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-rw-r--r--pkgs/games/ferium/default.nix28
-rw-r--r--pkgs/games/freeciv/default.nix4
-rw-r--r--pkgs/games/gnonograms/default.nix14
-rw-r--r--pkgs/games/itch-setup/default.nix24
-rw-r--r--pkgs/games/itch/butler.nix29
-rw-r--r--pkgs/games/itch/default.nix85
-rw-r--r--pkgs/games/sil-q/default.nix9
-rw-r--r--pkgs/games/sil/default.nix34
-rw-r--r--pkgs/games/sm64ex/default.nix112
-rw-r--r--pkgs/games/sm64ex/generic.nix83
-rw-r--r--pkgs/games/umoria/default.nix24
11 files changed, 296 insertions, 150 deletions
diff --git a/pkgs/games/ferium/default.nix b/pkgs/games/ferium/default.nix
new file mode 100644
index 0000000000000..b542ae3451e74
--- /dev/null
+++ b/pkgs/games/ferium/default.nix
@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub, rustPlatform, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "ferium";
+  version = "4.1.1";
+
+  src = fetchFromGitHub {
+    owner = "gorilla-devs";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "5DYdeK6JdA7oLBkjP3WkwLwlBitdf4Yt2dNP7P0INN0=";
+  };
+
+  buildInputs = lib.optionals stdenv.isDarwin [ Security ];
+
+  cargoSha256 = "7rpxHfe+pWarPJ72WSXjgr63YctZ5+RrsEgmw7o66VI=";
+
+  buildNoDefaultFeatures = true; # by default pulls in GTK 3 just for its directory picker
+
+  doCheck = false; # requires internet
+
+  meta = with lib; {
+    description = "A CLI Minecraft mod manager for mods from Modrinth, CurseForge, and Github Releases";
+    homepage = "https://github.com/theRookieCoder/ferium";
+    license = licenses.mpl20;
+    maintainers = [ maintainers.leo60228 ];
+  };
+}
diff --git a/pkgs/games/freeciv/default.nix b/pkgs/games/freeciv/default.nix
index b1d215912a0a8..e3057d59cd43a 100644
--- a/pkgs/games/freeciv/default.nix
+++ b/pkgs/games/freeciv/default.nix
@@ -10,13 +10,13 @@
 
 stdenv.mkDerivation rec {
   pname = "freeciv";
-  version = "3.0.1";
+  version = "3.0.2";
 
   src = fetchFromGitHub {
     owner = "freeciv";
     repo = "freeciv";
     rev = "R${lib.replaceStrings [ "." ] [ "_" ] version}";
-    sha256 = "sha256-Nzc6Tirj6TKLgTYN5XjZZut9HVYLKGOp1GZeaoqEtW8=";
+    sha256 = "sha256-1QGARXIfb97aLxQ5TZ6Fjznlniznnyuc2ugiW/Drf9g=";
   };
 
   postPatch = ''
diff --git a/pkgs/games/gnonograms/default.nix b/pkgs/games/gnonograms/default.nix
index 21f522d3418f9..2446384ff719a 100644
--- a/pkgs/games/gnonograms/default.nix
+++ b/pkgs/games/gnonograms/default.nix
@@ -1,7 +1,6 @@
 { lib
 , stdenv
 , fetchFromGitHub
-, fetchpatch
 , vala
 , meson
 , ninja
@@ -19,24 +18,15 @@
 
 stdenv.mkDerivation rec {
   pname = "gnonograms";
-  version = "2.0.0";
+  version = "2.1.2";
 
   src = fetchFromGitHub {
     owner = "jeremypw";
     repo = "gnonograms";
     rev = "v${version}";
-    sha256 = "sha256-2uXaybpCAm9cr0o7bqfhgD7mMNPwtv1X/PgnFnSDOl0=";
+    sha256 = "sha256-TkEVjrwlr4Q5FsfcdY+9fxwaMq+DFs0RwGI2E+GT5Mk=";
   };
 
