nix test

.gitea/workflows/nix.yaml

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+name: "Nix Build"
+on:
+  pull_request:
+  push:
+jobs:
+  test:
+    runs-on: debian-latest
+    steps:
+    - uses: actions/checkout@v3
+    - uses: cachix/install-nix-action@v22
+    - run: nix build
+    - run: nix flake check

01/abgabe.tex

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+\documentclass[ngerman]{article}
+
+\begin{document}
+Hello, World!
+\end{document}

flake.lock

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+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1700501263,
+        "narHash": "sha256-M0U063Ba2DKL4lMYI7XW13Rsk5tfUXnIYiAVa39AV/0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f741f8a839912e272d7e87ccf4b9dbc6012cdaf9",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.05",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

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+{
+  description = "LaTeX Documents";
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
+  };
+  outputs = { self, nixpkgs }: let
+    assignments = [
+      "01"
+    ];
+
+    forAllSystems = function:
+      nixpkgs.lib.genAttrs [
+        "x86_64-linux"
+        "aarch64-linux"
+      ] (system: function {
+        inherit system;
+        pkgs = nixpkgs.legacyPackages.${system};
+      });
+
+    forAllAssignments = function:
+      nixpkgs.lib.genAttrs assignments (assignment: function assignment);
+
+    texPackages = pkgs: pkgs.texlive.combine {
+        inherit (pkgs.texlive) scheme-minimal latex-bin latexmk;
+      };
+  in rec {
+    packages = forAllSystems({system, pkgs}: forAllAssignments(assignment: let
+      tex = texPackages pkgs;
+      document = pkgs.stdenvNoCC.mkDerivation rec {
+        name = assignment;
+        src = self;
+        buildInputs = [ pkgs.coreutils tex ];
+        phases = [ "unpackPhase" "buildPhase" "installPhase" ];
+        buildPhase = ''
+          export PATH="${pkgs.lib.makeBinPath buildInputs}";
+          mkdir -p .cache/texmf-var
+          cd "./${assignment}"
+          env TEXMFHOME=.cache TEXMFVAR=.cache/texmf-var \
+            latexmk -interaction=nonstopmode -pdf -lualatex \
+            "./abgabe.tex"
+        '';
+        installPhase = ''
+          mkdir -p $out
+          cp abgabe.pdf $out/
+        '';
+      };
+    in document) // {
+      default = packages.${system}.${pkgs.lib.last assignments};
+    });
+
+    devShells = forAllSystems({pkgs, ...}: let
+      tex = texPackages pkgs;
+    in {
+      default = pkgs.mkShell {
+        packages = [ pkgs.coreutils tex ];
+      };
+    });
+
+    hydraJobs = packages;
+  };
+}