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@@ -1,516 +1,517 b'' | |||
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1 | 1 | # help.py - help data for mercurial |
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2 | 2 | # |
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3 | 3 | # Copyright 2006 Matt Mackall <mpm@selenic.com> |
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4 | 4 | # |
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5 | 5 | # This software may be used and distributed according to the terms of the |
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6 | 6 | # GNU General Public License version 2 or any later version. |
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7 | 7 | |
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8 | 8 | from i18n import gettext, _ |
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9 | 9 | import itertools, sys, os |
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10 | 10 | import error |
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11 | 11 | import extensions, revset, fileset, templatekw, templatefilters, filemerge |
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12 | 12 | import encoding, util, minirst |
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13 | 13 | import cmdutil |
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14 | 14 | |
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15 | 15 | def listexts(header, exts, indent=1, showdeprecated=False): |
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16 | 16 | '''return a text listing of the given extensions''' |
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17 | 17 | rst = [] |
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18 | 18 | if exts: |
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19 | 19 | rst.append('\n%s\n\n' % header) |
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20 | 20 | for name, desc in sorted(exts.iteritems()): |
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21 | 21 | if '(DEPRECATED)' in desc and not showdeprecated: |
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22 | 22 | continue |
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23 | 23 | rst.append('%s:%s: %s\n' % (' ' * indent, name, desc)) |
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24 | 24 | return rst |
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25 | 25 | |
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26 | 26 | def extshelp(): |
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27 | 27 | rst = loaddoc('extensions')().splitlines(True) |
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28 | 28 | rst.extend(listexts( |
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29 | 29 | _('enabled extensions:'), extensions.enabled(), showdeprecated=True)) |
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30 | 30 | rst.extend(listexts(_('disabled extensions:'), extensions.disabled())) |
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31 | 31 | doc = ''.join(rst) |
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32 | 32 | return doc |
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33 | 33 | |
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34 | 34 | def optrst(options, verbose): |
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35 | 35 | data = [] |
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36 | 36 | multioccur = False |
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37 | 37 | for option in options: |
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38 | 38 | if len(option) == 5: |
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39 | 39 | shortopt, longopt, default, desc, optlabel = option |
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40 | 40 | else: |
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41 | 41 | shortopt, longopt, default, desc = option |
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42 | 42 | optlabel = _("VALUE") # default label |
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43 | 43 | |
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44 | 44 | if not verbose and ("DEPRECATED" in desc or _("DEPRECATED") in desc): |
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45 | 45 | continue |
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46 | 46 | |
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47 | 47 | so = '' |
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48 | 48 | if shortopt: |
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49 | 49 | so = '-' + shortopt |
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50 | 50 | lo = '--' + longopt |
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51 | 51 | if default: |
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52 | 52 | desc += _(" (default: %s)") % default |
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53 | 53 | |
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54 | 54 | if isinstance(default, list): |
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55 | 55 | lo += " %s [+]" % optlabel |
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56 | 56 | multioccur = True |
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57 | 57 | elif (default is not None) and not isinstance(default, bool): |
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58 | 58 | lo += " %s" % optlabel |
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59 | 59 | |
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60 | 60 | data.append((so, lo, desc)) |
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61 | 61 | |
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62 | 62 | rst = minirst.maketable(data, 1) |
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63 | 63 | |
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64 | 64 | if multioccur: |
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65 | 65 | rst.append(_("\n[+] marked option can be specified multiple times\n")) |
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66 | 66 | |
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67 | 67 | return ''.join(rst) |
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68 | 68 | |
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69 | 69 | def indicateomitted(rst, omitted, notomitted=None): |
