Mercurial > hg
annotate hgext/histedit.py @ 19018:730614b9b352
histedit: allow "-" as a command file
When "-" is specified as a command file, we read rules from stdin. Alter a
single test to demo the behavior, but most of them could benefit from this.
There is minor change in test output resulting from the fact we no
longer change log messages.
author | Pierre-Yves David <pierre-yves.david@logilab.fr> |
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date | Tue, 16 Apr 2013 20:48:37 +0200 |
parents | c5c8613f265e |
children | 12c06686d371 |
rev | line source |
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1 # histedit.py - interactive history editing for mercurial |
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2 # |
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3 # Copyright 2009 Augie Fackler <raf@durin42.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 """interactive history editing |
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8 |
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9 With this extension installed, Mercurial gains one new command: histedit. Usage |
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10 is as follows, assuming the following history:: |
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11 |
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12 @ 3[tip] 7c2fd3b9020c 2009-04-27 18:04 -0500 durin42 |
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13 | Add delta |
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14 | |
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15 o 2 030b686bedc4 2009-04-27 18:04 -0500 durin42 |
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16 | Add gamma |
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17 | |
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18 o 1 c561b4e977df 2009-04-27 18:04 -0500 durin42 |
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19 | Add beta |
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20 | |
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21 o 0 d8d2fcd0e319 2009-04-27 18:04 -0500 durin42 |
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22 Add alpha |
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23 |
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24 If you were to run ``hg histedit c561b4e977df``, you would see the following |
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25 file open in your editor:: |
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26 |
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27 pick c561b4e977df Add beta |
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28 pick 030b686bedc4 Add gamma |
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29 pick 7c2fd3b9020c Add delta |
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30 |
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31 # Edit history between c561b4e977df and 7c2fd3b9020c |
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32 # |
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33 # Commands: |
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34 # p, pick = use commit |
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35 # e, edit = use commit, but stop for amending |
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36 # f, fold = use commit, but fold into previous commit (combines N and N-1) |
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37 # d, drop = remove commit from history |
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38 # m, mess = edit message without changing commit content |
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39 # |
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40 |
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41 In this file, lines beginning with ``#`` are ignored. You must specify a rule |
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42 for each revision in your history. For example, if you had meant to add gamma |
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43 before beta, and then wanted to add delta in the same revision as beta, you |
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44 would reorganize the file to look like this:: |
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45 |
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46 pick 030b686bedc4 Add gamma |
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47 pick c561b4e977df Add beta |
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48 fold 7c2fd3b9020c Add delta |
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49 |
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50 # Edit history between c561b4e977df and 7c2fd3b9020c |
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51 # |
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52 # Commands: |
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53 # p, pick = use commit |
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54 # e, edit = use commit, but stop for amending |
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55 # f, fold = use commit, but fold into previous commit (combines N and N-1) |
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56 # d, drop = remove commit from history |
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57 # m, mess = edit message without changing commit content |
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58 # |
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59 |
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60 At which point you close the editor and ``histedit`` starts working. When you |
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61 specify a ``fold`` operation, ``histedit`` will open an editor when it folds |
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62 those revisions together, offering you a chance to clean up the commit message:: |
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63 |
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64 Add beta |
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65 *** |
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66 Add delta |
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67 |
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68 Edit the commit message to your liking, then close the editor. For |
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69 this example, let's assume that the commit message was changed to |
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70 ``Add beta and delta.`` After histedit has run and had a chance to |
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71 remove any old or temporary revisions it needed, the history looks |
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72 like this:: |
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73 |
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74 @ 2[tip] 989b4d060121 2009-04-27 18:04 -0500 durin42 |
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75 | Add beta and delta. |
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76 | |
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77 o 1 081603921c3f 2009-04-27 18:04 -0500 durin42 |
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78 | Add gamma |
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79 | |
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80 o 0 d8d2fcd0e319 2009-04-27 18:04 -0500 durin42 |
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81 Add alpha |
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82 |
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83 Note that ``histedit`` does *not* remove any revisions (even its own temporary |
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84 ones) until after it has completed all the editing operations, so it will |
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85 probably perform several strip operations when it's done. For the above example, |
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86 it had to run strip twice. Strip can be slow depending on a variety of factors, |
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87 so you might need to be a little patient. You can choose to keep the original |
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88 revisions by passing the ``--keep`` flag. |
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89 |
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90 The ``edit`` operation will drop you back to a command prompt, |
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91 allowing you to edit files freely, or even use ``hg record`` to commit |
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92 some changes as a separate commit. When you're done, any remaining |
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93 uncommitted changes will be committed as well. When done, run ``hg |
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94 histedit --continue`` to finish this step. You'll be prompted for a |
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95 new commit message, but the default commit message will be the |
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96 original message for the ``edit`` ed revision. |
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97 |
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98 The ``message`` operation will give you a chance to revise a commit |
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99 message without changing the contents. It's a shortcut for doing |
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100 ``edit`` immediately followed by `hg histedit --continue``. |
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101 |
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102 If ``histedit`` encounters a conflict when moving a revision (while |
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103 handling ``pick`` or ``fold``), it'll stop in a similar manner to |
