--- ts/models/messages.ts	2022-02-12 02:48:01 UTC
+++ ts/models/messages.ts
@@ -722,7 +722,7 @@ export class MessageModel extends window.Backbone.Mode
 
     // Linux emoji support is mixed, so we disable it. (Note that this doesn't touch
     //   the `text`, which can contain emoji.)
-    const shouldIncludeEmoji = Boolean(emoji) && !window.Signal.OS.isLinux();
+    const shouldIncludeEmoji = Boolean(emoji) && !(window.Signal.OS.isLinux() || window.Signal.OS.isFreeBSD());
     if (shouldIncludeEmoji) {
       return window.i18n('message--getNotificationText--text-with-emoji', {
         text: modifiedText,
--- ts/OS.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/OS.ts	2022-02-18 20:38:13.220898000 +0100
@@ -7,6 +7,7 @@ import semver from 'semver';
 
 export const isMacOS = (): boolean => process.platform === 'darwin';
 export const isLinux = (): boolean => process.platform === 'linux';
+export const isFreeBSD = (): boolean => process.platform === 'freebsd';
 export const isWindows = (minVersion?: string): boolean => {
   const osRelease = os.release();
 
--- ts/services/notifications.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/services/notifications.ts	2022-02-18 20:39:11.725928000 +0100
@@ -143,7 +143,7 @@ class NotificationService extends EventEmitter {
     const audioNotificationSupport = getAudioNotificationSupport();
 
     const notification = new window.Notification(title, {
-      body: OS.isLinux() ? filterNotificationText(message) : message,
+      body: (OS.isFreeBSD() || OS.isLinux()) ? filterNotificationText(message) : message,
       icon,
       silent:
         silent || audioNotificationSupport !== AudioNotificationSupport.Native,
--- ts/set_os_class.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/set_os_class.ts	2022-02-18 20:39:35.451014000 +0100
@@ -9,6 +9,8 @@ $(document).ready(() => {
     className = 'os-macos';
   } else if (window.Signal.OS.isLinux()) {
     className = 'os-linux';
+  } else if (window.Signal.OS.isFreeBSD()) {
+    className = 'os-freebsd';
   } else {
     throw new Error('Unexpected operating system; not applying ');
   }
--- ts/test-node/types/Settings_test.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/test-node/types/Settings_test.ts	2022-02-18 20:41:29.688721000 +0100
@@ -27,6 +27,15 @@ describe('Settings', () => {
       );
     });
 
+    it('returns custom support on FreeBSD', () => {
+      sandbox.stub(process, 'platform').value('freebsd');
+      assert.strictEqual(
+        Settings.getAudioNotificationSupport(),
+        Settings.AudioNotificationSupport.Custom
+      );
+    });
+
+
     it('returns no support on Windows 7', () => {
       sandbox.stub(process, 'platform').value('win32');
       sandbox.stub(os, 'release').returns('7.0.0');
@@ -60,6 +69,11 @@ describe('Settings', () => {
       assert.isTrue(Settings.isAudioNotificationSupported());
     });
 
+    it('returns true on FreeBSD', () => {
+      sandbox.stub(process, 'platform').value('freebsd');
+      assert.isTrue(Settings.isAudioNotificationSupported());
+    });
+
     it('returns false on Windows 7', () => {
       sandbox.stub(process, 'platform').value('win32');
       sandbox.stub(os, 'release').returns('7.0.0');
@@ -84,6 +98,11 @@ describe('Settings', () => {
       assert.isTrue(Settings.isNotificationGroupingSupported());
     });
 
+    it('returns true on FreeBSD', () => {
+      sandbox.stub(process, 'platform').value('freebsd');
+      assert.isTrue(Settings.isNotificationGroupingSupported());
+    });
+
     it('returns true on Windows 7', () => {
       sandbox.stub(process, 'platform').value('win32');
       sandbox.stub(os, 'release').returns('7.0.0');
@@ -126,6 +145,11 @@ describe('Settings', () => {
       assert.isFalse(Settings.isHideMenuBarSupported());
     });
 
