def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None:
error_msg = f'{msg}: {type(exc).__name__}: '.encode() + force_bytes(exc)
output.write_line_b(error_msg)
log_path = os.path.join(Store().directory, 'pre-commit.log')
output.write_line(f'Check the log at {log_path}')
with open(log_path, 'wb') as log:
_log_line = functools.partial(output.write_line, stream=log)
_log_line_b = functools.partial(output.write_line_b, stream=log)
_log_line('### version information')
_log_line()
_log_line('```')
_log_line(f'pre-commit version: {C.VERSION}')
_log_line('sys.version:')
for line in sys.version.splitlines():
_log_line(f' {line}')
_log_line(f'sys.executable: {sys.executable}')
_log_line(f'os.name: {os.name}')
_log_line(f'sys.platform: {sys.platform}')
_log_line('```')
_log_line()
_log_line('### error information')
_log_line()
_log_line('```')
_log_line_b(error_msg)
_log_line('```')
_log_line()
_log_line('```')
_log_line(formatted)
_log_line('```')
raise SystemExit(1)
def _log_and_exit(msg: str, exc: BaseException, formatted: str) -> None:
error_msg = f"{msg}: {type(exc).__name__}: ".encode() + force_bytes(exc)
output.write_line_b(error_msg)
log_path = os.path.join(Store().directory, "pre-commit.log")
output.write_line(f"Check the log at {log_path}")
with open(log_path, "wb") as log:
_log_line = functools.partial(output.write_line, stream=log)
_log_line_b = functools.partial(output.write_line_b, stream=log)
_log_line("### version information")
_log_line()
_log_line("```")
_log_line(f"pre-commit version: {C.VERSION}")
_log_line("sys.version:")
for line in sys.version.splitlines():
_log_line(f" {line}")
_log_line(f"sys.executable: {sys.executable}")
_log_line(f"os.name: {os.name}")
_log_line(f"sys.platform: {sys.platform}")
_log_line("```")
_log_line()
_log_line("### error information")
_log_line()
_log_line("```")
_log_line_b(error_msg)
_log_line("```")
_log_line()
_log_line("```")
_log_line(formatted)
_log_line("```")
raise SystemExit(1)
def _process_filename_by_line(pattern: Pattern[bytes], filename: str) -> int:
retv = 0
with open(filename, "rb") as f:
for line_no, line in enumerate(f, start=1):
if pattern.search(line):
retv = 1
output.write(f"{filename}:{line_no}:")
output.write_line_b(line.rstrip(b"\r\n"))
return retv
def _log_and_exit(
msg: str,
ret_code: int,
exc: BaseException,
formatted: str,
) -> None:
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 = git_version_b.decode(errors='backslashreplace').rstrip()
storedir = Store().directory
log_path = os.path.join(storedir, 'pre-commit.log')
with contextlib.ExitStack() as ctx:
if os.access(storedir, os.W_OK):
output.write_line(f'Check the log at {log_path}')
log: IO[bytes] = ctx.enter_context(open(log_path, 'wb'))
else: # pragma: win32 no cover
output.write_line(f'Failed to write to log at {log_path}')
log = sys.stdout.buffer
_log_line = functools.partial(output.write_line, stream=log)
_log_line_b = functools.partial(output.write_line_b, stream=log)
_log_line('### version information')
_log_line()
_log_line('```')
_log_line(f'pre-commit version: {C.VERSION}')
_log_line(f'git --version: {git_version}')
_log_line('sys.version:')
for line in sys.version.splitlines():
_log_line(f' {line}')
_log_line(f'sys.executable: {sys.executable}')
_log_line(f'os.name: {os.name}')
_log_line(f'sys.platform: {sys.platform}')
_log_line('```')
_log_line()
_log_line('### error information')
_log_line()
_log_line('```')
_log_line_b(error_msg)
_log_line('```')
_log_line()
_log_line('```')
_log_line(formatted.rstrip())
_log_line('```')
raise SystemExit(ret_code)
def _process_filename_at_once(pattern: Pattern[bytes], filename: str) -> int:
retv = 0
with open(filename, "rb") as f:
contents = f.read()
match = pattern.search(contents)
if match:
retv = 1
line_no = contents[: match.start()].count(b"\n")
output.write(f"{filename}:{line_no + 1}:")
matched_lines = match[0].split(b"\n")
matched_lines[0] = contents.split(b"\n")[line_no]
output.write_line_b(b"\n".join(matched_lines))
return retv
def _run_single_hook(
classifier: Classifier,
hook: Hook,
skips: Set[str],
cols: int,
diff_before: bytes,
verbose: bool,
use_color: bool,
) -> Tuple[bool, bytes]:
filenames = classifier.filenames_for_hook(hook)
if hook.id in skips or hook.alias in skips:
output.write(
_full_msg(
start=hook.name,
end_msg=SKIPPED,
end_color=color.YELLOW,
use_color=use_color,
cols=cols,
), )
duration = None
retcode = 0
diff_after = diff_before
files_modified = False
out = b''
elif not filenames and not hook.always_run:
output.write(
_full_msg(
start=hook.name,
postfix=NO_FILES,
end_msg=SKIPPED,
end_color=color.TURQUOISE,
use_color=use_color,
cols=cols,
), )
duration = None
retcode = 0
diff_after = diff_before
files_modified = False
out = b''
else:
# print hook and dots first in case the hook takes a while to run
output.write(_start_msg(start=hook.name, end_len=6, cols=cols))
if not hook.pass_filenames:
filenames = ()
time_before = time.time()
language = languages[hook.language]
retcode, out = language.run_hook(hook, filenames, use_color)
duration = round(time.time() - time_before, 2) or 0
diff_after = _get_diff()
# if the hook makes changes, fail the commit
files_modified = diff_before != diff_after
if retcode or files_modified:
print_color = color.RED
status = 'Failed'
else:
print_color = color.GREEN
status = 'Passed'
output.write_line(color.format_color(status, print_color, use_color))
if verbose or hook.verbose or retcode or files_modified:
_subtle_line(f'- hook id: {hook.id}', use_color)
if (verbose or hook.verbose) and duration is not None:
_subtle_line(f'- duration: {duration}s', use_color)
if retcode:
_subtle_line(f'- exit code: {retcode}', use_color)
# Print a message if failing due to file modifications
if files_modified:
_subtle_line('- files were modified by this hook', use_color)
if out.strip():
output.write_line()
output.write_line_b(out.strip(), logfile_name=hook.log_file)
output.write_line()
return files_modified or bool(retcode), diff_after
