[PM-13361] Fix DDG backwards compat (#11804)

apps/desktop/electron-builder.json

@@ -77,9 +77,13 @@
       {
         "from": "desktop_native/dist/desktop_proxy.${platform}-${arch}",
         "to": "MacOS/desktop_proxy"
+      },
+      {
+        "from": "desktop_native/dist/desktop_proxy.${platform}-${arch}",
+        "to": "MacOS/desktop_proxy.inherit"
       }
     ],
-    "signIgnore": ["MacOS/desktop_proxy"],
+    "signIgnore": ["MacOS/desktop_proxy", "MacOS/desktop_proxy.inherit"],
     "target": ["dmg", "zip"]
   },
   "win": {

apps/desktop/resources/entitlements.desktop_proxy.inherit.plist

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>com.apple.security.app-sandbox</key>
+	<true/>
+	<key>com.apple.security.inherit</key>
+	<true/>
+</dict>
+</plist>

apps/desktop/scripts/after-pack.js

@@ -70,6 +70,18 @@ async function run(context) {
     child_process.execSync(
       `codesign -s '${id}' -i ${packageId} -f --timestamp --options runtime --entitlements ${entitlementsPath} ${proxyPath}`,
     );
+
+    const inheritProxyPath = path.join(appPath, "Contents", "MacOS", "desktop_proxy.inherit");
+    const inheritEntitlementsName = "entitlements.desktop_proxy.inherit.plist";
+    const inheritEntitlementsPath = path.join(
+      __dirname,
+      "..",
+      "resources",
+      inheritEntitlementsName,
+    );
+    child_process.execSync(
+      `codesign -s '${id}' -i ${packageId} -f --timestamp --options runtime --entitlements ${inheritEntitlementsPath} ${inheritProxyPath}`,
+    );
   }
 }
 

apps/desktop/src/entry.ts

@@ -16,16 +16,24 @@ if (
     app.dock.hide();
   });
 
-  const proc = spawn(path.join(process.execPath, "..", "desktop_proxy"), process.argv.slice(1), {
-    cwd: process.cwd(),
-    stdio: "inherit",
-    shell: false,
-  });
+  const proc = spawn(
+    path.join(process.execPath, "..", "desktop_proxy.inherit"),
+    process.argv.slice(1),
+    {
+      cwd: process.cwd(),
+      stdio: "inherit",
+      shell: false,
+    },
+  );
 
-  proc.on("exit", () => {
+  proc.on("exit", (...args) => {
+    // eslint-disable-next-line no-console
+    console.error("Proxy process exited", args);
     process.exit(0);
   });
-  proc.on("error", () => {
+  proc.on("error", (...args) => {
+    // eslint-disable-next-line no-console
+    console.error("Proxy process errored", args);
     process.exit(1);
   });
 } else {