Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: crowbar unstable-2020-04-23 -> 4.2 https://github.com/galkan/crowbar/releases
attrpath: crowbar
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] this derivation will be built:
  /nix/store/wfhlr15ff3i0pi7z4cdvdpghxfp4s1fd-packages.json.drv
building '/nix/store/wfhlr15ff3i0pi7z4cdvdpghxfp4s1fd-packages.json.drv'...

Going to be running update for following packages:
 - crowbar-unstable-2020-04-23

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - crowbar-unstable-2020-04-23: UPDATING ...
 - crowbar-unstable-2020-04-23: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/cr/crowbar/package.nix b/pkgs/by-name/cr/crowbar/package.nix
index 6db6d5283ac4..73e2852b5ca6 100644
--- a/pkgs/by-name/cr/crowbar/package.nix
+++ b/pkgs/by-name/cr/crowbar/package.nix
@@ -10,7 +10,7 @@
 
 python3Packages.buildPythonApplication {
   pname = "crowbar";
-  version = "unstable-2020-04-23";
+  version = "4.2";
   format = "pyproject";
 
   src = fetchFromGitHub {

An auto update branch exists with message `crowbar: unstable-2020-04-23 -> 4.2`. New version is 4.2.
An auto update branch exists with an equal or greater version