-  patches = [
-    # Fix build with meson 0.61, can be removed on next release
-    # https://github.com/jeremypw/gnonograms/pull/45
-    (fetchpatch {
-      url = "https://github.com/jeremypw/gnonograms/commit/0e90d8ff42d64a94002ec8500889bc4d7e06c1b6.patch";
-      sha256 = "sha256-G/yqsZFmOA69A3E2CROMYAS5vmok/K5l1S/M2m8DMh4=";
-    })
-  ];
-
   postPatch = ''
     patchShebangs meson/post_install.py
   '';
diff --git a/pkgs/games/itch-setup/default.nix b/pkgs/games/itch-setup/default.nix
deleted file mode 100644
index 55d488bcaac06..0000000000000
--- a/pkgs/games/itch-setup/default.nix
+++ /dev/null
@@ -1,24 +0,0 @@
-{ lib, writeShellScriptBin, steam-run, fetchurl }:
-let
-
-  pname = "itch-setup";
-  version = "1.26.0";
-
-  src = fetchurl {
-    url = "https://broth.itch.ovh/itch-setup/linux-amd64/${version}/unpacked/default";
-    hash = "sha256-bcJKqhgZK42Irx12BIvbTDMb/DHEOEXljetlDokF7x8=";
-    executable = true;
-  };
-
-in
-(writeShellScriptBin pname ''exec ${steam-run}/bin/steam-run ${src} "$@"'') // {
-
-  passthru = { inherit pname version src; };
-  meta = with lib; {
-    description = "An installer for the itch.io desktop app";
-    homepage = "https://github.com/itchio/itch-setup";
-    license = licenses.mit;
-    platforms = platforms.linux;
-    maintainers = with maintainers; [ pasqui23 ];
-  };
-}
diff --git a/pkgs/games/itch/butler.nix b/pkgs/games/itch/butler.nix
new file mode 100644
index 0000000000000..68f1bac49e903
--- /dev/null
+++ b/pkgs/games/itch/butler.nix
@@ -0,0 +1,29 @@
+{ lib
+, buildGoModule
+, fetchFromGitHub
+}:
+
+buildGoModule rec {
+  pname = "butler";
+  version = "15.21.0";
+
+  src = fetchFromGitHub {
+    owner = "itchio";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-vciSmXR3wI3KcnC+Uz36AgI/WUfztA05MJv1InuOjJM=";
+  };
+
+  proxyVendor = true;
+
+  vendorSha256 = "sha256-EIl0ZFDKbZopUR22hp5a2vRUu0O1h1O953NrtoNa2x8=";
+
+  doCheck = false;
+
+  meta = with lib; {
+    description = "Command-line itch.io helper";
+    homepage = "https://github.com/itchio/butler";
+    license = licenses.mit;
+    maintainers = with maintainers; [ martfont ];
+  };
+}
diff --git a/pkgs/games/itch/default.nix b/pkgs/games/itch/default.nix
index 34a2775c3c80c..991623b6c9f7e 100644
--- a/pkgs/games/itch/default.nix
+++ b/pkgs/games/itch/default.nix
@@ -1,30 +1,56 @@
 { lib
 , stdenvNoCC
-, fetchurl
-, libnotify
-, nss
-, gtk3
+, fetchpatch
+, fetchzip
 , fetchFromGitHub
+, butler
+, electron_11
+, steam-run
+, makeWrapper
+, copyDesktopItems
 , makeDesktopItem
-, itch-setup
-, runtimeShell
 }:
-stdenvNoCC.mkDerivation rec{
+stdenvNoCC.mkDerivation rec {
   pname = "itch";
   version = "25.5.1";
 
-  src = fetchFromGitHub {
-    owner = "itchio";
-    repo = pname;
-    rev = "v${version}";
-    hash = "sha256-Pi3l3uK4kr+N3p7fGQuqckYIzycRqJHDVX00reoSbp4=";
+  src = fetchzip {
+    url = "https://broth.itch.ovh/${pname}/linux-amd64/${version}/itch.zip";
+    stripRoot = false;
+    sha256 = "sha256-ejfS+sqhacW2h8u96W4fout3V8xrBs0SrW5w/7X83m4=";
   };
 
