      };
+    in ''
+      runHook preConfigure
+
+      # For reasons I don't quite understand[1], this package is split across two
+      # `package.json` files.  We call yarnConfigHook once for each package.json
+      # to install their respective dependencies.  Each yarnConfigHook call uses a
+      # separate offline cache.
+      #
+      # [1]: https://www.electron.build/tutorials/two-package-structure.html
+      yarnOfflineCache="$yarnOfflineCacheRoot" yarnConfigHook
+
+      pushd release/app
+      yarnOfflineCache="$yarnOfflineCacheRelease" yarnConfigHook
+      popd
+
+      # Merge the dependencies listed in release/app/package.json into the
+      # node_modules/ directory corresponding to the top-level package.json.
+      # This feels very wrong!  Surely there's a better way…
+      for i in release/app/node_modules/*; do
+        dest="node_modules/$(basename "$i")"
+        if [[ ! -f "$dest" ]]; then
+          mv "$i" "$dest"
+        fi
+      done
+
+      # Populate the .env file.
+      tee .env << EOF
+      ${lib.concatLines
+        (lib.mapAttrsToList (k: v: "${k}=${v}") dotenv)}
+      EOF
+
+      runHook postConfigure
+    '';
+
+  buildPhase = ''
+    runHook preBuild
+
+    cp -r ${electron.dist} electron-dist
+    chmod -R u+w electron-dist
+
+    # Run builds concurrently.  Taken from Slippi's `yarn run package` script,
+    # but we've added the `--ofline` flag.
+    yarn --offline run build:main &
+    yarn --offline run build:renderer &
+    yarn --offline run build:migrations &
+    wait
+
+    # Build to release/build/linux-unwrapped.  The flag `--dir` stops
+    # electron-builder before creating an AppImage.
+    ./node_modules/.bin/electron-builder \
+      build --dir --publish never \
+      -c.electronDist=electron-dist \
+      -c.electronVersion=${electron.version}
+
+    runHook postBuild
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/{bin,opt/slippi-launcher}
+    cp -r release/build/linux-unpacked/* $out/opt/slippi-launcher
+
+    # Electron programs need to differentiate between production and
+    # non-production builds, and they do so by testing if argv[0] is 'electron'
+    # or not.  Thus, --inherit-argv0 should be all we need; however, this is not
+    # the case.  God knows why.  Just suck it up and set
+    # ELECTRON_FORCE_IS_PACKAGED=true.
+    makeWrapper '${lib.getExe electron}' $out/bin/slippi-launcher \
+      --add-flags "$out/opt/slippi-launcher/resources/app.asar" \
+      --add-flags "\''${NIXOS_OZONE_WL:+\''${WAYLAND_DISPLAY:+--ozone-platform=wayland --enable-features=WaylandWindowDecorations --enable-wayland-ime=true}}" \
+      --prefix LD_LIBRARY_PATH : $out/opt/slippi-launcher \
+      --inherit-argv0 \
+      --set ELECTRON_FORCE_IS_PACKAGED true
+
+    runHook postInstall
+  '';
+
+  yarnOfflineCacheRoot = fetchYarnDeps {
+    name = "slippi-launcher-yarn-deps-root";
+    # One of our patches modifies the (top-level) Yarn lockfile and thus must be
+    # visible to fetchYarnDeps.
+    inherit (final) src patches;
+    hash = "sha256-Crq9XywLtEc8IImkldodZJ823YG6dB8D9qGksH/lb3I=";
+  };
+
+  yarnOfflineCacheRelease = fetchYarnDeps {
+    name = "slippi-launcher-yarn-deps-resources";
+    # Our patches don't touch the lockfile at release/app/yarn.lock, so there's
+    # no need to inherit patches }:).
+    inherit (final) src;
+    sourceRoot = "${final.src.name}/release/app";
+    hash = "sha256-iCFqgy+jRaMCoGC77iXkEh964cZAtXFRfdOOJaRTfLc=";
+  };
+
+  meta = {
+    description = "The way to play Slippi Online and watch replays.";
+    longDescription = ''
+      The Slippi Launcher acts as a one stop shop for everything Slippi
+      related. It handles updating Slippi Dolphin, playing Slippi Online,
+      launching and analyzing replays, and more.
+    '';
+    license = lib.licenses.gpl3;
+    homepage = "https://github.com/project-slippi/slippi-launcher";
+    changelog =
+      "https://github.com/project-slippi/slippi-launcher/releases/tag/v${final.version}";
+    platforms = lib.platforms.all;
+    broken = true;
+  };
+})

