From a918775d8e092f00f8b167555bcd86b0a24f7af2 Mon Sep 17 00:00:00 2001
From: Martin Weinelt <hexa@darmstadt.ccc.de>
Date: Mon, 20 Jul 2026 14:32:12 +0200
Subject: [PATCH] firefox-esr-153-unwrapped: init at 153.0esr

https://www.firefox.com/en-US/firefox/153.0esr/releasenotes/
---
 nixos/tests/all-tests.nix                     |  4 ++
 .../firefox/packages/firefox-esr-153.nix      | 37 +++++++++++++++++++
 pkgs/top-level/all-packages.nix               | 16 ++++++++
 3 files changed, 57 insertions(+)
 create mode 100644 pkgs/applications/networking/browsers/firefox/packages/firefox-esr-153.nix

diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index 3dc717dbd2d2..1bda1b0f5236 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -604,6 +604,10 @@ in
     imports = [ ./firefox.nix ];
     _module.args.firefoxPackage = pkgs.firefox-esr-140;
   };
+  firefox-esr-153 = runTest {
+    imports = [ ./firefox.nix ];
+    _module.args.firefoxPackage = pkgs.firefox-esr-153;
+  };
   firefox-syncserver = runTest ./firefox-syncserver.nix;
   firefox_decrypt = runTest ./firefox_decrypt.nix;
   firefoxpwa = runTest ./firefoxpwa.nix;
diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-153.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-153.nix
new file mode 100644
index 000000000000..5604796cdde0
--- /dev/null
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-esr-153.nix
@@ -0,0 +1,37 @@
+{
+  lib,
+  callPackage,
+  fetchurl,
+  nixosTests,
+  buildMozillaMach,
+}:
+
+buildMozillaMach rec {
+  pname = "firefox";
+  version = "153.0esr";
+  applicationName = "Firefox ESR";
+  src = fetchurl {
+    url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
+    sha512 = "3ea7956ef2fdcaa86430ef922f04484cbb1a3faf447e035107159fcd5ecd8d0a0e4507a332fc3d7b66e4308c38733bd0624affd7629447b89c655a9ea0fb0936";
+  };
+
+  meta = {
+    changelog = "https://www.firefox.com/en-US/firefox/${lib.removeSuffix "esr" version}/releasenotes/";
+    description = "Web browser built from Firefox source tree";
+    homepage = "http://www.mozilla.com/en-US/firefox/";
+    maintainers = with lib.maintainers; [ hexa ];
+    platforms = lib.platforms.unix;
+    badPlatforms = [ lib.systems.inspect.patterns.is32bit ];
+    maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)
+    license = lib.licenses.mpl20;
+    mainProgram = "firefox";
+  };
+  tests = {
+    inherit (nixosTests) firefox-esr-153;
+  };
+  updateScript = callPackage ../update.nix {
+    attrPath = "firefox-esr-153-unwrapped";
+    versionPrefix = "153";
+    versionSuffix = "esr";
+  };
+}
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 2e6f4259ff86..b63eed023541 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -8666,6 +8666,17 @@ with pkgs;
           buildMozillaMach
           ;
       };
+  firefox-esr-153-unwrapped =
+    import ../applications/networking/browsers/firefox/packages/firefox-esr-153.nix
+      {
+        inherit
+          lib
+          callPackage
+          fetchurl
+          nixosTests
+          buildMozillaMach
+          ;
+      };
   firefox-esr-140-unwrapped =
     import ../applications/networking/browsers/firefox/packages/firefox-esr-140.nix
       {
@@ -8685,6 +8696,11 @@ with pkgs;
 
   firefox-mobile = callPackage ../applications/networking/browsers/firefox/mobile-config.nix { };
 
+  firefox-esr-153 = wrapFirefox firefox-esr-153-unwrapped {
+    nameSuffix = "-esr";
+    wmClass = "firefox-esr";
+    icon = "firefox-esr";
+  };
   firefox-esr-140 = wrapFirefox firefox-esr-140-unwrapped {
     nameSuffix = "-esr";
     wmClass = "firefox-esr";