Change cmd_output_bs retcode arg to a boolean check

pre_commit/commands/run.py

@@ -263,7 +263,7 @@ def _all_filenames(args: argparse.Namespace) -> Collection[str]:
 
 def _get_diff() -> bytes:
     _, out, _ = cmd_output_b(
-        'git', 'diff', '--no-ext-diff', '--ignore-submodules', retcode=None,
+        'git', 'diff', '--no-ext-diff', '--ignore-submodules', check=False,
     )
     return out
 
@@ -318,7 +318,7 @@ def _has_unmerged_paths() -> bool:
 def _has_unstaged_config(config_file: str) -> bool:
     retcode, _, _ = cmd_output_b(
         'git', 'diff', '--no-ext-diff', '--exit-code', config_file,
-        retcode=None,
+        check=False,
     )
     # be explicit, other git errors don't mean it has an unstaged config.
     return retcode == 1

pre_commit/error_handler.py

@@ -25,7 +25,7 @@ def _log_and_exit(
     error_msg = f'{msg}: {type(exc).__name__}: '.encode() + force_bytes(exc)
     output.write_line_b(error_msg)
 
-    _, git_version_b, _ = cmd_output_b('git', '--version', retcode=None)
+    _, git_version_b, _ = cmd_output_b('git', '--version', check=False)
     git_version = git_version_b.decode(errors='backslashreplace').rstrip()
 
     storedir = Store().directory

pre_commit/git.py

@@ -187,11 +187,11 @@ def head_rev(remote: str) -> str:
 
 def has_diff(*args: str, repo: str = '.') -> bool:
     cmd = ('git', 'diff', '--quiet', '--no-ext-diff', *args)
-    return cmd_output_b(*cmd, cwd=repo, retcode=None)[0] == 1
+    return cmd_output_b(*cmd, cwd=repo, check=False)[0] == 1
 
 
 def has_core_hookpaths_set() -> bool:
-    _, out, _ = cmd_output_b('git', 'config', 'core.hooksPath', retcode=None)
+    _, out, _ = cmd_output_b('git', 'config', 'core.hooksPath', check=False)
     return bool(out.strip())
 
 

pre_commit/languages/node.py

@@ -75,7 +75,7 @@ def in_env(
 
 def health_check(prefix: Prefix, language_version: str) -> str | None:
     with in_env(prefix, language_version):
-        retcode, _, _ = cmd_output_b('node', '--version', retcode=None)
+        retcode, _, _ = cmd_output_b('node', '--version', check=False)
         if retcode != 0:  # pragma: win32 no cover
             return f'`node --version` returned {retcode}'
         else:

pre_commit/languages/rust.py

@@ -36,7 +36,7 @@ def get_default_version() -> str:
     # Just detecting the executable does not suffice, because if rustup is
     # installed but no toolchain is available, then `cargo` exists but
     # cannot be used without installing a toolchain first.
-    if cmd_output_b('cargo', '--version', retcode=None)[0] == 0:
+    if cmd_output_b('cargo', '--version', check=False)[0] == 0:
         return 'system'
     else:
         return C.DEFAULT

pre_commit/staged_files_only.py

@@ -52,7 +52,7 @@ def _unstaged_changes_cleared(patch_dir: str) -> Generator[None, None, None]:
     retcode, diff_stdout_binary, _ = cmd_output_b(
         'git', 'diff-index', '--ignore-submodules', '--binary',
         '--exit-code', '--no-color', '--no-ext-diff', tree, '--',
-        retcode=None,
+        check=False,
     )
     if retcode and diff_stdout_binary.strip():
         patch_filename = f'patch{int(time.time())}-{os.getpid()}'

pre_commit/util.py

@@ -124,7 +124,7 @@ def _oserror_to_output(e: OSError) -> tuple[int, bytes, None]:
 
 def cmd_output_b(
         *cmd: str,
-        retcode: int | None = 0,
+        check: bool = True,
         **kwargs: Any,
 ) -> tuple[int, bytes, bytes | None]:
     _setdefault_kwargs(kwargs)
@@ -142,8 +142,9 @@ def cmd_output_b(
             stdout_b, stderr_b = proc.communicate()
             returncode = proc.returncode
 
-    if retcode is not None and retcode != returncode:
-        raise CalledProcessError(returncode, cmd, retcode, stdout_b, stderr_b)
+    SUCCESS = 0
+    if check and returncode != SUCCESS:
+        raise CalledProcessError(returncode, cmd, SUCCESS, stdout_b, stderr_b)
 
     return returncode, stdout_b, stderr_b
 
@@ -196,10 +197,10 @@ if os.name != 'nt':  # pragma: win32 no cover
 
     def cmd_output_p(
             *cmd: str,
-            retcode: int | None = 0,
+            check: bool = True,
             **kwargs: Any,
     ) -> tuple[int, bytes, bytes | None]:
-        assert retcode is None
+        assert check is False
         assert kwargs['stderr'] == subprocess.STDOUT, kwargs['stderr']
         _setdefault_kwargs(kwargs)
 

pre_commit/xargs.py

@@ -154,7 +154,7 @@ def xargs(
             run_cmd: tuple[str, ...],
     ) -> tuple[int, bytes, bytes | None]:
         return cmd_fn(
-            *run_cmd, retcode=None, stderr=subprocess.STDOUT, **kwargs,
+            *run_cmd, check=False, stderr=subprocess.STDOUT, **kwargs,
         )
 
     threads = min(len(partitions), target_concurrency)