Running nixpkgs-update (https://github.com/NixOS/infra/blob/main/non-critical-infra/modules/nixpkgs-update/README.md) with UPDATE_INFO: duckdb 1.5.5 -> 2.0.0 https://github.com/duckdb/duckdb/releases
attrpath: duckdb
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] 
Going to be running update for following packages:
 - duckdb-1.5.5

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - duckdb-1.5.5: UPDATING ...
 - duckdb-1.5.5: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/du/duckdb/versions.json b/pkgs/by-name/du/duckdb/versions.json
index 09a078b65907..9c978e1328d4 100644
--- a/pkgs/by-name/du/duckdb/versions.json
+++ b/pkgs/by-name/du/duckdb/versions.json
@@ -1,6 +1,6 @@
 {
-  "version": "1.5.5",
-  "rev": "d8cdaa33fda8df955cc76ef58a280f68f4cd43fa",
-  "hash": "sha256-vFXrMcWF5KDYYRjWZb6iJdhGnCAb6SMlSgzlcr+FQ8Y=",
-  "python_hash": "sha256-O4tYdPz6H2By7WXT9GzfyBGNeJruCkzSmTYIbiEq2dQ="
+  "version": "2.0.0",
+  "rev": "d54cbbe3df17e8e5ce68312f483b4155836112aa",
+  "hash": "sha256-1fhgPD/QGT/fK+BabX2dbTWOsajS6feNl5+9iw8rvwU=",
+  "python_hash": "sha256-2KKAzfAm7f4sOr0fP1eizjO5A9m12ZItqFX7Jb0qyyU="
 }

No auto update branch exists
There might already be an open PR for this update:
- duckdb: 1.5.5 -> 2.0.0
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/579495"