mars: cleanup

pkgs/by-name/ma/mars/package.nix

@@ -3,31 +3,36 @@
   stdenv,
   fetchFromGitHub,
   cmake,
-  libGLU,
-  libGL,
-  sfml,
   fribidi,
+  libGL,
+  libGLU,
+  sfml,
   taglib,
 }:
-stdenv.mkDerivation rec {
+stdenv.mkDerivation {
   pname = "mars";
-  version = "unstable-17.10.2021";
+  version = "0-unstable-2021-10-17";
 
   src = fetchFromGitHub {
     owner = "thelaui";
     repo = "M.A.R.S.";
     rev = "84664cda094efe6e49d9b1550e4f4f98c33eefa2";
-    sha256 = "sha256-SWLP926SyVTjn+UT1DCaJSo4Ue0RbyzImVnlNJQksS0=";
+    hash = "sha256-SWLP926SyVTjn+UT1DCaJSo4Ue0RbyzImVnlNJQksS0=";
   };
+
   nativeBuildInputs = [ cmake ];
+
   buildInputs = [
-    libGLU
-    libGL
-    sfml
     fribidi
+    libGL
+    libGLU
+    sfml
     taglib
   ];
+
   installPhase = ''
+    runHook preInstall
+
     cd ..
     mkdir -p "$out/share/mars/"
     mkdir -p "$out/bin/"
@@ -39,12 +44,16 @@ stdenv.mkDerivation rec {
     exec "$out/bin/mars.bin" "\$@"
     EOF
     chmod +x "$out/bin/mars"
+
+    runHook postInstall
   '';
-  meta = with lib; {
+
+  meta = {
     homepage = "https://mars-game.sourceforge.net/";
     description = "Game about fighting with ships in a 2D space setting";
-    license = licenses.gpl3Plus;
-    maintainers = [ maintainers.astsmtl ];
-    platforms = platforms.linux;
+    license = lib.licenses.gpl3Plus;
+    maintainers = [ lib.maintainers.astsmtl ];
+    platforms = lib.platforms.linux;
+    mainProgram = "mars";
   };
 }