From 84e78712006f8479deaf384540db69907514393b Mon Sep 17 00:00:00 2001
From: 514fpv <koishi@514fpv.one>
Date: Mon, 15 Jan 2024 18:57:35 +0800
Subject: [PATCH] fix: add BLHeliSuite32 desktop item and icon

Extracted from the MacOS app distribution.
---
 home/util/package/blheli32.nix | 54 +++++++++++++++++++++++++++++++++-
 1 file changed, 53 insertions(+), 1 deletion(-)

diff --git a/home/util/package/blheli32.nix b/home/util/package/blheli32.nix
index e93274ab..18656550 100644
--- a/home/util/package/blheli32.nix
+++ b/home/util/package/blheli32.nix
@@ -1,14 +1,19 @@
 { lib
+, libicns
+, p7zip
 , fetchzip
+, stdenvNoCC
+, makeDesktopItem
 , buildFHSUserEnv }: let
   name = "BLHeliSuite32";
   pname = "blhelisuite32";
   workdir = "/tmp/${pname}";
   version = "32.10";
+  suffix = "1044";
 
   dist = fetchzip {
     name = "${pname}-dist";
-    url = "https://github.com/bitdump/BLHeli/releases/download/Rev${version}/${name}xLinux64_1044.zip";
+    url = "https://github.com/bitdump/BLHeli/releases/download/Rev${version}/${name}xLinux64_${suffix}.zip";
     hash = "sha256-lempCne+Sf/38WHfJHRdL6MspSpi+UhpZNFcsPgI0jw=";
 
     postFetch = ''
@@ -17,6 +22,40 @@
       ln -s ${workdir}/music $out/Music
     '';
   };
+
+  desktopItem = makeDesktopItem {
+    name = pname;
+    exec = pname;
+    icon = pname;
+    comment = "This Application may flash and configure BLHeli_32 based ESCs";
+    desktopName = name;
+    genericName = "BLHeli for brushless ESC firmware";
+  };
+
+  icons = stdenvNoCC.mkDerivation {
+    pname = "${pname}-icons";
+    inherit version;
+    src = fetchzip {
+      name = "${pname}-macos";
+      url = "https://github.com/bitdump/BLHeli/releases/download/Rev${version}/${name}xm_MacOS64_${suffix}.zip";
+      hash = "sha256-StRnrVI8p51vNsTMO1LtaZvENbG7XZ1V/mKHe4pO7kU=";
+    };
+
+    nativeBuildInputs = [ libicns p7zip ];
+
+    configurePhase = ''
+      7z x *.dmg
+    '';
+
+    buildPhase = ''
+      icns2png -x ${name}xm_MacOS64_${suffix}/${name}xm.app/Contents/Resources/${name}xm.icns
+    '';
+
+    installPhase = ''
+      mkdir -p "$out"
+      cp -r ${name}*.png "$out"
+    '';
+  };
 in buildFHSUserEnv {
   inherit pname;
   targetPkgs = pkgs: (with pkgs; [
@@ -24,6 +63,19 @@ in buildFHSUserEnv {
     libgcc gtk3
     zlib systemdLibs
   ]);
+  extraInstallCommands = let
+    mkIconScale = scale:
+    "install -m 444 -D ${icons}/${name}xm_${scale}x${scale}x32.png $out/share/icons/hicolor/${scale}x${scale}/apps/${pname}.png";
+  in ''
+    ${mkIconScale "16"}
+    ${mkIconScale "32"}
+    ${mkIconScale "64"}
+    ${mkIconScale "128"}
+    ${mkIconScale "256"}
+    ${mkIconScale "512"}
+    ${mkIconScale "1024"}
+    cp -r ${desktopItem}/share/applications $out/share/
+  '';
 
   runScript = "sh -c '" +
   "mkdir -p ${workdir}/settings && " +