pkgs/slippi-launcher/fix-git-deps.patch

@@ -0,0 +1,16 @@
+diff --git a/yarn.lock b/yarn.lock
+index 6b2fba28..40ed0fc4 100644
+--- a/yarn.lock
++++ b/yarn.lock
+@@ -1848,9 +1848,9 @@
+     global-agent "^3.0.0"
+     global-tunnel-ng "^2.7.1"
+ 
+-"@electron/node-gyp@git+https://github.com/electron/node-gyp.git#06b29aafb7708acef8b3669835c8a7857ebc92d2":
++"@electron/node-gyp@https://github.com/electron/node-gyp#06b29aafb7708acef8b3669835c8a7857ebc92d2":
+   version "10.2.0-electron.1"
+-  resolved "git+https://github.com/electron/node-gyp.git#06b29aafb7708acef8b3669835c8a7857ebc92d2"
++  resolved "https://github.com/electron/node-gyp#06b29aafb7708acef8b3669835c8a7857ebc92d2"
+   dependencies:
+     env-paths "^2.2.0"
+     exponential-backoff "^3.1.1"

pkgs/syd-plex-latex/default.nix

@@ -0,0 +1,32 @@
+{ stdenvNoCC
+, texlive
+}:
+
+stdenvNoCC.mkDerivation (final: {
+  pname = "syd-plex-latex";
+  version = "1.0.0";
+  src = ./.;
+  nativeBuildInputs = [ texlive.combined.scheme-small ];
+  passthru = {
+    pkgs = [ final.finalPackage ];
+    tlDeps = with texlive; [
+      plex
+      plex-otf
+      fontaxes
+      unicode-math
+      xetex
+      fontspec
+      xltxtra
+      realscripts
+      xecjk
+    ];
+    tlType = "run";
+  };
+  installPhase = ''
+    runHook preInstall
+    dir="$out/tex/latex/syd-plex"
+    mkdir -p "$dir"
+    mv syd-plex.sty "$dir"
+    runHook postInstall
+  '';
+})

pkgs/syd-plex-latex/syd-plex.sty

@@ -0,0 +1,15 @@
+\NeedsTeXFormat{LaTeX2e}
+\ProvidesPackage{syd-plex}[2025/12/01 Configure IBM Plex fonts]
+
+% Redefine some commands to make unicode-math work lol.  See §3.1 of the
+% unicode-math manual.
+\renewcommand*{\mathrm}[1]{\symup{#1}}
+
+\RequirePackage{plex-otf}
+\RequirePackage{xeCJK}
+\setmathfont{IBM Plex Math}
+\setmainfont{IBM Plex Serif}
+\setCJKmainfont{IBM Plex Sans KR}
+
+% Use sans-serif for \operatorname
+\setoperatorfont\mathsf

