Mercurial > public > mercurial-scm > hg

annotate hgext/show.py @ 35498:dfaf9f10e2e5

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show: use revlog function to compute length of the longest shortest node As the core part of shortest() was extracted at 448725a2ef73, we no logner need a templater.
author Yuya Nishihara <yuya@tcha.org>
date Mon, 25 Dec 2017 22:56:59 +0900
parents f1c54d003327
children c8e2d6ed1f9e
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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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 The following config options can influence operation.
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15
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16 ``commands``
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17 ------------
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18
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19 ``show.aliasprefix``
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20 List of strings that will register aliases for views. e.g. ``s`` will
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21 effectively set config options ``alias.s<view> = show <view>`` for all
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22 views. i.e. `hg swork` would execute `hg show work`.
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23
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24 Aliases that would conflict with existing registrations will not be
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25 performed.
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26 """
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27
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28 from __future__ import absolute_import
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29
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30 from mercurial.i18n import _
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31 from mercurial.node import (
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32 hex,
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33 nullrev,
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34 )
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35 from mercurial import (
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36 cmdutil,
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37 commands,
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38 destutil,
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39 error,
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40 formatter,
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41 graphmod,
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42 phases,
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43 pycompat,
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44 registrar,
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45 revset,
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46 revsetlang,
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47 )
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48
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49 # Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for
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50 # extensions which SHIP WITH MERCURIAL. Non-mainline extensions should
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51 # be specifying the version(s) of Mercurial they are tested with, or
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52 # leave the attribute unspecified.
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53 testedwith = 'ships-with-hg-core'
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54
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55 cmdtable = {}
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56 command = registrar.command(cmdtable)
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57
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58 revsetpredicate = registrar.revsetpredicate()
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59
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60 class showcmdfunc(registrar._funcregistrarbase):
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61 """Register a function to be invoked for an `hg show <thing>`."""
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62
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63 # Used by _formatdoc().
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64 _docformat = '%s -- %s'
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65
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66 def _extrasetup(self, name, func, fmtopic=None, csettopic=None):
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67 """Called with decorator arguments to register a show view.
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68
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69 ``name`` is the sub-command name.
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70
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71 ``func`` is the function being decorated.
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72
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73 ``fmtopic`` is the topic in the style that will be rendered for
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74 this view.
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75
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76 ``csettopic`` is the topic in the style to be used for a changeset
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77 printer.
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78
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79 If ``fmtopic`` is specified, the view function will receive a
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80 formatter instance. If ``csettopic`` is specified, the view
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81 function will receive a changeset printer.
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82 """
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83 func._fmtopic = fmtopic
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84 func._csettopic = csettopic
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85
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86 showview = showcmdfunc()
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87
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88 @command('show', [
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89 # TODO: Switch this template flag to use cmdutil.formatteropts if
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90 # 'hg show' becomes stable before --template/-T is stable. For now,
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91 # we are putting it here without the '(EXPERIMENTAL)' flag because it
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92 # is an important part of the 'hg show' user experience and the entire
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93 # 'hg show' experience is experimental.
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94 ('T', 'template', '', ('display with template'), _('TEMPLATE')),
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95 ], _('VIEW'))
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96 def show(ui, repo, view=None, template=None):
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97 """show various repository information
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98
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99 A requested view of repository data is displayed.
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100
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101 If no view is requested, the list of available views is shown and the
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102 command aborts.
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103
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104 .. note::
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105
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106 There are no backwards compatibility guarantees for the output of this
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107 command. Output may change in any future Mercurial release.
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108
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109 Consumers wanting stable command output should specify a template via
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110 ``-T/--template``.
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111
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112 List of available views:
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113 """
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114 if ui.plain() and not template:
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115 hint = _('invoke with -T/--template to control output format')
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116 raise error.Abort(_('must specify a template in plain mode'), hint=hint)
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117
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118 views = showview._table
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119
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120 if not view:
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121 ui.pager('show')
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122 # TODO consider using formatter here so available views can be
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123 # rendered to custom format.
