Mercurial > hg
annotate hgext/histedit.py @ 17749:40601f2b7608
histedit: simplify computation of `newchildren` during --continue
We are now checking for any changesets between the previous `parentctx` and the
current working directory parent. If the current working directory parent is
inconsistent, we abort.
This change is useful as it simplifies the --continue process, easing upcoming
changes.
While working on this changeset, I spotted an unhandled corner case. This corner
case is now documented and have an appropriate issue in the tracker (issue3655).
However, the corner case is still unhandled. handling this test case would
required some additional work:
- actually decide what the proper behavior should be:
- change content of "histedit-state" to add missing data necessary to detect
the situation
- add proper testcase,
But leaving the case unhandled is "okay":
- this is not a regression,
- this is not the purpose of the current series,
- the freeze was near and I had more critical stuff to attend to,
- this is a simple but non trivial, (see above)
author | Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
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date | Wed, 10 Oct 2012 06:20:14 +0200 |
parents | 5b6c8f2fbda5 |
children | bb6149f1db83 |
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 633536316234 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 633536316234 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 example repository above and add three more changes, such that |
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112 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 |
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147 from mercurial import bookmarks |
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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 merge as mergemod |
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160 from mercurial.i18n import _ |
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161 |
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162 cmdtable = {} |
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163 command = cmdutil.command(cmdtable) |
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164 |
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165 testedwith = 'internal' |
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166 |
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167 # i18n: command names and abbreviations must remain untranslated |
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168 editcomment = _("""# Edit history between %s and %s |
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169 # |
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170 # Commands: |
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171 # p, pick = use commit |
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172 # e, edit = use commit, but stop for amending |
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173 # f, fold = use commit, but fold into previous commit (combines N and N-1) |
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174 # d, drop = remove commit from history |
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175 # m, mess = edit message without changing commit content |
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176 # |
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177 """) |
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178 |
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179 def applychanges(ui, repo, ctx, opts): |
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180 """Merge changeset from ctx (only) in the current working directory""" |
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181 wcpar = repo.dirstate.parents()[0] |
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182 if ctx.p1().node() == wcpar: |
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183 # edition ar "in place" we do not need to make any merge, |
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184 # just applies changes on parent for edition |
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185 cmdutil.revert(ui, repo, ctx, (wcpar, node.nullid), all=True) |
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186 stats = None |
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187 else: |
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188 try: |
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189 # ui.forcemerge is an internal variable, do not document |
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190 repo.ui.setconfig('ui', 'forcemerge', opts.get('tool', '')) |
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191 stats = mergemod.update(repo, ctx.node(), True, True, False, |
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192 ctx.p1().node()) |
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193 finally: |
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194 repo.ui.setconfig('ui', 'forcemerge', '') |
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195 repo.setparents(wcpar, node.nullid) |
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196 repo.dirstate.write() |
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197 # fix up dirstate for copies and renames |
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198 cmdutil.duplicatecopies(repo, ctx.rev(), ctx.p1().rev()) |
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199 return stats |
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200 |
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201 def collapse(repo, first, last, commitopts): |
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202 """collapse the set of revisions from first to last as new one. |
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203 |
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204 Expected commit options are: |
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205 - message |
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206 - date |
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207 - username |
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208 Edition of commit message is trigered in all case. |
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209 |
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210 This function works in memory.""" |
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211 ctxs = list(repo.set('%d::%d', first, last)) |
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212 if not ctxs: |
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213 return None |
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214 base = first.parents()[0] |
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215 |
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216 # commit a new version of the old changeset, including the update |
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217 # collect all files which might be affected |
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218 files = set() |
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219 for ctx in ctxs: |
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220 files.update(ctx.files()) |
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221 |
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222 # Recompute copies (avoid recording a -> b -> a) |
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223 copied = copies.pathcopies(first, last) |
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224 |
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225 # prune files which were reverted by the updates |
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226 def samefile(f): |
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227 if f in last.manifest(): |
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228 a = last.filectx(f) |
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229 if f in base.manifest(): |
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230 b = base.filectx(f) |
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231 return (a.data() == b.data() |
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232 and a.flags() == b.flags()) |
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233 else: |