pkgs/venmic-server/default.nix

@@ -0,0 +1,109 @@
+{ cmake
+, cacert
+, cpm-cmake
+, git
+, pkg-config
+, pulseaudio
+, pipewire
+, fetchFromGitHub
+, stdenv
+}:
+
+# See
+# https://github.com/NixOS/nixpkgs/blob/nixos-25.05/pkgs/development/compilers/codon/default.nix#L136
+# for an example of an CPM/CMake project built with Nix.
+
+let
+  version = "6.1.0";
+  depsDir = "deps";
+
+  src = fetchFromGitHub {
+    owner = "Vencord";
+    repo = "venmic";
+    rev = "v${version}";
+    hash = "sha256-0UP8a2bfhWGsB2Lg/GeIBu4zw1zHnXbitT8vU+DLeEY=";
+  };
+
+  venmicDeps = stdenv.mkDerivation {
+    name = "venmic-deps-${version}.tar.gz";
+
+    inherit src;
+
+    nativeBuildInputs = [
+      cmake
+      cacert
+      cpm-cmake
+      git
+      # Pkg-config is implicitly used by CMake and will fail to find libs
+      # without it.
+      pkg-config
+    ];
+
+    buildInputs = [
+      pulseaudio
+      pipewire
+    ];
+
+    dontBuild = true;
+
+    cmakeFlags = [
+      "-DCPM_DOWNLOAD_ALL=ON"
+      "-DCPM_SOURCE_CACHE=${depsDir}"
+    ];
+
+    installPhase = ''
+      # Remove .git directories.  For reasons unknown to me, they are a source
+      # of indeterminism.
+      find "${depsDir}" -type d -name '.git' -exec rm -rf {} +
+
+      # Build a reproducible tarball, per
+      # https://reproducible-builds.org/docs/archives.
+      tar --owner=0 --group=0 --numeric-owner --format=gnu \
+          --sort=name --mtime="@$SOURCE_DATE_EPOCH" \
+          -czf $out \
+          "${depsDir}"
+    '';
+
+    outputHashAlgo = "sha256";
+    outputHash = "sha256-cnkqZbSnxFFwDy0zNo4QuQQCaT0dav3V8TDjzZ4mMFA=";
+  };
+
+  venmic-server = stdenv.mkDerivation {
+    pname = "venmic-server";
+    inherit version src venmicDeps;
+
+    postUnpack = ''
+      # Bring in the cached CPM deps.
+      mkdir -p $sourceRoot/build
+      tar xzf "$venmicDeps" -C $sourceRoot/build
+
+      # Bring in CPM itself — Venmic tries to download it itself.
+      rm $sourceRoot/cmake/cpm.cmake
+      ln -s ${cpm-cmake}/share/cpm/CPM.cmake $sourceRoot/cmake/cpm.cmake
+    '';
+
+    cmakeFlags = [
+      "-DCPM_SOURCE_CACHE=${depsDir}"
+      "-Dvenmic_prefer_remote=OFF"
+    ];
+
+    nativeBuildInputs = [
+      cmake
+      cpm-cmake
+      git
+      # Pkg-config is implicitly used by CMake and will fail to find libs
+      # without it.
+      pkg-config
+    ];
+
+    buildInputs = [
+      pulseaudio
+      pipewire
+    ];
+
+    installPhase = ''
+      mkdir -p $out/bin
+      mv server/venmic-server $out/bin
+    '';
+  };
+in venmic-server

pkgs/wii-u-gc-adapter/default.nix

@@ -0,0 +1,31 @@
+{ stdenv, pkg-config, udev, libusb1, fetchFromGitHub }:
+
+stdenv.mkDerivation {
+  pname = "wii-u-gc-adapter";
+  version = "fa098ef";
+
+  src = fetchFromGitHub {
+    owner = "ToadKing";
+    repo = "wii-u-gc-adapter";
+    rev = "fa098efa7f6b34f8cd82e2c249c81c629901976c";
+    hash = "sha256-wm0vDU7QckFvpgI50PG4/elgPEkfr8xTmroz8kE6QMo=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    udev
+    libusb1
+  ];
+
+  patches = [
+    ./remove-Wformat.patch
+  ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    mv wii-u-gc-adapter $out/bin
+  '';
+}

pkgs/wii-u-gc-adapter/remove-Wformat.patch

@@ -0,0 +1,10 @@
+diff --git a/Makefile b/Makefile
+index a00f13a..f13d0c2 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,4 +1,4 @@
+-CFLAGS  += -Wall -Wextra -pedantic -Wno-format -std=c99 $(shell pkg-config --cflags libusb-1.0) $(shell pkg-config --cflags udev)
++CFLAGS  += -Wall -Wextra -Wformat -std=c99 $(shell pkg-config --cflags libusb-1.0) $(shell pkg-config --cflags udev)
+ LDFLAGS += -lpthread -ludev $(shell pkg-config --libs libusb-1.0) $(shell pkg-config --libs udev)
+ 
+ ifeq ($(DEBUG), 1)