annotate mercurial/obsolete.py @ 19957:80aa912dcb2d stable

hgweb: add missing semicolon
author Takumi IINO <trot.thunder@gmail.com>
date Thu, 24 Oct 2013 21:37:13 +0900
parents d51c4d85ec23
children 28445179df90
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # obsolete.py - obsolete markers handling
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2 #
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3 # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org>
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4 # Logilab SA <contact@logilab.fr>
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5 #
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6 # This software may be used and distributed according to the terms of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 """Obsolete markers handling
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10
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11 An obsolete marker maps an old changeset to a list of new
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12 changesets. If the list of new changesets is empty, the old changeset
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13 is said to be "killed". Otherwise, the old changeset is being
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14 "replaced" by the new changesets.
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15
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16 Obsolete markers can be used to record and distribute changeset graph
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17 transformations performed by history rewriting operations, and help
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18 building new tools to reconciliate conflicting rewriting actions. To
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19 facilitate conflicts resolution, markers include various annotations
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20 besides old and news changeset identifiers, such as creation date or
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21 author name.
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22
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23 The old obsoleted changeset is called "precursor" and possible replacements are
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24 called "successors". Markers that used changeset X as a precursors are called
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25 "successor markers of X" because they hold information about the successors of
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26 X. Markers that use changeset Y as a successors are call "precursor markers of
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27 Y" because they hold information about the precursors of Y.
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28
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29 Examples:
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30
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31 - When changeset A is replacement by a changeset A', one marker is stored:
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32
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33 (A, (A'))
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34
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35 - When changesets A and B are folded into a new changeset C two markers are
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36 stored:
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37
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38 (A, (C,)) and (B, (C,))
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39
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40 - When changeset A is simply "pruned" from the graph, a marker in create:
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41
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42 (A, ())
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43
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44 - When changeset A is split into B and C, a single marker are used:
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45
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46 (A, (C, C))
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47
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48 We use a single marker to distinct the "split" case from the "divergence"
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49 case. If two independents operation rewrite the same changeset A in to A' and
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50 A'' when have an error case: divergent rewriting. We can detect it because
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51 two markers will be created independently:
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52
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53 (A, (B,)) and (A, (C,))
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54
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55 Format
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56 ------
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57
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58 Markers are stored in an append-only file stored in
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59 '.hg/store/obsstore'.
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60
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61 The file starts with a version header:
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62
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63 - 1 unsigned byte: version number, starting at zero.
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64
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65
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66 The header is followed by the markers. Each marker is made of:
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67
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68 - 1 unsigned byte: number of new changesets "R", could be zero.
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69
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70 - 1 unsigned 32-bits integer: metadata size "M" in bytes.
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71
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72 - 1 byte: a bit field. It is reserved for flags used in obsolete
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73 markers common operations, to avoid repeated decoding of metadata
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74 entries.
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75
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76 - 20 bytes: obsoleted changeset identifier.
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77
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78 - N*20 bytes: new changesets identifiers.
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79
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80 - M bytes: metadata as a sequence of nul-terminated strings. Each
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81 string contains a key and a value, separated by a color ':', without
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82 additional encoding. Keys cannot contain '\0' or ':' and values
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83 cannot contain '\0'.
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84 """
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85 import struct
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86 import util, base85, node
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87 from i18n import _
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88
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89 _pack = struct.pack
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90 _unpack = struct.unpack
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91
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92 _SEEK_END = 2 # os.SEEK_END was introduced in Python 2.5
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93
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94 # the obsolete feature is not mature enough to be enabled by default.
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95 # you have to rely on third party extension extension to enable this.
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96 _enabled = False
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97
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98 # data used for parsing and writing
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99 _fmversion = 0
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100 _fmfixed = '>BIB20s'
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101 _fmnode = '20s'
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102 _fmfsize = struct.calcsize(_fmfixed)
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103 _fnodesize = struct.calcsize(_fmnode)
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104
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105 ### obsolescence marker flag
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106
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107 ## bumpedfix flag
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108 #
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109 # When a changeset A' succeed to a changeset A which became public, we call A'
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110 # "bumped" because it's a successors of a public changesets
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111 #
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112 # o A' (bumped)
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113 # |`:
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114 # | o A
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115 # |/
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116 # o Z
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117 #
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118 # The way to solve this situation is to create a new changeset Ad as children
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119 # of A. This changeset have the same content than A'. So the diff from A to A'
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120 # is the same than the diff from A to Ad. Ad is marked as a successors of A'
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121 #
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122 # o Ad
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123 # |`:
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124 # | x A'
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125 # |'|
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126 # o | A
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127 # |/
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128 # o Z
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129 #
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130 # But by transitivity Ad is also a successors of A. To avoid having Ad marked
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131 # as bumped too, we add the `bumpedfix` flag to the marker. <A', (Ad,)>.
