From f61c62266fd5012218e08aae756e378d119dcb45 Mon Sep 17 00:00:00 2001
From: "Alexander \"PapaTutuWawa" <papatutuwawa@polynom.me>
Date: Mon, 6 Sep 2021 21:13:35 +0200
Subject: [PATCH] mashu: Add a patched version of libwacom

---
 hosts/mashu.nix      |  2 +-
 overlays/default.nix |  1 +
 overlays/surface.nix | 37 +++++++++++++++++++++++++++++++++++++
 3 files changed, 39 insertions(+), 1 deletion(-)
 create mode 100644 overlays/surface.nix

diff --git a/hosts/mashu.nix b/hosts/mashu.nix
index 245cdb0..e2459b5 100644
--- a/hosts/mashu.nix
+++ b/hosts/mashu.nix
@@ -5,7 +5,7 @@ let
 in mkHost config {
   userName = "alexander";
   hostName = "mashu";
-  overlays = [ "nur" "unstable" "simple" "custom" ];
+  overlays = [ "nur" "unstable" "simple" "custom" "surface" ];
   hardwareImports = [
     "intel"
     "wifi"
diff --git a/overlays/default.nix b/overlays/default.nix
index 1e7e42f..a760f29 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -14,4 +14,5 @@
   unstable = import ./unstable.nix pkgs;
   custom = import ./custom.nix pkgs;
   simple = import ./simple.nix pkgs;
+  surface = import ./surface.nix pkgs;
 }
diff --git a/overlays/surface.nix b/overlays/surface.nix
new file mode 100644
index 0000000..d52e302
--- /dev/null
+++ b/overlays/surface.nix
@@ -0,0 +1,37 @@
+pkgs: final: prev:
+
+let
+  libwacomPatchesCommit = "f811946d7d8bacb3b9ee75f08c150c435ad59331";
+  mkPatch = name: sha256: pkgs.fetchpatch {
+    name = "${name}.patch";
+    url = "https://raw.githubusercontent.com/linux-surface/libwacom-surface/${libwacomPatchesCommit}/${name}.patch";
+    sha256 = sha256;
+  };
+in {
+  libwacom = prev.libwacom.overrideAttrs (old: rec {
+    version = "1.12";
+    src = prev.fetchFromGitHub {
+      owner = "linuxwacom";
+      repo = "libwacom";
+      rev = "libwacom-${version}";
+      sha256 = "130jqzyb3v0knn0i8qib5rdndabj15r66ccj264gg2i53nab88x4";
+    };
+
+    patches = [
+      (mkPatch "0001-Add-support-for-BUS_VIRTUAL" "1x8jd062gz5jbddj7nm38irfy50092balsrcsjxfd07sqc6f1z7m")
+      (mkPatch "0002-Add-support-for-Intel-Management-Engine-bus" "0cz7ps9b8p0x62rpi2drhkwifvp99rngvz40qrlm5x2bi1drgavk")
+      (mkPatch "0003-data-Add-Microsoft-Surface-pro-4" "0f2kn8d25n3zr1j3xvaa50b6jf4gj8kd6pd5vp5vvl9bgs2m9l0j")
+      (mkPatch "0004-data-Add-Microsoft-Surface-pro-5" "17llns4kmf5hm7h5k6xnhnwxdwfyqlrqzkfr7gml89l0vr1xh194")
+      (mkPatch "0005-data-Add-Microsoft-Surface-pro-6" "0li3a5j8pdsa5xj69pva7008izkz4gf4vhxmwxflix0isi208ay0")
+      (mkPatch "0006-data-Add-Microsoft-Surface-pro-7" "0i79ja6yxm99q1xg916105k6j9m1slm7nba6h3q8z7dcj0x6ndsy")
+      (mkPatch "0007-data-Add-Microsoft-Surface-Book" "15hqyc6853rjd33gcnq59rl5wc42fj1xm1iin2l3f95nqk5fyqfc")
+      (mkPatch "0008-data-Add-Microsoft-Surface-Book-2-13.5" "1sx7v849fv225avhpi73dnf0azgwk570fv8r6ypvc5kzxz8ljjmj")
+      (mkPatch "0009-data-Add-Microsoft-Surface-Book-2-15" "00vyjlmgh7ziic77k5vfp9y02fdqqdc1f729y30plyvjy6vxmw11")
+      (mkPatch "0010-data-Add-Microsoft-Surface-Book-3-13.5" "10w6npa8lsikxjwvfzz3jhwj9dx1zg3djaq0jkmns2qqbs23s9ml")
+      (mkPatch "0011-data-Add-Microsoft-Surface-Book-3-15" "03yl4v9b160rbynj1zpsg3xjysj269yawz1x8jjkr6j4ka3l0ldx")
+    ];
+
+    # TODO: ???
+    buildInputs = old.buildInputs ++ [prev.python3];
+  });
+}