Mercurial > hg
annotate hgext/show.py @ 32405:bdc4861ffe59
fsmonitor: fix silly "*kwargs" bug in merge.update() override
Everyone knows that it's supposed to be spelled with two asterisks.
It started failing in fad5e299cfc7 (update: accept --merge to allow
merging across topo branches (issue5125), 2017-02-13) because until
then there was only one argument that was covered by the kwargs, so
*kwargs or **kwargs both worked (or at least that's what I think with
my limited understanding of Python).
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Mon, 22 May 2017 10:41:32 -0700 |
parents | 04baab18d60a |
children | 50586a0a946f |
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1 # show.py - Extension implementing `hg show` |
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2 # |
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3 # Copyright 2017 Gregory Szorc <gregory.szorc@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 """unified command to show various repository information (EXPERIMENTAL) |
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9 |
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10 This extension provides the :hg:`show` command, which provides a central |
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11 command for displaying commonly-accessed repository data and views of that |
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12 data. |
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13 """ |
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14 |
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15 from __future__ import absolute_import |
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16 |
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17 from mercurial.i18n import _ |
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18 from mercurial.node import nullrev |
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19 from mercurial import ( |
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20 cmdutil, |
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21 error, |
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22 formatter, |
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23 graphmod, |
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24 pycompat, |
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25 registrar, |
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26 revset, |
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27 revsetlang, |
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28 ) |
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29 |
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30 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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31 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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32 # be specifying the version(s) of Mercurial they are tested with, or |
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33 # leave the attribute unspecified. |
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34 testedwith = 'ships-with-hg-core' |
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35 |
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36 cmdtable = {} |
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37 command = registrar.command(cmdtable) |
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38 revsetpredicate = registrar.revsetpredicate() |
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39 |
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40 class showcmdfunc(registrar._funcregistrarbase): |
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41 """Register a function to be invoked for an `hg show <thing>`.""" |
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42 |
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43 # Used by _formatdoc(). |
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44 _docformat = '%s -- %s' |
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45 |
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46 def _extrasetup(self, name, func, fmtopic=None): |
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47 """Called with decorator arguments to register a show view. |
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48 |
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49 ``name`` is the sub-command name. |
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50 |
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51 ``func`` is the function being decorated. |
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52 |
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53 ``fmtopic`` is the topic in the style that will be rendered for |
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54 this view. |
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55 """ |
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56 func._fmtopic = fmtopic |
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57 |
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58 showview = showcmdfunc() |
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59 |
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60 @command('show', [ |
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61 # TODO: Switch this template flag to use cmdutil.formatteropts if |
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62 # 'hg show' becomes stable before --template/-T is stable. For now, |
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63 # we are putting it here without the '(EXPERIMENTAL)' flag because it |
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64 # is an important part of the 'hg show' user experience and the entire |
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65 # 'hg show' experience is experimental. |
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66 ('T', 'template', '', ('display with template'), _('TEMPLATE')), |
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67 ], _('VIEW')) |
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68 def show(ui, repo, view=None, template=None): |
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69 """show various repository information |
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70 |
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71 A requested view of repository data is displayed. |
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72 |
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73 If no view is requested, the list of available views is shown and the |
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74 command aborts. |
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75 |
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76 .. note:: |
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77 |
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78 There are no backwards compatibility guarantees for the output of this |
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79 command. Output may change in any future Mercurial release. |
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80 |
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81 Consumers wanting stable command output should specify a template via |
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82 ``-T/--template``. |
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83 |
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84 List of available views: |
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85 """ |
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86 if ui.plain() and not template: |
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87 hint = _('invoke with -T/--template to control output format') |
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88 raise error.Abort(_('must specify a template in plain mode'), hint=hint) |
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89 |
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90 views = showview._table |
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91 |
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92 if not view: |
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93 ui.pager('show') |
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94 # TODO consider using formatter here so available views can be |
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95 # rendered to custom format. |
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96 ui.write(_('available views:\n')) |
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97 ui.write('\n') |
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98 |
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99 for name, func in sorted(views.items()): |
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100 ui.write(('%s\n') % func.__doc__) |
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101 |
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102 ui.write('\n') |
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103 raise error.Abort(_('no view requested'), |
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104 hint=_('use "hg show VIEW" to choose a view')) |
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105 |
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106 # TODO use same logic as dispatch to perform prefix matching. |
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107 if view not in views: |
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108 raise error.Abort(_('unknown view: %s') % view, |
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109 hint=_('run "hg show" to see available views')) |
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110 |
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111 template = template or 'show' |
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112 fmtopic = 'show%s' % views[view]._fmtopic |
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113 |
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114 ui.pager('show') |