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132 # This flag mean that the successors express the changes between the public and
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133 # bumped version and fix the situation, breaking the transitivity of
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134 # "bumped" here.
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135 bumpedfix = 1
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136
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137 def _readmarkers(data):
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138 """Read and enumerate markers from raw data"""
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139 off = 0
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140 diskversion = _unpack('>B', data[off:off + 1])[0]
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141 off += 1
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142 if diskversion != _fmversion:
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143 raise util.Abort(_('parsing obsolete marker: unknown version %r')
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parents:
diff changeset
144 % diskversion)
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145
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146 # Loop on markers
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147 l = len(data)
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diff changeset
148 while off + _fmfsize <= l:
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diff changeset
149 # read fixed part
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150 cur = data[off:off + _fmfsize]
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151 off += _fmfsize
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diff changeset
152 nbsuc, mdsize, flags, pre = _unpack(_fmfixed, cur)
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153 # read replacement
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154 sucs = ()
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155 if nbsuc:
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156 s = (_fnodesize * nbsuc)
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diff changeset
157 cur = data[off:off + s]
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diff changeset
158 sucs = _unpack(_fmnode * nbsuc, cur)
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159 off += s
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160 # read metadata
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161 # (metadata will be decoded on demand)
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162 metadata = data[off:off + mdsize]
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diff changeset
163 if len(metadata) != mdsize:
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164 raise util.Abort(_('parsing obsolete marker: metadata is too '
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165 'short, %d bytes expected, got %d')
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parents: 17220
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166 % (mdsize, len(metadata)))
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167 off += mdsize
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168 yield (pre, sucs, flags, metadata)
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169
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170 def encodemeta(meta):
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171 """Return encoded metadata string to string mapping.
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172
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173 Assume no ':' in key and no '\0' in both key and value."""
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174 for key, value in meta.iteritems():
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175 if ':' in key or '\0' in key:
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176 raise ValueError("':' and '\0' are forbidden in metadata key'")
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177 if '\0' in value:
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178 raise ValueError("':' are forbidden in metadata value'")
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179 return '\0'.join(['%s:%s' % (k, meta[k]) for k in sorted(meta)])
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180
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181 def decodemeta(data):
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182 """Return string to string dictionary from encoded version."""
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183 d = {}
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diff changeset
184 for l in data.split('\0'):
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parents:
diff changeset
185 if l:
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diff changeset
186 key, value = l.split(':')
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187 d[key] = value
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188 return d
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189
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190 class marker(object):
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191 """Wrap obsolete marker raw data"""
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192
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193 def __init__(self, repo, data):
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194 # the repo argument will be used to create changectx in later version
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195 self._repo = repo
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196 self._data = data
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197 self._decodedmeta = None
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198
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199 def precnode(self):
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200 """Precursor changeset node identifier"""
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201 return self._data[0]
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202
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203 def succnodes(self):
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204 """List of successor changesets node identifiers"""
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205 return self._data[1]
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206
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207 def metadata(self):
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208 """Decoded metadata dictionary"""
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209 if self._decodedmeta is None:
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diff changeset
210 self._decodedmeta = decodemeta(self._data[3])
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211 return self._decodedmeta
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212
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diff changeset
213 def date(self):
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214 """Creation date as (unixtime, offset)"""
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215 parts = self.metadata()['date'].split(' ')
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216 return (float(parts[0]), int(parts[1]))
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217
17070
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218 class obsstore(object):
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219 """Store obsolete markers
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220
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parents:
diff changeset
221 Markers can be accessed with two mappings:
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
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parents: 17775
diff changeset
222 - precursors[x] -> set(markers on precursors edges of x)
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
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parents: 17775
diff changeset
223 - successors[x] -> set(markers on successors edges of x)
17070
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224 """
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225
17124
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parents: 17117
diff changeset
226 def __init__(self, sopener):
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
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parents: 17429
diff changeset
227 # caches for various obsolescence related cache
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diff changeset
228 self.caches = {}
17070
ad0d6c2b3279 obsolete: introduction of obsolete markers
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229 self._all = []
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parents:
diff changeset
230 # new markers to serialize
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diff changeset
231 self.precursors = {}
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parents:
diff changeset
232 self.successors = {}
17124
f1b7683f3f95 obsolete: move obsolete markers read/write logic to obsstore object
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parents: 17117
diff changeset
233 self.sopener = sopener
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parents: 17117
diff changeset
234 data = sopener.tryread('obsstore')
f1b7683f3f95 obsolete: move obsolete markers read/write logic to obsstore object
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17117
diff changeset
235 if data:
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
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parents: 17219
diff changeset
236 self._load(_readmarkers(data))
17070
ad0d6c2b3279 obsolete: introduction of obsolete markers
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parents:
diff changeset
237
17073
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
238 def __iter__(self):
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
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parents: 17072
diff changeset
239 return iter(self._all)
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diff changeset
240
17075
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
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parents: 17073
diff changeset
241 def __nonzero__(self):
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
242 return bool(self._all)
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
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parents: 17073
diff changeset
243
17126
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
244 def create(self, transaction, prec, succs=(), flag=0, metadata=None):
17071
11f26e2669aa command: creation of obsolete marker
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parents: 17070
diff changeset
245 """obsolete: add a new obsolete marker
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
246
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
247 * ensuring it is hashable
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diff changeset
248 * check mandatory metadata
11f26e2669aa command: creation of obsolete marker
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diff changeset
249 * encode metadata
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
250 """
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
251 if metadata is None:
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
252 metadata = {}
18904
e9331e979d7a obsolete: ensure all markers have a date
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18644
diff changeset
253 if 'date' not in metadata:
e9331e979d7a obsolete: ensure all markers have a date
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18644
diff changeset
254 metadata['date'] = "%d %d" % util.makedate()
17071
11f26e2669aa command: creation of obsolete marker
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parents: 17070
diff changeset
255 if len(prec) != 20:
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
256 raise ValueError(prec)
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
257 for succ in succs:
11f26e2669aa command: creation of obsolete marker
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parents: 17070
diff changeset
258 if len(succ) != 20:
17117
217bfb10e6db obsolete: fix error message at marker creation
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17076
diff changeset
259 raise ValueError(succ)
17071
11f26e2669aa command: creation of obsolete marker
Pierre-Yves.David@ens-lyon.org
parents: 17070
diff changeset
260 marker = (str(prec), tuple(succs), int(flag), encodemeta(metadata))
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
261 self.add(transaction, [marker])
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
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parents: 17219
diff changeset
262
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
263 def add(self, transaction, markers):
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
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parents: 17219
diff changeset
264 """Add new markers to the store
17070
ad0d6c2b3279 obsolete: introduction of obsolete markers
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parents:
diff changeset
265
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
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parents: 17219
diff changeset
266 Take care of filtering duplicate.
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
267 Return the number of new marker."""
17296
a1f8869f2eee obsolete: introduce an `_enabled` switch to disable the feature by default
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17295
diff changeset
268 if not _enabled:
a1f8869f2eee obsolete: introduce an `_enabled` switch to disable the feature by default
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17295
diff changeset
269 raise util.Abort('obsolete feature is not enabled on this repo')
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
270 new = [m for m in markers if m not in self._all]
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
271 if new:
17125
95d785ccb4e5 obsolete: append new markers to obsstore file instead of rewriting everything
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17124
diff changeset
272 f = self.sopener('obsstore', 'ab')
17124
f1b7683f3f95 obsolete: move obsolete markers read/write logic to obsstore object
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17117
diff changeset
273 try:
17195
48c232873a54 obsolete: add seek to end of file before calling tell (issue3543)
Adrian Buehlmann <adrian@cadifra.com>
parents: 17126
diff changeset
274 # Whether the file's current position is at the begin or at
48c232873a54 obsolete: add seek to end of file before calling tell (issue3543)
Adrian Buehlmann <adrian@cadifra.com>
parents: 17126
diff changeset
275 # the end after opening a file for appending is implementation
48c232873a54 obsolete: add seek to end of file before calling tell (issue3543)
Adrian Buehlmann <adrian@cadifra.com>
parents: 17126
diff changeset
276 # defined. So we must seek to the end before calling tell(),
48c232873a54 obsolete: add seek to end of file before calling tell (issue3543)
Adrian Buehlmann <adrian@cadifra.com>
parents: 17126
diff changeset
277 # or we may get a zero offset for non-zero sized files on
48c232873a54 obsolete: add seek to end of file before calling tell (issue3543)
Adrian Buehlmann <adrian@cadifra.com>
parents: 17126
diff changeset
278 # some platforms (issue3543).
