nix: map android arch to status-go builds

Fixes partially #15595
In order to build less targets, when not needed we introduce this
mapping logic.
If only specific ABI is required - status-go will have the same
arhitecuture.

nix/mobile/android/default.nix

@@ -15,19 +15,11 @@ rec {
     ];
 
     inputsFrom = [
-      release
+      (release {})
       androidShell
     ];
 
     shellHook = ''
-      export ANDROID_SDK_ROOT="${androidPkgs.sdk}"
-      export ANDROID_NDK_ROOT="${androidPkgs.ndk}"
-
-      export STATUS_NIX_MAVEN_REPO="${deps.gradle}"
-
-      # required by some makefile targets
-      export STATUS_GO_ANDROID_LIBDIR=${status-go}
-
       # check if node modules changed and if so install them
       $STATUS_MOBILE_HOME/nix/scripts/node_modules.sh ${deps.nodejs-patched}
     '';

nix/mobile/android/release.nix

@@ -30,6 +30,9 @@ let
   # Pass secretsFile for POKT_TOKEN to jsbundle build
   builtJsBundle = jsbundle { inherit secretsFile; };
 
+  # Map ANDROID_ABI_INCLUDE to status-go targets
+  androidAbiIncludeSplit = lib.splitString ";" androidAbiInclude;
+
 
   envFileName =
     if androidAbiInclude == "x86"                  then ".env.e2e"
@@ -77,20 +80,25 @@ in stdenv.mkDerivation rec {
   ANDROID_ABI_SPLIT = androidAbiSplit;
   ANDROID_ABI_INCLUDE = androidAbiInclude;
 
-  # Android SDK/NDK for use by Gradle
-  ANDROID_SDK_ROOT = "${androidPkgs.sdk}";
-  ANDROID_NDK_ROOT = "${androidPkgs.ndk}";
-
   # Fix for ERR_OSSL_EVP_UNSUPPORTED error.
   NODE_OPTIONS = "--openssl-legacy-provider";
 
-  # Used by the Android Gradle build script in android/build.gradle
-  STATUS_GO_ANDROID_LIBDIR = status-go;
-
   phases = [
-    "unpackPhase" "secretsPhase" "buildPhase" "checkPhase" "installPhase"
+    "shellHook" "unpackPhase" "secretsPhase" "buildPhase" "checkPhase" "installPhase"
   ];
 
+  # We use shellHook as a single place to setup env vars for both build derivation and shell
+  shellHook = ''
+    # Used by the Android Gradle build script in android/build.gradle
+    export STATUS_GO_ANDROID_LIBDIR=${ status-go { abis = androidAbiIncludeSplit; } }
+
+    # Android SDK/NDK for use by Gradle
+    export ANDROID_SDK_ROOT="${androidPkgs.sdk}"
+    export ANDROID_NDK_ROOT="${androidPkgs.ndk}"
+
+    export STATUS_NIX_MAVEN_REPO="${deps.gradle}"
+  '';
+
   unpackPhase = ''
     cp -ar $src/. ./
     chmod u+w -R ./

nix/shells.nix

@@ -66,7 +66,7 @@ let
     # helpers for use with target argument
     ios = targets.mobile.ios.shell;
     android = targets.mobile.android.shell;
-    status-go = targets.status-go.mobile.android;
+    status-go = targets.status-go.mobile.android {};
   };
 
   # for merging the default shell with others

nix/status-go/mobile/default.nix

@@ -1,10 +1,18 @@
 { callPackage, meta, source, goBuildLdFlags }:
 
 {
-  android = callPackage ./build.nix {
+  android = {abis ? [ "armeabi-v7a" "arm64-v8a" "x86" ]}: callPackage ./build.nix {
     platform = "android";
     platformVersion = "23";
-    targets = [ "android/arm" "android/arm64" "android/386" ];
+    # Hide different arch naming in gomobile from Android builds.
+    targets = let
+      abiMap = {
+        "armeabi-v7a" = "android/arm";
+        "arm64-v8a"   = "android/arm64";
+        "x86"         = "android/386";
+        "x86_64"      = "android/amd64";
+        };
+      in map (arch: abiMap."${arch}") abis;
     outputFileName = "status-go-${source.shortRev}.aar";
     inherit meta source goBuildLdFlags;
   };