1
# Copyright (C) 2004, 2005, 2006 Canonical Ltd
1
# Copyright (C) 2004, 2005, 2006 by Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
20
20
# executable files with reasonable names.
22
22
# TODO: `help commands --all` should show hidden commands
26
"""Bazaar -- a free distributed version-control tool
27
http://bazaar-vcs.org/
31
bzr init makes this directory a versioned branch
32
bzr branch make a copy of another branch
34
bzr add make files or directories versioned
35
bzr ignore ignore a file or pattern
36
bzr mv move or rename a versioned file
38
bzr status summarize changes in working copy
39
bzr diff show detailed diffs
41
bzr merge pull in changes from another branch
42
bzr commit save some or all changes
44
bzr log show history of changes
45
bzr check validate storage
47
bzr help init more help on e.g. init command
48
bzr help commands list all commands
33
def help(topic=None, outfile=None):
34
"""Write the help for the specific topic to outfile"""
55
def help(topic=None, outfile = None):
35
56
if outfile is None:
36
57
outfile = sys.stdout
41
if topic in help_topics.topic_registry:
42
txt = help_topics.topic_registry.get_detail(topic)
59
outfile.write(global_help)
60
elif topic == 'commands':
61
help_commands(outfile = outfile)
45
help_on_command(topic, outfile=outfile)
63
help_on_command(topic, outfile = outfile)
48
66
def command_usage(cmd_object):
94
112
raise NotImplementedError("sorry, no detailed help yet for %r" % cmdname)
96
print >>outfile, 'usage:', command_usage(cmd_object)
114
print >>outfile, 'usage:', command_usage(cmd_object)
98
116
if cmd_object.aliases:
99
117
print >>outfile, 'aliases:',
121
139
def help_commands(outfile=None):
122
140
"""List all commands"""
125
outfile.write(_help_commands_to_text('commands'))
128
def _help_commands_to_text(topic):
129
"""Generate the help text for the list of commands"""
130
141
from bzrlib.commands import (builtin_command_names,
131
142
plugin_command_names,
134
if topic == 'hidden-commands':
138
names = set(builtin_command_names()) # to eliminate duplicates
148
names = set() # to eliminate duplicates
149
names.update(builtin_command_names())
139
150
names.update(plugin_command_names())
140
commands = ((n, get_cmd_object(n)) for n in names)
141
shown_commands = [(n, o) for n, o in commands if o.hidden == hidden]
142
max_name = max(len(n) for n, o in shown_commands)
143
indent = ' ' * (max_name + 1)
144
width = osutils.terminal_width() - 1
146
for cmd_name, cmd_object in sorted(shown_commands):
154
for cmd_name in names:
155
cmd_object = get_cmd_object(cmd_name)
156
if cmd_object.hidden:
158
print >>outfile, command_usage(cmd_object)
147
160
plugin_name = cmd_object.plugin_name()
148
if plugin_name is None:
151
plugin_name = ' [%s]' % plugin_name
161
print_command_plugin(cmd_object, outfile, ' %s\n')
153
163
cmd_help = cmd_object.help()
155
165
firstline = cmd_help.split('\n', 1)[0]
158
helpstring = '%-*s %s%s' % (max_name, cmd_name, firstline, plugin_name)
159
lines = textwrap.wrap(helpstring, subsequent_indent=indent,
162
out.append(line + '\n')
166
help_topics.topic_registry.register("commands",
167
_help_commands_to_text,
168
"Basic help for all commands")
169
help_topics.topic_registry.register("hidden-commands",
170
_help_commands_to_text,
171
"All hidden commands")
166
print >>outfile, ' ' + firstline