Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: gapless 0 -> 1
attrpath: gapless
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/djysksa8rvynvdp8b9na5258dq32sgn0-packages.json.drv
building '/nix/store/djysksa8rvynvdp8b9na5258dq32sgn0-packages.json.drv'...

Going to be running update for following packages:
 - gapless-4.6

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - gapless-4.6: UPDATING ...
 - gapless-4.6: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/ga/gapless/package.nix b/pkgs/by-name/ga/gapless/package.nix
index 8c223f5f92cd..b2f627e4978d 100644
--- a/pkgs/by-name/ga/gapless/package.nix
+++ b/pkgs/by-name/ga/gapless/package.nix
@@ -16,14 +16,14 @@
 }:
 stdenv.mkDerivation (finalAttrs: {
   pname = "gapless";
-  version = "4.6";
+  version = "4.6.2";
 
   src = fetchFromGitLab {
     domain = "gitlab.gnome.org";
     owner = "neithern";
     repo = "g4music";
     rev = "v${finalAttrs.version}";
-    hash = "sha256-UzOmf0it0vazKo4PhAhaobJFZc5YKBLq7bcexatROOA=";
+    hash = "sha256-ciEjJp0SS89+UUqEAV+Aqe4OZS5kFoySRhO8f6UmCQI=";
   };
 
   nativeBuildInputs = [

An auto update branch exists with message `gapless: 4.6 -> 4.6.2`. New version is 4.6.2.
An auto update branch exists with an equal or greater version