[NixOS] Get taffybar compiling on ghc94, which avoids mmap issue

dotfiles/config/taffybar/flake.nix

@@ -2,21 +2,48 @@
   inputs = {
     taffybar.url = path:./taffybar;
     flake-utils.url = github:numtide/flake-utils;
+    xmonad.url = github:xmonad/xmonad/master;
   };
-  outputs = { self, flake-utils, taffybar, nixpkgs }:
+  outputs = { self, flake-utils, taffybar, nixpkgs, xmonad }:
   let
-    overlay = import ./overlay.nix;
-    overlays = taffybar.overlays ++ [ overlay ];
-  in flake-utils.lib.eachDefaultSystem (system:
-  let pkgs = import nixpkgs { inherit system overlays; config.allowBroken = true; };
-  in
-  rec {
-    devShell = pkgs.haskellPackages.shellFor {
-      packages = p: [ p.imalison-taffybar p.taffybar ];
-      nativeBuildInputs = with pkgs.haskellPackages; [
-        cabal-install hlint ghcid ormolu implicit-hie haskell-language-server
+    hoverlay = final: prev: hself: hsuper: {
+      imalison-taffybar = prev.haskell.lib.addPkgconfigDepends (
+        hself.callCabal2nix "imalison-taffybar"
+        (
+          final.lib.sourceByRegex ./.
+          ["taffybar.hs" "imalison-taffybar.cabal"]
+        )
+        { }) [
+          final.util-linux.dev
+          final.pcre2
+          final.pcre
+          final.libselinux.dev
+          final.libsepol.dev
+          final.fribidi.out
+          final.fribidi.dev
+          final.libthai.dev
+          final.libdatrie.dev
+          final.xorg.libXdmcp.dev
+          final.libxkbcommon.dev
+          final.libepoxy.dev
+          final.xorg.libXtst.out
         ];
     };
-    defaultPackage = pkgs.haskellPackages.imalison-taffybar;
+    defComp = { compiler = "ghc94"; };
+    overlay = xmonad.lib.fromHOL hoverlay defComp;
+    overlays = [ taffybar.overlay overlay ];
+  in flake-utils.lib.eachDefaultSystem (system:
+  let pkgs = import nixpkgs { inherit system overlays; config.allowBroken = true; };
+      hpkgs = pkgs.lib.attrsets.getAttrFromPath (xmonad.lib.hpath defComp) pkgs;
+  in
+  rec {
+    devShell = hpkgs.shellFor {
+      packages = p: [ p.imalison-taffybar p.taffybar ];
+      nativeBuildInputs = with hpkgs; [
+        cabal-install
+        # ghcid ormolu implicit-hie haskell-language-server hlint
+      ];
+    };
+    defaultPackage = hpkgs.imalison-taffybar;
   }) // { inherit overlay overlays; } ;
 }

dotfiles/config/taffybar/overlay.nix

@@ -1,13 +0,0 @@
-final: prev: {
-  haskellPackages = prev.haskellPackages.override (old: {
-    overrides = prev.lib.composeExtensions (old.overrides or (_: _: {}))
-    (hself: hsuper: {
-      imalison-taffybar = hself.callCabal2nix "imalison-taffybar"
-      (
-        final.lib.sourceByRegex ./.
-        ["taffybar.hs" "imalison-taffybar.cabal"]
-      )
-      { };
-    });
-  });
-}

dotfiles/config/taffybar/taffybar

@@ -1 +1 @@
-Subproject commit 5d1685f87ecbf283119110d002813d82f74342ea
+Subproject commit fec8b0e408c7ae9be1b7be819c7d81900225aae6

nixos/base.nix

@@ -19,7 +19,6 @@
     xmonad.overlay
     xmonad-contrib.overlay
     notifications-tray-icon.overlay
-    (import ../dotfiles/config/taffybar/overlay.nix)
     (import ./overlay.nix)
   ] ++ taffybar.overlays;
 

nixos/essential.nix

@@ -52,7 +52,6 @@ in
     # Haskell Desktop
     haskellPackages.xmonad
     haskellPackages.imalison-xmonad
-    haskellPackages.imalison-taffybar
     # haskellPackages.notifications-tray-icon
     haskellPackages.gtk-sni-tray
     haskellPackages.status-notifier-item

nixos/flake.nix

@@ -20,8 +20,11 @@
       inputs.nixpkgs.follows = "nixpkgs";
     };
     taffybar = {
-      # url = path:../dotfiles/config/taffybar/taffybar;
-      url = github:taffybar/taffybar;
+      url = path:../dotfiles/config/taffybar/taffybar;
+      inputs.nixpkgs.follows = "nixpkgs";
+    };
+    imalison-taffybar = {
+      url = path:../dotfiles/config/taffybar;
       inputs.nixpkgs.follows = "nixpkgs";
     };
     notifications-tray-icon = {
@@ -33,7 +36,7 @@
   };
   outputs = inputs@{
     self, nixpkgs, nixos-hardware, home-manager, taffybar, xmonad,
-    xmonad-contrib, notifications-tray-icon, nix
+    xmonad-contrib, notifications-tray-icon, nix, imalison-taffybar,
   }:
   let
     mkConfig =

nixos/home-manager.nix

@@ -1,4 +1,4 @@
-{ pkgs, config, ... }: {
+inputs: { pkgs, config, ... }: {
   xsession = {
     enable = true;
     preferStatusNotifierItems = true;
@@ -35,7 +35,7 @@
 
   services.taffybar = {
     enable = true;
-    package = pkgs.haskellPackages.imalison-taffybar;
+    package = inputs.imalison-taffybar.defaultPackage."${pkgs.system}";
   };
 
   services.notify-osd = {

nixos/nixpkgs

@@ -1 +1 @@
-Subproject commit df78ece042baf74f25b855df3f2dfb759e8b1c91
+Subproject commit 800e99c79266dc855c63076468a7088a74ef2410

nixos/users.nix

@@ -41,7 +41,7 @@
     };
   };
 
-  nix.settings.trustedUsers = [ "root" "imalison" "kat" ];
+  nix.settings.trusted-users = [ "root" "imalison" "kat" ];
 
   imports = [
     inputs.home-manager.nixosModule
@@ -49,5 +49,5 @@
 
   home-manager.useGlobalPkgs = true;
   home-manager.useUserPackages = true;
-  home-manager.users.imalison = import ./home-manager.nix;
+  home-manager.users.imalison = (import ./home-manager.nix) inputs;
 }