thaaaaanks jeremy

.gitignore

@@ -1,3 +1,5 @@
 !.idea
 cmake-build*
 build
+/imgui.ini
+result

default-gui.nix

@@ -1,53 +0,0 @@
-{
-  lib,
-  stdenv,
-  cmake,
-  ncurses,
-  SDL2,
-  libGL,
-  xorg,
-  installShellFiles,
-  ...
-}:
-let
-  cmakeContent = builtins.readFile ./CMakeLists.txt;
-  cmakeLines = lib.splitString "\n" cmakeContent;
-  versionLine = lib.findFirst (l: builtins.match ".*set\\(KTE_VERSION \".+\"\\).*" l != null) (throw "KTE_VERSION not found in CMakeLists.txt") cmakeLines;
-  version = builtins.head (builtins.match ".*set\\(KTE_VERSION \"(.+)\"\\).*" versionLine);
-in
-stdenv.mkDerivation {
-  pname = "kte";
-  inherit version;
-
-  src = lib.cleanSource ./.;
-
-  nativeBuildInputs = [
-    cmake
-    ncurses
-    SDL2
-    libGL
-    xorg.libX11
-    installShellFiles
-  ];
-
-  cmakeFlags = [
-    "-DBUILD_GUI=ON"
-    "-DCMAKE_BUILD_TYPE=Debug"
-  ];
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/bin
-    cp kte $out/bin/
-    cp kge $out/bin/
-
-    installManPage ../docs/kte.1
-    installManPage ../docs/kge.1
-
-    mkdir -p $out/share/icons
-    cp ../kge.png $out/share/icons/
-
-    runHook postInstall
-  '';
-}

default-nogui.nix

@@ -1,42 +0,0 @@
-{
-  lib,
-  stdenv,
-  cmake,
-  ncurses,
-  installShellFiles,
-  ...
-}:
-let
-  cmakeContent = builtins.readFile ./CMakeLists.txt;
-  cmakeLines = lib.splitString "\n" cmakeContent;
-  versionLine = lib.findFirst (l: builtins.match ".*set\\(KTE_VERSION \".+\"\\).*" l != null) (throw "KTE_VERSION not found in CMakeLists.txt") cmakeLines;
-  version = builtins.head (builtins.match ".*set\\(KTE_VERSION \"(.+)\"\\).*" versionLine);
-in
-stdenv.mkDerivation {
-  pname = "kte";
-  inherit version;
-
-  src = lib.cleanSource ./.;
-
-  nativeBuildInputs = [
-    cmake
-    ncurses
-    installShellFiles
-  ];
-
-  cmakeFlags = [
-    "-DBUILD_GUI=OFF"
-    "-DCMAKE_BUILD_TYPE=Debug"
-  ];
-
-  installPhase = ''
-    runHook preInstall
-
-    mkdir -p $out/bin
-    cp kte $out/bin/
-
-    installManPage ../docs/kte.1
-
-    runHook postInstall
-  '';
-}

default.nix

@@ -7,12 +7,16 @@
   libGL,
   xorg,
   installShellFiles,
+
+  graphical ? true,
   ...
 }:
 let
   cmakeContent = builtins.readFile ./CMakeLists.txt;
   cmakeLines = lib.splitString "\n" cmakeContent;
-  versionLine = lib.findFirst (l: builtins.match ".*set\\(KTE_VERSION \".+\"\\).*" l != null) (throw "KTE_VERSION not found in CMakeLists.txt") cmakeLines;
+  versionLine = lib.findFirst (
+    l: builtins.match ".*set\\(KTE_VERSION \".+\"\\).*" l != null
+  ) (throw "KTE_VERSION not found in CMakeLists.txt") cmakeLines;
   version = builtins.head (builtins.match ".*set\\(KTE_VERSION \"(.+)\"\\).*" versionLine);
 in
 stdenv.mkDerivation {
@@ -24,14 +28,16 @@ stdenv.mkDerivation {
   nativeBuildInputs = [
     cmake
     ncurses
+    installShellFiles
+  ]
+  ++ lib.optionals graphical [
     SDL2
     libGL
     xorg.libX11
-    installShellFiles
   ];
 
   cmakeFlags = [
-    "-DBUILD_GUI=ON"
+    "-DBUILD_GUI=${if graphical then "ON" else "OFF"}"
     "-DCMAKE_BUILD_TYPE=Debug"
   ];
 
@@ -40,14 +46,17 @@ stdenv.mkDerivation {
 
     mkdir -p $out/bin
     cp kte $out/bin/
-    cp kge $out/bin/
 
     installManPage ../docs/kte.1
-    installManPage ../docs/kge.1
 
+  ''
+  + lib.optionalString graphical ''
+    cp kge $out/bin/
+    installManPage ../docs/kge.1
     mkdir -p $out/share/icons
     cp ../kge.png $out/share/icons/
-
+  ''
+  + ''
     runHook postInstall
   '';
 }

flake.nix

@@ -3,16 +3,18 @@
 
   inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
 
-  outputs = inputs @ { self, nixpkgs, ... }:
+  outputs =
+    inputs@{ self, nixpkgs, ... }:
     let
       eachSystem = nixpkgs.lib.genAttrs nixpkgs.lib.systems.flakeExposed;
       pkgsFor = system: import nixpkgs { inherit system; };
-    in {
+    in
-      packages = eachSystem (system: {
+    {
-        default = (pkgsFor system).callPackage ./default-nogui.nix { };
+      packages = eachSystem (system: rec {
-        kge     = (pkgsFor system).callPackage ./default-gui.nix   { };
+        default = kte;
-        kte     = (pkgsFor system).callPackage ./default-nogui.nix { };
+        full = kge;
-        full    = (pkgsFor system).callPackage ./default.nix       { };
+        kte = (pkgsFor system).callPackage ./default.nix { graphical = false; };
+        kge = (pkgsFor system).callPackage ./default.nix { graphical = true; };
       });
     };
-}
+}