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124 ui.write(_('available views:\n'))
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125 ui.write('\n')
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126
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127 for name, func in sorted(views.items()):
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128 ui.write(('%s\n') % func.__doc__)
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129
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130 ui.write('\n')
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131 raise error.Abort(_('no view requested'),
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132 hint=_('use "hg show VIEW" to choose a view'))
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133
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134 # TODO use same logic as dispatch to perform prefix matching.
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135 if view not in views:
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136 raise error.Abort(_('unknown view: %s') % view,
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137 hint=_('run "hg show" to see available views'))
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138
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139 template = template or 'show'
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140
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141 fn = views[view]
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142 ui.pager('show')
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143
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144 if fn._fmtopic:
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145 fmtopic = 'show%s' % fn._fmtopic
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146 with ui.formatter(fmtopic, {'template': template}) as fm:
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147 return fn(ui, repo, fm)
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148 elif fn._csettopic:
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149 ref = 'show%s' % fn._csettopic
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150 spec = formatter.lookuptemplate(ui, ref, template)
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151 displayer = cmdutil.changeset_templater(ui, repo, spec, buffered=True)
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152 return fn(ui, repo, displayer)
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153 else:
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154 return fn(ui, repo)
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155
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156 @showview('bookmarks', fmtopic='bookmarks')
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157 def showbookmarks(ui, repo, fm):
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158 """bookmarks and their associated changeset"""
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159 marks = repo._bookmarks
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160 if not len(marks):
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161 # This is a bit hacky. Ideally, templates would have a way to
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162 # specify an empty output, but we shouldn't corrupt JSON while
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163 # waiting for this functionality.
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164 if not isinstance(fm, formatter.jsonformatter):
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165 ui.write(_('(no bookmarks set)\n'))
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166 return
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167
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168 revs = [repo[node].rev() for node in marks.values()]
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169 active = repo._activebookmark
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170 longestname = max(len(b) for b in marks)
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171 nodelen = longestshortest(repo, revs)
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172
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173 for bm, node in sorted(marks.items()):
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174 fm.startitem()
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175 fm.context(ctx=repo[node])
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176 fm.write('bookmark', '%s', bm)
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177 fm.write('node', fm.hexfunc(node), fm.hexfunc(node))
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178 fm.data(active=bm == active,
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179 longestbookmarklen=longestname,
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180 nodelen=nodelen)
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181
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182 @showview('stack', csettopic='stack')
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183 def showstack(ui, repo, displayer):
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184 """current line of work"""
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185 wdirctx = repo['.']
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186 if wdirctx.rev() == nullrev:
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187 raise error.Abort(_('stack view only available when there is a '
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188 'working directory'))
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189
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190 if wdirctx.phase() == phases.public:
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191 ui.write(_('(empty stack; working directory parent is a published '
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192 'changeset)\n'))
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193 return
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194
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195 # TODO extract "find stack" into a function to facilitate
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196 # customization and reuse.
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197
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198 baserev = destutil.stackbase(ui, repo)
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199 basectx = None
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200
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201 if baserev is None:
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202 baserev = wdirctx.rev()
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203 stackrevs = {wdirctx.rev()}
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204 else:
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205 stackrevs = set(repo.revs('%d::.', baserev))
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206
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207 ctx = repo[baserev]
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208 if ctx.p1().rev() != nullrev:
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209 basectx = ctx.p1()
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210
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211 # And relevant descendants.
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212 branchpointattip = False
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213 cl = repo.changelog
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214
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215 for rev in cl.descendants([wdirctx.rev()]):
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216 ctx = repo[rev]
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217
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218 # Will only happen if . is public.