+  patches = [
+    # Fixes crash while browsing the store.
+    (fetchpatch {
+      name = "itch.patch";
+      url = "https://aur.archlinux.org/cgit/aur.git/plain/itch.patch?h=itch-bin&id=0b181454567029141749f870880b10093216e133";
+      sha256 = "sha256-gmLL/BMondSflERm0z+DuGDP56JhDXiyxEwLUavTD8Q=";
+    })
+  ];
+
+  itch-setup = fetchzip {
+    url = "https://broth.itch.ovh/itch-setup/linux-amd64/1.26.0/itch-setup.zip";
+    stripRoot = false;
+    sha256 = "sha256-5MP6X33Jfu97o5R1n6Og64Bv4ZMxVM0A8lXeQug+bNA=";
+  };
+
+  icons = let sparseCheckout = "/release/images/itch-icons"; in
+    fetchFromGitHub {
+        owner = "itchio";
+        repo = pname;
+        rev = "v${version}";
+        hash = "sha256-1L6STTBHA9xL9IaERaH2OTvurTSng1D+P3KoW0ucEJc=";
+        inherit sparseCheckout;
+      } + sparseCheckout;
+
+  nativeBuildInputs = [ copyDesktopItems makeWrapper ];
+
   desktopItems = [
     (makeDesktopItem {
       name = pname;
-      exec = pname;
-      tryExec = "itch %U";
+      exec = "itch %U";
+      tryExec = pname;
       icon = pname;
       desktopName = pname;
       mimeTypes = [ "x-scheme-handler/itchio" "x-scheme-handler/itch" ];
@@ -33,23 +59,33 @@ stdenvNoCC.mkDerivation rec{
     })
   ];
 
-  itchBin = ''
-    #!${runtimeShell}
-    exec ${itch-setup}/bin/itch-setup --prefer-launch -- "$@"
-  '';
+  # As taken from https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=itch-bin
+  installPhase = ''
+    runHook preInstall
 
-  passAsFile = [ "itchBin" ];
+    mkdir -p $out/bin $out/share/${pname}/resources/app
+    cp -r resources/app "$out/share/${pname}/resources/"
 
-  # as taken from https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=itch
-  installPhase = ''
-    install -Dm0777 $itchBinPath $out/bin/itch
-    for icon in release/images/itch-icons/icon*.png
+    install -Dm644 LICENSE -t "$out/share/licenses/$pkgname/"
+    install -Dm644 LICENSES.chromium.html -t "$out/share/licenses/$pkgname/"
+
+    for icon in $icons/icon*.png
     do
-      iconsize="''${icon#release/images/itch-icons/icon}"
+      iconsize="''${icon#$icons/icon}"
       iconsize="''${iconsize%.png}"
       icondir="$out/share/icons/hicolor/''${iconsize}x''${iconsize}/apps/"
       install -Dm644 "$icon" "$icondir/itch.png"
     done
+
+    runHook postInstall
+  '';
+
+  postFixup = ''
+    makeWrapper ${steam-run}/bin/steam-run $out/bin/${pname} \
+      --add-flags ${electron_11}/bin/electron \
+      --add-flags $out/share/${pname}/resources/app \
+      --set BROTH_USE_LOCAL butler,itch-setup \
+      --prefix PATH : ${butler}/bin/:${itch-setup}
   '';
 
   meta = with lib; {
@@ -57,6 +93,7 @@ stdenvNoCC.mkDerivation rec{
     homepage = "https://github.com/itchio/itch";
     license = licenses.mit;
     platforms = platforms.linux;
+    sourceProvenance = lib.sourceTypes.binaryBytecode;
     maintainers = with maintainers; [ pasqui23 ];
   };
 }
diff --git a/pkgs/games/sil-q/default.nix b/pkgs/games/sil-q/default.nix
index 1676f8da55a90..e4299bd8aca73 100644
--- a/pkgs/games/sil-q/default.nix
+++ b/pkgs/games/sil-q/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchFromGitHub, writeScript, makeWrapper, ncurses, libX11 }:
+{ pkgs, lib, stdenv, fetchFromGitHub, writeScript, makeWrapper, ncurses, libX11 }:
 
 let
   setup = writeScript "setup" ''
@@ -47,6 +47,13 @@ in stdenv.mkDerivation rec {
     runHook postInstall
   '';
 
+  passthru.tests = {
+    saveDirCreation = pkgs.runCommand "save-dir-creation" {} ''
+      HOME=$(pwd) ${lib.getExe pkgs.sil-q} --help
+      test -d .sil && touch $out
+    '';
+  };
+
   meta = {
     description = "A roguelike game set in the First Age of Middle-earth";
     longDescription = ''
diff --git a/pkgs/games/sil/default.nix b/pkgs/games/sil/default.nix
index 2e6c50daa8236..7d446a684aae0 100644
--- a/pkgs/games/sil/default.nix
+++ b/pkgs/games/sil/default.nix
@@ -1,4 +1,6 @@
-{ lib, stdenv, fetchzip, ncurses, libX11, libXaw, libXt, libXext, libXmu, makeWrapper, writeScript, ... }:
+{ pkgs, lib, stdenv, fetchzip, ncurses, libX11, libXaw, libXt, libXext, libXmu
+, makeWrapper, writeScript }:
+
 let
   setup = writeScript "setup" ''
     mkdir -p "$ANGBAND_PATH"
@@ -15,7 +17,7 @@ stdenv.mkDerivation rec {
   src = fetchzip {
     url = "http://www.amirrorclear.net/flowers/game/sil/Sil-130-src.zip";
     sha256 = "1amp2mr3fxascra0k76sdsvikjh8g76nqh46kka9379zd35lfq8w";
-    stripRoot=false;
+    stripRoot = false;
   };
 
