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repo_trace: adjust formatting, update man page.

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No behavior change in this CL.

Change-Id: Iab1eb01864ea8a5aec3a683200764d20786b42de
Reviewed-on: https://gerrit-review.googlesource.com/c/git-repo/+/351474
Tested-by: LaMont Jones <lamontjones@google.com>
Reviewed-by: Xin Li <delphij@google.com>
This commit is contained in:
LaMont Jones 2022-11-10 02:31:19 +00:00
parent b240d28bc0
commit afd767103e
2 changed files with 38 additions and 38 deletions
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2
man/repo.1
View File

@ -25,7 +25,7 @@ control color usage: auto, always, never
\fB\-\-trace\fR
trace git command execution (REPO_TRACE=1)
.TP
\fB\-\-trace-to-stderr\fR
\fB\-\-trace\-to\-stderr\fR
trace outputs go to stderr in addition to
\&.repo/TRACE_FILE
.TP

74
repo_trace.py
View File

@ -64,60 +64,60 @@ def _SetTraceFile():
class Trace(ContextDecorator):
def _time(self):
"""Generate nanoseconds of time in a py3.6 safe way"""
return int(time.time()*1e+9)
def _time(self):
"""Generate nanoseconds of time in a py3.6 safe way"""
return int(time.time() * 1e+9)
def __init__(self, fmt, *args, first_trace=False):
if not IsTrace():
return
self._trace_msg = fmt % args
def __init__(self, fmt, *args, first_trace=False):
if not IsTrace():
return
self._trace_msg = fmt % args
if not _TRACE_FILE:
_SetTraceFile()
if not _TRACE_FILE:
_SetTraceFile()
if first_trace:
_ClearOldTraces()
self._trace_msg = '%s %s' % (_NEW_COMMAND_SEP, self._trace_msg)
def __enter__(self):
if not IsTrace():
return self
print_msg = f'PID: {os.getpid()} START: {self._time()} :' + self._trace_msg + '\n'
with open(_TRACE_FILE, 'a') as f:
print(print_msg, file=f)
if _TRACE_TO_STDERR:
print(print_msg, file=sys.stderr)
if first_trace:
_ClearOldTraces()
self._trace_msg = f'{_NEW_COMMAND_SEP} {self._trace_msg}'
def __enter__(self):
if not IsTrace():
return self
def __exit__(self, *exc):
if not IsTrace():
return False
print_msg = f'PID: {os.getpid()} START: {self._time()} :{self._trace_msg}\n'
print_msg = f'PID: {os.getpid()} END: {self._time()} :' + self._trace_msg + '\n'
with open(_TRACE_FILE, 'a') as f:
print(print_msg, file=f)
with open(_TRACE_FILE, 'a') as f:
print(print_msg, file=f)
if _TRACE_TO_STDERR:
print(print_msg, file=sys.stderr)
if _TRACE_TO_STDERR:
print(print_msg, file=sys.stderr)
return self
def __exit__(self, *exc):
if not IsTrace():
return False
print_msg = f'PID: {os.getpid()} END: {self._time()} :{self._trace_msg}\n'
with open(_TRACE_FILE, 'a') as f:
print(print_msg, file=f)
if _TRACE_TO_STDERR:
print(print_msg, file=sys.stderr)
return False
def _GetTraceFile():
"""Get the trace file or create one."""
# TODO: refactor to pass repodir to Trace.
repo_dir = os.path.dirname(os.path.dirname(__file__))
trace_file = os.path.join(repo_dir, _TRACE_FILE_NAME)
print('Trace outputs in %s' % trace_file, file=sys.stderr)
print(f'Trace outputs in {trace_file}', file=sys.stderr)
return trace_file
def _ClearOldTraces():
"""Clear the oldest commands if trace file is too big.
@ -126,13 +126,13 @@ def _ClearOldTraces():
will not work precisely.
"""
if os.path.isfile(_TRACE_FILE):
while os.path.getsize(_TRACE_FILE)/(1024*1024) > _MAX_SIZE:
while os.path.getsize(_TRACE_FILE) / (1024 * 1024) > _MAX_SIZE:
temp_file = _TRACE_FILE + '.tmp'
with open(_TRACE_FILE, 'r', errors='ignore') as fin:
with open(temp_file, 'w') as tf:
trace_lines = fin.readlines()
for i , l in enumerate(trace_lines):
for i, l in enumerate(trace_lines):
if 'END:' in l and _NEW_COMMAND_SEP in l:
tf.writelines(trace_lines[i+1:])
tf.writelines(trace_lines[i + 1:])
break
platform_utils.rename(temp_file, _TRACE_FILE)