fish 0 -> 1
attrpath: fish
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
[npmDepsVersion] 
[npmDepsVersion] No npmDepsHash
[updateScript] 
[updateScript] Success
[updateScript] this derivation will be built:
  /nix/store/ya314csmzzc6m7k76hfpb6sdim58wczs-packages.json.drv
building '/nix/store/ya314csmzzc6m7k76hfpb6sdim58wczs-packages.json.drv'...

Going to be running update for following packages:
 - fish-3.7.0

Press Enter key to continue...
Running update for:
 - fish-3.7.0: UPDATING ...
 - fish-3.7.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/shells/fish/default.nix b/pkgs/shells/fish/default.nix
index 3703644a73ae..91b3ce0b0eb9 100644
--- a/pkgs/shells/fish/default.nix
+++ b/pkgs/shells/fish/default.nix
@@ -135,7 +135,7 @@ let
 
   fish = stdenv.mkDerivation rec {
     pname = "fish";
-    version = "3.7.0";
+    version = "3.7.1";
 
     src = fetchurl {
       # There are differences between the release tarball and the tarball GitHub
@@ -145,7 +145,7 @@ let
       # --version`), as well as the local documentation for all builtins (and
       # maybe other things).
       url = "https://github.com/fish-shell/fish-shell/releases/download/${version}/${pname}-${version}.tar.xz";
-      hash = "sha256-3xtzeLcU8GkLKF7Z5OWK/icKyY28nKWDlYnBr8yjOrE=";
+      hash = "sha256-YUyfVkPNB5nfOROV+mu8NklCe7g5cizjsRTTu8GjslA=";
     };
 
     # Fix FHS paths in tests

No auto update branch exists
There might already be an open PR for this update:
- fish: 3.7.0 -> 3.7.1
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/297119"