Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: freedv 2.3.1 -> 2.4.0 https://github.com/drowe67/freedv-gui/releases
attrpath: freedv
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/875yz0n09fva5xnjdv3q75waikyxrmcq-packages.json.drv
building '/nix/store/875yz0n09fva5xnjdv3q75waikyxrmcq-packages.json.drv'...

Going to be running update for following packages:
 - freedv-2.3.1

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - freedv-2.3.1: UPDATING ...
 - freedv-2.3.1: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/fr/freedv/package.nix b/pkgs/by-name/fr/freedv/package.nix
index 8df7058846e1..389a7e192d64 100644
--- a/pkgs/by-name/fr/freedv/package.nix
+++ b/pkgs/by-name/fr/freedv/package.nix
@@ -72,13 +72,13 @@ let
 in
 stdenv.mkDerivation (finalAttrs: {
   pname = "freedv";
-  version = "2.3.1";
+  version = "2.4.0";
 
   src = fetchFromGitHub {
     owner = "drowe67";
     repo = "freedv-gui";
     tag = "v${finalAttrs.version}";
-    hash = "sha256-TjE/iYg+VFvbZH7/1q1V4t0SgcS44pLVet4Pgt6L5HA=";
+    hash = "sha256-Nd0oOGiMrERviaGOtdOQ0KTSSL/+69Q2bRHjojBUknU=";
   };
 
   postPatch = ''

No auto update branch exists
There might already be an open PR for this update:
- freedv: 2.3.1 -> 2.4.0
  URL "https://api.github.com/repos/NixOS/nixpkgs/issues/556862"