formula 0 -> 1
attrpath: formula
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/2yjkri6fkvnj2lsw89fd5r06g7rhlyd0-packages.json.drv
building '/nix/store/2yjkri6fkvnj2lsw89fd5r06g7rhlyd0-packages.json.drv'...

Going to be running update for following packages:
 - formula-dotnet-2.0

Press Enter key to continue...
Running update for:
 - formula-dotnet-2.0: UPDATING ...
 - formula-dotnet-2.0: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/science/logic/formula/default.nix b/pkgs/applications/science/logic/formula/default.nix
index 20267e6071c5..66bf258031d9 100644
--- a/pkgs/applications/science/logic/formula/default.nix
+++ b/pkgs/applications/science/logic/formula/default.nix
@@ -2,13 +2,13 @@
 
 buildDotnetModule rec {
   pname = "formula-dotnet";
-  version = "2.0";
+  version = "unstable-2022-10-17";
 
   src = fetchFromGitHub {
     owner = "VUISIS";
     repo = "formula-dotnet";
-    rev = "8ee2e6abfd4ce038e1d9cb9c8602dec1ed6c0163";
-    sha256 = "sha256-2ulv//YV3OqrfFltgUCeDe4rOPC0qqJ+80/D2lIoih8=";
+    rev = "8d3b6e635ed94feb639aa843b1f0a33f86131f0f";
+    sha256 = "sha256-0oczQrDDaw2r3fsALBTHn1hCp1FPET1pjbgrNl14+mc=";
   };
 
   nugetDeps = ./nuget.nix;

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 formula
nix build failed.
got build log for 'formula' from 'daemon'
@nix { "action": "setPhase", "phase": "unpackPhase" }
Running phase: unpackPhase
unpacking source archive /nix/store/7082kwjlfcl4b14rlqam4h1p8ga53z3l-source
source root is source
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "configurePhase" }
Running phase: configurePhase
Executing dotnetConfigureHook
Cannot find a manifest file.
For a list of locations searched, specify the "-d" option before the tool name.
No tools were restored.
  Determining projects to restore...
/nix/store/fxxl4jvqqy0kpiv279g8i0a73x7zmqan-dotnet-sdk-6.0.421/sdk/6.0.421/NuGet.targets(132,5): error : 'unstable-2022-10-17' is not a valid version string. (Parameter 'value') [/build/source/Src/CommandLine/CommandLine.csproj]