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70 | 70 | rst.append('\n\n.. container:: omitted\n\n %s\n\n' % omitted) |
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71 | 71 | if notomitted: |
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72 | 72 | rst.append('\n\n.. container:: notomitted\n\n %s\n\n' % notomitted) |
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73 | 73 | |
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74 | 74 | def topicmatch(kw): |
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75 | 75 | """Return help topics matching kw. |
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76 | 76 | |
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77 | 77 | Returns {'section': [(name, summary), ...], ...} where section is |
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78 | 78 | one of topics, commands, extensions, or extensioncommands. |
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79 | 79 | """ |
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80 | 80 | kw = encoding.lower(kw) |
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81 | 81 | def lowercontains(container): |
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82 | 82 | return kw in encoding.lower(container) # translated in helptable |
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83 | 83 | results = {'topics': [], |
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84 | 84 | 'commands': [], |
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85 | 85 | 'extensions': [], |
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86 | 86 | 'extensioncommands': [], |
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87 | 87 | } |
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88 | 88 | for names, header, doc in helptable: |
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89 | # Old extensions may use a str as doc. | |
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89 | 90 | if (sum(map(lowercontains, names)) |
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90 | 91 | or lowercontains(header) |
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91 | or lowercontains(doc())): | |
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92 | or (callable(doc) and lowercontains(doc()))): | |
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92 | 93 | results['topics'].append((names[0], header)) |
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93 | 94 | import commands # avoid cycle |
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94 | 95 | for cmd, entry in commands.table.iteritems(): |
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95 | 96 | if len(entry) == 3: |
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96 | 97 | summary = entry[2] |
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97 | 98 | else: |
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98 | 99 | summary = '' |
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99 | 100 | # translate docs *before* searching there |
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100 | 101 | docs = _(getattr(entry[0], '__doc__', None)) or '' |
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101 | 102 | if kw in cmd or lowercontains(summary) or lowercontains(docs): |
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102 | 103 | doclines = docs.splitlines() |
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103 | 104 | if doclines: |
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104 | 105 | summary = doclines[0] |
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105 | 106 | cmdname = cmd.split('|')[0].lstrip('^') |
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106 | 107 | results['commands'].append((cmdname, summary)) |
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107 | 108 | for name, docs in itertools.chain( |
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108 | 109 | extensions.enabled(False).iteritems(), |
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109 | 110 | extensions.disabled().iteritems()): |
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110 | 111 | # extensions.load ignores the UI argument |
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111 | 112 | mod = extensions.load(None, name, '') |
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112 | 113 | name = name.split('.')[-1] |
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113 | 114 | if lowercontains(name) or lowercontains(docs): |
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114 | 115 | # extension docs are already translated |
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115 | 116 | results['extensions'].append((name, docs.splitlines()[0])) |
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116 | 117 | for cmd, entry in getattr(mod, 'cmdtable', {}).iteritems(): |
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117 | 118 | if kw in cmd or (len(entry) > 2 and lowercontains(entry[2])): |
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118 | 119 | cmdname = cmd.split('|')[0].lstrip('^') |
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119 | 120 | if entry[0].__doc__: |
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120 | 121 | cmddoc = gettext(entry[0].__doc__).splitlines()[0] |
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121 | 122 | else: |
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122 | 123 | cmddoc = _('(no help text available)') |
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123 | 124 | results['extensioncommands'].append((cmdname, cmddoc)) |
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124 | 125 | return results |
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125 | 126 | |
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126 | 127 | def loaddoc(topic): |
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127 | 128 | """Return a delayed loader for help/topic.txt.""" |
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128 | 129 | |
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129 | 130 | def loader(): |
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130 | 131 | if util.mainfrozen(): |
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131 | 132 | module = sys.executable |
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132 | 133 | else: |
