extraResources per architecture

[DrSkunk]

• Electron-Builder Version: 24.6.4

• Node Version: v18.15.0

• Electron Version: 21.3.1
• Electron Type (current, beta, nightly): current

• Target: MacOS x64, MacOS arm64, Windows X64, Linux x64, Linux arm64

My electron application works as a GUI wrapper to start a subprocess. This is copied with extraResources key under each platform. However, the subprocess needs to be copied per architecture. Up until new we only supported x64.

Would it be possible to set extraResources per target instead of either global or per platform?

Or is it possible to have an intermediary build step where I can run a script which copies the appropriate binary?

Excerpt of my config:

  "build": {
    "appId": "my.app.id",
    "productName": "Awesome Application",
    "directories": {
      "output": "dist",
      "buildResources": "build-resources"
    },
    "files": [
      "electron/**/*"
    ],
    "extraResources": [
      "build-gui/**/*",
      "build-resources/**/*"
    ],
    "artifactName": "${productName}.${ext}",
    "afterSign": "scripts/notarize.js",
    "mac": {
      "hardenedRuntime": true,
      "target": [
        {
          "target": "dmg",
          "arch": "x64"
        }
      ],
      "extraResources": [
        {
          "from": "../app/dist/build/app-darwin-x64",
          "to": ".",
          "filter": [
            "**/*"
          ]
        }
      ],
      "category": "public.app-category.developer-tools"
    },
    "win": {
      "target": "nsis",
      "extraResources": {
        "from": "../app/dist/build/app-win32-x64.exe",
        "to": ".",
        "filter": [
          "**/*"
        ]
      }
    }
  },

Suggested config:

  {
  "mac": {
    "hardenedRuntime": true,
    "target": [
      {
        "target": "dmg",
        "arch": "x64",
        "extraResources": [
          {
            "from": "../app/dist/build/app-darwin-x64",
            "to": ".",
            "filter": ["**/*"]
          }
        ]
      },
      {
        "target": "dmg",
        "arch": "arm64",
        "extraResources": [
          {
            "from": "../app/dist/build/app-darwin-arm64",
            "to": ".",
            "filter": ["**/*"]
          }
        ]
      }
    ]    
  }
}

Thanks in advance.

[DrSkunk]

Under the hooks documentation I found the key afterPack. Using that I implemented my own copying function for asset movement. I'll be testing this:

const { Arch, Platform } = require("electron-builder");
const fs = require("fs/promises");
const path = require("path");

module.exports = async function afterPack(context) {
  let appName;
  let to;
  if (context.packager.platform === Platform.MAC) {
    appName = `app-darwin-${Arch[context.arch]}`;
    to = path.resolve(
      context.appOutDir,
      `${context.packager.appInfo.productFilename}.app`,
      "Contents",
      "Resources",
      appName
    );
  } else if (context.packager.platform === Platform.WINDOWS) {
    appName = `app-win32-${Arch[context.arch]}.exe`;
    to = path.resolve(context.appOutDir, "resources", appName);
  } else {
    throw new Error(
      `Could not determine platform. Should be either '${Platform.MAC.name}' or '${Platform.WINDOWS.name}', but was: ${context.packager.platform}`
    );
  }
  const from = path.resolve("..", "app", "dist", "build", appName);

  try {
    console.log(`Copying "${from}" to "${to}"`);
    await fs.copyFile(from, to);
  } catch (error) {
    console.error(error);
    throw new Error(
      `Could not copy "${from}" to "${to}".\n Did you build the app first and ran the 'movebinary' script?`
    );
  }
};

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