From 5a81d98c8d05ef06f3bfdfdb821414a7d8de7afc Mon Sep 17 00:00:00 2001
From: Angus Trau <me@angus.ws>
Date: Sat, 24 Jul 2021 22:59:01 +1000
Subject: [PATCH] mars-mips: init at 4.5

---
 pkgs/development/tools/mars-mips/default.nix | 49 ++++++++++++++++++++
 pkgs/top-level/all-packages.nix              |  2 +
 2 files changed, 51 insertions(+)
 create mode 100644 pkgs/development/tools/mars-mips/default.nix

diff --git a/pkgs/development/tools/mars-mips/default.nix b/pkgs/development/tools/mars-mips/default.nix
new file mode 100644
index 000000000000..6bca1fa64eee
--- /dev/null
+++ b/pkgs/development/tools/mars-mips/default.nix
@@ -0,0 +1,49 @@
+{ lib, stdenvNoCC, fetchurl, makeWrapper, copyDesktopItems, makeDesktopItem, unzip, imagemagick, jre }:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "mars-mips";
+  version = "4.5";
+
+  src = fetchurl {
+    url = "https://courses.missouristate.edu/KenVollmar/MARS/MARS_${lib.replaceStrings ["."] ["_"] version}_Aug2014/Mars${lib.replaceStrings ["."] ["_"] version}.jar";
+    sha256 = "15kh1fahkkbbf4wvb6ijzny4fi5dh4pycxyzp5325dm2ddkhnd5c";
+  };
+
+  dontUnpack = true;
+
+  nativeBuildInputs = [ makeWrapper copyDesktopItems unzip imagemagick ];
+
+  desktopItems = [
+    (makeDesktopItem {
+      name = pname;
+      desktopName = "MARS";
+      exec = "mars-mips";
+      icon = "mars-mips";
+      comment = "An IDE for programming in MIPS assembly language";
+      categories = "Development;IDE;";
+    })
+  ];
+
+  installPhase = ''
+    runHook preInstall
+
+    export JAR=$out/share/java/${pname}/${pname}.jar
+    install -D $src $JAR
+    makeWrapper ${jre}/bin/java $out/bin/${pname} \
+      --add-flags "-jar $JAR"
+
+    unzip ${src} images/MarsThumbnail.gif
+    mkdir -p $out/share/pixmaps
+    convert images/MarsThumbnail.gif $out/share/pixmaps/mars-mips.png
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "An IDE for programming in MIPS assembly language intended for educational-level use";
+    homepage = "https://courses.missouristate.edu/KenVollmar/MARS/";
+    license = licenses.mit;
+    maintainers = with maintainers; [ angustrau ];
+    platforms = platforms.all;
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 066abf31ea47..b7fa5c370475 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -6977,6 +6977,8 @@ in
 
   marktext = callPackage ../applications/misc/marktext { };
 
+  mars-mips = callPackage ../development/tools/mars-mips { };
+
   mawk = callPackage ../tools/text/mawk { };
 
   mb2md = callPackage ../tools/text/mb2md { };