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133 | 134 | module = __file__ |
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134 | 135 | base = os.path.dirname(module) |
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135 | 136 | |
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136 | 137 | for dir in ('.', '..'): |
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137 | 138 | docdir = os.path.join(base, dir, 'help') |
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138 | 139 | if os.path.isdir(docdir): |
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139 | 140 | break |
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140 | 141 | |
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141 | 142 | path = os.path.join(docdir, topic + ".txt") |
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142 | 143 | doc = gettext(util.readfile(path)) |
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143 | 144 | for rewriter in helphooks.get(topic, []): |
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144 | 145 | doc = rewriter(topic, doc) |
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145 | 146 | return doc |
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146 | 147 | |
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147 | 148 | return loader |
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148 | 149 | |
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149 | 150 | helptable = sorted([ |
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150 | 151 | (["config", "hgrc"], _("Configuration Files"), loaddoc('config')), |
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151 | 152 | (["dates"], _("Date Formats"), loaddoc('dates')), |
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152 | 153 | (["patterns"], _("File Name Patterns"), loaddoc('patterns')), |
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153 | 154 | (['environment', 'env'], _('Environment Variables'), |
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154 | 155 | loaddoc('environment')), |
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155 | 156 | (['revisions', 'revs'], _('Specifying Single Revisions'), |
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156 | 157 | loaddoc('revisions')), |
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157 | 158 | (['multirevs', 'mrevs'], _('Specifying Multiple Revisions'), |
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158 | 159 | loaddoc('multirevs')), |
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159 | 160 | (['revsets', 'revset'], _("Specifying Revision Sets"), loaddoc('revsets')), |
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160 | 161 | (['filesets', 'fileset'], _("Specifying File Sets"), loaddoc('filesets')), |
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161 | 162 | (['diffs'], _('Diff Formats'), loaddoc('diffs')), |
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162 | 163 | (['merge-tools', 'mergetools'], _('Merge Tools'), loaddoc('merge-tools')), |
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163 | 164 | (['templating', 'templates', 'template', 'style'], _('Template Usage'), |
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164 | 165 | loaddoc('templates')), |
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165 | 166 | (['urls'], _('URL Paths'), loaddoc('urls')), |
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166 | 167 | (["extensions"], _("Using Additional Features"), extshelp), |
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167 | 168 | (["subrepos", "subrepo"], _("Subrepositories"), loaddoc('subrepos')), |
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168 | 169 | (["hgweb"], _("Configuring hgweb"), loaddoc('hgweb')), |
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169 | 170 | (["glossary"], _("Glossary"), loaddoc('glossary')), |
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170 | 171 | (["hgignore", "ignore"], _("Syntax for Mercurial Ignore Files"), |
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171 | 172 | loaddoc('hgignore')), |
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172 | 173 | (["phases"], _("Working with Phases"), loaddoc('phases')), |
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173 | 174 | ]) |
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174 | 175 | |
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175 | 176 | # Map topics to lists of callable taking the current topic help and |
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176 | 177 | # returning the updated version |
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177 | 178 | helphooks = {} |
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178 | 179 | |
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179 | 180 | def addtopichook(topic, rewriter): |
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180 | 181 | helphooks.setdefault(topic, []).append(rewriter) |
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181 | 182 | |
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182 | 183 | def makeitemsdoc(topic, doc, marker, items): |
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183 | 184 | """Extract docstring from the items key to function mapping, build a |
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184 | 185 | .single documentation block and use it to overwrite the marker in doc |
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185 | 186 | """ |
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186 | 187 | entries = [] |
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187 | 188 | for name in sorted(items): |
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188 | 189 | text = (items[name].__doc__ or '').rstrip() |
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189 | 190 | if not text: |
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190 | 191 | continue |
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191 | 192 | text = gettext(text) |
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192 | 193 | lines = text.splitlines() |
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193 | 194 | doclines = [(lines[0])] |
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194 | 195 | for l in lines[1:]: |
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195 | 196 | # Stop once we find some Python doctest |
