Mercurial > hg
annotate mercurial/obsutil.py @ 45658:6569b2371240
tests: back out accidentally queued changeset 0627cd03b1e9
I accidentally queued other people's patches on top of my own and
pushed mine along with theirs.
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Thu, 08 Oct 2020 23:14:41 -0700 |
parents | 04ef381000a8 |
children | 89a2afe31e82 |
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1 # obsutil.py - utility functions for obsolescence |
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2 # |
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3 # Copyright 2017 Boris Feld <boris.feld@octobus.net> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import re |
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11 |
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12 from .i18n import _ |
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13 from . import ( |
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14 diffutil, |
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15 encoding, |
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16 error, |
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17 node as nodemod, |
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18 phases, |
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19 pycompat, |
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20 util, |
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21 ) |
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22 from .utils import dateutil |
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23 |
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24 ### obsolescence marker flag |
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25 |
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26 ## bumpedfix flag |
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27 # |
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28 # When a changeset A' succeed to a changeset A which became public, we call A' |
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29 # "bumped" because it's a successors of a public changesets |
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30 # |
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31 # o A' (bumped) |
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32 # |`: |
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33 # | o A |
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34 # |/ |
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35 # o Z |
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36 # |
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37 # The way to solve this situation is to create a new changeset Ad as children |
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38 # of A. This changeset have the same content than A'. So the diff from A to A' |
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39 # is the same than the diff from A to Ad. Ad is marked as a successors of A' |
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40 # |
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41 # o Ad |
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42 # |`: |
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43 # | x A' |
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44 # |'| |
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45 # o | A |
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46 # |/ |
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47 # o Z |
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48 # |
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49 # But by transitivity Ad is also a successors of A. To avoid having Ad marked |
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50 # as bumped too, we add the `bumpedfix` flag to the marker. <A', (Ad,)>. |
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51 # This flag mean that the successors express the changes between the public and |
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52 # bumped version and fix the situation, breaking the transitivity of |
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53 # "bumped" here. |
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54 bumpedfix = 1 |
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55 usingsha256 = 2 |
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56 |
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57 |
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58 class marker(object): |
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59 """Wrap obsolete marker raw data""" |
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60 |
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61 def __init__(self, repo, data): |
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62 # the repo argument will be used to create changectx in later version |
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63 self._repo = repo |
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64 self._data = data |
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65 self._decodedmeta = None |
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66 |
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67 def __hash__(self): |
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68 return hash(self._data) |
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69 |
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70 def __eq__(self, other): |
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71 if type(other) != type(self): |
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72 return False |
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73 return self._data == other._data |
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74 |
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75 def prednode(self): |
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76 """Predecessor changeset node identifier""" |
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77 return self._data[0] |
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78 |
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79 def succnodes(self): |
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80 """List of successor changesets node identifiers""" |
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81 return self._data[1] |
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82 |
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83 def parentnodes(self): |
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84 """Parents of the predecessors (None if not recorded)""" |
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85 return self._data[5] |
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86 |
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87 def metadata(self): |
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88 """Decoded metadata dictionary""" |
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89 return dict(self._data[3]) |
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90 |
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91 def date(self): |
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92 """Creation date as (unixtime, offset)""" |
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93 return self._data[4] |
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94 |
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95 def flags(self): |
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96 """The flags field of the marker""" |
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97 return self._data[2] |
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98 |
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99 |
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100 def getmarkers(repo, nodes=None, exclusive=False): |
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101 """returns markers known in a repository |
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102 |
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103 If <nodes> is specified, only markers "relevant" to those nodes are are |
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104 returned""" |
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105 if nodes is None: |
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106 rawmarkers = repo.obsstore |
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107 elif exclusive: |
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108 rawmarkers = exclusivemarkers(repo, nodes) |
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109 else: |
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110 rawmarkers = repo.obsstore.relevantmarkers(nodes) |
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111 |
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112 for markerdata in rawmarkers: |
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113 yield marker(repo, markerdata) |
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114 |
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115 |
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116 def sortedmarkers(markers): |
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117 # last item of marker tuple ('parents') may be None or a tuple |
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118 return sorted(markers, key=lambda m: m[:-1] + (m[-1] or (),)) |
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119 |
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120 |
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121 def closestpredecessors(repo, nodeid): |
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122 """yield the list of next predecessors pointing on visible changectx nodes |
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123 |
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124 This function respect the repoview filtering, filtered revision will be |
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125 considered missing. |
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126 """ |
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127 |
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128 precursors = repo.obsstore.predecessors |
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129 stack = [nodeid] |
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130 seen = set(stack) |
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131 |
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132 while stack: |
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133 current = stack.pop() |
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134 currentpreccs = precursors.get(current, ()) |
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135 |
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136 for prec in currentpreccs: |
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137 precnodeid = prec[0] |
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138 |
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139 # Basic cycle protection |
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140 if precnodeid in seen: |
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141 continue |
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142 seen.add(precnodeid) |
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143 |
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144 if precnodeid in repo: |
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145 yield precnodeid |
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146 else: |
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147 stack.append(precnodeid) |
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148 |
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149 |
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150 def allpredecessors(obsstore, nodes, ignoreflags=0): |
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151 """Yield node for every precursors of <nodes>. |
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152 |
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153 Some precursors may be unknown locally. |
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154 |
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155 This is a linear yield unsuited to detecting folded changesets. It includes |
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156 initial nodes too.""" |
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157 |
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158 remaining = set(nodes) |
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159 seen = set(remaining) |
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160 prec = obsstore.predecessors.get |