17429
72fa4ef2245f declare local constants instead of using magic values and comments
Mads Kiilerich <mads@kiilerich.com>
parents: 17426
diff changeset
279 f.seek(0, _SEEK_END)
17126
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
280 offset = f.tell()
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
281 transaction.add('obsstore', offset)
17219
494a970f68de obsolete: refactor writemarkers to only encode them
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parents: 17213
diff changeset
282 # offset == 0: new file - add the version header
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
283 for bytes in _encodemarkers(new, offset == 0):
17219
494a970f68de obsolete: refactor writemarkers to only encode them
Pierre-Yves.David@ens-lyon.org
parents: 17213
diff changeset
284 f.write(bytes)
17126
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
285 finally:
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
286 # XXX: f.close() == filecache invalidation == obsstore rebuilt.
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
287 # call 'filecacheentry.refresh()' here
17124
f1b7683f3f95 obsolete: move obsolete markers read/write logic to obsstore object
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17117
diff changeset
288 f.close()
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
289 self._load(new)
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
290 # new marker *may* have changed several set. invalidate the cache.
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
291 self.caches.clear()
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
292 return len(new)
17126
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
293
17524
a736e1e15e46 spelling: transaction
timeless@mozdev.org
parents: 17516
diff changeset
294 def mergemarkers(self, transaction, data):
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
295 markers = _readmarkers(data)
17524
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timeless@mozdev.org
parents: 17516
diff changeset
296 self.add(transaction, markers)
17070
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parents:
diff changeset
297
17220
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
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parents: 17219
diff changeset
298 def _load(self, markers):
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
299 for mark in markers:
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
300 self._all.append(mark)
bdac214a4705 obsolete: obsstore.add now takes a list of markers.
Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
301 pre, sucs = mark[:2]
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
302 self.successors.setdefault(pre, set()).add(mark)
17220
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Pierre-Yves.David@ens-lyon.org
parents: 17219
diff changeset
303 for suc in sucs:
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
304 self.precursors.setdefault(suc, set()).add(mark)
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
305 if node.nullid in self.precursors:
17774
0496d4f73cf4 obsolete: cheap detection of nullid as successors
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
306 raise util.Abort(_('bad obsolescence marker detected: '
0496d4f73cf4 obsolete: cheap detection of nullid as successors
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17537
diff changeset
307 'invalid successors nullid'))
17070
ad0d6c2b3279 obsolete: introduction of obsolete markers
Pierre-Yves.David@ens-lyon.org
parents:
diff changeset
308
17219
494a970f68de obsolete: refactor writemarkers to only encode them
Pierre-Yves.David@ens-lyon.org
parents: 17213
diff changeset
309 def _encodemarkers(markers, addheader=False):
17125
95d785ccb4e5 obsolete: append new markers to obsstore file instead of rewriting everything
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17124
diff changeset
310 # Kept separate from flushmarkers(), it will be reused for
95d785ccb4e5 obsolete: append new markers to obsstore file instead of rewriting everything
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17124
diff changeset
311 # markers exchange.