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196 | 197 | if l.strip().startswith('>>>'): |
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197 | 198 | break |
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198 | 199 | doclines.append(' ' + l.strip()) |
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199 | 200 | entries.append('\n'.join(doclines)) |
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200 | 201 | entries = '\n\n'.join(entries) |
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201 | 202 | return doc.replace(marker, entries) |
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202 | 203 | |
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203 | 204 | def addtopicsymbols(topic, marker, symbols): |
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204 | 205 | def add(topic, doc): |
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205 | 206 | return makeitemsdoc(topic, doc, marker, symbols) |
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206 | 207 | addtopichook(topic, add) |
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207 | 208 | |
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208 | 209 | addtopicsymbols('filesets', '.. predicatesmarker', fileset.symbols) |
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209 | 210 | addtopicsymbols('merge-tools', '.. internaltoolsmarker', filemerge.internals) |
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210 | 211 | addtopicsymbols('revsets', '.. predicatesmarker', revset.symbols) |
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211 | 212 | addtopicsymbols('templates', '.. keywordsmarker', templatekw.dockeywords) |
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212 | 213 | addtopicsymbols('templates', '.. filtersmarker', templatefilters.filters) |
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213 | 214 | |
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214 | 215 | def help_(ui, name, unknowncmd=False, full=True, **opts): |
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215 | 216 | ''' |
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216 | 217 | Generate the help for 'name' as unformatted restructured text. If |
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217 | 218 | 'name' is None, describe the commands available. |
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218 | 219 | ''' |
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219 | 220 | |
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220 | 221 | import commands # avoid cycle |
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221 | 222 | |
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222 | 223 | def helpcmd(name): |
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223 | 224 | try: |
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224 | 225 | aliases, entry = cmdutil.findcmd(name, commands.table, |
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225 | 226 | strict=unknowncmd) |
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226 | 227 | except error.AmbiguousCommand, inst: |
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227 | 228 | # py3k fix: except vars can't be used outside the scope of the |
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228 | 229 | # except block, nor can be used inside a lambda. python issue4617 |
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229 | 230 | prefix = inst.args[0] |
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230 | 231 | select = lambda c: c.lstrip('^').startswith(prefix) |
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231 | 232 | rst = helplist(select) |
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232 | 233 | return rst |
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233 | 234 | |
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234 | 235 | rst = [] |
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235 | 236 | |
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236 | 237 | # check if it's an invalid alias and display its error if it is |
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237 | 238 | if getattr(entry[0], 'badalias', False): |
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238 | 239 | if not unknowncmd: |
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239 | 240 | ui.pushbuffer() |
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240 | 241 | entry[0](ui) |
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241 | 242 | rst.append(ui.popbuffer()) |
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242 | 243 | return rst |
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243 | 244 | |
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244 | 245 | # synopsis |
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245 | 246 | if len(entry) > 2: |
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246 | 247 | if entry[2].startswith('hg'): |
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247 | 248 | rst.append("%s\n" % entry[2]) |
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248 | 249 | else: |
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249 | 250 | rst.append('hg %s %s\n' % (aliases[0], entry[2])) |
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250 | 251 | else: |
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251 | 252 | rst.append('hg %s\n' % aliases[0]) |
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252 | 253 | # aliases |
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253 | 254 | if full and not ui.quiet and len(aliases) > 1: |
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254 | 255 | rst.append(_("\naliases: %s\n") % ', '.join(aliases[1:])) |
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255 | 256 | rst.append('\n') |
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256 | 257 | |
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257 | 258 | # description |
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258 | 259 | doc = gettext(entry[0].__doc__) |
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259 | 260 | if not doc: |
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260 | 261 | doc = _("(no help text available)") |
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261 | 262 | if util.safehasattr(entry[0], 'definition'): # aliased command |
