initial commit

flake.nix

@@ -0,0 +1,53 @@
+{
+  description = "tubslatex";
+
+  inputs.flake-utils.url = "github:numtide/flake-utils";
+
+  outputs = { self, flake-utils, nixpkgs }@inputs:
+    flake-utils.lib.eachDefaultSystem
+      (system:
+        let
+          pkgs = import nixpkgs {
+            inherit system;
+            overlays = [ self.overlays.default ];
+          };
+        in
+        {
+          packages = rec {
+            default = tubslatex;
+            tubslatex = pkgs.tubslatex;
+          };
+
+          checks = {
+            format = pkgs.runCommand "format" { buildInputs = [ pkgs.nixpkgs-fmt ]; } "nixpkgs-fmt --check ${./.} && touch $out";
+            testOverlay = pkgs.mkShell {
+              buildInputs = [ pkgs.texliveWithTubslatex ];
+              shellHook = ''Shell created'';
+            };
+          };
+
+          formatter = pkgs.nixpkgs-fmt;
+        }) // {
+      overlays.default = final: prev: {
+        tubslatex = prev.callPackage ./tubslatex.nix { };
+
+        texliveWithTubslatex =
+          let
+            postCombineOverride = oldAttrs: {
+              postBuild = oldAttrs.postBuild + ''
+                updmap --sys --enable Map=NexusProSerif.map --enable Map=NexusProSans.map
+                updmap --sys
+              '';
+            };
+
+            tubslatexAttrs = { pkgs = [ final.tubslatex ]; };
+
+            combined = prev.texlive.combine {
+              inherit (prev.texlive) scheme-full;
+              inherit tubslatexAttrs;
+            };
+          in
+          combined.overrideAttrs postCombineOverride;
+      };
+    };
+}