osu-mime: fix icon collisions with Nixpkgs' osu-lazer-bin

pkgs/osu-mime/default.nix

@@ -21,9 +21,16 @@ in
         url = "https://raw.githubusercontent.com/ppy/osu-web/${osu-web-rev}/public/images/layout/osu-logo-white.svg";
         sha256 = "XvYBIGyvTTfMAozMP9gmr3uYEJaMcvMaIzwO7ZILrkY=";
       })
-      (fetchurl {
-        url = "https://aur.archlinux.org/cgit/aur.git/plain/osu-file-extensions.xml?h=osu-mime&id=${osu-mime-spec-rev}";
-        sha256 = "MgQNW0RpnEYTC0ym6wB8cA6a8GCED1igsjOtHPXNZVo=";
+      (stdenvNoCC.mkDerivation {
+        name = "osu-file-extensions";
+        src = fetchurl {
+          url = "https://aur.archlinux.org/cgit/aur.git/plain/osu-file-extensions.xml?h=osu-mime&id=${osu-mime-spec-rev}";
+          sha256 = "MgQNW0RpnEYTC0ym6wB8cA6a8GCED1igsjOtHPXNZVo=";
+        };
+        unpackPhase = "cp $src ./osu-file-extensions.xml";
+        installPhase = "cp osu-file-extensions.xml $out";
+        # Patch to change the icon names from "osu!" to "osu!mime".
+        patches = [./osu-mime-change-icon.patch];
       })
     ];
 
@@ -51,10 +58,10 @@ in
           # Generate icon
           rsvg-convert -w "$size" -h "$size" -f png -o "osu-logo-triangles.png" "''${srcs[0]}"
           rsvg-convert -w "$size" -h "$size" -f png -o "osu-logo-white.png" "''${srcs[1]}"
-          convert -composite "osu-logo-triangles.png" "osu-logo-white.png" -gravity center 'osu!.png'
+          convert -composite "osu-logo-triangles.png" "osu-logo-white.png" -gravity center 'osu!mime.png'
 
           mkdir -p "$icon_dir"
-          mv 'osu!.png' "$icon_dir"
+          mv 'osu!mime.png' "$icon_dir"
       done
 
       cp "''${srcs[2]}" "$mime_dir/osu.xml"
@@ -63,7 +70,7 @@ in
     meta = with lib; {
       description = "MIME types for osu!";
       license = licenses.agpl3Only; # osu-web uses AGPL v3.0
-      maintainers = with lib.maintainers; [PlayerNameHere];
+      maintainers = with lib.maintainers; [dixslyf];
       platforms = ["x86_64-linux"];
     };
   }

pkgs/osu-mime/osu-mime-change-icon.patch

@@ -0,0 +1,48 @@
+diff --git a/osu-file-extensions.xml b/osu-file-extensions.xml
+index 9270d15..43add11 100644
+--- a/osu-file-extensions.xml
++++ b/osu-file-extensions.xml
+@@ -6,37 +6,37 @@
+     <magic priority="60">
+         <match type="string" offset="0" value="osu file format v"/>
+     </magic>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! beatmap</comment>
+   </mime-type>
+   <mime-type type="application/x-osu-storyboard">
+     <glob pattern="*.osb"/>
+     <sub-class-of type="text/plain"/>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! storyboard</comment>
+   </mime-type>
+   <mime-type type="application/x-osu-skin-archive">
+     <glob pattern="*.osk"/>
+     <sub-class-of type="application/zip"/>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! skin archive</comment>
+   </mime-type>
+   <mime-type type="application/x-osu-replay">
+     <glob pattern="*.osr"/>
+     <sub-class-of type="application/octet-stream"/>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! replay</comment>
+   </mime-type>
+   <mime-type type="application/x-osu-beatmap-archive">
+     <glob pattern="*.osz"/>
+     <sub-class-of type="application/zip"/>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! beatmap archive</comment>
+   </mime-type>
+   <mime-type type="application/x-osu-beatmap-archive">
+     <glob pattern="*.osz2"/>
+     <sub-class-of type="application/zip"/>
+-    <icon name="osu!"/>
++    <icon name="osu!mime"/>
+     <comment>osu! beatmap archive</comment>
+   </mime-type>
+ </mime-info>

pkgs/osu-stable/default.nix

@@ -62,7 +62,7 @@
   desktopItems = makeDesktopItem {
     name = pname;
     exec = "${script}/bin/${pname} %U";
-    icon = "osu!"; # icon comes from the osu-mime package
+    icon = "osu!mime"; # icon comes from the osu-mime package
     comment = "Rhythm is just a *click* away";
     desktopName = "osu!stable";
     categories = ["Game"];