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234 return False |
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235 else: |
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236 return f not in base.manifest() |
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237 files = [f for f in files if not samefile(f)] |
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238 # commit version of these files as defined by head |
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239 headmf = last.manifest() |
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240 def filectxfn(repo, ctx, path): |
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241 if path in headmf: |
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242 fctx = last[path] |
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243 flags = fctx.flags() |
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244 mctx = context.memfilectx(fctx.path(), fctx.data(), |
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245 islink='l' in flags, |
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246 isexec='x' in flags, |
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247 copied=copied.get(path)) |
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248 return mctx |
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249 raise IOError() |
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250 |
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251 if commitopts.get('message'): |
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252 message = commitopts['message'] |
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253 else: |
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254 message = first.description() |
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255 user = commitopts.get('user') |
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256 date = commitopts.get('date') |
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257 extra = first.extra() |
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258 |
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259 parents = (first.p1().node(), first.p2().node()) |
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260 new = context.memctx(repo, |
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261 parents=parents, |
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262 text=message, |
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263 files=files, |
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264 filectxfn=filectxfn, |
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265 user=user, |
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266 date=date, |
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267 extra=extra) |
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268 new._text = cmdutil.commitforceeditor(repo, new, []) |
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269 return repo.commitctx(new) |
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270 |
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271 def pick(ui, repo, ctx, ha, opts): |
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272 oldctx = repo[ha] |
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273 if oldctx.parents()[0] == ctx: |
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274 ui.debug('node %s unchanged\n' % ha) |
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275 return oldctx, [], [], [] |
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276 hg.update(repo, ctx.node()) |
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277 stats = applychanges(ui, repo, oldctx, opts) |
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278 if stats and stats[3] > 0: |
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279 raise util.Abort(_('Fix up the change and run ' |
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280 'hg histedit --continue')) |
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281 # drop the second merge parent |
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282 n = repo.commit(text=oldctx.description(), user=oldctx.user(), |
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283 date=oldctx.date(), extra=oldctx.extra()) |
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284 if n is None: |
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285 ui.warn(_('%s: empty changeset\n') |
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286 % node.hex(ha)) |
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287 return ctx, [], [], [] |
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288 return repo[n], [n], [oldctx.node()], [] |
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289 |
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290 |
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291 def edit(ui, repo, ctx, ha, opts): |
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292 oldctx = repo[ha] |
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293 hg.update(repo, ctx.node()) |
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294 applychanges(ui, repo, oldctx, opts) |
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295 raise util.Abort(_('Make changes as needed, you may commit or record as ' |
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296 'needed now.\nWhen you are finished, run hg' |
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297 ' histedit --continue to resume.')) |
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298 |
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299 def fold(ui, repo, ctx, ha, opts): |
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300 oldctx = repo[ha] |
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301 hg.update(repo, ctx.node()) |
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302 stats = applychanges(ui, repo, oldctx, opts) |
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303 if stats and stats[3] > 0: |
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304 raise util.Abort(_('Fix up the change and run ' |
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305 'hg histedit --continue')) |
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306 n = repo.commit(text='fold-temp-revision %s' % ha, user=oldctx.user(), |
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307 date=oldctx.date(), extra=oldctx.extra()) |
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308 if n is None: |
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309 ui.warn(_('%s: empty changeset') |
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310 % node.hex(ha)) |
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311 return ctx, [], [], [] |
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312 return finishfold(ui, repo, ctx, oldctx, n, opts, []) |
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313 |
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314 def finishfold(ui, repo, ctx, oldctx, newnode, opts, internalchanges): |
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315 parent = ctx.parents()[0].node() |
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316 hg.update(repo, parent) |
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317 ### prepare new commit data |
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318 commitopts = opts.copy() |
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319 # username |
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320 if ctx.user() == oldctx.user(): |
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321 username = ctx.user() |
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322 else: |
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323 username = ui.username() |
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324 commitopts['user'] = username |
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325 # commit message |
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326 newmessage = '\n***\n'.join( |
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327 [ctx.description()] + |
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328 [repo[r].description() for r in internalchanges] + |
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329 [oldctx.description()]) + '\n' |
