usbutils: add darwin support

pkgs/by-name/us/usbutils/package.nix

@@ -3,6 +3,7 @@
   stdenv,
   fetchurl,
   substituteAll,
+  fetchpatch,
   meson,
   ninja,
   pkg-config,
@@ -20,12 +21,19 @@ stdenv.mkDerivation rec {
     hash = "sha256-g/aLWbWFR1icACZugmcYZGJ1k6tDYtjIB/UO6pI8rZM=";
   };
 
-  patches = [
-    (substituteAll {
-      src = ./fix-paths.patch;
-      inherit hwdata;
-    })
-  ];
+  patches =
+    [
+      (substituteAll {
+        src = ./fix-paths.patch;
+        inherit hwdata;
+      })
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isDarwin [
+      (fetchpatch {
+        url = "https://raw.githubusercontent.com/Homebrew/formula-patches/24a6945778381a62ecdcc1d78bcc16b9f86778c1/usbutils/portable.patch";
+        hash = "sha256-spTkWURij4sPLoWtDaWVMIk81AS5W+qUUOQL1pAZEvs=";
+      })
+    ];
 
   nativeBuildInputs = [
     meson
@@ -37,13 +45,16 @@ stdenv.mkDerivation rec {
     python3
   ];
 
-  outputs = [
-    "out"
-    "man"
-    "python"
-  ];
+  outputs =
+    [
+      "out"
+      "man"
+    ]
+    ++ lib.optionals stdenv.hostPlatform.isLinux [
+      "python" # uses sysfs
+    ];
 
-  postInstall = ''
+  postInstall = lib.optionalString stdenv.hostPlatform.isLinux ''
     moveToOutput "bin/lsusb.py" "$python"
     install -Dm555 usbreset -t $out/bin
   '';
@@ -51,12 +62,15 @@ stdenv.mkDerivation rec {
   meta = {
     homepage = "http://www.linux-usb.org/";
     description = "Tools for working with USB devices, such as lsusb";
-    maintainers = with lib.maintainers; [ cafkafk ];
+    maintainers = with lib.maintainers; [
+      cafkafk
+      chuangzhu
+    ];
     license = with lib.licenses; [
       gpl2Only # manpages, usbreset
       gpl2Plus # most of the code
     ];
-    platforms = lib.platforms.linux;
+    platforms = with lib.platforms; linux ++ darwin;
     mainProgram = "lsusb";
   };
 }