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161 while remaining: |
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162 current = remaining.pop() |
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163 yield current |
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164 for mark in prec(current, ()): |
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165 # ignore marker flagged with specified flag |
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166 if mark[2] & ignoreflags: |
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167 continue |
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168 suc = mark[0] |
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169 if suc not in seen: |
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170 seen.add(suc) |
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171 remaining.add(suc) |
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172 |
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173 |
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174 def allsuccessors(obsstore, nodes, ignoreflags=0): |
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175 """Yield node for every successor of <nodes>. |
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176 |
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177 Some successors may be unknown locally. |
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178 |
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179 This is a linear yield unsuited to detecting split changesets. It includes |
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180 initial nodes too.""" |
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181 remaining = set(nodes) |
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182 seen = set(remaining) |
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183 while remaining: |
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184 current = remaining.pop() |
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185 yield current |
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186 for mark in obsstore.successors.get(current, ()): |
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187 # ignore marker flagged with specified flag |
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188 if mark[2] & ignoreflags: |
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189 continue |
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190 for suc in mark[1]: |
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191 if suc not in seen: |
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192 seen.add(suc) |
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193 remaining.add(suc) |
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194 |
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195 |
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196 def _filterprunes(markers): |
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197 """return a set with no prune markers""" |
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198 return {m for m in markers if m[1]} |
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199 |
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200 |
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201 def exclusivemarkers(repo, nodes): |
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202 """set of markers relevant to "nodes" but no other locally-known nodes |
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203 |
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204 This function compute the set of markers "exclusive" to a locally-known |
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205 node. This means we walk the markers starting from <nodes> until we reach a |
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206 locally-known precursors outside of <nodes>. Element of <nodes> with |
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207 locally-known successors outside of <nodes> are ignored (since their |
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208 precursors markers are also relevant to these successors). |
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209 |
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210 For example: |
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211 |
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212 # (A0 rewritten as A1) |
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213 # |
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214 # A0 <-1- A1 # Marker "1" is exclusive to A1 |
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215 |
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216 or |
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217 |
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218 # (A0 rewritten as AX; AX rewritten as A1; AX is unkown locally) |
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219 # |
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220 # <-1- A0 <-2- AX <-3- A1 # Marker "2,3" are exclusive to A1 |
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221 |
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222 or |
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223 |
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224 # (A0 has unknown precursors, A0 rewritten as A1 and A2 (divergence)) |
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225 # |
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226 # <-2- A1 # Marker "2" is exclusive to A0,A1 |
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227 # / |
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228 # <-1- A0 |
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229 # \ |
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230 # <-3- A2 # Marker "3" is exclusive to A0,A2 |
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231 # |
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232 # in addition: |
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233 # |
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234 # Markers "2,3" are exclusive to A1,A2 |
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235 # Markers "1,2,3" are exclusive to A0,A1,A2 |
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236 |
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237 See test/test-obsolete-bundle-strip.t for more examples. |
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238 |
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239 An example usage is strip. When stripping a changeset, we also want to |
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240 strip the markers exclusive to this changeset. Otherwise we would have |
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241 "dangling"" obsolescence markers from its precursors: Obsolescence markers |
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242 marking a node as obsolete without any successors available locally. |
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243 |
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244 As for relevant markers, the prune markers for children will be followed. |
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245 Of course, they will only be followed if the pruned children is |
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246 locally-known. Since the prune markers are relevant to the pruned node. |
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247 However, while prune markers are considered relevant to the parent of the |
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248 pruned changesets, prune markers for locally-known changeset (with no |
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249 successors) are considered exclusive to the pruned nodes. This allows |
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250 to strip the prune markers (with the rest of the exclusive chain) alongside |
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251 the pruned changesets. |
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252 """ |
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253 # running on a filtered repository would be dangerous as markers could be |
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254 # reported as exclusive when they are relevant for other filtered nodes. |
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255 unfi = repo.unfiltered() |
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256 |
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257 # shortcut to various useful item |
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258 has_node = unfi.changelog.index.has_node |
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259 precursorsmarkers = unfi.obsstore.predecessors |
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260 successormarkers = unfi.obsstore.successors |
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261 childrenmarkers = unfi.obsstore.children |
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262 |
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263 # exclusive markers (return of the function) |
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264 exclmarkers = set() |
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265 # we need fast membership testing |
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266 nodes = set(nodes) |
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267 # looking for head in the obshistory |
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268 # |
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269 # XXX we are ignoring all issues in regard with cycle for now. |
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270 stack = [n for n in nodes if not _filterprunes(successormarkers.get(n, ()))] |
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271 stack.sort() |
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272 # nodes already stacked |
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273 seennodes = set(stack) |
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274 while stack: |
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275 current = stack.pop() |
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276 # fetch precursors markers |
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277 markers = list(precursorsmarkers.get(current, ())) |
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278 # extend the list with prune markers |
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279 for mark in successormarkers.get(current, ()): |
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280 if not mark[1]: |
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281 markers.append(mark) |
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282 # and markers from children (looking for prune) |
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283 for mark in childrenmarkers.get(current, ()): |
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284 if not mark[1]: |
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285 markers.append(mark) |
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286 # traverse the markers |
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287 for mark in markers: |
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288 if mark in exclmarkers: |
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289 # markers already selected |
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290 continue |
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291 |
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292 # If the markers is about the current node, select it |
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293 # |
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294 # (this delay the addition of markers from children) |
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295 if mark[1] or mark[0] == current: |
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296 exclmarkers.add(mark) |
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297 |
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298 # should we keep traversing through the precursors? |
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299 prec = mark[0] |
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300 |
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301 # nodes in the stack or already processed |
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302 if prec in seennodes: |
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303 continue |
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304 |
