git-aggregator 0 -> 1
attrpath: git-aggregator
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/j5bc56i9rmdwl8g31gkc1yz8l1c7fm68-packages.json.drv
building '/nix/store/j5bc56i9rmdwl8g31gkc1yz8l1c7fm68-packages.json.drv'...

Going to be running update for following packages:
 - git-aggregator-2.1.0

Press Enter key to continue...
Running update for:
 - git-aggregator-2.1.0: UPDATING ...
 - git-aggregator-2.1.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/version-management/git-aggregator/default.nix b/pkgs/applications/version-management/git-aggregator/default.nix
index 34365cb5d90d..4694669cce4b 100644
--- a/pkgs/applications/version-management/git-aggregator/default.nix
+++ b/pkgs/applications/version-management/git-aggregator/default.nix
@@ -2,11 +2,11 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "git-aggregator";
-  version = "2.1.0";
+  version = "4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "sha256-79xNPzYP1j71sU5wZM5e2xTqQExqQEdxXPxbk4T/Scw=";
+    sha256 = "sha256-g31wsNW+mazyC9lA2nwItnEJ8ARrhX/xI60EiWBRVZg=";
   };
 
   nativeBuildInputs = with python3Packages; [

No auto update branch exists
Received ExitFailure 1 when running
Raw command: /nix/store/v7gdmdc9yhx3ngh840xx5kr46840s73b-nix-2.18.2/bin/nix-build --option sandbox true --arg config "{ allowBroken = true; allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A git-aggregator
Received ExitFailure 1 when running
Raw command: /nix/store/v7gdmdc9yhx3ngh840xx5kr46840s73b-nix-2.18.2/bin/nix --extra-experimental-features nix-command log -f . git-aggregator
Standard output:

error: build log of 'git-aggregator' is not available