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104 ``edit`` with the difference that it won't prompt you for a commit |
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105 message when done. If you decide at this point that you don't like how |
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106 much work it will be to rearrange history, or that you made a mistake, |
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107 you can use ``hg histedit --abort`` to abandon the new changes you |
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108 have made and return to the state before you attempted to edit your |
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109 history. |
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110 |
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111 If we clone the histedit-ed example repository above and add four more |
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112 changes, such that we have the following history:: |
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113 |
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114 @ 6[tip] 038383181893 2009-04-27 18:04 -0500 stefan |
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115 | Add theta |
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116 | |
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117 o 5 140988835471 2009-04-27 18:04 -0500 stefan |
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118 | Add eta |
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119 | |
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120 o 4 122930637314 2009-04-27 18:04 -0500 stefan |
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121 | Add zeta |
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122 | |
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123 o 3 836302820282 2009-04-27 18:04 -0500 stefan |
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124 | Add epsilon |
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125 | |
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126 o 2 989b4d060121 2009-04-27 18:04 -0500 durin42 |
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127 | Add beta and delta. |
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128 | |
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129 o 1 081603921c3f 2009-04-27 18:04 -0500 durin42 |
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130 | Add gamma |
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131 | |
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132 o 0 d8d2fcd0e319 2009-04-27 18:04 -0500 durin42 |
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133 Add alpha |
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134 |
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135 If you run ``hg histedit --outgoing`` on the clone then it is the same |
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136 as running ``hg histedit 836302820282``. If you need plan to push to a |
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137 repository that Mercurial does not detect to be related to the source |
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138 repo, you can add a ``--force`` option. |
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139 """ |
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140 |
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141 try: |
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142 import cPickle as pickle |
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143 except ImportError: |
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144 import pickle |
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145 import os |
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146 import sys |
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147 |
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148 from mercurial import cmdutil |
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149 from mercurial import discovery |
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150 from mercurial import error |
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151 from mercurial import copies |
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152 from mercurial import context |
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153 from mercurial import hg |
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154 from mercurial import lock as lockmod |
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155 from mercurial import node |
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156 from mercurial import repair |
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157 from mercurial import scmutil |
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158 from mercurial import util |
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159 from mercurial import obsolete |
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160 from mercurial import merge as mergemod |
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161 from mercurial.i18n import _ |
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162 |
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163 cmdtable = {} |
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164 command = cmdutil.command(cmdtable) |
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165 |
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166 testedwith = 'internal' |
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167 |
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168 # i18n: command names and abbreviations must remain untranslated |
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169 editcomment = _("""# Edit history between %s and %s |
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170 # |
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171 # Commands: |
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172 # p, pick = use commit |
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173 # e, edit = use commit, but stop for amending |
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174 # f, fold = use commit, but fold into previous commit (combines N and N-1) |
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175 # d, drop = remove commit from history |
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176 # m, mess = edit message without changing commit content |
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177 # |
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178 """) |
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179 |
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180 def commitfuncfor(repo, src): |
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181 """Build a commit function for the replacement of <src> |
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182 |
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183 This function ensure we apply the same treatment to all changesets. |
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184 |
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185 - Add a 'histedit_source' entry in extra. |
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186 |
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187 Note that fold have its own separated logic because its handling is a bit |
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188 different and not easily factored out of the fold method. |
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189 """ |
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190 phasemin = src.phase() |
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191 def commitfunc(**kwargs): |
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192 phasebackup = repo.ui.backupconfig('phases', 'new-commit') |
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193 try: |
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194 repo.ui.setconfig('phases', 'new-commit', phasemin) |
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195 extra = kwargs.get('extra', {}).copy() |
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196 extra['histedit_source'] = src.hex() |
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197 kwargs['extra'] = extra |
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198 return repo.commit(**kwargs) |
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199 finally: |
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200 repo.ui.restoreconfig(phasebackup) |
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201 return commitfunc |
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202 |
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203 |
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204 |
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205 def applychanges(ui, repo, ctx, opts): |
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206 """Merge changeset from ctx (only) in the current working directory""" |
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207 wcpar = repo.dirstate.parents()[0] |
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208 if ctx.p1().node() == wcpar: |
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209 # edition ar "in place" we do not need to make any merge, |
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210 # just applies changes on parent for edition |
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211 cmdutil.revert(ui, repo, ctx, (wcpar, node.nullid), all=True) |
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212 stats = None |
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213 else: |
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214 try: |
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215 # ui.forcemerge is an internal variable, do not document |
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216 repo.ui.setconfig('ui', 'forcemerge', opts.get('tool', '')) |
