bumpver 0 -> 1
attrpath: bumpver
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/g8dh7qqjkch39ahxvppwq17x1abbi04q-packages.json.drv
building '/nix/store/g8dh7qqjkch39ahxvppwq17x1abbi04q-packages.json.drv'...

Going to be running update for following packages:
 - bumpver-2021.1110

Press Enter key to continue...
Running update for:
 - bumpver-2021.1110: UPDATING ...
 - bumpver-2021.1110: DONE.

Packages updated!

Diff after rewrites:
diff --git a/pkgs/applications/version-management/bumpver/default.nix b/pkgs/applications/version-management/bumpver/default.nix
index d540d4211073..731cc2683470 100644
--- a/pkgs/applications/version-management/bumpver/default.nix
+++ b/pkgs/applications/version-management/bumpver/default.nix
@@ -2,11 +2,11 @@
 
 python3.pkgs.buildPythonApplication rec {
   pname = "bumpver";
-  version = "2021.1110";
+  version = "2023.1129";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "b6a0ddb78db7e00ae7ffe895bf8ef97f91e6310dfc1c4721896bdfd044b1cb03";
+    sha256 = "sha256-KgmBMGbZKuLqv4gtT5qI69YBNegoxCS994AOFyPhUBA=";
   };
 
   prePatch = ''

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 bumpver
nix build failed.
src/bumpver/version.py:187: in to_pep440
    return str(parse_version(version))
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

version = 'v2017q1.54321'

    def parse_version(version: str) -> typ.Any:
        # pylint: disable=import-outside-toplevel; lazy import to speed up --help
    
        try:
            import pkg_resources
    
            return pkg_resources.parse_version(version)
        except (ImportError, ValueError):
>           import looseversion
E           ModuleNotFoundError: No module named 'looseversion'

src/bumpver/version.py:20: ModuleNotFoundError
=============================== warnings summary ===============================
../../nix/store/4718wmk03wr3554kmf09vy80vkdjvq56-python3.11-setuptools-69.1.1/lib/python3.11/site-packages/setuptools/sandbox.py:13
  /nix/store/4718wmk03wr3554kmf09vy80vkdjvq56-python3.11-setuptools-69.1.1/lib/python3.11/site-packages/setuptools/sandbox.py:13: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
    import pkg_resources

-- Docs: https://docs.pytest.org/en/stable/how-to/capture-warnings.html
=========================== short test summary info ============================
FAILED test/test_cli.py::test_commit_hook_execution - assert 1 == 0
FAILED test/test_cli.py::test_commit_hook_execution_fail - assert 'Script exited with an error. Stopping' in "\t[Errno 2] No such file...
FAILED test/test_version.py::test_to_pep440[v2017q1.54321-v2017q1.54321] - ModuleNotFoundError: No module named 'looseversion'
====== 3 failed, 521 passed, 1 deselected, 1 warning in 61.96s (0:01:01) =======
/nix/store/v5lsd029lz5lfhamivbgqyp3zdv94ah2-stdenv-linux/setup: line 1578: pop_var_context: head of shell_variables not a function context