Fix autostart on linux

electron/app/auto-start.ts

@@ -1,8 +1,13 @@
 import { app } from 'electron';
 import AutoLaunch from 'auto-launch';
+import * as fsp from 'fs/promises';
+import * as path from 'path';
 import { readDesktopSettings } from '../desktop-settings';
 
 let autoLauncher: AutoLaunch | null = null;
+let autoLaunchPath = '';
+
+const LINUX_AUTO_START_ARGUMENTS = ['--no-sandbox', '%U'];
 
 function resolveLaunchPath(): string {
   // AppImage runs from a temporary mount; APPIMAGE points to the real file path.
@@ -13,15 +18,77 @@ function resolveLaunchPath(): string {
   return appImagePath || process.execPath;
 }
 
+function escapeDesktopEntryExecArgument(argument: string): string {
+  const escapedArgument = argument.replace(/(["\\$`])/g, '\\$1');
+
+  return /[\s"]/u.test(argument)
+    ? `"${escapedArgument}"`
+    : escapedArgument;
+}
+
+function getLinuxAutoStartDesktopEntryPath(launchPath: string): string {
+  return path.join(app.getPath('home'), '.config', 'autostart', `${path.basename(launchPath)}.desktop`);
+}
+
+function buildLinuxAutoStartExecLine(launchPath: string): string {
+  return `Exec=${[escapeDesktopEntryExecArgument(launchPath), ...LINUX_AUTO_START_ARGUMENTS].join(' ')}`;
+}
+
+function buildLinuxAutoStartDesktopEntry(launchPath: string): string {
+  const appName = path.basename(launchPath);
+
+  return [
+    '[Desktop Entry]',
+    'Type=Application',
+    'Version=1.0',
+    `Name=${appName}`,
+    `Comment=${appName}startup script`,
+    buildLinuxAutoStartExecLine(launchPath),
+    'StartupNotify=false',
+    'Terminal=false'
+  ].join('\n');
+}
+
+async function synchronizeLinuxAutoStartDesktopEntry(launchPath: string): Promise<void> {
+  if (process.platform !== 'linux') {
+    return;
+  }
+
+  const desktopEntryPath = getLinuxAutoStartDesktopEntryPath(launchPath);
+  const execLine = buildLinuxAutoStartExecLine(launchPath);
+
+  let currentDesktopEntry = '';
+
+  try {
+    currentDesktopEntry = await fsp.readFile(desktopEntryPath, 'utf8');
+  } catch {
+    // Create the desktop entry if auto-launch did not leave one behind.
+  }
+
+  const nextDesktopEntry = currentDesktopEntry
+    ? /^Exec=.*$/m.test(currentDesktopEntry)
+      ? currentDesktopEntry.replace(/^Exec=.*$/m, execLine)
+      : `${currentDesktopEntry.trimEnd()}\n${execLine}\n`
+    : buildLinuxAutoStartDesktopEntry(launchPath);
+
+  if (nextDesktopEntry === currentDesktopEntry) {
+    return;
+  }
+
+  await fsp.mkdir(path.dirname(desktopEntryPath), { recursive: true });
+  await fsp.writeFile(desktopEntryPath, nextDesktopEntry, 'utf8');
+}
+
 function getAutoLauncher(): AutoLaunch | null {
   if (!app.isPackaged) {
     return null;
   }
 
   if (!autoLauncher) {
+    autoLaunchPath = resolveLaunchPath();
     autoLauncher = new AutoLaunch({
       name: app.getName(),
-      path: resolveLaunchPath()
+      path: autoLaunchPath
     });
   }
 
@@ -37,12 +104,16 @@ async function setAutoStartEnabled(enabled: boolean): Promise<void> {
 
   const currentlyEnabled = await launcher.isEnabled();
 
-  if (currentlyEnabled === enabled) {
+  if (!enabled && currentlyEnabled === enabled) {
     return;
   }
 
   if (enabled) {
+    if (!currentlyEnabled) {
       await launcher.enable();
+    }
+
+    await synchronizeLinuxAutoStartDesktopEntry(autoLaunchPath);
     return;
   }