revlog: add a way to keep track of older uids in the docket
When the revlog content is rewritten, we will use new files, to avoid truncating
the previous ones. We need some way to keep track of the older files before we
clean them up.
Differential Revision: https://phab.mercurial-scm.org/D10866
#!/usr/bin/env python3
# Filters traceback lines from stdin.
from __future__ import absolute_import, print_function
import io
import sys
if sys.version_info[0] >= 3:
# Prevent \r from being inserted on Windows.
sys.stdout = io.TextIOWrapper(
sys.stdout.buffer,
sys.stdout.encoding,
sys.stdout.errors,
newline="\n",
line_buffering=sys.stdout.line_buffering,
)
state = 'none'
for line in sys.stdin:
if state == 'none':
if line.startswith('Traceback '):
state = 'tb'
elif state == 'tb':
if line.startswith(' File '):
state = 'file'
continue
elif not line.startswith(' '):
state = 'none'
elif state == 'file':
# Ignore lines after " File "
state = 'tb'
continue
print(line, end='')