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#! /usr/bin/env python3
# Script to update all the hardcoded dates in the source tree.
# - Documentation manpages have a "last updated" header and footer.
# - So do the READMEs.
# - The source files have copyright headers.
# This script should be run in the main PCRE2 directory.
import glob
import re
import subprocess
from UpdateCommon import update_file
date_regex = r'\d+ (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\w* \d+'
header_regex = r'(?m)^(.TH.*? )"%s"' % date_regex
last_updated_regex = r'(?m)^Last updated: %s' % date_regex
def get_last_date(filename):
result = subprocess.run(['git', 'log', '-n1', '--date=format:%d %B %Y', '--format=%cd', '--grep', '#noupdate', '--invert-grep', filename], capture_output=True, text=True)
return result.stdout.strip()
def check_no_match(filename, pattern):
with open(filename, 'r') as file:
content = file.read()
if re.search(pattern, content):
raise Exception('Pattern unexpectedly found in %s' % filename)
def update_man_date(filename):
print(' Updating %s' % filename)
file_date = get_last_date(filename)
update_file(filename, header_regex, '\\1"%s"' % file_date)
if filename.startswith('doc/pcre2_') or filename == 'doc/pcre2demo.3':
check_no_match(filename, last_updated_regex)
else:
update_file(filename, last_updated_regex, 'Last updated: %s' % file_date)
print('Updating man pages')
# doc/*.1
for filename in glob.glob('doc/*.1'):
update_man_date(filename)
# doc/*.3
for filename in glob.glob('doc/*.3'):
if filename == 'doc/pcre2demo.3':
continue
update_man_date(filename)
# README, NON-AUTOTOOLS-BUILD
print('Updating README and NON-AUTOTOOLS-BUILD')
for filename in ['README', 'NON-AUTOTOOLS-BUILD']:
line = 'Last updated: %s' % get_last_date(filename)
padding = '=' * len(line)
update_file(filename, r'(?i)=+\nLast updated: .*?\n=+', '%s\n%s\n%s' % (padding, line, padding))
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