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url: add distribution and version to user-agent request header (BC)...
url: add distribution and version to user-agent request header (BC) As a server operator, I've always wanted to know what Mercurial version clients are running so I can track version adoption and make informed decisions about which versions of Mercurial to support in extensions. Unfortunately, there is no easy way to discern this today: the best you can do is look for high-level feature usage (e.g. bundle2) or sniff capabilities from bundle2 commands. And these things aren't changed frequently enough to tell you anything that interesting. Nearly every piece of software talking HTTP sends its version in the user agent. This includes web browsers, curl, and even Git. This patch adds the distribution name and version to the user-agent HTTP request header. We choose "Mercurial" for the distribution name because that seems appropriate. The version string comes from __version__. The value is inside parenthesis for a few reasons: * The version *may* contain spaces * Alternate forms like "Mercurial/<version>" imply structure and since the user agent should not be used by servers for protocol or feature negotiation/detection, we don't want to even give the illusion that the value should be parsed. A free form field is the most hostile to parsing. Flagging the patch as BC so it shows up in release notes. This change should be backwards compatible. But I wouldn't be surprised if a server somewhere is filtering on the exact old user agent string. So I want to make noise about this change.

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graphlog.py
69 lines | 2.5 KiB | text/x-python | PythonLexer
# ASCII graph log extension for Mercurial
#
# Copyright 2007 Joel Rosdahl <joel@rosdahl.net>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.
'''command to view revision graphs from a shell (DEPRECATED)
The functionality of this extension has been include in core Mercurial
since version 2.3. Please use :hg:`log -G ...` instead.
This extension adds a --graph option to the incoming, outgoing and log
commands. When this options is given, an ASCII representation of the
revision graph is also shown.
'''
from __future__ import absolute_import
from mercurial.i18n import _
from mercurial import (
cmdutil,
commands,
)
cmdtable = {}
command = cmdutil.command(cmdtable)
# Note for extension authors: ONLY specify testedwith = 'internal' for
# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
# be specifying the version(s) of Mercurial they are tested with, or
# leave the attribute unspecified.
testedwith = 'internal'
@command('glog',
[('f', 'follow', None,
_('follow changeset history, or file history across copies and renames')),
('', 'follow-first', None,
_('only follow the first parent of merge changesets (DEPRECATED)')),
('d', 'date', '', _('show revisions matching date spec'), _('DATE')),
('C', 'copies', None, _('show copied files')),
('k', 'keyword', [],
_('do case-insensitive search for a given text'), _('TEXT')),
('r', 'rev', [], _('show the specified revision or revset'), _('REV')),
('', 'removed', None, _('include revisions where files were removed')),
('m', 'only-merges', None, _('show only merges (DEPRECATED)')),
('u', 'user', [], _('revisions committed by user'), _('USER')),
('', 'only-branch', [],
_('show only changesets within the given named branch (DEPRECATED)'),
_('BRANCH')),
('b', 'branch', [],
_('show changesets within the given named branch'), _('BRANCH')),
('P', 'prune', [],
_('do not display revision or any of its ancestors'), _('REV')),
] + commands.logopts + commands.walkopts,
_('[OPTION]... [FILE]'),
inferrepo=True)
def glog(ui, repo, *pats, **opts):
"""show revision history alongside an ASCII revision graph
Print a revision history alongside a revision graph drawn with
ASCII characters.
Nodes printed as an @ character are parents of the working
directory.
This is an alias to :hg:`log -G`.
"""
opts['graph'] = True
return commands.log(ui, repo, *pats, **opts)