Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: brotli 1.2.0 -> 1.2.1 https://github.com/google/brotli/releases
attrpath: brotli
Checking auto update branch...
[version] 
[version] generic version rewriter does not support multiple hashes
[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/5ifmp3n2gqdcry3fvh3f261w99wd076b-packages.json.drv
building '/nix/store/5ifmp3n2gqdcry3fvh3f261w99wd076b-packages.json.drv'...
structuredAttrs is enabled

Going to be running update for following packages:
 - brotli-1.2.0

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - brotli-1.2.0: UPDATING ...
 - brotli-1.2.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/br/brotli/package.nix b/pkgs/by-name/br/brotli/package.nix
index 6d26a2de5ac5..16594db0e33d 100644
--- a/pkgs/by-name/br/brotli/package.nix
+++ b/pkgs/by-name/br/brotli/package.nix
@@ -12,13 +12,13 @@
 
 stdenv.mkDerivation (finalAttrs: {
   pname = "brotli";
-  version = "1.2.0";
+  version = "1.2.1";
 
   src = fetchFromGitHub {
     owner = "google";
     repo = "brotli";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-kl8ZHt71v17QR2bDP+ad/5uixf+GStEPLQ5ooFoC5i8=";
+    hash = "sha256-llY72cYffDv0ugsH0p89xIPEbElV4L8u7U/Fe8hT3gI=";
   };
 
   patches = [

No auto update branch exists
There might already be an open PR for this update:
- replaceDirectDependencies: try rewriting with more effort
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/579409"
- gnutar: make reproducible by default
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/107251"