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330 commitopts['message'] = newmessage |
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331 # date |
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332 commitopts['date'] = max(ctx.date(), oldctx.date()) |
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333 n = collapse(repo, ctx, repo[newnode], commitopts) |
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334 if n is None: |
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335 return ctx, [], [], [] |
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336 hg.update(repo, n) |
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337 return repo[n], [n], [oldctx.node(), ctx.node()], [newnode] |
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338 |
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339 def drop(ui, repo, ctx, ha, opts): |
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340 return ctx, [], [repo[ha].node()], [] |
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341 |
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342 |
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343 def message(ui, repo, ctx, ha, opts): |
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344 oldctx = repo[ha] |
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345 hg.update(repo, ctx.node()) |
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histedit: replaces patching logic by merges
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346 stats = applychanges(ui, repo, oldctx, opts) |
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347 if stats and stats[3] > 0: |
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348 raise util.Abort(_('Fix up the change and run ' |
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349 'hg histedit --continue')) |
17285
0f6f10d5f7a6
histedit: add trailing newline when editing commit messages
Mads Kiilerich <mads@kiilerich.com>
parents:
17275
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|
350 message = oldctx.description() + '\n' |
17064
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351 message = ui.edit(message, ui.username()) |
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352 new = repo.commit(text=message, user=oldctx.user(), date=oldctx.date(), |
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353 extra=oldctx.extra()) |
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354 newctx = repo[new] |
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355 if oldctx.node() != newctx.node(): |
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356 return newctx, [new], [oldctx.node()], [] |
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357 # We didn't make an edit, so just indicate no replaced nodes |
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358 return newctx, [new], [], [] |
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359 |
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360 actiontable = {'p': pick, |
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361 'pick': pick, |
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parents:
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362 'e': edit, |
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363 'edit': edit, |
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364 'f': fold, |
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365 'fold': fold, |
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366 'd': drop, |
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367 'drop': drop, |
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368 'm': message, |
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369 'mess': message, |
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370 } |
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parents:
17131
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371 |
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372 @command('histedit', |
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373 [('', 'commands', '', |
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374 _('Read history edits from the specified file.')), |
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parents:
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375 ('c', 'continue', False, _('continue an edit already in progress')), |
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parents:
17131
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376 ('k', 'keep', False, |
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parents:
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377 _("don't strip old nodes after edit is complete")), |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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378 ('', 'abort', False, _('abort an edit in progress')), |
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histedit: use cmdutil.command decorator
Adrian Buehlmann <adrian@cadifra.com>
parents:
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|
379 ('o', 'outgoing', False, _('changesets not found in destination')), |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
17131
diff
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|
380 ('f', 'force', False, |
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parents:
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|
381 _('force outgoing even for unrelated repositories')), |
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Adrian Buehlmann <adrian@cadifra.com>
parents:
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diff
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|
382 ('r', 'rev', [], _('first revision to be edited'))], |
80e861511e2b
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Adrian Buehlmann <adrian@cadifra.com>
parents:
17131
diff
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|
383 _("[PARENT]")) |
17064
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parents:
diff
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384 def histedit(ui, repo, *parent, **opts): |
17131
4fb2d3d16743
histedit: add extension docstring from external README
Augie Fackler <raf@durin42.com>
parents:
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|
385 """interactively edit changeset history |
17064
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386 """ |
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387 # TODO only abort if we try and histedit mq patches, not just |
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388 # blanket if mq patches are applied somewhere |
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389 mq = getattr(repo, 'mq', None) |
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390 if mq and mq.applied: |
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parents:
diff
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391 raise util.Abort(_('source has mq patches applied')) |
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parents:
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|
392 |
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393 parent = list(parent) + opts.get('rev', []) |
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394 if opts.get('outgoing'): |
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parents:
diff
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|
395 if len(parent) > 1: |
17066
baf8887d40e2
histedit: fix most check-code violations
Augie Fackler <raf@durin42.com>
parents:
17064
diff
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|
396 raise util.Abort( |
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parents:
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|
397 _('only one repo argument allowed with --outgoing')) |
17064
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parents:
diff
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|
398 elif parent: |
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parents:
diff
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|
399 parent = parent[0] |
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parents:
diff
changeset
|
400 |
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parents:
diff
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|
