From ce9b30767fade2f81950cd6e99e102165b6b06bb Mon Sep 17 00:00:00 2001
From: Colin <colin@uninsane.org>
Date: Sat, 30 Sep 2023 07:07:40 +0000
Subject: [PATCH] fractal-nixified: add a bunch of crateOverrides to get
 *closer* to a complete build

---
 pkgs/additional/fractal-nixified/default.nix | 98 +++++++++++++++++++-
 1 file changed, 97 insertions(+), 1 deletion(-)

diff --git a/pkgs/additional/fractal-nixified/default.nix b/pkgs/additional/fractal-nixified/default.nix
index 4090bbd7..8961038e 100644
--- a/pkgs/additional/fractal-nixified/default.nix
+++ b/pkgs/additional/fractal-nixified/default.nix
@@ -10,8 +10,29 @@
 #   hash = "sha256-z6uURqMG5pT8rXZCv5IzTjXxtt/f4KUeCDSgk90aWdo=";
 # };
 
-{ pkgs }:
+{ pkgs
+, buildPackages
+, clang
+, dbus-glib
+, glib
+, gst_all_1
+, gtk4
+, libadwaita
+, libclang
+, libshumate
+, pipewire
+, pkg-config
+, rustPlatform
+}:
 let
+  gtkDeps = attrs: attrs // {
+    # see: <https://github.com/nix-community/crate2nix/issues/286>
+    # gtk -sys packages declare their system dependencies in Cargo.toml like:
+    # `[package.metadata.system-deps.gstreamer_1_0]`
+    nativeBuildInputs = [ pkg-config ];
+    buildInputs = [ dbus-glib gtk4 ];
+    verbose = true;  #< doesn't seem to do anything
+  };
   cargoNix = import ./Cargo.nix {
     inherit pkgs;
     release = false;
@@ -25,6 +46,81 @@ let
           hash = "sha256-z6uURqMG5pT8rXZCv5IzTjXxtt/f4KUeCDSgk90aWdo=";
         };
       };
+      gdk-pixbuf-sys = gtkDeps;
+      gdk4-wayland-sys = gtkDeps;
+      gdk4-x11-sys = gtkDeps;
+      gio-sys = gtkDeps;
+      gobject-sys = gtkDeps;
+      gstreamer-audio-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ gst_all_1.gst-plugins-base ];
+      };
+      gstreamer-base-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ gst_all_1.gst-plugins-base ];
+      };
+      gstreamer-pbutils-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ gst_all_1.gst-plugins-base ];
+      };
+      gstreamer-play-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [
+          gst_all_1.gst-plugins-bad
+          gst_all_1.gst-plugins-base
+        ];
+      };
+      gstreamer-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ gst_all_1.gst-plugins-base ];
+      };
+      gstreamer-video-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ gst_all_1.gst-plugins-base ];
+      };
+      gst-plugin-gtk4 = attrs: attrs // {
+        # [package.metadata.capi.pkg_config]
+        # requires_private = "gstreamer-1.0, gstreamer-base-1.0, gstreamer-video-1.0, gtk4, gobject-2.0, glib-2.0, gmodule-2.0"
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [
+          gst_all_1.gst-plugins-base
+          gst_all_1.gst-libav
+          gtk4
+          glib
+        ];
+        verbose = true;
+        CARGO_PKG_REPOSITORY = "nixpkgs";
+      };
+      libadwaita-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ libadwaita ];
+      };
+      libshumate-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ libshumate ];
+      };
+      libspa-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ pipewire ];
+        # alternative to this is add `rustPlatform.bindgenHook` to nativeBuildInputs.
+        # i'm just copying the logic from build-support/rust/hooks/rust-bindgen-hook.sh anyway
+        preConfigure = (attrs.preConfigure or "") + ''
+          # export BINDGEN_EXTRA_CLANG_ARGS="$NIX_CFLAGS_COMPILE"
+          export BINDGEN_EXTRA_CLANG_ARGS="$(< ${clang}/nix-support/cc-cflags) $(< ${clang}/nix-support/libc-cflags) $(< ${clang}/nix-support/libcxx-cxxflags) $NIX_CFLAGS_COMPILE"
+        '';
+        LIBCLANG_PATH = "${buildPackages.llvmPackages.libclang.lib}/lib";
+      };
+      pipewire-sys = attrs: attrs // {
+        nativeBuildInputs = [ pkg-config ];
+        buildInputs = [ pipewire ];
+        # alternative to this is add `rustPlatform.bindgenHook` to nativeBuildInputs.
+        # i'm just copying the logic from build-support/rust/hooks/rust-bindgen-hook.sh anyway
+        preConfigure = (attrs.preConfigure or "") + ''
+          # export BINDGEN_EXTRA_CLANG_ARGS="$NIX_CFLAGS_COMPILE"
+          export BINDGEN_EXTRA_CLANG_ARGS="$(< ${clang}/nix-support/cc-cflags) $(< ${clang}/nix-support/libc-cflags) $(< ${clang}/nix-support/libcxx-cxxflags) $NIX_CFLAGS_COMPILE"
+        '';
+        LIBCLANG_PATH = "${buildPackages.llvmPackages.libclang.lib}/lib";
+      };
       # js_int = attrs: attrs // {
       #   features = attrs.features ++ [ "serde" "std" ];
       # };