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305 # is this a locally known node ? |
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306 known = has_node(prec) |
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307 # if locally-known and not in the <nodes> set the traversal |
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308 # stop here. |
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309 if known and prec not in nodes: |
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310 continue |
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311 |
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312 # do not keep going if there are unselected markers pointing to this |
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313 # nodes. If we end up traversing these unselected markers later the |
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314 # node will be taken care of at that point. |
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315 precmarkers = _filterprunes(successormarkers.get(prec)) |
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316 if precmarkers.issubset(exclmarkers): |
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317 seennodes.add(prec) |
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318 stack.append(prec) |
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319 |
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320 return exclmarkers |
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321 |
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322 |
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323 def foreground(repo, nodes): |
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324 """return all nodes in the "foreground" of other node |
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325 |
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326 The foreground of a revision is anything reachable using parent -> children |
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327 or precursor -> successor relation. It is very similar to "descendant" but |
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328 augmented with obsolescence information. |
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329 |
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330 Beware that possible obsolescence cycle may result if complex situation. |
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331 """ |
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332 repo = repo.unfiltered() |
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333 foreground = set(repo.set(b'%ln::', nodes)) |
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334 if repo.obsstore: |
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335 # We only need this complicated logic if there is obsolescence |
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336 # XXX will probably deserve an optimised revset. |
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337 has_node = repo.changelog.index.has_node |
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338 plen = -1 |
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339 # compute the whole set of successors or descendants |
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340 while len(foreground) != plen: |
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341 plen = len(foreground) |
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342 succs = {c.node() for c in foreground} |
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343 mutable = [c.node() for c in foreground if c.mutable()] |
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344 succs.update(allsuccessors(repo.obsstore, mutable)) |
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345 known = (n for n in succs if has_node(n)) |
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346 foreground = set(repo.set(b'%ln::', known)) |
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347 return {c.node() for c in foreground} |
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348 |
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349 |
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350 # effectflag field |
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351 # |
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352 # Effect-flag is a 1-byte bit field used to store what changed between a |
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353 # changeset and its successor(s). |
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354 # |
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355 # The effect flag is stored in obs-markers metadata while we iterate on the |
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356 # information design. That's why we have the EFFECTFLAGFIELD. If we come up |
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357 # with an incompatible design for effect flag, we can store a new design under |
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358 # another field name so we don't break readers. We plan to extend the existing |
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359 # obsmarkers bit-field when the effect flag design will be stabilized. |
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360 # |
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361 # The effect-flag is placed behind an experimental flag |
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362 # `effect-flags` set to off by default. |
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363 # |
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364 |
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365 EFFECTFLAGFIELD = b"ef1" |
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366 |
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367 DESCCHANGED = 1 << 0 # action changed the description |
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368 METACHANGED = 1 << 1 # action change the meta |
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369 DIFFCHANGED = 1 << 3 # action change diff introduced by the changeset |
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370 PARENTCHANGED = 1 << 2 # action change the parent |
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371 USERCHANGED = 1 << 4 # the user changed |
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372 DATECHANGED = 1 << 5 # the date changed |
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373 BRANCHCHANGED = 1 << 6 # the branch changed |
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374 |
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375 METABLACKLIST = [ |
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376 re.compile(b'^branch$'), |
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377 re.compile(b'^.*-source$'), |
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378 re.compile(b'^.*_source$'), |
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379 re.compile(b'^source$'), |
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380 ] |
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381 |
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382 |
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383 def metanotblacklisted(metaitem): |
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384 """ Check that the key of a meta item (extrakey, extravalue) does not |
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385 match at least one of the blacklist pattern |
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386 """ |
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387 metakey = metaitem[0] |
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388 |
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389 return not any(pattern.match(metakey) for pattern in METABLACKLIST) |
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390 |
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391 |
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392 def _prepare_hunk(hunk): |
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393 """Drop all information but the username and patch""" |
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394 cleanhunk = [] |
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395 for line in hunk.splitlines(): |
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396 if line.startswith(b'# User') or not line.startswith(b'#'): |
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397 if line.startswith(b'@@'): |
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398 line = b'@@\n' |
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399 cleanhunk.append(line) |
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400 return cleanhunk |
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401 |
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402 |
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403 def _getdifflines(iterdiff): |
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404 """return a cleaned up lines""" |
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405 lines = next(iterdiff, None) |
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406 |
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407 if lines is None: |
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408 return lines |
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409 |
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410 return _prepare_hunk(lines) |
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411 |
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412 |
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413 def _cmpdiff(leftctx, rightctx): |
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414 """return True if both ctx introduce the "same diff" |
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415 |
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416 This is a first and basic implementation, with many shortcoming. |
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417 """ |
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418 diffopts = diffutil.diffallopts(leftctx.repo().ui, {b'git': True}) |
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419 |
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420 # Leftctx or right ctx might be filtered, so we need to use the contexts |
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421 # with an unfiltered repository to safely compute the diff |
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422 |
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423 # leftctx and rightctx can be from different repository views in case of |
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424 # hgsubversion, do don't try to access them from same repository |
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425 # rightctx.repo() and leftctx.repo() are not always the same |
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426 leftunfi = leftctx._repo.unfiltered()[leftctx.rev()] |
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427 leftdiff = leftunfi.diff(opts=diffopts) |
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428 rightunfi = rightctx._repo.unfiltered()[rightctx.rev()] |
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429 rightdiff = rightunfi.diff(opts=diffopts) |
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430 |
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431 left, right = (0, 0) |
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432 while None not in (left, right): |
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433 left = _getdifflines(leftdiff) |
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434 right = _getdifflines(rightdiff) |
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435 |
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436 if left != right: |
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437 return False |
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438 return True |
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439 |
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440 |
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441 def geteffectflag(source, successors): |
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442 """ From an obs-marker relation, compute what changed between the |
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443 predecessor and the successor. |
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444 """ |
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445 effects = 0 |
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446 |
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447 for changectx in successors: |