401 dest = ui.expandpath(parent or 'default-push', parent or 'default') |
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parents:
diff
changeset
|
402 dest, revs = hg.parseurl(dest, None)[:2] |
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Augie Fackler <raf@durin42.com>
parents:
diff
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|
403 ui.status(_('comparing with %s\n') % util.hidepassword(dest)) |
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parents:
diff
changeset
|
404 |
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
405 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
diff
changeset
|
406 other = hg.peer(repo, opts, dest) |
17064
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parents:
diff
changeset
|
407 |
168cc52ad7c2
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parents:
diff
changeset
|
408 if revs: |
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parents:
diff
changeset
|
409 revs = [repo.lookup(rev) for rev in revs] |
168cc52ad7c2
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parents:
diff
changeset
|
410 |
168cc52ad7c2
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parents:
diff
changeset
|
411 parent = discovery.findcommonoutgoing( |
168cc52ad7c2
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parents:
diff
changeset
|
412 repo, other, [], force=opts.get('force')).missing[0:1] |
168cc52ad7c2
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parents:
diff
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|
413 else: |
168cc52ad7c2
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parents:
diff
changeset
|
414 if opts.get('force'): |
168cc52ad7c2
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parents:
diff
changeset
|
415 raise util.Abort(_('--force only allowed with --outgoing')) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
416 |
168cc52ad7c2
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parents:
diff
changeset
|
417 if opts.get('continue', False): |
168cc52ad7c2
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parents:
diff
changeset
|
418 if len(parent) != 0: |
168cc52ad7c2
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parents:
diff
changeset
|
419 raise util.Abort(_('no arguments allowed with --continue')) |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
420 (parentctxnode, created, replaced, tmpnodes, |
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histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
421 existing, rules, keep, topmost, replacemap) = readstate(repo) |
17064
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
422 parentctx = repo[parentctxnode] |
17242
336121088ef1
histedit: fix new nodes computation with --continue (issue3534)
Patrick Mezard <patrick@mezard.eu>
parents:
17241
diff
changeset
|
423 existing = set(existing) |
17666
5b6c8f2fbda5
histedit: move `continue` logic into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17665
diff
changeset
|
424 parentctx = bootstrapcontinue(ui, repo, parentctx, existing, |
5b6c8f2fbda5
histedit: move `continue` logic into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17665
diff
changeset
|
425 replacemap, rules, tmpnodes, created, |
5b6c8f2fbda5
histedit: move `continue` logic into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17665
diff
changeset
|
426 replaced, opts) |
17064
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
427 elif opts.get('abort', False): |
168cc52ad7c2
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parents:
diff
changeset
|
428 if len(parent) != 0: |
168cc52ad7c2
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parents:
diff
changeset
|
429 raise util.Abort(_('no arguments allowed with --abort')) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
430 (parentctxnode, created, replaced, tmpnodes, |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
431 existing, rules, keep, topmost, replacemap) = readstate(repo) |
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
432 ui.debug('restore wc to old parent %s\n' % node.short(topmost)) |
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
433 hg.clean(repo, topmost) |
17664
4eb13b619785
histedit: factorise node stripping logic
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17663
diff
changeset
|
434 cleanupnode(ui, repo, 'created', created) |
4eb13b619785
histedit: factorise node stripping logic
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17663
diff
changeset
|
435 cleanupnode(ui, repo, 'temp', tmpnodes) |
17064
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
436 os.unlink(os.path.join(repo.path, 'histedit-state')) |
168cc52ad7c2
histedit: new extension for interactive history editing
Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
437 return |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
438 else: |
168cc52ad7c2
histedit: new extension for interactive history editing
Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
439 cmdutil.bailifchanged(repo) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
440 if os.path.exists(os.path.join(repo.path, 'histedit-state')): |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
441 raise util.Abort(_('history edit already in progress, try ' |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
442 '--continue or --abort')) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
443 |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
444 topmost, empty = repo.dirstate.parents() |
17064
168cc52ad7c2
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parents:
diff
changeset
|
445 |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
446 |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
447 if len(parent) != 1: |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
448 raise util.Abort(_('histedit requires exactly one parent revision')) |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
449 parent = scmutil.revsingle(repo, parent[0]).node() |
168cc52ad7c2
histedit: new extension for interactive history editing
Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
450 |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
451 keep = opts.get('keep', False) |
17665
b65533958b85
histedit: rename `tip` to `topmost`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
17664
diff
changeset
|
452 revs = between(repo, parent, topmost, keep) |
17064
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
453 |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
454 ctxs = [repo[r] for r in revs] |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
455 existing = [r.node() for r in ctxs] |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
456 rules = opts.get('commands', '') |
168cc52ad7c2
histedit: new extension for interactive history editing
Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
457 if not rules: |
168cc52ad7c2
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Augie Fackler <raf@durin42.com>
parents:
diff
changeset
|
458 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
|
459 rules += '\n\n' |
17665
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460 rules += editcomment % (node.short(parent), node.short(topmost)) |
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461 rules = ui.edit(rules, ui.username()) |
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462 # Save edit rules in .hg/histedit-last-edit.txt in case |
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463 # the user needs to ask for help after something |
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464 # surprising happens. |
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465 f = open(repo.join('histedit-last-edit.txt'), 'w') |
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466 f.write(rules) |
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467 f.close() |
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468 else: |
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469 f = open(rules) |
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470 rules = f.read() |
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471 f.close() |
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472 rules = [l for l in (r.strip() for r in rules.splitlines()) |
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473 if l and not l[0] == '#'] |