   nativeBuildInputs = [ makeWrapper ];
@@ -25,7 +27,7 @@ stdenv.mkDerivation rec {
 
   makefile = "Makefile.std";
 
-  prePatch = ''
+  postPatch = ''
     # Allow usage of ANGBAND_PATH
     substituteInPlace config.h --replace "#define FIXED_PATHS" ""
   '';
@@ -41,30 +43,42 @@ stdenv.mkDerivation rec {
   NIX_CFLAGS_COMPILE = "-fcommon";
 
   installPhase = ''
-    # the makefile doesn't have a sensible install target, so we hav to do it ourselves
+    runHook preInstall
+
+    # the makefile doesn't have a sensible install target, so we have to do it ourselves
     mkdir -p $out/bin
     cp sil $out/bin/sil
-    # Wrap the program to set a user-local ANGBAND_PATH, and run the setup script to copy files into place
+
+    # Wrap the program to set a user-local ANGBAND_PATH, and run the setup script to copy files into place.
     # We could just use the options for a user-local save and scores dir, but it tried to write to the
     # lib directory anyway, so we might as well give everyone a copy
     wrapProgram $out/bin/sil \
-      --run "set -u" \
       --run "export ANGBAND_PATH=\$HOME/.sil" \
       --run "${setup} ${src}/Sil/lib"
+
+    runHook postInstall
   '';
 
+  passthru.tests = {
+    saveDirCreation = pkgs.runCommand "save-dir-creation" {} ''
+      HOME=$(pwd) ${lib.getExe pkgs.sil} --help
+      test -d .sil && touch $out
+    '';
+  };
+
   meta = {
-    description = "A rouge-like game set in the first age of Middle-earth";
+    description = "A rogue-like game set in the First Age of Middle-earth";
     longDescription = ''
-      A game of adventure set in the first age of Middle-earth, when the world still
-      rang with elven song and gleamed with dwarven mail.
+      A game of adventure set in the First Age of Middle-earth, when the world still
+      rang with Elven song and gleamed with Dwarven mail.
 
       Walk the dark halls of Angband.  Slay creatures black and fell.  Wrest a shining
       Silmaril from Morgoth’s iron crown.
     '';
     homepage = "http://www.amirrorclear.net/flowers/game/sil/index.html";
     license = lib.licenses.gpl2;
-    maintainers = [ lib.maintainers.michaelpj ];
+    maintainers = with lib.maintainers; [ michaelpj kenran ];
     platforms = lib.platforms.linux;
+    mainProgram = "sil";
   };
 }
diff --git a/pkgs/games/sm64ex/default.nix b/pkgs/games/sm64ex/default.nix
index c6df2099d3ce3..a6bf7202adcf4 100644
--- a/pkgs/games/sm64ex/default.nix
+++ b/pkgs/games/sm64ex/default.nix
@@ -1,71 +1,55 @@
-{ lib, stdenv
+{ lib
+, stdenv
 , fetchFromGitHub
-, python3
-, pkg-config
-, audiofile
-, SDL2
-, hexdump
-, requireFile
-, compileFlags ? [ ]
-, region ? "us"
-, baseRom ? requireFile {
-    name = "baserom.${region}.z64";
-    message = ''
-      This nix expression requires that baserom.${region}.z64 is
-      already part of the store. To get this file you can dump your Super Mario 64 cartridge's contents
-      and add it to the nix store with nix-store --add-fixed sha256 <FILE>.
-      Note that if you are not using a US baserom, you must overwrite the "region" attribute with either "eu" or "jp".
-    '';
-    sha256 = {
-      "us" = "17ce077343c6133f8c9f2d6d6d9a4ab62c8cd2aa57c40aea1f490b4c8bb21d91";
-      "eu" = "c792e5ebcba34c8d98c0c44cf29747c8ee67e7b907fcc77887f9ff2523f80572";
-      "jp" = "9cf7a80db321b07a8d461fe536c02c87b7412433953891cdec9191bfad2db317";
-    }.${region};
-  }
+, callPackage
+, autoPatchelfHook
+, branch
 }:
 