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448 # Check if description has changed |
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449 if changectx.description() != source.description(): |
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|
450 effects |= DESCCHANGED |
51aadc0d0da2
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changeset
|
451 |
34416
55ef17ec8e59
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diff
changeset
|
452 # Check if user has changed |
55ef17ec8e59
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|
453 if changectx.user() != source.user(): |
55ef17ec8e59
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|
454 effects |= USERCHANGED |
55ef17ec8e59
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diff
changeset
|
455 |
34417
54af8de9bd09
effectflag: detect when date changed
Boris Feld <boris.feld@octobus.net>
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diff
changeset
|
456 # Check if date has changed |
54af8de9bd09
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diff
changeset
|
457 if changectx.date() != source.date(): |
54af8de9bd09
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changeset
|
458 effects |= DATECHANGED |
54af8de9bd09
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diff
changeset
|
459 |
34418
57980af73cfa
effectflag: detect when branch changed
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parents:
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diff
changeset
|
460 # Check if branch has changed |
57980af73cfa
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changeset
|
461 if changectx.branch() != source.branch(): |
57980af73cfa
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|
462 effects |= BRANCHCHANGED |
57980af73cfa
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changeset
|
463 |
34419
fa26f5891e68
effectflag: detect when parents changed
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changeset
|
464 # Check if at least one of the parent has changed |
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|
465 if changectx.parents() != source.parents(): |
fa26f5891e68
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changeset
|
466 effects |= PARENTCHANGED |
fa26f5891e68
effectflag: detect when parents changed
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parents:
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diff
changeset
|
467 |
34420
95759620d492
effectflag: detect when meta changed
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parents:
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diff
changeset
|
468 # Check if other meta has changed |
95759620d492
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changeset
|
469 changeextra = changectx.extra().items() |
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|
470 ctxmeta = list(filter(metanotblacklisted, changeextra)) |
34420
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changeset
|
471 |
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changeset
|
472 sourceextra = source.extra().items() |
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|
473 srcmeta = list(filter(metanotblacklisted, sourceextra)) |
34420
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changeset
|
474 |
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changeset
|
475 if ctxmeta != srcmeta: |
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changeset
|
476 effects |= METACHANGED |
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diff
changeset
|
477 |
34421
187bc224554a
effectflag: detect when diff changed
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parents:
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diff
changeset
|
478 # Check if the diff has changed |
187bc224554a
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diff
changeset
|
479 if not _cmpdiff(source, changectx): |
187bc224554a
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parents:
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|
480 effects |= DIFFCHANGED |
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changeset
|
481 |
34413
014d467f9d08
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changeset
|
482 return effects |
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|
483 |
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|
484 |
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changeset
|
485 def getobsoleted(repo, tr=None, changes=None): |
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changeset
|
486 """return the set of pre-existing revisions obsoleted by a transaction |
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diff
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|
487 |
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changeset
|
488 Either the transaction or changes item of the transaction (for hooks) |
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changeset
|
489 must be provided, but not both. |
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|
490 """ |
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changeset
|
491 if (tr is None) == (changes is None): |
04ef381000a8
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changeset
|
492 e = b"exactly one of tr and changes must be provided" |
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|
493 raise error.ProgrammingError(e) |
43557
acaff50079ff
index: use `index.get_rev` in `obsutil.getobsoleted`
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diff
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|
494 torev = repo.unfiltered().changelog.index.get_rev |
33252
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|
495 phase = repo._phasecache.phase |
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|
496 succsmarkers = repo.obsstore.successors.get |
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|
497 public = phases.public |
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|
498 if changes is None: |
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changeset
|
499 changes = tr.changes |
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changeset
|
500 addedmarkers = changes[b'obsmarkers'] |
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diff
changeset
|
501 origrepolen = changes[b'origrepolen'] |
35308
137a08d82232
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Joerg Sonnenberger <joerg@bec.de>
parents:
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diff
changeset
|
502 seenrevs = set() |
33252
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changeset
|
503 obsoleted = set() |
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changeset
|
504 for mark in addedmarkers: |
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|
505 node = mark[0] |
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changeset
|
506 rev = torev(node) |
39301
5763216ba311
transaction: remember original len(repo) instead of tracking added revs (API)
Yuya Nishihara <yuya@tcha.org>
parents:
39300
diff
changeset
|
507 if rev is None or rev in seenrevs or rev >= origrepolen: |
33252
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changeset
|
508 continue |
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changeset
|
509 seenrevs.add(rev) |
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|
510 if phase(repo, rev) == public: |
53b3a1968aa6
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33149
diff
changeset
|
511 continue |
33713
888f24810ea2
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33274
diff
changeset
|
512 if set(succsmarkers(node) or []).issubset(addedmarkers): |
33252
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changeset
|
513 obsoleted.add(rev) |
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changeset
|
514 return obsoleted |
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diff
changeset
|
515 |
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parents:
41713
diff
changeset
|
516 |
33909
84f72072bde6
obsolete: introduce a _succs class
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33857
diff
changeset
|
517 class _succs(list): |
84f72072bde6
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parents:
33857
diff
changeset
|
518 """small class to represent a successors with some metadata about it""" |
84f72072bde6
obsolete: introduce a _succs class
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33857
diff
changeset
|
519 |
33911
34e10e09afa5
obsolete: track markers in _succs
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parents:
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diff
changeset
|
520 def __init__(self, *args, **kwargs): |
34e10e09afa5
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changeset
|
521 super(_succs, self).__init__(*args, **kwargs) |
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diff
changeset
|
522 self.markers = set() |
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parents:
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diff
changeset
|
523 |
33910
dba493981284
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parents:
33909
diff
changeset
|
524 def copy(self): |
33911
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diff
changeset
|
525 new = _succs(self) |
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changeset
|
526 new.markers = self.markers.copy() |
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diff
changeset
|
527 return new |
33910
dba493981284
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parents:
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diff
changeset
|
528 |
33941
c0bbaefc2c5a
obsolete: move merge logic on the smaller object
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parents:
33912
diff
changeset
|
529 @util.propertycache |
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parents:
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diff
changeset
|
530 def _set(self): |
c0bbaefc2c5a
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parents:
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diff
changeset
|
531 # immutable |
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diff
changeset
|
532 return set(self) |
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obsolete: move merge logic on the smaller object
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parents:
33912
diff
changeset
|
533 |
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parents:
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diff
changeset
|
534 def canmerge(self, other): |
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diff
changeset
|
535 return self._set.issubset(other._set) |
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parents:
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diff
changeset
|
536 |
43076
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parents:
41713
diff
changeset
|
537 |
33274
68f3e819d41d
obsolete: closest divergent support
Boris Feld <boris.feld@octobus.net>
parents:
33272
diff
changeset
|
538 def successorssets(repo, initialnode, closest=False, cache=None): |
33142
4f49810a1011
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diff
changeset
|
539 """Return set of all latest successors of initial nodes |
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diff
changeset
|
540 |
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diff
changeset
|
541 The successors set of a changeset A are the group of revisions that succeed |
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diff
changeset
|
542 A. It succeeds A as a consistent whole, each revision being only a partial |
33274
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parents:
33272
diff
changeset
|
543 replacement. By default, the successors set contains non-obsolete |
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parents:
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diff
changeset
|
544 changesets only, walking the obsolescence graph until reaching a leaf. If |
68f3e819d41d
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parents:
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diff
changeset
|
545 'closest' is set to True, closest successors-sets are return (the |
68f3e819d41d
obsolete: closest divergent support
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diff
changeset
|
546 obsolescence walk stops on known changesets). |
33142
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diff
changeset
|
547 |
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changeset
|
548 This function returns the full list of successor sets which is why it |
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diff
changeset
|
549 returns a list of tuples and not just a single tuple. Each tuple is a valid |
