Nix: add hwdata overlay (#1010)

flake.nix

@@ -24,13 +24,7 @@
     pkgsFor = genSystems (system: import nixpkgs {
       inherit system;
       overlays = [(_: prev: {
-        wayland-protocols = prev.wayland-protocols.overrideAttrs (old: rec {
+        hwdata = prev.callPackage ./nix/hwdata.nix {};
-          version = "1.27";
-          src = prev.fetchurl {
-            url = "https://gitlab.freedesktop.org/wayland/${old.pname}/-/releases/${version}/downloads/${old.pname}-${version}.tar.xz";
-            hash = "sha256-kEbxCkJdTioAlloDrPtrP7V1pWUDrHLCuGghxpZTN1w=";
-          };
-        });
       })];
     });
 

nix/hwdata.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "hwdata";
+  version = "0.363";
+
+  src = fetchFromGitHub {
+    owner = "vcrhonek";
+    repo = "hwdata";
+    rev = "v${version}";
+    sha256 = "sha256-A6GNrHc/t2SVyAyJWmzQTa+pD9wGESsz7DNruW2kH4s=";
+  };
+
+  postPatch = ''
+    patchShebangs ./configure
+  '';
+
+  configureFlags = [ "--datadir=${placeholder "out"}/share" ];
+
+  doCheck = false; # this does build machine-specific checks (e.g. enumerates PCI bus)
+
+  meta = {
+    homepage = "https://github.com/vcrhonek/hwdata";
+    description = "Hardware Database, including Monitors, pci.ids, usb.ids, and video cards";
+    license = lib.licenses.gpl2Plus;
+    platforms = lib.platforms.all;
+  };
+}

nix/wlroots.nix

@@ -6,6 +6,7 @@
   xwayland,
   fetchpatch,
   lib,
+  hwdata,
   hidpiXWayland ? true,
   enableXWayland ? true,
   nvidiaPatches ? false,
@@ -51,6 +52,7 @@ assert (lib.assertMsg (hidpiXWayland -> enableXWayland) ''
           ''
           else ""
         );
+      buildInputs = old.buildInputs ++ [hwdata];
     }))
   .override {
     xwayland = xwayland.overrideAttrs (old: {