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217 stats = mergemod.update(repo, ctx.node(), True, True, False, |
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218 ctx.p1().node()) |
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219 finally: |
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220 repo.ui.setconfig('ui', 'forcemerge', '') |
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221 repo.setparents(wcpar, node.nullid) |
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222 repo.dirstate.write() |
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223 # fix up dirstate for copies and renames |
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224 cmdutil.duplicatecopies(repo, ctx.rev(), ctx.p1().rev()) |
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225 return stats |
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226 |
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227 def collapse(repo, first, last, commitopts): |
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228 """collapse the set of revisions from first to last as new one. |
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229 |
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230 Expected commit options are: |
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231 - message |
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232 - date |
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233 - username |
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234 Commit message is edited in all cases. |
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235 |
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236 This function works in memory.""" |
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237 ctxs = list(repo.set('%d::%d', first, last)) |
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238 if not ctxs: |
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239 return None |
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240 base = first.parents()[0] |
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241 |
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242 # commit a new version of the old changeset, including the update |
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243 # collect all files which might be affected |
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244 files = set() |
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245 for ctx in ctxs: |
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246 files.update(ctx.files()) |
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247 |
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248 # Recompute copies (avoid recording a -> b -> a) |
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249 copied = copies.pathcopies(first, last) |
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250 |
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251 # prune files which were reverted by the updates |
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252 def samefile(f): |
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253 if f in last.manifest(): |
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254 a = last.filectx(f) |
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255 if f in base.manifest(): |
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256 b = base.filectx(f) |
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257 return (a.data() == b.data() |
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258 and a.flags() == b.flags()) |
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259 else: |
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260 return False |
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261 else: |
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262 return f not in base.manifest() |
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263 files = [f for f in files if not samefile(f)] |
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264 # commit version of these files as defined by head |
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265 headmf = last.manifest() |
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266 def filectxfn(repo, ctx, path): |
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267 if path in headmf: |
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268 fctx = last[path] |
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269 flags = fctx.flags() |
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270 mctx = context.memfilectx(fctx.path(), fctx.data(), |
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271 islink='l' in flags, |
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272 isexec='x' in flags, |
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273 copied=copied.get(path)) |
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274 return mctx |
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275 raise IOError() |
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276 |
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277 if commitopts.get('message'): |
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278 message = commitopts['message'] |
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279 else: |
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280 message = first.description() |
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281 user = commitopts.get('user') |
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282 date = commitopts.get('date') |
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283 extra = commitopts.get('extra') |
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284 |
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285 parents = (first.p1().node(), first.p2().node()) |
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286 new = context.memctx(repo, |
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287 parents=parents, |
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288 text=message, |
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289 files=files, |
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290 filectxfn=filectxfn, |
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291 user=user, |
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292 date=date, |
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293 extra=extra) |
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294 new._text = cmdutil.commitforceeditor(repo, new, []) |
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295 return repo.commitctx(new) |
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296 |
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297 def pick(ui, repo, ctx, ha, opts): |
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298 oldctx = repo[ha] |
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299 if oldctx.parents()[0] == ctx: |
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300 ui.debug('node %s unchanged\n' % ha) |
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301 return oldctx, [] |
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302 hg.update(repo, ctx.node()) |
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303 stats = applychanges(ui, repo, oldctx, opts) |
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304 if stats and stats[3] > 0: |
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305 raise error.InterventionRequired(_('Fix up the change and run ' |
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306 'hg histedit --continue')) |
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307 # drop the second merge parent |
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308 commit = commitfuncfor(repo, oldctx) |
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309 n = commit(text=oldctx.description(), user=oldctx.user(), |
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310 date=oldctx.date(), extra=oldctx.extra()) |
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311 if n is None: |
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312 ui.warn(_('%s: empty changeset\n') |
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313 % node.hex(ha)) |
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314 return ctx, [] |
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315 new = repo[n] |
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316 return new, [(oldctx.node(), (n,))] |
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317 |
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318 |
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319 def edit(ui, repo, ctx, ha, opts): |
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320 oldctx = repo[ha] |
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321 hg.update(repo, ctx.node()) |
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322 applychanges(ui, repo, oldctx, opts) |
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323 raise error.InterventionRequired( |
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324 _('Make changes as needed, you may commit or record as needed now.\n' |
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325 'When you are finished, run hg histedit --continue to resume.')) |
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326 |
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327 def fold(ui, repo, ctx, ha, opts): |
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328 oldctx = repo[ha] |
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329 hg.update(repo, ctx.node()) |
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330 stats = applychanges(ui, repo, oldctx, opts) |
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331 if stats and stats[3] > 0: |
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332 raise error.InterventionRequired( |
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333 _('Fix up the change and run hg histedit --continue')) |