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diff
changeset
|
550 successors set. Note that (A,) may be a valid successors set for changeset A |
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diff
changeset
|
551 (see below). |
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diff
changeset
|
552 |
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changeset
|
553 In most cases, a changeset A will have a single element (e.g. the changeset |
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changeset
|
554 A is replaced by A') in its successors set. Though, it is also common for a |
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changeset
|
555 changeset A to have no elements in its successor set (e.g. the changeset |
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diff
changeset
|
556 has been pruned). Therefore, the returned list of successors sets will be |
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changeset
|
557 [(A',)] or [], respectively. |
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changeset
|
558 |
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changeset
|
559 When a changeset A is split into A' and B', however, it will result in a |
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changeset
|
560 successors set containing more than a single element, i.e. [(A',B')]. |
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changeset
|
561 Divergent changesets will result in multiple successors sets, i.e. [(A',), |
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562 (A'')]. |
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563 |
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564 If a changeset A is not obsolete, then it will conceptually have no |
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565 successors set. To distinguish this from a pruned changeset, the successor |
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566 set will contain itself only, i.e. [(A,)]. |
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567 |
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568 Finally, final successors unknown locally are considered to be pruned |
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569 (pruned: obsoleted without any successors). (Final: successors not affected |
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570 by markers). |
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571 |
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572 The 'closest' mode respect the repoview filtering. For example, without |
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573 filter it will stop at the first locally known changeset, with 'visible' |
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574 filter it will stop on visible changesets). |
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575 |
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576 The optional `cache` parameter is a dictionary that may contains |
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577 precomputed successors sets. It is meant to reuse the computation of a |
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578 previous call to `successorssets` when multiple calls are made at the same |
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579 time. The cache dictionary is updated in place. The caller is responsible |
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580 for its life span. Code that makes multiple calls to `successorssets` |
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581 *should* use this cache mechanism or risk a performance hit. |
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582 |
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583 Since results are different depending of the 'closest' most, the same cache |
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584 cannot be reused for both mode. |
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585 """ |
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586 |
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587 succmarkers = repo.obsstore.successors |
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588 |
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589 # Stack of nodes we search successors sets for |
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590 toproceed = [initialnode] |
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591 # set version of above list for fast loop detection |
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592 # element added to "toproceed" must be added here |
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593 stackedset = set(toproceed) |
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594 if cache is None: |
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595 cache = {} |
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596 |
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597 # This while loop is the flattened version of a recursive search for |
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598 # successors sets |
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599 # |
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600 # def successorssets(x): |
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601 # successors = directsuccessors(x) |
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602 # ss = [[]] |
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603 # for succ in directsuccessors(x): |
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604 # # product as in itertools cartesian product |
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605 # ss = product(ss, successorssets(succ)) |
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606 # return ss |
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607 # |
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608 # But we can not use plain recursive calls here: |
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609 # - that would blow the python call stack |
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610 # - obsolescence markers may have cycles, we need to handle them. |
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611 # |
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612 # The `toproceed` list act as our call stack. Every node we search |
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613 # successors set for are stacked there. |
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614 # |
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615 # The `stackedset` is set version of this stack used to check if a node is |
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616 # already stacked. This check is used to detect cycles and prevent infinite |
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617 # loop. |
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618 # |
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619 # successors set of all nodes are stored in the `cache` dictionary. |
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620 # |
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621 # After this while loop ends we use the cache to return the successors sets |
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622 # for the node requested by the caller. |
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623 while toproceed: |
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624 # Every iteration tries to compute the successors sets of the topmost |
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625 # node of the stack: CURRENT. |
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626 # |
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627 # There are four possible outcomes: |
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628 # |
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629 # 1) We already know the successors sets of CURRENT: |
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630 # -> mission accomplished, pop it from the stack. |
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631 # 2) Stop the walk: |
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632 # default case: Node is not obsolete |
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633 # closest case: Node is known at this repo filter level |
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634 # -> the node is its own successors sets. Add it to the cache. |
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635 # 3) We do not know successors set of direct successors of CURRENT: |
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636 # -> We add those successors to the stack. |
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637 # 4) We know successors sets of all direct successors of CURRENT: |
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638 # -> We can compute CURRENT successors set and add it to the |
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639 # cache. |
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640 # |
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641 current = toproceed[-1] |
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642 |
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643 # case 2 condition is a bit hairy because of closest, |
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644 # we compute it on its own |
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645 case2condition = (current not in succmarkers) or ( |
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646 closest and current != initialnode and current in repo |
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647 ) |
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648 |
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649 if current in cache: |
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650 # case (1): We already know the successors sets |
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651 stackedset.remove(toproceed.pop()) |
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652 elif case2condition: |
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653 # case (2): end of walk. |
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654 if current in repo: |
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655 # We have a valid successors. |
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656 cache[current] = [_succs((current,))] |
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657 else: |
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658 # Final obsolete version is unknown locally. |
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659 # Do not count that as a valid successors |
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660 cache[current] = [] |
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661 else: |
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662 # cases (3) and (4) |
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663 # |
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664 # We proceed in two phases. Phase 1 aims to distinguish case (3) |
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665 # from case (4): |
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666 # |
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667 # For each direct successors of CURRENT, we check whether its |
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668 # successors sets are known. If they are not, we stack the |
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669 # unknown node and proceed to the next iteration of the while |
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670 # loop. (case 3) |
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671 # |
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672 # During this step, we may detect obsolescence cycles: a node |
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673 # with unknown successors sets but already in the call stack. |
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674 # In such a situation, we arbitrary set the successors sets of |
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675 # the node to nothing (node pruned) to break the cycle. |
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676 # |
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677 # If no break was encountered we proceed to phase 2. |
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678 # |
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679 # Phase 2 computes successors sets of CURRENT (case 4); see details |
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680 # in phase 2 itself. |