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474 rules = verifyrules(rules, repo, ctxs) |
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475 |
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476 parentctx = repo[parent].parents()[0] |
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477 keep = opts.get('keep', False) |
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478 replaced = [] |
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479 replacemap = {} |
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480 tmpnodes = [] |
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481 created = [] |
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482 |
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483 |
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484 while rules: |
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485 writestate(repo, parentctx.node(), created, replaced, |
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486 tmpnodes, existing, rules, keep, topmost, replacemap) |
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487 action, ha = rules.pop(0) |
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488 ui.debug('histedit: processing %s %s\n' % (action, ha)) |
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489 (parentctx, created_, replaced_, tmpnodes_) = actiontable[action]( |
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490 ui, repo, parentctx, ha, opts) |
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491 |
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492 if replaced_: |
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493 clen, rlen = len(created_), len(replaced_) |
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494 if clen == rlen == 1: |
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495 ui.debug('histedit: exact replacement of %s with %s\n' % ( |
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496 node.short(replaced_[0]), node.short(created_[0]))) |
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497 |
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498 replacemap[replaced_[0]] = created_[0] |
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499 elif clen > rlen: |
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500 assert rlen == 1, ('unexpected replacement of ' |
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501 '%d changes with %d changes' % (rlen, clen)) |
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502 # made more changesets than we're replacing |
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503 # TODO synthesize patch names for created patches |
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504 replacemap[replaced_[0]] = created_[-1] |
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505 ui.debug('histedit: created many, assuming %s replaced by %s' % |
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506 (node.short(replaced_[0]), node.short(created_[-1]))) |
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507 elif rlen > clen: |
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508 if not created_: |
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509 # This must be a drop. Try and put our metadata on |
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510 # the parent change. |
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511 assert rlen == 1 |
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512 r = replaced_[0] |
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513 ui.debug('histedit: %s seems replaced with nothing, ' |
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514 'finding a parent\n' % (node.short(r))) |
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515 pctx = repo[r].parents()[0] |
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516 if pctx.node() in replacemap: |
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517 ui.debug('histedit: parent is already replaced\n') |
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518 replacemap[r] = replacemap[pctx.node()] |
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519 else: |
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520 replacemap[r] = pctx.node() |
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521 ui.debug('histedit: %s best replaced by %s\n' % ( |
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522 node.short(r), node.short(replacemap[r]))) |
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523 else: |
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524 assert len(created_) == 1 |
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525 for r in replaced_: |
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526 ui.debug('histedit: %s replaced by %s\n' % ( |
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527 node.short(r), node.short(created_[0]))) |
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528 replacemap[r] = created_[0] |
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529 else: |
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530 assert False, ( |
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531 'Unhandled case in replacement mapping! ' |
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532 'replacing %d changes with %d changes' % (rlen, clen)) |
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533 created.extend(created_) |
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534 replaced.extend(replaced_) |
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535 tmpnodes.extend(tmpnodes_) |
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536 |
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537 hg.update(repo, parentctx.node()) |
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538 |
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539 if not keep: |
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540 if replacemap: |
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541 movebookmarks(ui, repo, replacemap, tmpnodes, created) |
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542 # TODO update mq state |
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543 cleanupnode(ui, repo, 'replaced', replaced) |
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544 |
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545 cleanupnode(ui, repo, 'temp', tmpnodes) |
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546 os.unlink(os.path.join(repo.path, 'histedit-state')) |
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547 if os.path.exists(repo.sjoin('undo')): |
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548 os.unlink(repo.sjoin('undo')) |
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549 |
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550 |
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551 def bootstrapcontinue(ui, repo, parentctx, existing, replacemap, rules, |
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552 tmpnodes, created, replaced, opts): |
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553 action, currentnode = rules.pop(0) |
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554 # is there any new commit between the expected parent and "." |
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555 # |
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556 # note: does not take non linear new change in account (but previous |
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557 # implementation didn't used them anyway (issue3655) |
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558 newchildren = [c.node() for c in repo.set('(%d::.)', parentctx)] |
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559 if not newchildren: |
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560 # `parentctxnode` should match but no result. This means that |
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561 # currentnode is not a descendant from parentctxnode. |
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562 msg = _('working directory parent is not a descendant of %s') |
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563 hint = _('update to %s or descendant and run "hg histedit ' |