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219 if ctx.phase() == phases.public:
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220 break
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221
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222 stackrevs.add(ctx.rev())
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223
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224 # ctx.children() within a function iterating on descandants
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225 # potentially has severe performance concerns because revlog.children()
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226 # iterates over all revisions after ctx's node. However, the number of
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227 # draft changesets should be a reasonably small number. So even if
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228 # this is quadratic, the perf impact should be minimal.
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229 if len(ctx.children()) > 1:
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230 branchpointattip = True
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231 break
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232
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233 stackrevs = list(sorted(stackrevs, reverse=True))
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234
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235 # Find likely target heads for the current stack. These are likely
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236 # merge or rebase targets.
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237 if basectx:
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238 # TODO make this customizable?
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239 newheads = set(repo.revs('heads(%d::) - %ld - not public()',
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240 basectx.rev(), stackrevs))
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241 else:
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242 newheads = set()
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243
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244 allrevs = set(stackrevs) | newheads | set([baserev])
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245 nodelen = longestshortest(repo, allrevs)
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246
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247 try:
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248 cmdutil.findcmd('rebase', commands.table)
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249 haverebase = True
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250 except (error.AmbiguousCommand, error.UnknownCommand):
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251 haverebase = False
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252
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253 # TODO use templating.
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254 # TODO consider using graphmod. But it may not be necessary given
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255 # our simplicity and the customizations required.
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256 # TODO use proper graph symbols from graphmod
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257
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258 tres = formatter.templateresources(ui, repo)
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259 shortesttmpl = formatter.maketemplater(ui, '{shortest(node, %d)}' % nodelen,
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260 resources=tres)
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261 def shortest(ctx):
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262 return shortesttmpl.render({'ctx': ctx, 'node': ctx.hex()})
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263
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264 # We write out new heads to aid in DAG awareness and to help with decision
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265 # making on how the stack should be reconciled with commits made since the
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266 # branch point.
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267 if newheads:
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268 # Calculate distance from base so we can render the count and so we can
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269 # sort display order by commit distance.
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270 revdistance = {}
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271 for head in newheads:
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272 # There is some redundancy in DAG traversal here and therefore
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273 # room to optimize.
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274 ancestors = cl.ancestors([head], stoprev=basectx.rev())
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275 revdistance[head] = len(list(ancestors))
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276
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277 sourcectx = repo[stackrevs[-1]]
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278
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279 sortedheads = sorted(newheads, key=lambda x: revdistance[x],
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280 reverse=True)
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281
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282 for i, rev in enumerate(sortedheads):
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283 ctx = repo[rev]
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284
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285 if i:
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286 ui.write(': ')
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287 else:
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288 ui.write(' ')
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diff changeset
289
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diff changeset
290 ui.write(('o '))
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291 displayer.show(ctx, nodelen=nodelen)
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diff changeset
292 displayer.flush(ctx)
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diff changeset
293 ui.write('\n')
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diff changeset
294
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diff changeset
295 if i:
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296 ui.write(':/')
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diff changeset
297 else:
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diff changeset
298 ui.write(' /')
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diff changeset
299
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diff changeset
300 ui.write(' (')
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diff changeset
301 ui.write(_('%d commits ahead') % revdistance[rev],
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diff changeset
302 label='stack.commitdistance')
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diff changeset
303
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
304 if haverebase:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
305 # TODO may be able to omit --source in some scenarios
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diff changeset
306 ui.write('; ')
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
307 ui.write(('hg rebase --source %s --dest %s' % (
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
308 shortest(sourcectx), shortest(ctx))),
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
309 label='stack.rebasehint')
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diff changeset
310
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diff changeset
311 ui.write(')\n')
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diff changeset
312
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diff changeset
313 ui.write(':\n: ')
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diff changeset
314 ui.write(_('(stack head)\n'), label='stack.label')
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diff changeset
315
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
316 if branchpointattip:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
317 ui.write(' \\ / ')
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diff changeset
318 ui.write(_('(multiple children)\n'), label='stack.label')
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diff changeset
319 ui.write(' |\n')
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320
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diff changeset
321 for rev in stackrevs:
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diff changeset
322 ctx = repo[rev]
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diff changeset
323 symbol = '@' if rev == wdirctx.rev() else 'o'
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diff changeset
324
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diff changeset
325 if newheads:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
326 ui.write(': ')
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diff changeset
327 else:
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diff changeset
328 ui.write(' ')
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diff changeset
329
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diff changeset
330 ui.write(symbol, ' ')
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diff changeset
331 displayer.show(ctx, nodelen=nodelen)
33197
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diff changeset
332 displayer.flush(ctx)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
333 ui.write('\n')
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
334
c5a07a3abe7d show: implement "stack" view
Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
335 # TODO display histedit hint?