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334 n = repo.commit(text='fold-temp-revision %s' % ha, user=oldctx.user(), |
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335 date=oldctx.date(), extra=oldctx.extra()) |
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336 if n is None: |
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337 ui.warn(_('%s: empty changeset') |
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338 % node.hex(ha)) |
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339 return ctx, [] |
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340 return finishfold(ui, repo, ctx, oldctx, n, opts, []) |
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341 |
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342 def finishfold(ui, repo, ctx, oldctx, newnode, opts, internalchanges): |
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343 parent = ctx.parents()[0].node() |
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344 hg.update(repo, parent) |
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345 ### prepare new commit data |
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346 commitopts = opts.copy() |
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347 # username |
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348 if ctx.user() == oldctx.user(): |
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349 username = ctx.user() |
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350 else: |
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351 username = ui.username() |
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352 commitopts['user'] = username |
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353 # commit message |
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354 newmessage = '\n***\n'.join( |
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355 [ctx.description()] + |
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356 [repo[r].description() for r in internalchanges] + |
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357 [oldctx.description()]) + '\n' |
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358 commitopts['message'] = newmessage |
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359 # date |
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360 commitopts['date'] = max(ctx.date(), oldctx.date()) |
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361 extra = ctx.extra().copy() |
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362 # histedit_source |
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363 # note: ctx is likely a temporary commit but that the best we can do here |
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364 # This is sufficient to solve issue3681 anyway |
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365 extra['histedit_source'] = '%s,%s' % (ctx.hex(), oldctx.hex()) |
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366 commitopts['extra'] = extra |
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367 phasebackup = repo.ui.backupconfig('phases', 'new-commit') |
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368 try: |
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369 phasemin = max(ctx.phase(), oldctx.phase()) |
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370 repo.ui.setconfig('phases', 'new-commit', phasemin) |
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371 n = collapse(repo, ctx, repo[newnode], commitopts) |
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372 finally: |
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373 repo.ui.restoreconfig(phasebackup) |
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374 if n is None: |
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375 return ctx, [] |
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376 hg.update(repo, n) |
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377 replacements = [(oldctx.node(), (newnode,)), |
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378 (ctx.node(), (n,)), |
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379 (newnode, (n,)), |
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380 ] |
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381 for ich in internalchanges: |
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382 replacements.append((ich, (n,))) |
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383 return repo[n], replacements |
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384 |
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385 def drop(ui, repo, ctx, ha, opts): |
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386 return ctx, [(repo[ha].node(), ())] |
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387 |
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388 |
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389 def message(ui, repo, ctx, ha, opts): |
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390 oldctx = repo[ha] |
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391 hg.update(repo, ctx.node()) |
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392 stats = applychanges(ui, repo, oldctx, opts) |
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393 if stats and stats[3] > 0: |
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394 raise error.InterventionRequired( |
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395 _('Fix up the change and run hg histedit --continue')) |
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396 message = oldctx.description() + '\n' |
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397 message = ui.edit(message, ui.username()) |
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398 commit = commitfuncfor(repo, oldctx) |
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399 new = commit(text=message, user=oldctx.user(), date=oldctx.date(), |
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400 extra=oldctx.extra()) |
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401 newctx = repo[new] |
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402 if oldctx.node() != newctx.node(): |
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403 return newctx, [(oldctx.node(), (new,))] |
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404 # We didn't make an edit, so just indicate no replaced nodes |
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405 return newctx, [] |
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406 |
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407 actiontable = {'p': pick, |
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408 'pick': pick, |
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409 'e': edit, |
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410 'edit': edit, |
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411 'f': fold, |
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412 'fold': fold, |
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413 'd': drop, |
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414 'drop': drop, |
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415 'm': message, |
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416 'mess': message, |
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417 } |
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418 |
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419 @command('histedit', |
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420 [('', 'commands', '', |
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421 _('Read history edits from the specified file.')), |
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422 ('c', 'continue', False, _('continue an edit already in progress')), |
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423 ('k', 'keep', False, |
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424 _("don't strip old nodes after edit is complete")), |
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425 ('', 'abort', False, _('abort an edit in progress')), |
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426 ('o', 'outgoing', False, _('changesets not found in destination')), |
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427 ('f', 'force', False, |
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428 _('force outgoing even for unrelated repositories')), |
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429 ('r', 'rev', [], _('first revision to be edited'))], |
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430 _("[PARENT]")) |
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431 def histedit(ui, repo, *parent, **opts): |
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432 """interactively edit changeset history |
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433 """ |
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434 # TODO only abort if we try and histedit mq patches, not just |
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435 # blanket if mq patches are applied somewhere |
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436 mq = getattr(repo, 'mq', None) |
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437 if mq and mq.applied: |
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438 raise util.Abort(_('source has mq patches applied')) |
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439 |
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440 parent = list(parent) + opts.get('rev', []) |
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441 if opts.get('outgoing'): |
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442 if len(parent) > 1: |
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443 raise util.Abort( |
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444 _('only one repo argument allowed with --outgoing')) |
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445 elif parent: |
