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/y8z2xyvyy08in3b9rkp63lyzziqiv0hn-packages.json.drv
building '/nix/store/y8z2xyvyy08in3b9rkp63lyzziqiv0hn-packages.json.drv'...

Going to be running update for following packages:
 - klipper-unstable-2023-06-29

Press Enter key to continue...
Running update for:
 - klipper-unstable-2023-06-29: UPDATING ...
 - klipper-unstable-2023-06-29: 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 26c66a0b217..9035a4678b5 100644
--- a/pkgs/servers/klipper/default.nix
+++ b/pkgs/servers/klipper/default.nix
@@ -8,13 +8,13 @@
 
 stdenv.mkDerivation rec {
   pname = "klipper";
-  version = "unstable-2023-06-29";
+  version = "unstable-2023-07-09";
 
   src = fetchFromGitHub {
     owner = "KevinOConnor";
     repo = "klipper";
-    rev = "a96608add40e316f25f15d9c9d1c1fbd86dbbebe";
-    sha256 = "sha256-bGJSeWq2TN7ukStu+oiYboGnm/RHbO6N0NdZC81IQ8k=";
+    rev = "ffb5105b559da8da74bb8d8996da91f3171447e7";
+    sha256 = "sha256-05zMpT7hZUmfONrRCnA5ANnCyUx8g+Jnc2lJQaIzcCg=";
   };
 
   sourceRoot = "source/klippy";

No auto update branch exists
There might already be an open PR for this update:
- moonraker: unstable-2022-11-18 -> unstable-2023-06-29
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/202276"