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262 | 263 | if entry[0].definition.startswith('!'): # shell alias |
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263 | 264 | doc = _('shell alias for::\n\n %s') % entry[0].definition[1:] |
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264 | 265 | else: |
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265 | 266 | doc = _('alias for: hg %s\n\n%s') % (entry[0].definition, doc) |
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266 | 267 | doc = doc.splitlines(True) |
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267 | 268 | if ui.quiet or not full: |
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268 | 269 | rst.append(doc[0]) |
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269 | 270 | else: |
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270 | 271 | rst.extend(doc) |
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271 | 272 | rst.append('\n') |
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272 | 273 | |
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273 | 274 | # check if this command shadows a non-trivial (multi-line) |
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274 | 275 | # extension help text |
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275 | 276 | try: |
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276 | 277 | mod = extensions.find(name) |
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277 | 278 | doc = gettext(mod.__doc__) or '' |
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278 | 279 | if '\n' in doc.strip(): |
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279 | 280 | msg = _('use "hg help -e %s" to show help for ' |
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280 | 281 | 'the %s extension') % (name, name) |
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281 | 282 | rst.append('\n%s\n' % msg) |
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282 | 283 | except KeyError: |
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283 | 284 | pass |
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284 | 285 | |
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285 | 286 | # options |
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286 | 287 | if not ui.quiet and entry[1]: |
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287 | 288 | rst.append('\n%s\n\n' % _("options:")) |
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288 | 289 | rst.append(optrst(entry[1], ui.verbose)) |
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289 | 290 | |
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290 | 291 | if ui.verbose: |
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291 | 292 | rst.append('\n%s\n\n' % _("global options:")) |
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292 | 293 | rst.append(optrst(commands.globalopts, ui.verbose)) |
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293 | 294 | |
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294 | 295 | if not ui.verbose: |
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295 | 296 | if not full: |
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296 | 297 | rst.append(_('\nuse "hg help %s" to show the full help text\n') |
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297 | 298 | % name) |
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298 | 299 | elif not ui.quiet: |
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299 | 300 | omitted = _('use "hg -v help %s" to show more complete' |
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300 | 301 | ' help and the global options') % name |
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301 | 302 | notomitted = _('use "hg -v help %s" to show' |
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302 | 303 | ' the global options') % name |
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303 | 304 | indicateomitted(rst, omitted, notomitted) |
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304 | 305 | |
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305 | 306 | return rst |
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306 | 307 | |
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307 | 308 | |
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308 | 309 | def helplist(select=None): |
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309 | 310 | # list of commands |
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310 | 311 | if name == "shortlist": |
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311 | 312 | header = _('basic commands:\n\n') |
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312 | 313 | elif name == "debug": |
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313 | 314 | header = _('debug commands (internal and unsupported):\n\n') |
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314 | 315 | else: |
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315 | 316 | header = _('list of commands:\n\n') |
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316 | 317 | |
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317 | 318 | h = {} |
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318 | 319 | cmds = {} |
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319 | 320 | for c, e in commands.table.iteritems(): |
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320 | 321 | f = c.split("|", 1)[0] |
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321 | 322 | if select and not select(f): |
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322 | 323 | continue |
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323 | 324 | if (not select and name != 'shortlist' and |
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324 | 325 | e[0].__module__ != commands.__name__): |
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325 | 326 | continue |
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326 | 327 | if name == "shortlist" and not f.startswith("^"): |
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327 | 328 | continue |
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328 | 329 | f = f.lstrip("^") |
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329 | 330 | if not ui.debugflag and f.startswith("debug") and name != "debug": |