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115 with ui.formatter(fmtopic, {'template': template}) as fm: |
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116 return views[view](ui, repo, fm) |
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117 |
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118 @showview('bookmarks', fmtopic='bookmarks') |
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119 def showbookmarks(ui, repo, fm): |
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120 """bookmarks and their associated changeset""" |
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121 marks = repo._bookmarks |
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122 if not len(marks): |
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123 # This is a bit hacky. Ideally, templates would have a way to |
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124 # specify an empty output, but we shouldn't corrupt JSON while |
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125 # waiting for this functionality. |
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126 if not isinstance(fm, formatter.jsonformatter): |
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127 ui.write(_('(no bookmarks set)\n')) |
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128 return |
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129 |
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130 active = repo._activebookmark |
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131 longestname = max(len(b) for b in marks) |
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132 # TODO consider exposing longest shortest(node). |
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133 |
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134 for bm, node in sorted(marks.items()): |
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135 fm.startitem() |
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136 fm.context(ctx=repo[node]) |
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137 fm.write('bookmark', '%s', bm) |
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138 fm.write('node', fm.hexfunc(node), fm.hexfunc(node)) |
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139 fm.data(active=bm == active, |
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140 longestbookmarklen=longestname) |
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141 |
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142 @revsetpredicate('_underway([commitage[, headage]])') |
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143 def underwayrevset(repo, subset, x): |
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144 args = revset.getargsdict(x, 'underway', 'commitage headage') |
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145 if 'commitage' not in args: |
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146 args['commitage'] = None |
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147 if 'headage' not in args: |
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148 args['headage'] = None |
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149 |
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150 # We assume callers of this revset add a topographical sort on the |
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151 # result. This means there is no benefit to making the revset lazy |
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152 # since the topographical sort needs to consume all revs. |
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153 # |
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154 # With this in mind, we build up the set manually instead of constructing |
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155 # a complex revset. This enables faster execution. |
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156 |
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157 # Mutable changesets (non-public) are the most important changesets |
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158 # to return. ``not public()`` will also pull in obsolete changesets if |
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159 # there is a non-obsolete changeset with obsolete ancestors. This is |
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160 # why we exclude obsolete changesets from this query. |
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161 rs = 'not public() and not obsolete()' |
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162 rsargs = [] |
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163 if args['commitage']: |
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164 rs += ' and date(%s)' |
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165 rsargs.append(revsetlang.getstring(args['commitage'], |
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166 _('commitage requires a string'))) |
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167 |
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168 mutable = repo.revs(rs, *rsargs) |
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169 relevant = revset.baseset(mutable) |
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170 |
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171 # Add parents of mutable changesets to provide context. |
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172 relevant += repo.revs('parents(%ld)', mutable) |
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173 |
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174 # We also pull in (public) heads if they a) aren't closing a branch |
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175 # b) are recent. |
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176 rs = 'head() and not closed()' |
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177 rsargs = [] |
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178 if args['headage']: |
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179 rs += ' and date(%s)' |
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180 rsargs.append(revsetlang.getstring(args['headage'], |
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181 _('headage requires a string'))) |
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182 |
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183 relevant += repo.revs(rs, *rsargs) |
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184 |
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185 # Add working directory parent. |
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186 wdirrev = repo['.'].rev() |
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187 if wdirrev != nullrev: |
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188 relevant += revset.baseset({wdirrev}) |
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189 |
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190 return subset & relevant |
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191 |
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192 @showview('work', fmtopic='work') |
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193 def showwork(ui, repo, fm): |
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194 """changesets that aren't finished""" |
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195 # TODO support date-based limiting when calling revset. |
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196 revs = repo.revs('sort(_underway(), topo)') |
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197 |
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198 revdag = graphmod.dagwalker(repo, revs) |
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199 displayer = cmdutil.changeset_templater(ui, repo, None, None, |
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200 tmpl=fm._t.load(fm._topic), |
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201 mapfile=None, buffered=True) |
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202 |
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203 ui.setconfig('experimental', 'graphshorten', True) |
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204 cmdutil.displaygraph(ui, repo, revdag, displayer, graphmod.asciiedges) |
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205 |
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206 # Adjust the docstring of the show command so it shows all registered views. |
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207 # This is a bit hacky because it runs at the end of module load. When moved |
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208 # into core or when another extension wants to provide a view, we'll need |
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209 # to do this more robustly. |
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210 # TODO make this more robust. |
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211 def _updatedocstring(): |
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212 longest = max(map(len, showview._table.keys())) |
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213 entries = [] |
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214 for key in sorted(showview._table.keys()): |
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215 entries.append(pycompat.sysstr(' %s %s' % ( |
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216 key.ljust(longest), showview._table[key]._origdoc))) |
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217 |
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218 cmdtable['show'][0].__doc__ = pycompat.sysstr('%s\n\n%s\n ') % ( |
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219 cmdtable['show'][0].__doc__.rstrip(), |
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220 pycompat.sysstr('\n\n').join(entries)) |
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221 |
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222 _updatedocstring() |