Remove unsupported auto-launch setting on Linux

js/views/settings_view.js

@@ -152,12 +152,14 @@
           window.setSpellCheck(val);
         },
       });
-      new CheckboxView({
-        el: this.$('.auto-launch-setting'),
-        name: 'auto-launch-setting',
-        value: window.initialData.autoLaunch,
-        setFn: window.setAutoLaunch,
-      });
+      if (Settings.isAutoLaunchSupported()) {
+        new CheckboxView({
+          el: this.$('.auto-launch-setting'),
+          name: 'auto-launch-setting',
+          value: window.initialData.autoLaunch,
+          setFn: window.setAutoLaunch,
+        });
+      }
       if (Settings.isHideMenuBarSupported()) {
         new CheckboxView({
           el: this.$('.menu-bar-setting'),
@@ -230,6 +232,7 @@
         isAudioNotificationSupported: Settings.isAudioNotificationSupported(),
         isHideMenuBarSupported: Settings.isHideMenuBarSupported(),
         isDrawAttentionSupported: Settings.isDrawAttentionSupported(),
+        isAutoLaunchSupported: Settings.isAutoLaunchSupported(),
         hasSystemTheme: true,
         themeLight: i18n('themeLight'),
         themeDark: i18n('themeDark'),

settings.html

@@ -118,10 +118,12 @@
           {{ spellCheckDirtyText }}
         </p>
       </div>
+      {{ #isAutoLaunchSupported }}
       <div class='auto-launch-setting'>
         <input type='checkbox' name='auto-launch-setting' id='auto-launch-setting' />
         <label for='auto-launch-setting'>{{ autoLaunchDescription }}</label>
       </div>
+      {{ /isAutoLaunchSupported }}
     <hr>
     <div class='calling-setting'>
       <h3>{{ calling }}</h3>

ts/test-node/types/Settings_test.ts

@@ -102,6 +102,24 @@ describe('Settings', () => {
     });
   });
 
+  describe('isAutoLaunchSupported', () => {
+    it('returns true on Windows', () => {
+      sandbox.stub(process, 'platform').value('win32');
+      sandbox.stub(os, 'release').returns('8.0.0');
+      assert.isTrue(Settings.isAutoLaunchSupported());
+    });
+
+    it('returns true on macOS', () => {
+      sandbox.stub(process, 'platform').value('darwin');
+      assert.isTrue(Settings.isAutoLaunchSupported());
+    });
+
+    it('returns false on Linux', () => {
+      sandbox.stub(process, 'platform').value('linux');
+      assert.isFalse(Settings.isAutoLaunchSupported());
+    });
+  });
+
   describe('isHideMenuBarSupported', () => {
     it('returns false on macOS', () => {
       sandbox.stub(process, 'platform').value('darwin');

ts/types/Settings.ts

@@ -29,6 +29,12 @@ export const isAudioNotificationSupported = (): boolean =>
 export const isNotificationGroupingSupported = (): boolean =>
   !OS.isWindows() || OS.isWindows(MIN_WINDOWS_VERSION);
 
+// Login item settings are only supported on macOS and Windows, according to [Electron's
+//   docs][0].
+// [0]: https://www.electronjs.org/docs/api/app#appsetloginitemsettingssettings-macos-windows
+export const isAutoLaunchSupported = (): boolean =>
+  OS.isWindows() || OS.isMacOS();
+
 // the "hide menu bar" option is specific to Windows and Linux
 export const isHideMenuBarSupported = (): boolean => !OS.isMacOS();
 

ts/util/lint/exceptions.json

@@ -1228,7 +1228,7 @@
   {
     "rule": "jQuery-$(",
     "path": "js/views/settings_view.js",
-    "line": "        el: this.$('.auto-launch-setting'),",
+    "line": "          el: this.$('.auto-launch-setting'),",
     "reasonCategory": "usageTrusted",
     "updated": "2021-05-11T20:38:03.542Z",
     "reasonDetail": "Protected from arbitrary input"
@@ -14225,4 +14225,4 @@
     "updated": "2021-03-18T21:41:28.361Z",
     "reasonDetail": "A generic hook. Typically not to be used with non-DOM values."
   }
-]
+]