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564 '--continue" again') % parentctx |
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565 raise util.Abort(msg % parentctx, hint=hint) |
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566 newchildren.pop(0) # remove parentctxnode |
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567 if action in ('f', 'fold'): |
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568 tmpnodes.extend(newchildren) |
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569 else: |
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570 created.extend(newchildren) |
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571 |
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572 m, a, r, d = repo.status()[:4] |
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573 oldctx = repo[currentnode] |
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574 message = oldctx.description() + '\n' |
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575 if action in ('e', 'edit', 'm', 'mess'): |
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576 message = ui.edit(message, ui.username()) |
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577 elif action in ('f', 'fold'): |
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578 message = 'fold-temp-revision %s' % currentnode |
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579 new = None |
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580 if m or a or r or d: |
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581 new = repo.commit(text=message, user=oldctx.user(), |
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582 date=oldctx.date(), extra=oldctx.extra()) |
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583 |
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584 # If we're resuming a fold and we have new changes, mark the |
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585 # replacements and finish the fold. If not, it's more like a |
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586 # drop of the changesets that disappeared, and we can skip |
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587 # this step. |
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588 if action in ('f', 'fold') and (new or newchildren): |
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589 if new: |
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590 tmpnodes.append(new) |
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591 else: |
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592 new = newchildren[-1] |
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593 (parentctx, created_, replaced_, tmpnodes_) = finishfold( |
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594 ui, repo, parentctx, oldctx, new, opts, newchildren) |
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595 replaced.extend(replaced_) |
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596 created.extend(created_) |
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597 tmpnodes.extend(tmpnodes_) |
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598 elif action not in ('d', 'drop'): |
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599 if new != oldctx.node(): |
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600 replaced.append(oldctx.node()) |
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601 if new: |
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602 if new != oldctx.node(): |
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603 created.append(new) |
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604 parentctx = repo[new] |
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605 return parentctx |
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606 |
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607 |
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608 def between(repo, old, new, keep): |
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609 """select and validate the set of revision to edit |
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610 |
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611 When keep is false, the specified set can't have children.""" |
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612 revs = [old] |
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613 current = old |
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614 while current != new: |
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615 ctx = repo[current] |
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616 if not keep and len(ctx.children()) > 1: |
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617 raise util.Abort(_('cannot edit history that would orphan nodes')) |
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618 if len(ctx.parents()) != 1 and ctx.parents()[1] != node.nullid: |
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619 raise util.Abort(_("can't edit history with merges")) |
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620 if not ctx.children(): |
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621 current = new |
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622 else: |
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623 current = ctx.children()[0].node() |
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624 revs.append(current) |
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625 if len(repo[current].children()) and not keep: |
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626 raise util.Abort(_('cannot edit history that would orphan nodes')) |
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627 return revs |
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628 |
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629 |
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630 def writestate(repo, parentctxnode, created, replaced, |
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631 tmpnodes, existing, rules, keep, topmost, replacemap): |
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632 fp = open(os.path.join(repo.path, 'histedit-state'), 'w') |
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633 pickle.dump((parentctxnode, created, replaced, |
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634 tmpnodes, existing, rules, keep, topmost, replacemap), |
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635 fp) |
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636 fp.close() |
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637 |
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638 def readstate(repo): |
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639 """Returns a tuple of (parentnode, created, replaced, tmp, existing, rules, |
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640 keep, topmost, replacemap ). |
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641 """ |
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642 fp = open(os.path.join(repo.path, 'histedit-state')) |
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643 return pickle.load(fp) |
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644 |
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645 |
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646 def makedesc(c): |
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647 """build a initial action line for a ctx `c` |
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648 |
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649 line are in the form: |
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650 |
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651 pick <hash> <rev> <summary> |
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652 """ |
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653 summary = '' |
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654 if c.description(): |
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655 summary = c.description().splitlines()[0] |
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656 line = 'pick %s %d %s' % (c, c.rev(), summary) |
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657 return line[:80] # trim to 80 chars so it's not stupidly wide in my editor |
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658 |