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
336
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
337 if basectx:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
338 # Vertically and horizontally separate stack base from parent
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
339 # to reinforce stack boundary.
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
340 if newheads:
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
341 ui.write(':/ ')
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
342 else:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33137
diff changeset
343 ui.write(' / ')
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
344
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diff changeset
345 ui.write(_('(stack base)'), '\n', label='stack.label')
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
346 ui.write(('o '))
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
347
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diff changeset
348 displayer.show(basectx, nodelen=nodelen)
33197
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diff changeset
349 displayer.flush(basectx)
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diff changeset
350 ui.write('\n')
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diff changeset
351
31944
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diff changeset
352 @revsetpredicate('_underway([commitage[, headage]])')
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diff changeset
353 def underwayrevset(repo, subset, x):
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diff changeset
354 args = revset.getargsdict(x, 'underway', 'commitage headage')
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diff changeset
355 if 'commitage' not in args:
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diff changeset
356 args['commitage'] = None
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diff changeset
357 if 'headage' not in args:
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358 args['headage'] = None
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diff changeset
359
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diff changeset
360 # We assume callers of this revset add a topographical sort on the
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
361 # result. This means there is no benefit to making the revset lazy
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
362 # since the topographical sort needs to consume all revs.
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
363 #
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diff changeset
364 # With this in mind, we build up the set manually instead of constructing
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
365 # a complex revset. This enables faster execution.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
366
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diff changeset
367 # Mutable changesets (non-public) are the most important changesets
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diff changeset
368 # to return. ``not public()`` will also pull in obsolete changesets if
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
369 # there is a non-obsolete changeset with obsolete ancestors. This is
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
370 # why we exclude obsolete changesets from this query.
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
371 rs = 'not public() and not obsolete()'
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diff changeset
372 rsargs = []
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diff changeset
373 if args['commitage']:
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diff changeset
374 rs += ' and date(%s)'
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
375 rsargs.append(revsetlang.getstring(args['commitage'],
99bc93147d87 show: implement underway view
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
376 _('commitage requires a string')))
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
377
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
378 mutable = repo.revs(rs, *rsargs)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
379 relevant = revset.baseset(mutable)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
380
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
381 # Add parents of mutable changesets to provide context.
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diff changeset
382 relevant += repo.revs('parents(%ld)', mutable)
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parents: 31943
diff changeset
383
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
384 # We also pull in (public) heads if they a) aren't closing a branch
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
385 # b) are recent.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
386 rs = 'head() and not closed()'
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
387 rsargs = []
99bc93147d87 show: implement underway view
Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
388 if args['headage']:
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
389 rs += ' and date(%s)'
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
390 rsargs.append(revsetlang.getstring(args['headage'],
99bc93147d87 show: implement underway view
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
391 _('headage requires a string')))
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
392
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
393 relevant += repo.revs(rs, *rsargs)
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
394
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
395 # Add working directory parent.