-stdenv.mkDerivation rec {
-  pname = "sm64ex";
-  version = "unstable-2021-11-30";
-
-  src = fetchFromGitHub {
-    owner = "sm64pc";
-    repo = "sm64ex";
-    rev = "db9a6345baa5acb41f9d77c480510442cab26025";
-    sha256 = "sha256-q7JWDvNeNrDpcKVtIGqB1k7I0FveYwrfqu7ZZK7T8F8=";
+{
+  sm64ex = callPackage ./generic.nix {
+    pname = "sm64ex";
+    version = "0.pre+date=2021-11-30";
+
+    src = fetchFromGitHub {
+      owner = "sm64pc";
+      repo = "sm64ex";
+      rev = "db9a6345baa5acb41f9d77c480510442cab26025";
+      sha256 = "sha256-q7JWDvNeNrDpcKVtIGqB1k7I0FveYwrfqu7ZZK7T8F8=";
+    };
+
+    extraMeta = {
+      homepage = "https://github.com/sm64pc/sm64ex";
+      description = "Super Mario 64 port based off of decompilation";
+    };
   };
 
-  nativeBuildInputs = [ python3 pkg-config ];
-  buildInputs = [ audiofile SDL2 hexdump ];
-
-  makeFlags = [ "VERSION=${region}" ] ++ compileFlags
-    ++ lib.optionals stdenv.isDarwin [ "OSX_BUILD=1" ];
-
-  inherit baseRom;
-
-  preBuild = ''
-    patchShebangs extract_assets.py
-    cp $baseRom ./baserom.${region}.z64
-  '';
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp build/${region}_pc/sm64.${region}.f3dex2e $out/bin/sm64ex
-  '';
-
-  enableParallelBuilding = true;
-
-  meta = with lib; {
-    homepage = "https://github.com/sm64pc/sm64ex";
-    description = "Super Mario 64 port based off of decompilation";
-    longDescription = ''
-      Super Mario 64 port based off of decompilation.
-      Note that you must supply a baserom yourself to extract assets from.
-      If you are not using an US baserom, you must overwrite the "region" attribute with either "eu" or "jp".
-      If you would like to use patches sm64ex distributes as makeflags, add them to the "compileFlags" attribute.
+  sm64ex-coop = callPackage ./generic.nix {
+    pname = "sm64ex-coop";
+    version = "0.pre+date=2022-05-14";
+
+    src = fetchFromGitHub {
+      owner = "djoslin0";
+      repo = "sm64ex-coop";
+      rev = "8200b175607fe2939f067d496627c202a15fe24c";
+      sha256 = "sha256-c1ZmMBtvYYcaJ/WxkZBVvNGVCeSXfm8NKe/BiAIJtks=";
+    };
+
+    extraNativeBuildInputs = [
+      autoPatchelfHook
+    ];
+
+    postInstall = let
+      sharedLib = stdenv.hostPlatform.extensions.sharedLibrary;
+    in ''
+      mkdir -p $out/lib
+      cp $src/lib/bass/libbass{,_fx}${sharedLib} $out/lib
+      cp $src/lib/discordsdk/libdiscord_game_sdk${sharedLib} $out/lib
     '';
-    license = licenses.unfree;
-    maintainers = with maintainers; [ ivar ];
-    platforms = platforms.unix;
+
+    extraMeta = {
+      homepage = "https://github.com/djoslin0/sm64ex-coop";
+      description = "Super Mario 64 online co-op mod, forked from sm64ex";
+    };
   };
-}
+}.${branch}
diff --git a/pkgs/games/sm64ex/generic.nix b/pkgs/games/sm64ex/generic.nix
new file mode 100644
index 0000000000000..ab75ac70b9c53
--- /dev/null
+++ b/pkgs/games/sm64ex/generic.nix
@@ -0,0 +1,83 @@
+{ pname
+, version
+, src
+, extraNativeBuildInputs ? [ ]
+, extraMeta ? {}
+, compileFlags ? [ ]
+, postInstall ? ""
+, region ? "us"
+
+, lib
+, stdenv
+, fetchFromGitHub
+, python3
+, pkg-config
+, audiofile
+, SDL2
+, hexdump
+, requireFile
+, baseRom ? requireFile {
+    name = "baserom.${region}.z64";
+    message = ''
+      This nix expression requires that baserom.${region}.z64 is
+      already part of the store. To get this file you can dump your Super Mario 64 cartridge's contents
+      and add it to the nix store with nix-store --add-fixed sha256 <FILE>.
+      Note that if you are not using a US baserom, you must overwrite the "region" attribute with either "eu" or "jp".
+    '';
+    sha256 = {
+      "us" = "17ce077343c6133f8c9f2d6d6d9a4ab62c8cd2aa57c40aea1f490b4c8bb21d91";
+      "eu" = "c792e5ebcba34c8d98c0c44cf29747c8ee67e7b907fcc77887f9ff2523f80572";
+      "jp" = "9cf7a80db321b07a8d461fe536c02c87b7412433953891cdec9191bfad2db317";
+    }.${region};
+  }
+}:
+
+stdenv.mkDerivation rec {
+  inherit pname version src postInstall;
+
+  nativeBuildInputs = [
+    python3
+    pkg-config
+    hexdump
+  ] ++ extraNativeBuildInputs;
+
+  buildInputs = [
+    audiofile
+    SDL2
+  ];
+
+  enableParallelBuilding = true;
+
+  makeFlags = [
+    "VERSION=${region}"
+  ] ++ lib.optionals stdenv.isDarwin [
+    "OSX_BUILD=1"
+  ] ++ compileFlags;
+
+  preBuild = ''
+    patchShebangs extract_assets.py
+    ln -s ${baseRom} ./baserom.${region}.z64
+  '';
+
+  installPhase = ''
+    runHook preInstall
+
+    mkdir -p $out/bin
+    cp build/${region}_pc/sm64.${region}.f3dex2e $out/bin/sm64ex
+
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    longDescription =
+      extraMeta.description or "Super Mario 64 port based off of decompilation" + "\n" + ''
+        Note that you must supply a baserom yourself to extract assets from.
+        If you are not using an US baserom, you must overwrite the "region" attribute with either "eu" or "jp".
+        If you would like to use patches sm64ex distributes as makeflags, add them to the "compileFlags" attribute.
+      '';
+    mainProgram = "sm64ex";
+    license = licenses.unfree;
+    maintainers = with maintainers; [ ivar ];
+    platforms = platforms.unix;
+  } // extraMeta;
+}
diff --git a/pkgs/games/umoria/default.nix b/pkgs/games/umoria/default.nix
index 1114d47b7be56..13ec037afba78 100644
--- a/pkgs/games/umoria/default.nix
+++ b/pkgs/games/umoria/default.nix
@@ -8,7 +8,7 @@
 }:
 
