klipper 0 -> 1
attrpath: klipper
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[rustCrateVersion] 
[rustCrateVersion] No cargoSha256 or cargoHash found
[golangModuleVersion] 
[golangModuleVersion] Not a buildGoModule package with vendorSha256 or vendorHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/yqy2wvag94p4wqzdbq5xxfnv495gg4qn-packages.json.drv
building '/nix/store/yqy2wvag94p4wqzdbq5xxfnv495gg4qn-packages.json.drv'...

Going to be running update for following packages:
 - klipper-unstable-2023-02-03

Press Enter key to continue...
Running update for:
 - klipper-unstable-2023-02-03: UPDATING ...
 - klipper-unstable-2023-02-03: DONE.

Packages updated!


[quotedUrls]
[quotedUrls] nothing found to replace
Diff after rewrites:
diff --git a/pkgs/servers/klipper/default.nix b/pkgs/servers/klipper/default.nix
index b1d38c4adc3..de64de31a3c 100644
--- a/pkgs/servers/klipper/default.nix
+++ b/pkgs/servers/klipper/default.nix
@@ -7,13 +7,13 @@
 
 stdenv.mkDerivation rec {
   pname = "klipper";
-  version = "unstable-2023-02-03";
+  version = "unstable-2023-02-09";
 
   src = fetchFromGitHub {
     owner = "KevinOConnor";
     repo = "klipper";
-    rev = "5644481590a16ac5b3d8c20874f0477d5d51a963";
-    sha256 = "sha256-OGFVcUPw0sqTbJyrMvCxp8nER9/42ZRN4zIrpm/qh4E=";
+    rev = "1e7057e917c0a663a508ac9b616d77ae53d78297";
+    sha256 = "sha256-+PMloM92Gyv6C9gftDD/n5UiOG+nXKkhBTrMg7T9PC4=";
   };
 
   sourceRoot = "source/klippy";

No auto update branch exists
There might already be an open PR for this update:
- moonraker: unstable-2022-04-23 -> unstable-2023-02-09
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/202276"