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330 | 331 | continue |
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331 | 332 | doc = e[0].__doc__ |
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332 | 333 | if doc and 'DEPRECATED' in doc and not ui.verbose: |
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333 | 334 | continue |
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334 | 335 | doc = gettext(doc) |
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335 | 336 | if not doc: |
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336 | 337 | doc = _("(no help text available)") |
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337 | 338 | h[f] = doc.splitlines()[0].rstrip() |
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338 | 339 | cmds[f] = c.lstrip("^") |
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339 | 340 | |
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340 | 341 | rst = [] |
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341 | 342 | if not h: |
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342 | 343 | if not ui.quiet: |
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343 | 344 | rst.append(_('no commands defined\n')) |
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344 | 345 | return rst |
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345 | 346 | |
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346 | 347 | if not ui.quiet: |
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347 | 348 | rst.append(header) |
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348 | 349 | fns = sorted(h) |
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349 | 350 | for f in fns: |
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350 | 351 | if ui.verbose: |
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351 | 352 | commacmds = cmds[f].replace("|",", ") |
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352 | 353 | rst.append(" :%s: %s\n" % (commacmds, h[f])) |
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353 | 354 | else: |
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354 | 355 | rst.append(' :%s: %s\n' % (f, h[f])) |
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355 | 356 | |
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356 | 357 | if not name: |
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357 | 358 | exts = listexts(_('enabled extensions:'), extensions.enabled()) |
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358 | 359 | if exts: |
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359 | 360 | rst.append('\n') |
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360 | 361 | rst.extend(exts) |
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361 | 362 | |
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362 | 363 | rst.append(_("\nadditional help topics:\n\n")) |
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363 | 364 | topics = [] |
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364 | 365 | for names, header, doc in helptable: |
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365 | 366 | topics.append((names[0], header)) |
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366 | 367 | for t, desc in topics: |
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367 | 368 | rst.append(" :%s: %s\n" % (t, desc)) |
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368 | 369 | |
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369 | 370 | optlist = [] |
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370 | 371 | if not ui.quiet: |
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371 | 372 | if ui.verbose: |
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372 | 373 | optlist.append((_("global options:"), commands.globalopts)) |
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373 | 374 | if name == 'shortlist': |
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374 | 375 | optlist.append((_('use "hg help" for the full list ' |
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375 | 376 | 'of commands'), ())) |
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376 | 377 | else: |
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377 | 378 | if name == 'shortlist': |
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378 | 379 | msg = _('use "hg help" for the full list of commands ' |
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379 | 380 | 'or "hg -v" for details') |
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380 | 381 | elif name and not full: |
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381 | 382 | msg = _('use "hg help %s" to show the full help ' |
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382 | 383 | 'text') % name |
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383 | 384 | else: |
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384 | 385 | msg = _('use "hg -v help%s" to show builtin aliases and ' |
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385 | 386 | 'global options') % (name and " " + name or "") |
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386 | 387 | optlist.append((msg, ())) |
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387 | 388 | |
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388 | 389 | if optlist: |
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389 | 390 | for title, options in optlist: |
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390 | 391 | rst.append('\n%s\n' % title) |
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391 | 392 | if options: |
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392 | 393 | rst.append('\n%s\n' % optrst(options, ui.verbose)) |
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393 | 394 | return rst |
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394 | 395 | |
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395 | 396 | def helptopic(name): |
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396 | 397 | for names, header, doc in helptable: |
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397 | 398 | if name in names: |
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398 | 399 | break |
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399 | 400 | else: |
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400 | 401 | raise error.UnknownCommand(name) |