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446 parent = parent[0] |
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447 |
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448 dest = ui.expandpath(parent or 'default-push', parent or 'default') |
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parents:
diff
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|
449 dest, revs = hg.parseurl(dest, None)[:2] |
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450 ui.status(_('comparing with %s\n') % util.hidepassword(dest)) |
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451 |
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parents:
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452 revs, checkout = hg.addbranchrevs(repo, repo, revs, None) |
17191
5884812686f7
peer: introduce peer methods to prepare for peer classes
Sune Foldager <cryo@cyanite.org>
parents:
17147
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|
453 other = hg.peer(repo, opts, dest) |
17064
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parents:
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|
454 |
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parents:
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455 if revs: |
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parents:
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456 revs = [repo.lookup(rev) for rev in revs] |
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parents:
diff
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|
457 |
18507
c795c9f87792
histedit: prevent parent guessed via --outgoing from being a revset (issue3770)
Augie Fackler <raf@durin42.com>
parents:
18440
diff
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|
458 # hexlify nodes from outgoing, because we're going to parse |
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parents:
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459 # parent[0] using revsingle below, and if the binary hash |
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parents:
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460 # contains special revset characters like ":" the revset |
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461 # parser can choke. |
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parents:
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diff
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|
462 parent = [node.hex(n) for n in discovery.findcommonoutgoing( |
18995
0023a6e49268
histedit: make "hg histedit" sensitive to branch in URL
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
18934
diff
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|
463 repo, other, revs, force=opts.get('force')).missing[0:1]] |
17064
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parents:
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464 else: |
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465 if opts.get('force'): |
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parents:
diff
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466 raise util.Abort(_('--force only allowed with --outgoing')) |
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parents:
diff
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|
467 |
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parents:
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468 if opts.get('continue', False): |
168cc52ad7c2
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parents:
diff
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469 if len(parent) != 0: |
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parents:
diff
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470 raise util.Abort(_('no arguments allowed with --continue')) |
17758
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histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17757
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471 (parentctxnode, rules, keep, topmost, replacements) = readstate(repo) |
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472 currentparent, wantnull = repo.dirstate.parents() |
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473 parentctx = repo[parentctxnode] |
17758
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474 parentctx, repl = bootstrapcontinue(ui, repo, parentctx, rules, opts) |
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475 replacements.extend(repl) |
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476 elif opts.get('abort', False): |
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477 if len(parent) != 0: |
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478 raise util.Abort(_('no arguments allowed with --abort')) |
17758
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479 (parentctxnode, rules, keep, topmost, replacements) = readstate(repo) |
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480 mapping, tmpnodes, leafs, _ntm = processreplacement(repo, replacements) |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
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481 ui.debug('restore wc to old parent %s\n' % node.short(topmost)) |
b65533958b85
histedit: rename `tip` to `topmost`
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482 hg.clean(repo, topmost) |
17758
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|
483 cleanupnode(ui, repo, 'created', tmpnodes) |
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484 cleanupnode(ui, repo, 'temp', leafs) |
17064
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485 os.unlink(os.path.join(repo.path, 'histedit-state')) |
168cc52ad7c2
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486 return |
168cc52ad7c2
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487 else: |
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parents:
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488 cmdutil.bailifchanged(repo) |
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parents:
diff
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489 if os.path.exists(os.path.join(repo.path, 'histedit-state')): |
168cc52ad7c2
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parents:
diff
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490 raise util.Abort(_('history edit already in progress, try ' |
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parents:
diff
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491 '--continue or --abort')) |
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parents:
diff
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|
492 |
17665
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histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
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diff
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|
493 topmost, empty = repo.dirstate.parents() |
17064
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diff
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|
494 |
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|
495 if len(parent) != 1: |
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496 raise util.Abort(_('histedit requires exactly one parent revision')) |
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497 parent = scmutil.revsingle(repo, parent[0]).node() |
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diff
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|
498 |
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parents:
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499 keep = opts.get('keep', False) |
17665
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parents:
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diff
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|
500 revs = between(repo, parent, topmost, keep) |
17766
d9da327516f8
histedit: clean abort when there is nothing to edit
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17765
diff
changeset
|
501 if not revs: |
18608
3adbd57e1794
histedit: report when revisions to edit are not ancestors of working dir
Simon Heimberg <simohe@besonet.ch>
parents:
18507
diff
changeset
|
502 raise util.Abort(_('%s is not an ancestor of working directory') % |
3adbd57e1794
histedit: report when revisions to edit are not ancestors of working dir
Simon Heimberg <simohe@besonet.ch>
parents:
18507
diff
changeset
|
503 node.short(parent)) |
17064
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|
504 |
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parents:
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|
505 ctxs = [repo[r] for r in revs] |
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parents:
diff
changeset
|
506 rules = opts.get('commands', '') |
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parents:
diff
changeset
|
507 if not rules: |
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parents:
diff
changeset
|
508 rules = '\n'.join([makedesc(c) for c in ctxs]) |
17315
f320d7ed912f
histedit: make comment part of the file describing rules as translatable
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
17285
diff
changeset
|
509 rules += '\n\n' |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
510 rules += editcomment % (node.short(parent), node.short(topmost)) |
17064
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parents:
diff
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511 rules = ui.edit(rules, ui.username()) |
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parents:
diff
changeset
|
512 # Save edit rules in .hg/histedit-last-edit.txt in case |
168cc52ad7c2
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parents:
diff
changeset
|
513 # the user needs to ask for help after something |
168cc52ad7c2
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parents:
diff
changeset
|
514 # surprising happens. |
168cc52ad7c2
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parents:
diff
changeset
|
515 f = open(repo.join('histedit-last-edit.txt'), 'w') |
