Running nixpkgs-update (https://nix-community.org/update-bot/) with UPDATE_INFO: cgt-calc 1.14.0-unstable-2026-02-23 -> 1.14.0 https://github.com/KapJI/capital-gains-calculator/releases
attrpath: cgt-calc
Checking auto update branch...
[version] 
[version] skipping because derivation has updateScript
[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/az7dss3vxw20hybg1pbn1h8ih3kvp57a-packages.json.drv
building '/nix/store/az7dss3vxw20hybg1pbn1h8ih3kvp57a-packages.json.drv'...

Going to be running update for following packages:
 - cgt-calc-1.14.0-unstable-2026-02-23

Press Enter key to continue...
Running update for:
Enqueuing group of 1 packages
 - cgt-calc-1.14.0-unstable-2026-02-23: UPDATING ...
 - cgt-calc-1.14.0-unstable-2026-02-23: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/by-name/cg/cgt-calc/package.nix b/pkgs/by-name/cg/cgt-calc/package.nix
index f2084bb7fc0a..fa91e52ce908 100644
--- a/pkgs/by-name/cg/cgt-calc/package.nix
+++ b/pkgs/by-name/cg/cgt-calc/package.nix
@@ -9,14 +9,14 @@ python3Packages.buildPythonApplication (finalAttrs: {
   pname = "cgt-calc";
   # Includes updates to use pyrate-limiter v4 that are not released yet
   # unfortunately.
-  version = "1.14.0-unstable-2026-02-23";
+  version = "1.14.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "KapJI";
     repo = "capital-gains-calculator";
     rev = "3326514c8e99904eeeda676948c4404da6fe1adc";
-    hash = "sha256-6iOlDNlpfCrbRCxEJsRYw6zqOehv/buVN+iU6J6CtIk=";
+    hash = "sha256-aaAk6spEjTxRpuVtAjYxn086t2jviMMhZcrl+IUkGPI=";
   };
 
   pythonRelaxDeps = [

No auto update branch exists
Received ExitFailure 1 when running
Raw command: nix-build --option sandbox true --arg config "{ allowUnfree = true; allowAliases = false; }" --arg overlays "[ ]" -A cgt-calc
nix build failed.
Using pythonImportsCheckPhase
Sourcing python-namespaces-hook
Sourcing python-catch-conflicts-hook.sh
Running phase: unpackPhase
@nix { "action": "setPhase", "phase": "unpackPhase" }
unpacking source archive /nix/store/d58bim8cq1mxip40c50gxq03y416famq-source
source root is source
setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/uv.lock"
Running phase: patchPhase
@nix { "action": "setPhase", "phase": "patchPhase" }
Running phase: updateAutotoolsGnuConfigScriptsPhase
@nix { "action": "setPhase", "phase": "updateAutotoolsGnuConfigScriptsPhase" }
Running phase: configurePhase
@nix { "action": "setPhase", "phase": "configurePhase" }
no configure script, doing nothing
Running phase: buildPhase
@nix { "action": "setPhase", "phase": "buildPhase" }
Executing pypaBuildPhase
Creating a wheel...
pypa build flags: --no-isolation --outdir dist/ --wheel
* Getting build dependencies for wheel...

Traceback (most recent call last):
  File "/nix/store/r4285bvfn3pdjrz2qv1s3yir5rjb3fmi-python3.13-pyproject-hooks-1.2.0/lib/python3.13/site-packages/pyproject_hooks/_impl.py", line 402, in _call_hook
    raise BackendUnavailable(
    ...<4 lines>...
    )
pyproject_hooks._impl.BackendUnavailable: Cannot import 'uv_build'

ERROR Backend 'uv_build' is not available.