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401 | 402 | |
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402 | 403 | rst = [minirst.section(header)] |
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403 | 404 | |
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404 | 405 | # description |
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405 | 406 | if not doc: |
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406 | 407 | rst.append(" %s\n" % _("(no help text available)")) |
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407 | 408 | if callable(doc): |
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408 | 409 | rst += [" %s\n" % l for l in doc().splitlines()] |
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409 | 410 | |
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410 | 411 | if not ui.verbose: |
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411 | 412 | omitted = (_('use "hg help -v %s" to show more complete help') % |
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412 | 413 | name) |
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413 | 414 | indicateomitted(rst, omitted) |
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414 | 415 | |
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415 | 416 | try: |
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416 | 417 | cmdutil.findcmd(name, commands.table) |
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417 | 418 | rst.append(_('\nuse "hg help -c %s" to see help for ' |
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418 | 419 | 'the %s command\n') % (name, name)) |
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419 | 420 | except error.UnknownCommand: |
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420 | 421 | pass |
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421 | 422 | return rst |
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422 | 423 | |
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423 | 424 | def helpext(name): |
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424 | 425 | try: |
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425 | 426 | mod = extensions.find(name) |
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426 | 427 | doc = gettext(mod.__doc__) or _('no help text available') |
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427 | 428 | except KeyError: |
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428 | 429 | mod = None |
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429 | 430 | doc = extensions.disabledext(name) |
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430 | 431 | if not doc: |
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431 | 432 | raise error.UnknownCommand(name) |
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432 | 433 | |
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433 | 434 | if '\n' not in doc: |
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434 | 435 | head, tail = doc, "" |
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435 | 436 | else: |
|
436 | 437 | head, tail = doc.split('\n', 1) |
|
437 | 438 | rst = [_('%s extension - %s\n\n') % (name.split('.')[-1], head)] |
|
438 | 439 | if tail: |
|
439 | 440 | rst.extend(tail.splitlines(True)) |
|
440 | 441 | rst.append('\n') |
|
441 | 442 | |
|
442 | 443 | if not ui.verbose: |
|
443 | 444 | omitted = (_('use "hg help -v %s" to show more complete help') % |
|
444 | 445 | name) |
|
445 | 446 | indicateomitted(rst, omitted) |
|
446 | 447 | |
|
447 | 448 | if mod: |
|
448 | 449 | try: |
|
449 | 450 | ct = mod.cmdtable |
|
450 | 451 | except AttributeError: |
|
451 | 452 | ct = {} |
|
452 | 453 | modcmds = set([c.split('|', 1)[0] for c in ct]) |
|
453 | 454 | rst.extend(helplist(modcmds.__contains__)) |
|
454 | 455 | else: |
|
455 | 456 | rst.append(_('use "hg help extensions" for information on enabling ' |
|
456 | 457 | 'extensions\n')) |
|
457 | 458 | return rst |
|
458 | 459 | |
|
459 | 460 | def helpextcmd(name): |
|
460 | 461 | cmd, ext, mod = extensions.disabledcmd(ui, name, |
|
461 | 462 | ui.configbool('ui', 'strict')) |
|
462 | 463 | doc = gettext(mod.__doc__).splitlines()[0] |
|
463 | 464 | |
|
464 | 465 | rst = listexts(_("'%s' is provided by the following " |
|
465 | 466 | "extension:") % cmd, {ext: doc}, indent=4) |
|
466 | 467 | rst.append('\n') |
|
467 | 468 | rst.append(_('use "hg help extensions" for information on enabling ' |
|
468 | 469 | 'extensions\n')) |
|
469 | 470 | return rst |
|
470 | 471 | |
|
471 | 472 | |
|
472 | 473 | rst = [] |
|
473 | 474 | kw = opts.get('keyword') |
|
474 | 475 | if kw: |
|
475 | 476 | matches = topicmatch(kw) |
|
476 | 477 | for t, title in (('topics', _('Topics')), |
|
477 | 478 | ('commands', _('Commands')), |
|
478 | 479 | ('extensions', _('Extensions')), |
|
479 | 480 | ('extensioncommands', _('Extension Commands'))): |
|
480 | 481 | if matches[t]: |
|
481 | 482 | rst.append('%s:\n\n' % title) |
|
482 | 483 | rst.extend(minirst.maketable(sorted(matches[t]), 1)) |
|
483 | 484 | rst.append('\n') |
|
484 | 485 | if not rst: |
|
485 | 486 | msg = _('no matches') |
|
486 | 487 | hint = _('try "hg help" for a list of topics') |
|
487 | 488 | raise util.Abort(msg, hint=hint) |
|
488 | 489 | elif name and name != 'shortlist': |
|
489 | 490 | if unknowncmd: |
|
490 | 491 | queries = (helpextcmd,) |
|
491 | 492 | elif opts.get('extension'): |
|
492 | 493 | queries = (helpext,) |
|
493 | 494 | elif opts.get('command'): |
|
494 | 495 | queries = (helpcmd,) |
|
495 | 496 | else: |
|
496 | 497 | queries = (helptopic, helpcmd, helpext, helpextcmd) |
|
497 | 498 | for f in queries: |
|
498 | 499 | try: |
|
499 | 500 | rst = f(name) |
|
500 | 501 | break |
|
501 | 502 | except error.UnknownCommand: |
|
502 | 503 | pass |
|
503 | 504 | else: |
|
504 | 505 | if unknowncmd: |
|
505 | 506 | raise error.UnknownCommand(name) |
|
506 | 507 | else: |
|
507 | 508 | msg = _('no such help topic: %s') % name |
|
508 | 509 | hint = _('try "hg help --keyword %s"') % name |
|
509 | 510 | raise util.Abort(msg, hint=hint) |
|
510 | 511 | else: |
|
511 | 512 | # program name |
|
512 | 513 | if not ui.quiet: |
|
513 | 514 | rst = [_("Mercurial Distributed SCM\n"), '\n'] |
|
514 | 515 | rst.extend(helplist()) |
|
515 | 516 | |
|
516 | 517 | return ''.join(rst) |
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