add an example daedalus-bridge

daedalus-bridge.nix

@@ -0,0 +1,31 @@
+{ target, pkgs, haskellPackages, system, crossSystem, jormungandr }:
+
+let
+  commonLib = import ./nix/iohk-common.nix {};
+  pkgsCross = commonLib.getPkgs { crossSystem = pkgs.lib.systems.examples.mingwW64; };
+  cardano-shell-src = pkgs.fetchFromGitHub {
+    owner = "input-output-hk";
+    repo = "cardano-shell";
+    rev = "efba204c14a83b9e1af9bb138c2d551fe3d7a43e";
+    sha256 = "0cr260b1drj4yal91fxcai9007jgbi2i2mh3mjnkq2rzjz6rvh8s";
+  };
+  cardano-shell = import cardano-shell-src { inherit system crossSystem; }; # todo, shell should accept target
+in pkgs.runCommandCC "daedalus-bridge" {} ''
+  mkdir -pv $out
+  cd $out
+  cp ${haskellPackages.cardano-wallet-jormungandr.components.exes.cardano-wallet-jormungandr}/bin/cardano-wallet-jormungandr* .
+  cp ${cardano-shell.nix-tools.cexes.cardano-launcher.cardano-launcher}/bin/cardano-launcher* .
+  #cp {nix-tools.cexes.cardano-node.cardano-node}/bin/cardano-node* .
+  ${pkgs.lib.optionalString (target == "x86_64-windows") ''
+    echo ${jormungandr}
+    cp ${pkgsCross.libffi}/bin/libffi-6.dll .
+    cp ${pkgsCross.openssl.out}/lib/libeay32.dll .
+  ''}
+  ${pkgs.lib.optionalString (target == "x86_64-linux") ''
+    chmod +w -R .
+    for bin in cardano-launcher; do
+      strip $bin
+      patchelf --shrink-rpath $bin
+    done
+  ''}
+''

default.nix

@@ -1,14 +1,25 @@
-{ system ? builtins.currentSystem
-, crossSystem ? null
-, config ? {}
-# Import IOHK common nix lib
-, iohkLib ? import ./nix/iohk-common.nix { inherit system crossSystem config; }
-# Use nixpkgs pin from iohkLib
-, pkgs ? iohkLib.pkgs
+{ config ? {}
+, target ? builtins.currentSystem
 }:
 
-with import ./nix/util.nix { inherit pkgs; };
 
+let
+  commonLib = import ./nix/iohk-common.nix {};
+  lib = commonLib.pkgs.lib;
+  systemTable = {
+    x86_64-windows = builtins.currentSystem;
+  };
+  crossSystemTable = {
+    x86_64-windows = lib.systems.examples.mingwW64;
+  };
+  system = systemTable.${target} or target;
+  crossSystem = crossSystemTable.${target} or null;
+  # Import IOHK common nix lib
+  iohkLib = import ./nix/iohk-common.nix { inherit system crossSystem config; };
+  # Use nixpkgs pin from iohkLib
+  pkgs = iohkLib.pkgs;
+in
+with import ./nix/util.nix { inherit pkgs; };
 let
   haskell = iohkLib.nix-tools.haskell { inherit pkgs; };
   src = iohkLib.cleanSourceHaskell ./.;
@@ -39,6 +50,8 @@ in {
   tests = collectComponents "tests" isCardanoWallet haskellPackages;
   benchmarks = collectComponents "benchmarks" isCardanoWallet haskellPackages;
 
+  daedalus-bridge = import ./daedalus-bridge.nix { inherit target pkgs haskellPackages system crossSystem jormungandr; };
+
   shell = haskellPackages.shellFor {
     name = "cardano-wallet-shell";
     packages = ps: with ps; [