Mercurial > hg
annotate mercurial/bookmarks.py @ 15292:7fa471248185 stable
discovery: Fix error print mentioning a 'None' branch
When talking to old server discovery use heads of the 'None' branch to refer to
topological heads. This use of None should never make it to the end user.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
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date | Mon, 17 Oct 2011 11:37:59 +0200 |
parents | 7196ed7a1505 |
children | 2fad18f15409 |
rev | line source |
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1 # Mercurial bookmark support code |
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2 # |
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3 # Copyright 2008 David Soria Parra <dsp@php.net> |
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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 from mercurial.i18n import _ |
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9 from mercurial.node import hex |
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10 from mercurial import encoding, error, util |
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11 import errno, os |
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12 |
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13 def valid(mark): |
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14 for c in (':', '\0', '\n', '\r'): |
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15 if c in mark: |
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16 return False |
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17 return True |
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18 |
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19 def read(repo): |
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20 '''Parse .hg/bookmarks file and return a dictionary |
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21 |
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22 Bookmarks are stored as {HASH}\\s{NAME}\\n (localtags format) values |
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23 in the .hg/bookmarks file. |
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24 Read the file and return a (name=>nodeid) dictionary |
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25 ''' |
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26 bookmarks = {} |
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27 try: |
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28 for line in repo.opener('bookmarks'): |
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29 line = line.strip() |
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30 if not line: |
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31 continue |
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32 if ' ' not in line: |
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33 repo.ui.warn(_('malformed line in .hg/bookmarks: %r\n') % line) |
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34 continue |
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35 sha, refspec = line.split(' ', 1) |
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36 refspec = encoding.tolocal(refspec) |
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37 try: |
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38 bookmarks[refspec] = repo.changelog.lookup(sha) |
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39 except error.RepoLookupError: |
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40 pass |
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41 except IOError, inst: |
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42 if inst.errno != errno.ENOENT: |
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43 raise |
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44 return bookmarks |
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45 |
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46 def readcurrent(repo): |
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47 '''Get the current bookmark |
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48 |
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49 If we use gittishsh branches we have a current bookmark that |
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50 we are on. This function returns the name of the bookmark. It |
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51 is stored in .hg/bookmarks.current |
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52 ''' |
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53 mark = None |
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54 try: |
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55 file = repo.opener('bookmarks.current') |
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56 except IOError, inst: |
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57 if inst.errno != errno.ENOENT: |
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58 raise |
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59 return None |
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60 try: |
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61 # No readline() in posixfile_nt, reading everything is cheap |
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62 mark = encoding.tolocal((file.readlines() or [''])[0]) |
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63 if mark == '' or mark not in repo._bookmarks: |
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64 mark = None |
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65 finally: |
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66 file.close() |
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67 return mark |
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68 |
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69 def write(repo): |
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70 '''Write bookmarks |
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71 |
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72 Write the given bookmark => hash dictionary to the .hg/bookmarks file |
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73 in a format equal to those of localtags. |
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74 |
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75 We also store a backup of the previous state in undo.bookmarks that |
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76 can be copied back on rollback. |
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77 ''' |
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78 refs = repo._bookmarks |
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79 |
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80 if repo._bookmarkcurrent not in refs: |
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81 setcurrent(repo, None) |
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82 for mark in refs.keys(): |
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83 if not valid(mark): |
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84 raise util.Abort(_("bookmark '%s' contains illegal " |
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85 "character" % mark)) |
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86 |
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87 wlock = repo.wlock() |
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88 try: |
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89 |
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90 file = repo.opener('bookmarks', 'w', atomictemp=True) |
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91 for refspec, node in refs.iteritems(): |
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92 file.write("%s %s\n" % (hex(node), encoding.fromlocal(refspec))) |
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93 file.close() |
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94 |
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95 # touch 00changelog.i so hgweb reloads bookmarks (no lock needed) |
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96 try: |
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97 os.utime(repo.sjoin('00changelog.i'), None) |
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98 except OSError: |
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99 pass |
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100 |
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101 finally: |
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102 wlock.release() |
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103 |
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104 def setcurrent(repo, mark): |
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105 '''Set the name of the bookmark that we are currently on |