168cc52ad7c2
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parents:
diff
changeset
|
516 f.write(rules) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
517 f.close() |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
518 else: |
19018
730614b9b352
histedit: allow "-" as a command file
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
19017
diff
changeset
|
519 if rules == '-': |
730614b9b352
histedit: allow "-" as a command file
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
19017
diff
changeset
|
520 f = sys.stdin |
730614b9b352
histedit: allow "-" as a command file
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
19017
diff
changeset
|
521 else: |
730614b9b352
histedit: allow "-" as a command file
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
19017
diff
changeset
|
522 f = open(rules) |
17064
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Augie Fackler <raf@durin42.com>
parents:
diff
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|
523 rules = f.read() |
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
524 f.close() |
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parents:
diff
changeset
|
525 rules = [l for l in (r.strip() for r in rules.splitlines()) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
526 if l and not l[0] == '#'] |
168cc52ad7c2
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parents:
diff
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|
527 rules = verifyrules(rules, repo, ctxs) |
168cc52ad7c2
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parents:
diff
changeset
|
528 |
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parents:
diff
changeset
|
529 parentctx = repo[parent].parents()[0] |
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parents:
diff
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|
530 keep = opts.get('keep', False) |
17758
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histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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diff
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|
531 replacements = [] |
17064
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parents:
diff
changeset
|
532 |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
533 |
168cc52ad7c2
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parents:
diff
changeset
|
534 while rules: |
17758
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
535 writestate(repo, parentctx.node(), rules, keep, topmost, replacements) |
17064
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
536 action, ha = rules.pop(0) |
17645
4721fc933943
histedit: display action being processed in debug mode
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17644
diff
changeset
|
537 ui.debug('histedit: processing %s %s\n' % (action, ha)) |
17758
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histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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diff
changeset
|
538 actfunc = actiontable[action] |
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parents:
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diff
changeset
|
539 parentctx, replacement_ = actfunc(ui, repo, parentctx, ha, opts) |
5863f0e4cd3a
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diff
changeset
|
540 replacements.extend(replacement_) |
17064
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parents:
diff
changeset
|
541 |
168cc52ad7c2
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parents:
diff
changeset
|
542 hg.update(repo, parentctx.node()) |
168cc52ad7c2
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parents:
diff
changeset
|
543 |
17758
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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17757
diff
changeset
|
544 mapping, tmpnodes, created, ntm = processreplacement(repo, replacements) |
5863f0e4cd3a
histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17757
diff
changeset
|
545 if mapping: |
5863f0e4cd3a
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17757
diff
changeset
|
546 for prec, succs in mapping.iteritems(): |
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
547 if not succs: |
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histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
548 ui.debug('histedit: %s is dropped\n' % node.short(prec)) |
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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17757
diff
changeset
|
549 else: |
5863f0e4cd3a
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parents:
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diff
changeset
|
550 ui.debug('histedit: %s is replaced by %s\n' % ( |
5863f0e4cd3a
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parents:
17757
diff
changeset
|
551 node.short(prec), node.short(succs[0]))) |
5863f0e4cd3a
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
552 if len(succs) > 1: |
5863f0e4cd3a
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parents:
17757
diff
changeset
|
553 m = 'histedit: %s' |
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
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diff
changeset
|
554 for n in succs[1:]: |
5863f0e4cd3a
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parents:
17757
diff
changeset
|
555 ui.debug(m % node.short(n)) |
5863f0e4cd3a
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Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17757
diff
changeset
|
556 |
17064
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
557 if not keep: |
17758
5863f0e4cd3a
histedit: replace various nodes lists with replacement graph (and issue3582)
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
17757
diff
changeset
|
558 if mapping: |
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559 movebookmarks(ui, repo, mapping, topmost, ntm) |
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560 # TODO update mq state |
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561 if obsolete._enabled: |
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562 markers = [] |
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563 # sort by revision number because it sound "right" |
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564 for prec in sorted(mapping, key=repo.changelog.rev): |
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565 succs = mapping[prec] |
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566 markers.append((repo[prec], |
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567 tuple(repo[s] for s in succs))) |
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568 if markers: |
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569 obsolete.createmarkers(repo, markers) |
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570 else: |
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571 cleanupnode(ui, repo, 'replaced', mapping) |
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572 |
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573 cleanupnode(ui, repo, 'temp', tmpnodes) |
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574 os.unlink(os.path.join(repo.path, 'histedit-state')) |
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575 if os.path.exists(repo.sjoin('undo')): |
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576 os.unlink(repo.sjoin('undo')) |
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577 |
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578 |
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579 def bootstrapcontinue(ui, repo, parentctx, rules, opts): |
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580 action, currentnode = rules.pop(0) |
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581 ctx = repo[currentnode] |
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582 # is there any new commit between the expected parent and "." |
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583 # |
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584 # note: does not take non linear new change in account (but previous |
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585 # implementation didn't used them anyway (issue3655) |
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586 newchildren = [c.node() for c in repo.set('(%d::.)', parentctx)] |
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587 if parentctx.node() != node.nullid: |
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588 if not newchildren: |
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589 # `parentctxnode` should match but no result. This means that |
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590 # currentnode is not a descendant from parentctxnode. |
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591 msg = _('%s is not an ancestor of working directory') |
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592 hint = _('update to %s or descendant and run "hg histedit ' |
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593 '--continue" again') % parentctx |
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594 raise util.Abort(msg % parentctx, hint=hint) |
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595 newchildren.pop(0) # remove parentctxnode |
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596 # Commit dirty working directory if necessary |
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597 new = None |
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598 m, a, r, d = repo.status()[:4] |
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599 if m or a or r or d: |
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600 # prepare the message for the commit to comes |
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601 if action in ('f', 'fold'): |
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602 message = 'fold-temp-revision %s' % currentnode |
