Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: firefox-devedition-unwrapped 0 -> 1
attrpath: firefox-devedition-unwrapped
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorHash
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] these 2 derivations will be built:
  /nix/store/3dpi7g5jxbrcg3jjj6drvilb696aww8w-update-firefox-devedition-unwrapped.drv
  /nix/store/pz2zw35v0q3dn7xqn9wvsaj0c1q4zn96-packages.json.drv
building '/nix/store/3dpi7g5jxbrcg3jjj6drvilb696aww8w-update-firefox-devedition-unwrapped.drv'...
structuredAttrs is enabled
building '/nix/store/pz2zw35v0q3dn7xqn9wvsaj0c1q4zn96-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - firefox-devedition-unwrapped-159.0b1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - firefox-devedition-unwrapped-159.0b1: UPDATING ...
 - firefox-devedition-unwrapped-159.0b1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
index e7b32074861a..cf38630efbc0 100644
--- a/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
+++ b/pkgs/applications/networking/browsers/firefox/packages/firefox-devedition.nix
@@ -10,12 +10,12 @@
 (buildMozillaMach rec {
   pname = "firefox-devedition";
   binaryName = "firefox-devedition";
-  version = "159.0b1";
+  version = "159.0b3";
   applicationName = "Firefox Developer Edition";
   branding = "browser/branding/aurora";
   src = fetchurl {
     url = "mirror://mozilla/devedition/releases/${version}/source/firefox-${version}.source.tar.xz";
-    sha512 = "ed21e4789376874e5937b57075005c1c19e7e31a86cac1246ce0871d3833385795318e1d1e02caaef5088d3589697bd4fa5e10ae216faebc0e19303e92783443";
+    sha512 = "31158cf47f2d502dd351ba9b803d05dd9b8404f2f9a53656ceb35c04b7dfe887e5c3306f3cbed6a4ed966fa5fa4b8e75ed37297c7ca0b6190768a86d3e000d34";
   };
 
   # buildMozillaMach sets MOZ_APP_REMOTINGNAME during configuration, but

No auto update branch exists