+    it('returns true on FreeBSD', () => {
+      sandbox.stub(process, 'platform').value('freebsd');
+      assert.isTrue(Settings.isHideMenuBarSupported());
+    });
+
     it('returns true on Windows 7', () => {
       sandbox.stub(process, 'platform').value('win32');
       sandbox.stub(os, 'release').returns('7.0.0');
@@ -148,6 +172,11 @@ describe('Settings', () => {
     it('returns false on macOS', () => {
       sandbox.stub(process, 'platform').value('darwin');
       assert.isFalse(Settings.isDrawAttentionSupported());
+    });
+
+    it('returns true on FreeBSD', () => {
+      sandbox.stub(process, 'platform').value('freebsd');
+      assert.isTrue(Settings.isDrawAttentionSupported());
     });
 
     it('returns true on Windows 7', () => {
--- ts/test-node/util/getUserAgent_test.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/test-node/util/getUserAgent_test.ts	2022-02-18 20:42:25.165838000 +0100
@@ -39,6 +39,14 @@ describe('getUserAgent', () => {
     );
   });
 
+  it('returns the right User-Agent on FreeBSD', function test() {
+    this.sandbox.stub(process, 'platform').get(() => 'freebsd');
+    assert.strictEqual(
+      getUserAgent('1.2.3', '13.1'),
+      'Signal-Desktop/1.2.3 FreeBSD 13.1'
+    );
+  });
+
   it('omits the platform on unsupported platforms', function test() {
     this.sandbox.stub(process, 'platform').get(() => 'freebsd');
     assert.strictEqual(getUserAgent('1.2.3', '13.1'), 'Signal-Desktop/1.2.3');

--- ts/util/getUserAgent.ts	2022-02-12 02:48:01.000000000 +0100
+++ ts/util/getUserAgent.ts	2022-02-18 20:43:07.232944000 +0100
@@ -7,6 +7,7 @@ const PLATFORM_STRINGS: { [platform: string]: string }
   win32: 'Windows',
   darwin: 'macOS',
   linux: 'Linux',
+  freebsd: 'FreeBSD',
 };
 
 export function getUserAgent(appVersion: string): string {
--- ts/types/Settings.ts.orig	2022-02-16 16:11:39.000000000 +0100
+++ ts/types/Settings.ts	2022-02-19 22:18:16.945135000 +0100
@@ -19,7 +19,7 @@ export function getAudioNotificationSupport(): AudioNo
   if (OS.isWindows(MIN_WINDOWS_VERSION) || OS.isMacOS()) {
     return AudioNotificationSupport.Native;
   }
-  if (OS.isLinux()) {
+  if (OS.isLinux() || OS.isFreeBSD) {
     return AudioNotificationSupport.Custom;
   }
   return AudioNotificationSupport.None;
@@ -60,7 +60,7 @@ export const getTitleBarVisibility = (): TitleBarVisib
  */
 export const isSystemTraySupported = (appVersion: string): boolean =>
   // We eventually want to support Linux in production.
-  OS.isWindows() || (OS.isLinux() && !isProduction(appVersion));
+  OS.isWindows() || (OS.isLinux() && !isProduction(appVersion)) || (OS.isFreeBSD() && !isProduction(appVersion));
 
 export const isAutoDownloadUpdatesSupported = (): boolean =>
   OS.isWindows() || OS.isMacOS();
--- app/main.ts.orig	2022-02-24 15:35:11.986213000 +0100
+++ app/main.ts	2022-02-24 15:34:26.610207000 +0100
@@ -451,7 +451,7 @@ let windowIcon: string;
 
 if (OS.isWindows()) {
   windowIcon = join(__dirname, '../build/icons/win/icon.ico');
-} else if (OS.isLinux()) {
+} else if (OS.isLinux() || OS.isFreeBSD()) {
   windowIcon = join(__dirname, '../images/signal-logo-desktop-linux.png');
 } else {
   windowIcon = join(__dirname, '../build/icons/png/512x512.png');
--- ts/scripts/get-expire-time.ts.orig	2022-02-16 15:11:39.000000000 +0000
+++ ts/scripts/get-expire-time.ts	2022-02-25 12:31:18.650062000 +0000
@@ -2,15 +2,12 @@
 // SPDX-License-Identifier: AGPL-3.0-only
 
 import { join } from 'path';
-import { execSync } from 'child_process';
 import { writeFileSync } from 'fs';
 
 import { DAY } from '../util/durations';
 
-const unixTimestamp = parseInt(
-  execSync('git show -s --format=%ct').toString('utf8'),
-  10
-);
+const unixTimestamp = %%EPOCH%%;
+
 const buildCreation = unixTimestamp * 1000;
 
 const buildExpiration = buildCreation + DAY * 90;