 let
-  savesDir = "~/.umoria/";
+  savesDir = "~/.umoria";
 in
 gcc9Stdenv.mkDerivation rec {
   pname = "umoria";
@@ -38,24 +38,22 @@ gcc9Stdenv.mkDerivation rec {
 
     RUNDIR=\$(mktemp -d)
 
-    cleanup() {
-      rm -rf \$RUNDIR
-    }
-
-    trap cleanup EXIT
+    # Print the directory, so users have access to dumps, and let the system
+    # take care of cleaning up temp files.
+    echo "Running umoria in \$RUNDIR"
 
     cd \$RUNDIR
-    mkdir data
-
-    for i in $out/data/*; do
-      ln -s \$i "data/\$(basename \$i)"
-    done
+    ln -sn $out/data \$RUNDIR/data
 
     mkdir -p ${savesDir}
     [[ ! -f ${savesDir}/scores.dat ]] && touch ${savesDir}/scores.dat
     ln -s ${savesDir}/scores.dat scores.dat
 
-    $out/.umoria-unwrapped
+    if [ \$# -eq 0 ]; then
+       $out/.umoria-unwrapped ${savesDir}/game.sav
+    else
+       $out/.umoria-unwrapped "\$@"
+    fi
     EOF
 
     chmod +x $out/bin/umoria
@@ -74,7 +72,7 @@ gcc9Stdenv.mkDerivation rec {
     '';
     platforms = platforms.unix;
     badPlatforms = [ "aarch64-darwin" ];
-    maintainers = [ maintainers.aciceri ];
+    maintainers = with maintainers; [ aciceri kenran ];
     license = licenses.gpl3Plus;
   };
 }