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
396 wdirrev = repo['.'].rev()
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
397 if wdirrev != nullrev:
32291
bd872f64a8ba cleanup: use set literals
Martin von Zweigbergk <martinvonz@google.com>
parents: 32058
diff changeset
398 relevant += revset.baseset({wdirrev})
31944
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
399
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
400 return subset & relevant
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
401
33046
11f768258dcc show: construct changeset templater during dispatch
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32837
diff changeset
402 @showview('work', csettopic='work')
11f768258dcc show: construct changeset templater during dispatch
Gregory Szorc <gregory.szorc@gmail.com>
parents: 32837
diff changeset
403 def showwork(ui, repo, displayer):
31944
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parents: 31943
diff changeset
404 """changesets that aren't finished"""
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
405 # TODO support date-based limiting when calling revset.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
406 revs = repo.revs('sort(_underway(), topo)')
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
407 nodelen = longestshortest(repo, revs)
31944
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
408
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
409 revdag = graphmod.dagwalker(repo, revs)
99bc93147d87 show: implement underway view
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
410
99bc93147d87 show: implement underway view
Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
411 ui.setconfig('experimental', 'graphshorten', True)
34190
4441c1113eb2 show: pass the minimum length for nodes as a template keyword
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33211
diff changeset
412 cmdutil.displaygraph(ui, repo, revdag, displayer, graphmod.asciiedges,
34191
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Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
413 props={'nodelen': nodelen})
31944
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31943
diff changeset
414
33137
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
415 def extsetup(ui):
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
416 # Alias `hg <prefix><view>` to `hg show <view>`.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
417 for prefix in ui.configlist('commands', 'show.aliasprefix'):
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
418 for view in showview._table:
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
419 name = '%s%s' % (prefix, view)
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
420
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
421 choice, allcommands = cmdutil.findpossible(name, commands.table,
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
422 strict=True)
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
423
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
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diff changeset
424 # This alias is already a command name. Don't set it.
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
425 if name in choice:
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
426 continue
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
427
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
428 # Same for aliases.
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
429 if ui.config('alias', name):
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
430 continue
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
431
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
432 ui.setconfig('alias', name, 'show %s' % view, source='show')
99ce2f586cd4 show: config option to register aliases for views
Gregory Szorc <gregory.szorc@gmail.com>
parents: 33046
diff changeset
433
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434 def longestshortest(repo, revs, minlen=4):
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435 """Return the length of the longest shortest node to identify revisions.
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436
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437 The result of this function can be used with the ``shortest()`` template
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438 function to ensure that a value is unique and unambiguous for a given
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439 set of nodes.
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440
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441 The number of revisions in the repo is taken into account to prevent
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442 a numeric node prefix from conflicting with an integer revision number.
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443 If we fail to do this, a value of e.g. ``10023`` could mean either
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444 revision 10023 or node ``10023abc...``.
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445 """
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446 if not revs:
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447 return minlen
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448 # don't use filtered repo because it's slow. see templater.shortest().
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449 cl = repo.unfiltered().changelog
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450 return max(len(cl.shortest(hex(cl.node(r)), minlen)) for r in revs)
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451
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452 # Adjust the docstring of the show command so it shows all registered views.
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453 # This is a bit hacky because it runs at the end of module load. When moved
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454 # into core or when another extension wants to provide a view, we'll need
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455 # to do this more robustly.
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456 # TODO make this more robust.
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457 def _updatedocstring():
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458 longest = max(map(len, showview._table.keys()))
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Gregory Szorc <gregory.szorc@gmail.com>
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459 entries = []
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31859
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460 for key in sorted(showview._table.keys()):
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parents: 31859
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461 entries.append(pycompat.sysstr(' %s %s' % (
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parents: 31859
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462 key.ljust(longest), showview._table[key]._origdoc)))
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parents: 31859
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463
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parents: 31859
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464 cmdtable['show'][0].__doc__ = pycompat.sysstr('%s\n\n%s\n ') % (
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31859
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465 cmdtable['show'][0].__doc__.rstrip(),
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Gregory Szorc <gregory.szorc@gmail.com>
parents: 31859
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466 pycompat.sysstr('\n\n').join(entries))
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parents: 31859
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467
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468 _updatedocstring()