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659 def verifyrules(rules, repo, ctxs): |
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660 """Verify that there exists exactly one edit rule per given changeset. |
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661 |
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662 Will abort if there are to many or too few rules, a malformed rule, |
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663 or a rule on a changeset outside of the user-given range. |
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664 """ |
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665 parsed = [] |
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666 if len(rules) != len(ctxs): |
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667 raise util.Abort(_('must specify a rule for each changeset once')) |
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668 for r in rules: |
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669 if ' ' not in r: |
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670 raise util.Abort(_('malformed line "%s"') % r) |
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671 action, rest = r.split(' ', 1) |
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672 if ' ' in rest.strip(): |
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673 ha, rest = rest.split(' ', 1) |
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674 else: |
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675 ha = r.strip() |
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676 try: |
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677 if repo[ha] not in ctxs: |
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678 raise util.Abort( |
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679 _('may not use changesets other than the ones listed')) |
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680 except error.RepoError: |
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681 raise util.Abort(_('unknown changeset %s listed') % ha) |
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682 if action not in actiontable: |
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Augie Fackler <raf@durin42.com>
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683 raise util.Abort(_('unknown action "%s"') % action) |
168cc52ad7c2
histedit: new extension for interactive history editing
Augie Fackler <raf@durin42.com>
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684 parsed.append([action, ha]) |
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histedit: new extension for interactive history editing
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685 return parsed |
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histedit: extract bookmark logic in a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
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686 |
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histedit: extract bookmark logic in a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
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687 def movebookmarks(ui, repo, replacemap, tmpnodes, created): |
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688 """Move bookmark from old to newly created node""" |
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689 ui.note(_('histedit: Should update metadata for the following ' |
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690 'changes:\n')) |
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691 |
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692 def copybms(old, new): |
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693 if old in tmpnodes or old in created: |
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694 # can't have any metadata we'd want to update |
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695 return |
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696 while new in replacemap: |
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697 new = replacemap[new] |
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698 ui.note(_('histedit: %s to %s\n') % (node.short(old), |
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699 node.short(new))) |
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700 octx = repo[old] |
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701 marks = octx.bookmarks() |
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702 if marks: |
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703 ui.note(_('histedit: moving bookmarks %s\n') % |
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704 ', '.join(marks)) |
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705 for mark in marks: |
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706 repo._bookmarks[mark] = new |
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707 bookmarks.write(repo) |
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708 |
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709 # We assume that bookmarks on the tip should remain |
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710 # tipmost, but bookmarks on non-tip changesets should go |
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711 # to their most reasonable successor. As a result, find |
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712 # the old tip and new tip and copy those bookmarks first, |
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713 # then do the rest of the bookmark copies. |
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714 oldtip = sorted(replacemap.keys(), key=repo.changelog.rev)[-1] |
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715 newtip = sorted(replacemap.values(), key=repo.changelog.rev)[-1] |
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716 copybms(oldtip, newtip) |
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717 |
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718 for old, new in sorted(replacemap.iteritems()): |
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719 copybms(old, new) |
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histedit: factorise node stripping logic
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720 |
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721 def cleanupnode(ui, repo, name, nodes): |
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722 """strip a group of nodes from the repository |
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723 |
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724 The set of node to strip may contains unknown nodes.""" |
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725 ui.debug('should strip %s nodes %s\n' % |
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726 (name, ', '.join([node.short(n) for n in nodes]))) |
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727 lock = None |
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728 try: |
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729 lock = repo.lock() |
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730 # Find all node that need to be stripped |
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731 # (we hg %lr instead of %ln to silently ignore unknown item |
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732 nm = repo.changelog.nodemap |
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733 nodes = [n for n in nodes if n in nm] |
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734 roots = [c.node() for c in repo.set("roots(%ln)", nodes)] |
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735 for c in roots: |
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736 # We should process node in reverse order to strip tip most first. |
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737 # but this trigger a bug in changegroup hook. |
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738 # This would reduce bundle overhead |
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739 repair.strip(ui, repo, c) |
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740 finally: |
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741 lockmod.release(lock) |
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742 |