Magisk support

modules/release.nix

@@ -60,7 +60,40 @@ let
       ${lib.optionalString (prevTargetFiles != null) "-i ${prevTargetFiles}"} \
       ${targetFiles} ${out}
   '';
-  imgScript = { targetFiles, out }: ''img_from_target_files ${targetFiles} ${out}'';
+  imgScript = { targetFiles, out }: ''
+    targetFiles="$(pwd)/targetFiles.zip"
+    cp ${targetFiles} $targetFiles
+    chmod +w $targetFiles
+
+    (
+        mkdir magisk/
+        pushd magisk/
+
+        # TODO
+        unzip ${/var/tmp/magisk-test/app-release.apk}
+
+        ln -sr assets/*.sh .
+        ln -sr assets/stub.apk .
+
+        # Take everything from host arch and magiskboot from build arch
+        # TODO actually take the arches from the buildPlatform and the device platform
+        for file in lib/arm64-v8a/lib*.so lib/x86_64/libmagiskboot.so ; do
+            name="$(basename "$file")"
+            dest="''${name:3:-3}"
+            ln -srfn "$file" "$dest" && chmod +x "$file"
+        done
+
+        unzip $targetFiles IMAGES/boot.img
+
+        export BOOTMODE=true
+        PATH="$(pwd):${pkgs.writeShellScriptBin "getprop" "echo \"$@\""}/bin/:$PATH" bash boot_patch.sh IMAGES/boot.img
+        mv new-boot.img IMAGES/boot.img
+
+        zip $targetFiles IMAGES/boot.img
+    )
+
+    img_from_target_files $targetFiles ${out}
+  '';
   factoryImgScript = { targetFiles, img, out }: ''
       ln -s ${targetFiles} ${config.device}-target_files-${config.buildNumber}.zip || true
       ln -s ${img} ${config.device}-img-${config.buildNumber}.zip || true