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681 # |
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682 # Note the two levels of iteration in each phase. |
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683 # - The first one handles obsolescence markers using CURRENT as |
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684 # precursor (successors markers of CURRENT). |
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685 # |
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686 # Having multiple entry here means divergence. |
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687 # |
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688 # - The second one handles successors defined in each marker. |
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689 # |
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690 # Having none means pruned node, multiple successors means split, |
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691 # single successors are standard replacement. |
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692 # |
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693 for mark in sortedmarkers(succmarkers[current]): |
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694 for suc in mark[1]: |
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695 if suc not in cache: |
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696 if suc in stackedset: |
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697 # cycle breaking |
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698 cache[suc] = [] |
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699 else: |
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700 # case (3) If we have not computed successors sets |
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701 # of one of those successors we add it to the |
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702 # `toproceed` stack and stop all work for this |
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703 # iteration. |
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704 toproceed.append(suc) |
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705 stackedset.add(suc) |
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706 break |
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707 else: |
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708 continue |
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709 break |
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710 else: |
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711 # case (4): we know all successors sets of all direct |
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712 # successors |
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713 # |
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714 # Successors set contributed by each marker depends on the |
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715 # successors sets of all its "successors" node. |
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716 # |
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717 # Each different marker is a divergence in the obsolescence |
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718 # history. It contributes successors sets distinct from other |
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719 # markers. |
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720 # |
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721 # Within a marker, a successor may have divergent successors |
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722 # sets. In such a case, the marker will contribute multiple |
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723 # divergent successors sets. If multiple successors have |
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724 # divergent successors sets, a Cartesian product is used. |
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725 # |
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726 # At the end we post-process successors sets to remove |
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727 # duplicated entry and successors set that are strict subset of |
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728 # another one. |
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729 succssets = [] |
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730 for mark in sortedmarkers(succmarkers[current]): |
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731 # successors sets contributed by this marker |
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732 base = _succs() |
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733 base.markers.add(mark) |
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734 markss = [base] |
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735 for suc in mark[1]: |
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736 # cardinal product with previous successors |
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737 productresult = [] |
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738 for prefix in markss: |
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739 for suffix in cache[suc]: |
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740 newss = prefix.copy() |
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741 newss.markers.update(suffix.markers) |
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742 for part in suffix: |
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743 # do not duplicated entry in successors set |
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744 # first entry wins. |
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745 if part not in newss: |
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746 newss.append(part) |
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747 productresult.append(newss) |
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748 if productresult: |
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749 markss = productresult |
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750 succssets.extend(markss) |
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751 # remove duplicated and subset |
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752 seen = [] |
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753 final = [] |
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754 candidates = sorted( |
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755 (s for s in succssets if s), key=len, reverse=True |
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756 ) |
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757 for cand in candidates: |
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758 for seensuccs in seen: |
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759 if cand.canmerge(seensuccs): |
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760 seensuccs.markers.update(cand.markers) |
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761 break |
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762 else: |
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763 final.append(cand) |
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764 seen.append(cand) |
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765 final.reverse() # put small successors set first |
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766 cache[current] = final |
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767 return cache[initialnode] |
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768 |
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769 |
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770 def successorsandmarkers(repo, ctx): |
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771 """compute the raw data needed for computing obsfate |
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772 Returns a list of dict, one dict per successors set |
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773 """ |
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774 if not ctx.obsolete(): |
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775 return None |
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776 |
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|
777 ssets = successorssets(repo, ctx.node(), closest=True) |
e278d6d2d7d2
template: add minimal obsfate template function
Boris Feld <boris.feld@octobus.net>
parents:
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diff
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|
778 |
33996
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
779 # closestsuccessors returns an empty list for pruned revisions, remap it |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
780 # into a list containing an empty list for future processing |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
781 if ssets == []: |
98fa777cd7a1
template: better prune support in obsfate
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parents:
33995
diff
changeset
|
782 ssets = [[]] |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
783 |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
784 # Try to recover pruned markers |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
785 succsmap = repo.obsstore.successors |
43076
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formatting: blacken the codebase
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parents:
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diff
changeset
|
786 fullsuccessorsets = [] # successor set + markers |
33996
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
787 for sset in ssets: |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
788 if sset: |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
789 fullsuccessorsets.append(sset) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
790 else: |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
791 # successorsset return an empty set() when ctx or one of its |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
792 # successors is pruned. |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
793 # In this case, walk the obs-markers tree again starting with ctx |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
794 # and find the relevant pruning obs-makers, the ones without |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
795 # successors. |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
796 # Having these markers allow us to compute some information about |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
797 # its fate, like who pruned this changeset and when. |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
798 |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
799 # XXX we do not catch all prune markers (eg rewritten then pruned) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
800 # (fix me later) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
801 foundany = False |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
802 for mark in succsmap.get(ctx.node(), ()): |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
803 if not mark[1]: |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
804 foundany = True |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
805 sset = _succs() |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
806 sset.markers.add(mark) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
807 fullsuccessorsets.append(sset) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
808 if not foundany: |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
809 fullsuccessorsets.append(_succs()) |
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
810 |
33912
e278d6d2d7d2
template: add minimal obsfate template function
Boris Feld <boris.feld@octobus.net>
parents:
33911
diff
changeset
|
811 values = [] |
33996
98fa777cd7a1
template: better prune support in obsfate
Boris Feld <boris.feld@octobus.net>
parents:
33995
diff
changeset
|
812 for sset in fullsuccessorsets: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
813 values.append({b'successors': sset, b'markers': sset.markers}) |
33912
e278d6d2d7d2
template: add minimal obsfate template function
Boris Feld <boris.feld@octobus.net>
parents:
33911
diff
changeset
|
814 |
e278d6d2d7d2
template: add minimal obsfate template function
Boris Feld <boris.feld@octobus.net>
parents:
33911
diff
changeset
|
815 return values |
33993
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
816 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
817 |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
818 def _getobsfate(successorssets): |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
