firefox-unwrapped 0 -> 1
attrpath: firefox-unwrapped
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/jara8cz64wiaf4a7m7p0v8ajk71pqmwq-update-firefox-unwrapped.drv
  /nix/store/32w07hfy69y9cykzs0i1q72qik5n1z1w-packages.json.drv
building '/nix/store/jara8cz64wiaf4a7m7p0v8ajk71pqmwq-update-firefox-unwrapped.drv'...
building '/nix/store/32w07hfy69y9cykzs0i1q72qik5n1z1w-packages.json.drv'...

Going to be running update for following packages:
 - firefox-unwrapped-126.0

Press Enter key to continue...
Running update for:
 - firefox-unwrapped-126.0: UPDATING ...
 - firefox-unwrapped-126.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/browsers/firefox/packages.nix b/pkgs/applications/networking/browsers/firefox/packages.nix
index 66b0cdf7a985..f52a828e199b 100644
--- a/pkgs/applications/networking/browsers/firefox/packages.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages.nix
@@ -3,10 +3,10 @@
 {
   firefox = buildMozillaMach rec {
     pname = "firefox";
-    version = "126.0";
+    version = "126.0.1";
     src = fetchurl {
       url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
-      sha512 = "56025b051d544ca294911a1d6a66f09945f71012131881b64313dafb579730810a4b091950c90a21d4fd3f393ba23670d8409086e1677d80d0bbbe347c303527";
+      sha512 = "249605c4891ee9271def187d161369bd3ccbd347f5f0e175d0239aced3cb9ae9655d3c134b7705bda80ea1e63c0a2ee8eb4e76db0840019683376c00f20fc7ac";
     };
 
     extraPatches = [

No auto update branch exists
Old version 126.0" not present in master derivation file with contents: { stdenv, lib, callPackage, fetchurl, fetchpatch, nixosTests, buildMozillaMach }:

{
  firefox = buildMozillaMach rec {
    pname = "firefox";
    version = "126.0.1";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "249605c4891ee9271def187d161369bd3ccbd347f5f0e175d0239aced3cb9ae9655d3c134b7705bda80ea1e63c0a2ee8eb4e76db0840019683376c00f20fc7ac";
    };

    extraPatches = [
    ];

    meta = {
      changelog = "https://www.mozilla.org/en-US/firefox/${version}/releasenotes/";
      description = "A web browser built from Firefox source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ lovesegfault hexa ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)
      license = lib.licenses.mpl20;
      mainProgram = "firefox";
    };
    tests = [ nixosTests.firefox ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-unwrapped";
    };
  };

  firefox-beta = buildMozillaMach rec {
    pname = "firefox-beta";
    version = "127.0b2";
    applicationName = "Mozilla Firefox Beta";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "ce3bb42674fb5c820ce46a1f86d482d9c7631f1e0f31fe63c0813436cb54b3bbae9b53f397dc6cfc48b28682f720bfd042bb68715a3c653046870f2d50e9ed04";
    };

    meta = {
      changelog = "https://www.mozilla.org/en-US/firefox/${lib.versions.majorMinor version}beta/releasenotes/";
      description = "A web browser built from Firefox Beta Release source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ jopejoe1 ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)
      license = lib.licenses.mpl20;
      mainProgram = "firefox";
    };
    tests = [ nixosTests.firefox-beta ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-beta-unwrapped";
      versionSuffix = "b[0-9]*";
    };
  };

  firefox-devedition = buildMozillaMach rec {
    pname = "firefox-devedition";
    version = "127.0b2";
    applicationName = "Mozilla Firefox Developer Edition";
    requireSigning = false;
    branding = "browser/branding/aurora";
    src = fetchurl {
      url = "mirror://mozilla/devedition/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "109e834e533db1a815151777170cdc0617a1f725ce8e5af04e63ac9e874edb22a33d51f2d85fcbb0c4132c3884785a54f6ea0ffaf7a0cc764e033fda311c48d6";
    };

    meta = {
      changelog = "https://www.mozilla.org/en-US/firefox/${lib.versions.majorMinor version}beta/releasenotes/";
      description = "A web browser built from Firefox Developer Edition source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ jopejoe1 ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      maxSilent = 14400; # 4h, double the default of 7200s (c.f. #129212, #129115)
      license = lib.licenses.mpl20;
      mainProgram = "firefox";
    };
    tests = [ nixosTests.firefox-devedition ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-devedition-unwrapped";
      versionSuffix = "b[0-9]*";
      baseUrl = "https://archive.mozilla.org/pub/devedition/releases/";
    };
  };

  firefox-esr-115 = buildMozillaMach rec {
    pname = "firefox-esr-115";
    version = "115.11.0esr";
    applicationName = "Mozilla Firefox ESR";
    src = fetchurl {
      url = "mirror://mozilla/firefox/releases/${version}/source/firefox-${version}.source.tar.xz";
      sha512 = "0f3a87c99fb008088afd509d9259f893fdd44ea6bf6a5e69806fefb8d355415e81b9e8832a392acb9d0c1c50e4add7f1362a4aaadc35e1d9c2e55baf7136aed8";
    };

    meta = {
      changelog = "https://www.mozilla.org/en-US/firefox/${lib.removeSuffix "esr" version}/releasenotes/";
      description = "A web browser built from Firefox Extended Support Release source tree";
      homepage = "http://www.mozilla.com/en-US/firefox/";
      maintainers = with lib.maintainers; [ hexa ];
      platforms = lib.platforms.unix;
      badPlatforms = lib.platforms.darwin;
      broken = stdenv.buildPlatform.is32bit; # since Firefox 60, build on 32-bit platforms fails with "out of memory".
                                             # not in `badPlatforms` because cross-compilation on 64-bit machine might work.
      license = lib.licenses.mpl20;
      mainProgram = "firefox";
    };
    tests = [ nixosTests.firefox-esr-115 ];
    updateScript = callPackage ./update.nix {
      attrPath = "firefox-esr-115-unwrapped";
      versionPrefix = "115";
      versionSuffix = "esr";
    };
  };
}