add custom emulator

default.nix

@@ -1,18 +1,18 @@
-{ target ? null
+{ target
 , defaultFeatures ? true
 , features ? ""
 }:
 
 let
   systems = import ./systems.nix;
-  inherit (systems.${target}) rustTarget isStatic;
+  system = systems.${target};
 
-  pkgs = import (fetchTarball "https://github.com/soywod/nixpkgs/archive/master.tar.gz") (if isNull target then { } else {
+  pkgs = import (fetchTarball "https://github.com/soywod/nixpkgs/archive/master.tar.gz") {
     crossSystem = {
       isStatic = true;
       config = target;
     };
-  });
+  };
 
   inherit (pkgs) lib hostPlatform;
 
@@ -22,7 +22,7 @@ let
 
   rustToolchain = mkToolchain.fromTarget {
     inherit lib;
-    targetSystem = rustTarget;
+    targetSystem = system.rustTarget;
   };
 
   rustPlatform = pkgs.makeRustPlatform {
@@ -32,7 +32,7 @@ let
 
   himalayaExe =
     let ext = lib.optionalString hostPlatform.isWindows ".exe";
-    in "${hostPlatform.emulator pkgs.buildPackages} ./himalaya${ext}";
+    in "${(system.emulator or hostPlatform.emulator) pkgs.buildPackages} ./himalaya${ext}";
 
   himalaya = import ./package.nix {
     inherit lib hostPlatform rustPlatform;

package.nix

@@ -37,6 +37,7 @@ rustPlatform.buildRustPackage rec {
     ++ lib.optional (installManPages || installShellCompletions) installShellFiles;
 
   buildInputs = [ ]
+    ++ lib.optionals hostPlatform.isDarwin (with darwin.apple_sdk.frameworks; [ Security ])
     ++ lib.optional (builtins.elem "notmuch" buildFeatures) notmuch
     ++ lib.optional (builtins.elem "pgp-gpg" buildFeatures) gpgme;
 

systems.nix

@@ -1,46 +1,38 @@
 {
   aarch64-apple-darwin = {
     rustTarget = "aarch64-apple-darwin";
-    isStatic = true;
   };
 
   aarch64-unknown-linux-musl = {
     rustTarget = "aarch64-unknown-linux-musl";
-    isStatic = true;
   };
 
   armv6l-unknown-linux-musleabihf = {
     rustTarget = "arm-unknown-linux-musleabihf";
-    isStatic = true;
   };
 
   armv7l-unknown-linux-musleabihf = {
     rustTarget = "armv7-unknown-linux-musleabihf";
-    isStatic = true;
   };
 
   i686-unknown-linux-musl = {
     rustTarget = "i686-unknown-linux-musl";
-    isStatic = true;
   };
 
   i686-w64-mingw32 = {
     rustTarget = "i686-pc-windows-gnu";
-    isStatic = false;
+    emulator = pkgs: "${pkgs.wine}/bin/wine";
   };
 
   x86_64-apple-darwin = {
     rustTarget = "x86_64-apple-darwin";
-    isStatic = true;
   };
 
   x86_64-unknown-linux-musl = {
     rustTarget = "x86_64-unknown-linux-musl";
-    isStatic = true;
   };
 
   x86_64-w64-mingw32 = {
     rustTarget = "x86_64-pc-windows-gnu";
-    isStatic = false;
   };
 }