819 """ Compute a changeset obsolescence fate based on its successorssets. |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
820 Successors can be the tipmost ones or the immediate ones. This function |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
821 return values are not meant to be shown directly to users, it is meant to |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
822 be used by internal functions only. |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
823 Returns one fate from the following values: |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
824 - pruned |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
825 - diverged |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
826 - superseded |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
827 - superseded_split |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
828 """ |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
829 |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
830 if len(successorssets) == 0: |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
831 # The commit has been pruned |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
832 return b'pruned' |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
833 elif len(successorssets) > 1: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
834 return b'diverged' |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
835 else: |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
836 # No divergence, only one set of successors |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
837 successors = successorssets[0] |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
838 |
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
839 if len(successors) == 1: |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
840 return b'superseded' |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
841 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
842 return b'superseded_split' |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
843 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
844 |
35010
b81ad5b78a81
obsfate: makes successorsetverb takes the markers as argument
Boris Feld <boris.feld@octobus.net>
parents:
34873
diff
changeset
|
845 def obsfateverb(successorset, markers): |
b81ad5b78a81
obsfate: makes successorsetverb takes the markers as argument
Boris Feld <boris.feld@octobus.net>
parents:
34873
diff
changeset
|
846 """ Return the verb summarizing the successorset and potentially using |
b81ad5b78a81
obsfate: makes successorsetverb takes the markers as argument
Boris Feld <boris.feld@octobus.net>
parents:
34873
diff
changeset
|
847 information from the markers |
33993
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
848 """ |
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
849 if not successorset: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
850 verb = b'pruned' |
33993
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
851 elif len(successorset) == 1: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
852 verb = b'rewritten' |
33993
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
853 else: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
854 verb = b'split' |
33993
3d0f8918351b
template: compute verb in obsfateverb
Boris Feld <boris.feld@octobus.net>
parents:
33942
diff
changeset
|
855 return verb |
33994
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
856 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
857 |
33995
c35c0f54f420
template: compute dates in obsfatedate
Boris Feld <boris.feld@octobus.net>
parents:
33994
diff
changeset
|
858 def markersdates(markers): |
c35c0f54f420
template: compute dates in obsfatedate
Boris Feld <boris.feld@octobus.net>
parents:
33994
diff
changeset
|
859 """returns the list of dates for a list of markers |
c35c0f54f420
template: compute dates in obsfatedate
Boris Feld <boris.feld@octobus.net>
parents:
33994
diff
changeset
|
860 """ |
c35c0f54f420
template: compute dates in obsfatedate
Boris Feld <boris.feld@octobus.net>
parents:
33994
diff
changeset
|
861 return [m[4] for m in markers] |
c35c0f54f420
template: compute dates in obsfatedate
Boris Feld <boris.feld@octobus.net>
parents:
33994
diff
changeset
|
862 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
863 |
33994
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
864 def markersusers(markers): |
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
865 """ Returns a sorted list of markers users without duplicates |
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
866 """ |
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
867 markersmeta = [dict(m[3]) for m in markers] |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43661
diff
changeset
|
868 users = { |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
869 encoding.tolocal(meta[b'user']) |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
870 for meta in markersmeta |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
871 if meta.get(b'user') |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43661
diff
changeset
|
872 } |
33994
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
873 |
38f08eaba6b0
template: compute user in obsfateusers
Boris Feld <boris.feld@octobus.net>
parents:
33993
diff
changeset
|
874 return sorted(users) |
34287
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
875 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
876 |
34287
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
877 def markersoperations(markers): |
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
878 """ Returns a sorted list of markers operations without duplicates |
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
879 """ |
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
880 markersmeta = [dict(m[3]) for m in markers] |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43661
diff
changeset
|
881 operations = { |
43077
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formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
882 meta.get(b'operation') for meta in markersmeta if meta.get(b'operation') |
44452
9d2b2df2c2ba
cleanup: run pyupgrade on our source tree to clean up varying things
Augie Fackler <augie@google.com>
parents:
43661
diff
changeset
|
883 } |
34287
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
884 |
7cdc8c5a481a
templates: introduce a obsfateoperation() function
Martin von Zweigbergk <martinvonz@google.com>
parents:
33996
diff
changeset
|
885 return sorted(operations) |
34847
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
886 |
43076
2372284d9457
formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
887 |
37328
11d51e518808
obsutil: make obsfateprinter() less dependent on templater
Yuya Nishihara <yuya@tcha.org>
parents:
36954
diff
changeset
|
888 def obsfateprinter(ui, repo, successors, markers, formatctx): |
34847
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
889 """ Build a obsfate string for a single successorset using all obsfate |
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
890 related function defined in obsutil |
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
891 """ |
34850
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
892 quiet = ui.quiet |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
893 verbose = ui.verbose |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
894 normal = not verbose and not quiet |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
895 |
34847
e27f1f04c2cf
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parents:
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diff
changeset
|
896 line = [] |
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
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diff
changeset
|
897 |
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
898 # Verb |
35010
b81ad5b78a81
obsfate: makes successorsetverb takes the markers as argument
Boris Feld <boris.feld@octobus.net>
parents:
34873
diff
changeset
|
899 line.append(obsfateverb(successors, markers)) |
34847
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
900 |
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
901 # Operations |
e27f1f04c2cf
templatekw: introduce obsfate keyword
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parents:
34422
diff
changeset
|
902 operations = markersoperations(markers) |
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
903 if operations: |
43077
687b865b95ad
formatting: byteify all mercurial/ and hgext/ string literals
Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
904 line.append(b" using %s" % b", ".join(operations)) |
34847
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parents:
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diff
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|
905 |
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
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diff
changeset
|
906 # Successors |
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
907 if successors: |
37328
11d51e518808
obsutil: make obsfateprinter() less dependent on templater
Yuya Nishihara <yuya@tcha.org>
parents:
36954
diff
changeset
|
908 fmtsuccessors = [formatctx(repo[succ]) for succ in successors] |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
909 line.append(b" as %s" % b", ".join(fmtsuccessors)) |
34847
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diff
changeset
|
910 |
e27f1f04c2cf
templatekw: introduce obsfate keyword
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parents:
34422
diff
changeset
|
911 # Users |
e27f1f04c2cf
templatekw: introduce obsfate keyword
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parents:
34422
diff
changeset
|
912 users = markersusers(markers) |
34850
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
913 # Filter out current user in not verbose mode to reduce amount of |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
914 # information |
62a4ccf9784a
obsfate: filter out current user if not in verbose
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parents:
34847
diff
changeset
|
915 if not verbose: |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
916 currentuser = ui.username(acceptempty=True) |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
917 if len(users) == 1 and currentuser in users: |
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
918 users = None |
34847
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
919 |
34850
62a4ccf9784a
obsfate: filter out current user if not in verbose
Boris Feld <boris.feld@octobus.net>
parents:
34847
diff
changeset
|
920 if (verbose or normal) and users: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
921 line.append(b" by %s" % b", ".join(users)) |
34847
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parents:
34422
diff
changeset
|
922 |
e27f1f04c2cf
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parents:
34422
diff
changeset
|
923 # Date |
e27f1f04c2cf
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parents:
34422
diff
changeset
|
924 dates = markersdates(markers) |
e27f1f04c2cf
templatekw: introduce obsfate keyword
Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
925 |
34873
aa849cf5d089
obsfate: fix obsfate_printer with empty date list
Boris Feld <boris.feld@octobus.net>
parents:
34851
diff
changeset
|
926 if dates and verbose: |
34851
6f53a53245a2
obsfate: only display date in verbose mode
Boris Feld <boris.feld@octobus.net>
parents:
34850
diff
changeset
|
927 min_date = min(dates) |
6f53a53245a2
obsfate: only display date in verbose mode
Boris Feld <boris.feld@octobus.net>
parents:
34850
diff
changeset
|
928 max_date = max(dates) |
34847
e27f1f04c2cf
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Boris Feld <boris.feld@octobus.net>
parents:
34422
diff
changeset
|
929 |
34851
6f53a53245a2
obsfate: only display date in verbose mode
Boris Feld <boris.feld@octobus.net>
parents:
34850
diff
changeset
|
930 if min_date == max_date: |
43077
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
931 fmtmin_date = dateutil.datestr(min_date, b'%Y-%m-%d %H:%M %1%2') |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
932 line.append(b" (at %s)" % fmtmin_date) |
34851
6f53a53245a2
obsfate: only display date in verbose mode
Boris Feld <boris.feld@octobus.net>
parents:
34850
diff
changeset
|
933 else: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
934 fmtmin_date = dateutil.datestr(min_date, b'%Y-%m-%d %H:%M %1%2') |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
935 fmtmax_date = dateutil.datestr(max_date, b'%Y-%m-%d %H:%M %1%2') |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