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603 else: |
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604 message = ctx.description() + '\n' |
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605 if action in ('e', 'edit', 'm', 'mess'): |
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606 editor = cmdutil.commitforceeditor |
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607 else: |
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608 editor = False |
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609 commit = commitfuncfor(repo, ctx) |
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610 new = commit(text=message, user=ctx.user(), |
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611 date=ctx.date(), extra=ctx.extra(), |
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612 editor=editor) |
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613 if new is not None: |
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614 newchildren.append(new) |
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615 |
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616 replacements = [] |
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617 # track replacements |
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618 if ctx.node() not in newchildren: |
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619 # note: new children may be empty when the changeset is dropped. |
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620 # this happen e.g during conflicting pick where we revert content |
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621 # to parent. |
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622 replacements.append((ctx.node(), tuple(newchildren))) |
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623 |
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624 if action in ('f', 'fold'): |
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625 if newchildren: |
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626 # finalize fold operation if applicable |
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627 if new is None: |
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628 new = newchildren[-1] |
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629 else: |
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630 newchildren.pop() # remove new from internal changes |
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631 parentctx, repl = finishfold(ui, repo, parentctx, ctx, new, opts, |
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632 newchildren) |
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633 replacements.extend(repl) |
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634 else: |
19017
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635 # newchildren is empty if the fold did not result in any commit |
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636 # this happen when all folded change are discarded during the |
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637 # merge. |
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638 replacements.append((ctx.node(), (parentctx.node(),))) |
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639 elif newchildren: |
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640 # otherwise update "parentctx" before proceeding to further operation |
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641 parentctx = repo[newchildren[-1]] |
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642 return parentctx, replacements |
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643 |
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644 |
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645 def between(repo, old, new, keep): |
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646 """select and validate the set of revision to edit |
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647 |
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648 When keep is false, the specified set can't have children.""" |
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649 ctxs = list(repo.set('%n::%n', old, new)) |
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650 if ctxs and not keep: |
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651 if (not obsolete._enabled and |
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652 repo.revs('(%ld::) - (%ld)', ctxs, ctxs)): |
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653 raise util.Abort(_('cannot edit history that would orphan nodes')) |
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654 root = ctxs[0] # list is already sorted by repo.set |
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655 if not root.phase(): |
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656 raise util.Abort(_('cannot edit immutable changeset: %s') % root) |
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657 return [c.node() for c in ctxs] |
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658 |
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659 |
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660 def writestate(repo, parentnode, rules, keep, topmost, replacements): |
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661 fp = open(os.path.join(repo.path, 'histedit-state'), 'w') |
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662 pickle.dump((parentnode, rules, keep, topmost, replacements), fp) |
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663 fp.close() |
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664 |
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665 def readstate(repo): |
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666 """Returns a tuple of (parentnode, rules, keep, topmost, replacements). |
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667 """ |
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668 fp = open(os.path.join(repo.path, 'histedit-state')) |
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669 return pickle.load(fp) |
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670 |
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671 |
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672 def makedesc(c): |
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673 """build a initial action line for a ctx `c` |
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674 |
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675 line are in the form: |
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676 |
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677 pick <hash> <rev> <summary> |
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678 """ |
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679 summary = '' |
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680 if c.description(): |
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681 summary = c.description().splitlines()[0] |
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682 line = 'pick %s %d %s' % (c, c.rev(), summary) |
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683 return line[:80] # trim to 80 chars so it's not stupidly wide in my editor |
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684 |
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685 def verifyrules(rules, repo, ctxs): |
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686 """Verify that there exists exactly one edit rule per given changeset. |
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687 |
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688 Will abort if there are to many or too few rules, a malformed rule, |
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689 or a rule on a changeset outside of the user-given range. |
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690 """ |
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691 parsed = [] |
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692 if len(rules) != len(ctxs): |
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693 raise util.Abort(_('must specify a rule for each changeset once')) |
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694 for r in rules: |
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695 if ' ' not in r: |
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696 raise util.Abort(_('malformed line "%s"') % r) |
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697 action, rest = r.split(' ', 1) |
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698 if ' ' in rest.strip(): |
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699 ha, rest = rest.split(' ', 1) |
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700 else: |
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701 ha = r.strip() |
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702 try: |
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703 if repo[ha] not in ctxs: |
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704 raise util.Abort( |
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705 _('may not use changesets other than the ones listed')) |
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706 except error.RepoError: |
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707 raise util.Abort(_('unknown changeset %s listed') % ha) |
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708 if action not in actiontable: |
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709 raise util.Abort(_('unknown action "%s"') % action) |
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710 parsed.append([action, ha]) |
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711 return parsed |
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712 |
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713 def processreplacement(repo, replacements): |
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714 """process the list of replacements to return |
