Merge pull request #37 from mabster314/master

Add nix flake

flake.nix

@@ -0,0 +1,57 @@
+{
+  description = "A graphical satellite tracking software for linux";
+
+  inputs = {
+    nixpkgs.url = github:nixos/nixpkgs/nixos-unstable;
+    flake-utils.url = github:numtide/flake-utils;
+  };
+
+  outputs = {self, nixpkgs, flake-utils, ...}@inputs: flake-utils.lib.eachDefaultSystem (system:
+    let 
+      pkgs = import nixpkgs {
+        inherit system;
+      };
+      arftracksat = (with pkgs; stdenv.mkDerivation {
+          name = "arftracksat";
+          src = ./.;
+          nativeBuildInputs = [ 
+            cmake
+            mesa
+            curl
+            curlpp
+            nlohmann_json
+            freeglut
+            libGL
+            mesa_glu
+            glm
+            tree
+          ];
+          # Patch share location
+          postUnpack = ''
+            path=${placeholder "out"}
+            sed -i "s,/usr/local,$path," *-source/src/main.cpp
+            sed -i "s,/usr/local,$path," *-source/config.json
+          '';
+          buildPhase = "make -j $NIX_BUILD_CORES";
+          installPhase = ''
+            mkdir -p $out/bin $out/etc/arftracksat $out/share/arftracksat
+            mv arftracksat $out/bin
+            cd ..
+            mv config.json $out/etc/arftracksat/config.json
+            mv assets/earth.png assets/map.json $out/share/arftracksat
+          '';
+        }
+      );
+    in rec {
+      defaultApp = flake-utils.lib.mkApp {
+        drv = defaultPackage;
+      };
+      defaultPackage = arftracksat;
+      devShell = pkgs.mkShell {
+        buildInputs = [
+          arftracksat
+        ];
+      };
+    }
+  );
+}