936 line.append(b" (between %s and %s)" % (fmtmin_date, fmtmax_date)) |
34847
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Boris Feld <boris.feld@octobus.net>
parents:
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diff
changeset
|
937 |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
938 return b"".join(line) |
35571
265cd9e19d26
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35308
diff
changeset
|
939 |
35609
c026547454dd
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parents:
35571
diff
changeset
|
940 |
c026547454dd
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parents:
35571
diff
changeset
|
941 filteredmsgtable = { |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
942 b"pruned": _(b"hidden revision '%s' is pruned"), |
687b865b95ad
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parents:
43076
diff
changeset
|
943 b"diverged": _(b"hidden revision '%s' has diverged"), |
687b865b95ad
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parents:
43076
diff
changeset
|
944 b"superseded": _(b"hidden revision '%s' was rewritten as: %s"), |
687b865b95ad
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parents:
43076
diff
changeset
|
945 b"superseded_split": _(b"hidden revision '%s' was split as: %s"), |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
946 b"superseded_split_several": _( |
43117
8ff1ecfadcd1
cleanup: join string literals that are already on one line
Martin von Zweigbergk <martinvonz@google.com>
parents:
43106
diff
changeset
|
947 b"hidden revision '%s' was split as: %s and %d more" |
43076
2372284d9457
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parents:
41713
diff
changeset
|
948 ), |
35609
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parents:
35571
diff
changeset
|
949 } |
c026547454dd
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Boris Feld <boris.feld@octobus.net>
parents:
35571
diff
changeset
|
950 |
43076
2372284d9457
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Augie Fackler <augie@google.com>
parents:
41713
diff
changeset
|
951 |
35610
22c42bfbe7ab
visibility: pass a normal repo to _getfilteredreason
Boris Feld <boris.feld@octobus.net>
parents:
35609
diff
changeset
|
952 def _getfilteredreason(repo, changeid, ctx): |
35571
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
953 """return a human-friendly string on why a obsolete changeset is hidden |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
954 """ |
35610
22c42bfbe7ab
visibility: pass a normal repo to _getfilteredreason
Boris Feld <boris.feld@octobus.net>
parents:
35609
diff
changeset
|
955 successors = successorssets(repo, ctx.node()) |
35571
265cd9e19d26
visibility: improve the message when accessing filtered obsolete rev
Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
956 fate = _getobsfate(successors) |
265cd9e19d26
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parents:
35308
diff
changeset
|
957 |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
958 # Be more precise in case the revision is superseded |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
959 if fate == b'pruned': |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
960 return filteredmsgtable[b'pruned'] % changeid |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
961 elif fate == b'diverged': |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
962 return filteredmsgtable[b'diverged'] % changeid |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
963 elif fate == b'superseded': |
35609
c026547454dd
visibility: make the filtered message translatable
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parents:
35571
diff
changeset
|
964 single_successor = nodemod.short(successors[0][0]) |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
965 return filteredmsgtable[b'superseded'] % (changeid, single_successor) |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
966 elif fate == b'superseded_split': |
35571
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
967 |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
968 succs = [] |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
969 for node_id in successors[0]: |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
970 succs.append(nodemod.short(node_id)) |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
971 |
265cd9e19d26
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parents:
35308
diff
changeset
|
972 if len(succs) <= 2: |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
973 fmtsuccs = b', '.join(succs) |
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
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diff
changeset
|
974 return filteredmsgtable[b'superseded_split'] % (changeid, fmtsuccs) |
35571
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
975 else: |
43077
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
976 firstsuccessors = b', '.join(succs[:2]) |
35571
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
977 remainingnumber = len(succs) - 2 |
265cd9e19d26
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Boris Feld <boris.feld@octobus.net>
parents:
35308
diff
changeset
|
978 |
35609
c026547454dd
visibility: make the filtered message translatable
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parents:
35571
diff
changeset
|
979 args = (changeid, firstsuccessors, remainingnumber) |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
980 return filteredmsgtable[b'superseded_split_several'] % args |
36954
efc4fb344c05
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parents:
36953
diff
changeset
|
981 |
43076
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diff
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|
982 |
36954
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Anton Shestakov <av6@dwimlabs.net>
parents:
36953
diff
changeset
|
983 def divergentsets(repo, ctx): |
efc4fb344c05
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parents:
36953
diff
changeset
|
984 """Compute sets of commits divergent with a given one""" |
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parents:
36953
diff
changeset
|
985 cache = {} |
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parents:
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diff
changeset
|
986 base = {} |
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parents:
36953
diff
changeset
|
987 for n in allpredecessors(repo.obsstore, [ctx.node()]): |
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parents:
36953
diff
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|
988 if n == ctx.node(): |
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parents:
36953
diff
changeset
|
989 # a node can't be a base for divergence with itself |
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parents:
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diff
changeset
|
990 continue |
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36953
diff
changeset
|
991 nsuccsets = successorssets(repo, n, cache) |
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parents:
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diff
changeset
|
992 for nsuccset in nsuccsets: |
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parents:
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diff
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|
993 if ctx.node() in nsuccset: |
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parents:
36953
diff
changeset
|
994 # we are only interested in *other* successor sets |
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parents:
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diff
changeset
|
995 continue |
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diff
changeset
|
996 if tuple(nsuccset) in base: |
efc4fb344c05
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parents:
36953
diff
changeset
|
997 # we already know the latest base for this divergency |
efc4fb344c05
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parents:
36953
diff
changeset
|
998 continue |
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parents:
36953
diff
changeset
|
999 base[tuple(nsuccset)] = n |
43076
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41713
diff
changeset
|
1000 return [ |
43077
687b865b95ad
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Augie Fackler <augie@google.com>
parents:
43076
diff
changeset
|
1001 {b'divergentnodes': divset, b'commonpredecessor': b} |
43106
d783f945a701
py3: finish porting iteritems() to pycompat and remove source transformer
Gregory Szorc <gregory.szorc@gmail.com>
parents:
43077
diff
changeset
|
1002 for divset, b in pycompat.iteritems(base) |
43076
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parents:
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diff
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|
1003 ] |
2372284d9457
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parents:
41713
diff
changeset
|
1004 |
36954
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diff
changeset
|
1005 |
efc4fb344c05
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diff
changeset
|
1006 def whyunstable(repo, ctx): |
efc4fb344c05
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36953
diff
changeset
|
1007 result = [] |
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1008 if ctx.orphan(): |
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1009 for parent in ctx.parents(): |
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1010 kind = None |
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1011 if parent.orphan(): |
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1012 kind = b'orphan' |
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1013 elif parent.obsolete(): |
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1014 kind = b'obsolete' |
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1015 if kind is not None: |
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1016 result.append( |
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1017 { |
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1018 b'instability': b'orphan', |
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1019 b'reason': b'%s parent' % kind, |
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1020 b'node': parent.hex(), |
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1021 } |
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1022 ) |
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1023 if ctx.phasedivergent(): |
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1024 predecessors = allpredecessors( |
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1025 repo.obsstore, [ctx.node()], ignoreflags=bumpedfix |
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1026 ) |
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1027 immutable = [ |
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1028 repo[p] for p in predecessors if p in repo and not repo[p].mutable() |
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1029 ] |
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1030 for predecessor in immutable: |
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1031 result.append( |
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1032 { |
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1033 b'instability': b'phase-divergent', |
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1034 b'reason': b'immutable predecessor', |
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1035 b'node': predecessor.hex(), |
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1036 } |
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1037 ) |
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1038 if ctx.contentdivergent(): |
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1039 dsets = divergentsets(repo, ctx) |
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1040 for dset in dsets: |
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1041 divnodes = [repo[n] for n in dset[b'divergentnodes']] |
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1042 result.append( |
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1043 { |
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1044 b'instability': b'content-divergent', |
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1045 b'divergentnodes': divnodes, |
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1046 b'reason': b'predecessor', |
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1047 b'node': nodemod.hex(dset[b'commonpredecessor']), |
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1048 } |
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1049 ) |
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1050 return result |