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715 |
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716 1) the final mapping between original and created nodes |
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717 2) the list of temporary node created by histedit |
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718 3) the list of new commit created by histedit""" |
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719 allsuccs = set() |
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720 replaced = set() |
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721 fullmapping = {} |
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722 # initialise basic set |
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723 # fullmapping record all operation recorded in replacement |
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724 for rep in replacements: |
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725 allsuccs.update(rep[1]) |
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726 replaced.add(rep[0]) |
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727 fullmapping.setdefault(rep[0], set()).update(rep[1]) |
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728 new = allsuccs - replaced |
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729 tmpnodes = allsuccs & replaced |
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730 # Reduce content fullmapping into direct relation between original nodes |
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731 # and final node created during history edition |
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732 # Dropped changeset are replaced by an empty list |
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733 toproceed = set(fullmapping) |
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734 final = {} |
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735 while toproceed: |
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736 for x in list(toproceed): |
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737 succs = fullmapping[x] |
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738 for s in list(succs): |
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739 if s in toproceed: |
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740 # non final node with unknown closure |
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741 # We can't process this now |
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742 break |
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743 elif s in final: |
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744 # non final node, replace with closure |
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745 succs.remove(s) |
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746 succs.update(final[s]) |
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747 else: |
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748 final[x] = succs |
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749 toproceed.remove(x) |
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750 # remove tmpnodes from final mapping |
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751 for n in tmpnodes: |
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752 del final[n] |
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753 # we expect all changes involved in final to exist in the repo |
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754 # turn `final` into list (topologically sorted) |
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755 nm = repo.changelog.nodemap |
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756 for prec, succs in final.items(): |
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757 final[prec] = sorted(succs, key=nm.get) |
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758 |
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759 # computed topmost element (necessary for bookmark) |
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760 if new: |
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761 newtopmost = sorted(new, key=repo.changelog.rev)[-1] |
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762 elif not final: |
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763 # Nothing rewritten at all. we won't need `newtopmost` |
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764 # It is the same as `oldtopmost` and `processreplacement` know it |
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765 newtopmost = None |
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766 else: |
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767 # every body died. The newtopmost is the parent of the root. |
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768 newtopmost = repo[sorted(final, key=repo.changelog.rev)[0]].p1().node() |
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769 |
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770 return final, tmpnodes, new, newtopmost |
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771 |
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772 def movebookmarks(ui, repo, mapping, oldtopmost, newtopmost): |
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773 """Move bookmark from old to newly created node""" |
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774 if not mapping: |
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775 # if nothing got rewritten there is not purpose for this function |
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776 return |
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777 moves = [] |
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778 for bk, old in sorted(repo._bookmarks.iteritems()): |
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779 if old == oldtopmost: |
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780 # special case ensure bookmark stay on tip. |
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781 # |
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782 # This is arguably a feature and we may only want that for the |
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783 # active bookmark. But the behavior is kept compatible with the old |
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784 # version for now. |
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785 moves.append((bk, newtopmost)) |
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786 continue |
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787 base = old |
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788 new = mapping.get(base, None) |
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789 if new is None: |
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790 continue |
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791 while not new: |
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792 # base is killed, trying with parent |
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793 base = repo[base].p1().node() |
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794 new = mapping.get(base, (base,)) |
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795 # nothing to move |
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796 moves.append((bk, new[-1])) |
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797 if moves: |
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798 marks = repo._bookmarks |
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799 for mark, new in moves: |
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800 old = marks[mark] |
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801 ui.note(_('histedit: moving bookmarks %s from %s to %s\n') |
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802 % (mark, node.short(old), node.short(new))) |
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803 marks[mark] = new |
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804 marks.write() |
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805 |
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806 def cleanupnode(ui, repo, name, nodes): |
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807 """strip a group of nodes from the repository |
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808 |
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809 The set of node to strip may contains unknown nodes.""" |
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810 ui.debug('should strip %s nodes %s\n' % |
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811 (name, ', '.join([node.short(n) for n in nodes]))) |
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812 lock = None |
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813 try: |
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814 lock = repo.lock() |
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815 # Find all node that need to be stripped |
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816 # (we hg %lr instead of %ln to silently ignore unknown item |
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817 nm = repo.changelog.nodemap |
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818 nodes = [n for n in nodes if n in nm] |
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819 roots = [c.node() for c in repo.set("roots(%ln)", nodes)] |
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820 for c in roots: |
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821 # We should process node in reverse order to strip tip most first. |
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822 # but this trigger a bug in changegroup hook. |
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823 # This would reduce bundle overhead |
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824 repair.strip(ui, repo, c) |
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825 finally: |
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826 lockmod.release(lock) |