first working version using both methods

Signed-off-by: Jakub Sokołowski <jakub@status.im>

nix/default.nix

@@ -1,5 +1,7 @@
+#{ pkgs ? import <nixpkgs> {
 { pkgs ? import ../../nixpkgs {
   config.android_sdk.accept_license = true;
 } }:
 
-pkgs.callPackage ./mobile.nix { }
+#pkgs.callPackage ./mobile_pkg.nix { }
+pkgs.callPackage ./mobile_mod.nix { }

nix/mobile_mod.nix

@@ -0,0 +1,60 @@
+{ lib, pkgs, callPackage, buildGoModule }:
+
+let
+  androidPkgs = pkgs.androidenv.composeAndroidPackages {
+    platformVersions = [ "23" ];
+    ndkVersion = "22.1.7171670";
+    includeNDK = true;
+  };
+  androidSdk = androidPkgs.androidsdk;
+  #gomobile = pkgs.gomobile.override { inherit androidPkgs; };
+in buildGoModule {
+  pname = "go-waku";
+  version = "devel";
+  vendorSha256 = "sha256-+U8mlEK7HvCtssI8VDqxGaOvi+IU0+cr4isZLl9sB4o=";
+  deleteVendor = true;
+  doCheck = false;
+
+  src = ./..;
+
+  nativeBuildInputs = [ pkgs.gomobile pkgs.openjdk8 ];
+
+  # We can't symlink gomobile src in vendor created by buildGoModule.
+  proxyVendor = true;
+
+  ANDROID_HOME = "${androidSdk}/libexec/android-sdk";
+
+  # Correct GOPATH necessary to avoid error:
+  # `no exported names in the package "_/build/go-waku/mobile"`
+  preBuild = ''
+    export GO111MODULE=off
+    mkdir -p /build/go/src/github.com/status-im
+    mv /build/go-waku /build/go/src/github.com/status-im/
+    cd /build/go/src/github.com/status-im/go-waku
+  '';
+
+  buildPhase = ''
+    runHook preBuild
+    gomobile bind -x \
+      -target=android/arm64 \
+      -androidapi=23 \
+      -ldflags="-s -w" \
+      -o go-waku.aar \
+      ./mobile
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+    mv go-waku.aar $out/
+  '';
+
+  #buildPhase = ''
+  #  echo $ANDROID_HOME
+  #  gomobile bind -x \
+  #    -target=ios \
+  #    -iosversion=8.0 \
+  #    -ldflags="-s -w" \
+  #    -o ./build/lib/go-waku.xcframework \
+  #    ./mobile
+  #'';
+}

nix/mobile_pkg.nix

@@ -1,44 +1,41 @@
-{ lib, pkgs, callPackage, buildGoModule }:
+{ lib, pkgs, callPackage, buildGoModule, buildGoPackage }:
 
 let
   androidPkgs = pkgs.androidenv.composeAndroidPackages {
-    includeNDK = true;
+    toolsVersion = "26.1.1";
+    platformToolsVersion = "33.0.1";
+    buildToolsVersions = [ "31.0.0" ];
+    platformVersions = [ "30" ];
+    cmakeVersions = [ "3.18.1" ];
     ndkVersion = "22.1.7171670";
+    includeNDK = true;
   };
   androidSdk = androidPkgs.androidsdk;
   gomobile = pkgs.gomobile.override { inherit androidPkgs; };
-in buildGoModule {
+in buildGoPackage rec {
   pname = "go-waku";
   version = "devel";
-  vendorSha256 = "sha256-+W5PnVmD4oPh3a8Ik9Xn3inCI8shqEsdlkG/d6PQntk=";
-  GIT_COMMIT = "TODO";
-  doCheck = false;
+  goPackagePath = "github.com/status-im/go-waku";
 
   src = ./..;
 
   extraSrcPaths = [ gomobile ];
   nativeBuildInputs = [ gomobile pkgs.openjdk8 ];
 
-  # We can't symlink gomobile src in vendor created by buildGoModule.
-  proxyVendor = true;
-
   ANDROID_HOME = "${androidSdk}/libexec/android-sdk";
-  GO111MODULE = "off";
-  GOMOBILE = gomobile;
-
-  shellHook = ''
-    env | grep -E '^(ANDROID|GO)'
-  '';
 
   buildPhase = ''
-    runHook shellHook
-    unset GOARCH
     gomobile bind -x \
       -target=android/arm64 \
       -androidapi=23 \
       -ldflags="-s -w" \
-      -o ./build/lib/gowaku.aar \
-      ./mobile
+      -o go-waku.aar \
+      ${goPackagePath}/mobile
+  '';
+
+  installPhase = ''
+    mkdir -p $out
+    mv go-waku.aar $out/
   '';
 
   #buildPhase = ''
@@ -47,7 +44,7 @@ in buildGoModule {
   #    -target=ios \
   #    -iosversion=8.0 \
   #    -ldflags="-s -w" \
-  #    -o ./build/lib/Gowaku.xcframework \
+  #    -o ./build/lib/go-waku.xcframework \
   #    ./mobile
   #'';
 }