ui.py: untangle updateopts
The code in ui.updateopts that handles ui.quiet, ui.verbose and
ui.debugflag is too smart, making it somewhat hard to see what
are the exact constraints placed on the values of these variables,
hiding some buglets.
This patch makes these constraints more explicit, fixing these
buglets and changing the behaviour slightly. It also adds a test
to make sure things work as expected in the future.
The buglets:
- setting ui.debug = True in a hgrc wouldn't turn on verbose mode
- additionally, setting ui.quiet = True or using --quiet would give
you a "quiet debug" mode.
The behaviour change:
- previously, in a hgrc file, ui.quiet wins against ui.verbose (i.e.
the final result would be quiet mode), but --verbose wins against
--quiet
- now ui.quiet nullifies ui.verbose and --verbose nullifies --quiet.
As a consequence, using -qv always gives you normal mode (unless
debug mode was turned on somewhere)
# Copyright (C) 2005, 2006 by Intevation GmbH
# Author(s):
# Thomas Arendsen Hein <thomas@intevation.de>
#
# This program is free software under the GNU GPL (>=v2)
# Read the file COPYING coming with the software for details.
"""
Mercurial version
"""
import os
import os.path
import re
import time
import util
unknown_version = 'unknown'
remembered_version = False
def get_version():
"""Return version information if available."""
try:
from mercurial.__version__ import version
except ImportError:
version = unknown_version
return version
def write_version(version):
"""Overwrite version file."""
if version == get_version():
return
directory = os.path.dirname(__file__)
for suffix in ['py', 'pyc', 'pyo']:
try:
os.unlink(os.path.join(directory, '__version__.%s' % suffix))
except OSError:
pass
f = open(os.path.join(directory, '__version__.py'), 'w')
f.write("# This file is auto-generated.\n")
f.write("version = %r\n" % version)
f.close()
def remember_version(version=None):
"""Store version information."""
global remembered_version
if not version and os.path.isdir(".hg"):
f = os.popen("hg identify 2> %s" % util.nulldev) # use real hg installation
ident = f.read()[:-1]
if not f.close() and ident:
ids = ident.split(' ', 1)
version = ids.pop(0)
if version[-1] == '+':
version = version[:-1]
modified = True
else:
modified = False
if version.isalnum() and ids:
for tag in ids[0].split('/'):
# is a tag is suitable as a version number?
if re.match(r'^(\d+\.)+[\w.-]+$', tag):
version = tag
break
if modified:
version += time.strftime('+%Y%m%d')
if version:
remembered_version = True
write_version(version)
def forget_version():
"""Remove version information."""
if remembered_version:
write_version(unknown_version)