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106 |
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107 Set the name of the bookmark that we are on (hg update <bookmark>). |
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108 The name is recorded in .hg/bookmarks.current |
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109 ''' |
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110 current = repo._bookmarkcurrent |
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111 if current == mark: |
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112 return |
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113 |
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114 if mark not in repo._bookmarks: |
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115 mark = '' |
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116 if not valid(mark): |
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117 raise util.Abort(_("bookmark '%s' contains illegal " |
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118 "character" % mark)) |
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119 |
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120 wlock = repo.wlock() |
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121 try: |
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122 file = repo.opener('bookmarks.current', 'w', atomictemp=True) |
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123 file.write(encoding.fromlocal(mark)) |
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124 file.close() |
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125 finally: |
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126 wlock.release() |
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127 repo._bookmarkcurrent = mark |
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128 |
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129 def updatecurrentbookmark(repo, oldnode, curbranch): |
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130 try: |
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131 update(repo, oldnode, repo.branchtags()[curbranch]) |
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132 except KeyError: |
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133 if curbranch == "default": # no default branch! |
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134 update(repo, oldnode, repo.lookup("tip")) |
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135 else: |
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136 raise util.Abort(_("branch %s not found") % curbranch) |
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137 |
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138 def update(repo, parents, node): |
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139 marks = repo._bookmarks |
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140 update = False |
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141 mark = repo._bookmarkcurrent |
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142 if mark and marks[mark] in parents: |
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143 old = repo[marks[mark]] |
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144 new = repo[node] |
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145 if new in old.descendants(): |
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146 marks[mark] = new.node() |
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147 update = True |
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148 if update: |
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149 repo._writebookmarks(marks) |
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150 |
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151 def listbookmarks(repo): |
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152 # We may try to list bookmarks on a repo type that does not |
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153 # support it (e.g., statichttprepository). |
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154 marks = getattr(repo, '_bookmarks', {}) |
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155 |
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156 d = {} |
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157 for k, v in marks.iteritems(): |
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158 d[k] = hex(v) |
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159 return d |
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160 |
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161 def pushbookmark(repo, key, old, new): |
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162 w = repo.wlock() |
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163 try: |
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164 marks = repo._bookmarks |
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165 if hex(marks.get(key, '')) != old: |
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166 return False |
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167 if new == '': |
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168 del marks[key] |
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169 else: |
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170 if new not in repo: |
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171 return False |
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172 marks[key] = repo[new].node() |
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173 write(repo) |
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174 return True |
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175 finally: |
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176 w.release() |
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177 |
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178 def updatefromremote(ui, repo, remote): |
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179 ui.debug("checking for updated bookmarks\n") |
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180 rb = remote.listkeys('bookmarks') |
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181 changed = False |
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182 for k in rb.keys(): |
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183 if k in repo._bookmarks: |
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184 nr, nl = rb[k], repo._bookmarks[k] |
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185 if nr in repo: |
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186 cr = repo[nr] |
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187 cl = repo[nl] |
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188 if cl.rev() >= cr.rev(): |
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189 continue |
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190 if cr in cl.descendants(): |
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191 repo._bookmarks[k] = cr.node() |
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192 changed = True |
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193 ui.status(_("updating bookmark %s\n") % k) |
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194 else: |
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195 ui.warn(_("not updating divergent" |
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196 " bookmark %s\n") % k) |
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197 if changed: |
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198 write(repo) |
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199 |
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200 def diff(ui, repo, remote): |
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201 ui.status(_("searching for changed bookmarks\n")) |
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202 |
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203 lmarks = repo.listkeys('bookmarks') |
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204 rmarks = remote.listkeys('bookmarks') |
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205 |
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206 diff = sorted(set(rmarks) - set(lmarks)) |
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207 for k in diff: |
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208 ui.write(" %-25s %s\n" % (k, rmarks[k][:12])) |
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209 |
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210 if len(diff) <= 0: |
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211 ui.status(_("no changed bookmarks found\n")) |
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212 return 1 |
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213 return 0 |