17219
494a970f68de obsolete: refactor writemarkers to only encode them
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parents: 17213
diff changeset
312 if addheader:
494a970f68de obsolete: refactor writemarkers to only encode them
Pierre-Yves.David@ens-lyon.org
parents: 17213
diff changeset
313 yield _pack('>B', _fmversion)
17125
95d785ccb4e5 obsolete: append new markers to obsstore file instead of rewriting everything
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17124
diff changeset
314 for marker in markers:
17295
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
315 yield _encodeonemarker(marker)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
316
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
317
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
318 def _encodeonemarker(marker):
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
319 pre, sucs, flags, metadata = marker
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
320 nbsuc = len(sucs)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
321 format = _fmfixed + (_fmnode * nbsuc)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
322 data = [nbsuc, len(metadata), flags, pre]
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
323 data.extend(sucs)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
324 return _pack(format, *data) + metadata
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
325
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
326 # arbitrary picked to fit into 8K limit from HTTP server
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
327 # you have to take in account:
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
328 # - the version header
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
329 # - the base85 encoding
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
330 _maxpayload = 5300
17075
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parents: 17073
diff changeset
331
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
332 def listmarkers(repo):
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
333 """List markers over pushkey"""
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
334 if not repo.obsstore:
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
335 return {}
17295
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
336 keys = {}
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
337 parts = []
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
338 currentlen = _maxpayload * 2 # ensure we create a new part
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
339 for marker in repo.obsstore:
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
340 nextdata = _encodeonemarker(marker)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
341 if (len(nextdata) + currentlen > _maxpayload):
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
342 currentpart = []
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
343 currentlen = 0
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
344 parts.append(currentpart)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
345 currentpart.append(nextdata)
17304
0368fc55d572 obsolete: properly increment currentlen when building pushkey payload
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17298
diff changeset
346 currentlen += len(nextdata)
17295
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
347 for idx, part in enumerate(reversed(parts)):
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
348 data = ''.join([_pack('>B', _fmversion)] + part)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
349 keys['dump%i' % idx] = base85.b85encode(data)
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
350 return keys
17073
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
351
17075
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
352 def pushmarker(repo, key, old, new):
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
353 """Push markers over pushkey"""
17295
1f08ecc7febb pushkey: splits obsolete marker exchange into multiple keys
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17253
diff changeset
354 if not key.startswith('dump'):
17075
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
355 repo.ui.warn(_('unknown key: %r') % key)
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
356 return 0
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
357 if old:
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
358 repo.ui.warn(_('unexpected old value') % key)
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
359 return 0
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
360 data = base85.b85decode(new)
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
361 lock = repo.lock()
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
362 try:
17126
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
363 tr = repo.transaction('pushkey: obsolete markers')
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
364 try:
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
365 repo.obsstore.mergemarkers(tr, data)
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
366 tr.close()
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
367 return 1
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
368 finally:
8fa8717b47b6 obsolete: write obsolete marker inside a transaction
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17125
diff changeset
369 tr.release()
17075
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
370 finally:
28ed1c4511ce obsolete: exchange obsolete marker over pushkey
Pierre-Yves.David@ens-lyon.org
parents: 17073
diff changeset
371 lock.release()
17073
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
372
19053
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
373 def syncpush(repo, remote):
19528
f4a0f6dd95a3 obsolete: clean up a couple of docstrings for correctness
Augie Fackler <raf@durin42.com>
parents: 19054
diff changeset
374 """utility function to push obsolete markers to a remote
19053
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
375
19951
d51c4d85ec23 spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
parents: 19618
diff changeset
376 Exist mostly to allow overriding for experimentation purpose"""
19053
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
377 if (_enabled and repo.obsstore and
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
378 'obsolete' in remote.listkeys('namespaces')):
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
379 rslts = []
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
380 remotedata = repo.listkeys('obsolete')
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
381 for key in sorted(remotedata, reverse=True):
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
382 # reverse sort to ensure we end with dump0
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
383 data = remotedata[key]
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
384 rslts.append(remote.pushkey('obsolete', key, '', data))
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
385 if [r for r in rslts if not r]:
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
386 msg = _('failed to push some obsolete markers!\n')
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
387 repo.ui.warn(msg)
f74f2a4e3327 obsolete: extract obsolescence marker pushing into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18984
diff changeset
388
19054
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
389 def syncpull(repo, remote, gettransaction):
19528
f4a0f6dd95a3 obsolete: clean up a couple of docstrings for correctness
Augie Fackler <raf@durin42.com>
parents: 19054
diff changeset
390 """utility function to pull obsolete markers from a remote
19054
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
391
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
392 The `gettransaction` is function that return the pull transaction, creating
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
393 one if necessary. We return the transaction to inform the calling code that
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
394 a new transaction have been created (when applicable).
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
395
19951
d51c4d85ec23 spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
parents: 19618
diff changeset
396 Exists mostly to allow overriding for experimentation purpose"""
19054
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
397 tr = None
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Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
398 if _enabled:
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
399 repo.ui.debug('fetching remote obsolete markers\n')
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
400 remoteobs = remote.listkeys('obsolete')
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
401 if 'dump0' in remoteobs:
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
402 tr = gettransaction()
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
403 for key in sorted(remoteobs, reverse=True):
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
404 if key.startswith('dump'):
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
405 data = base85.b85decode(remoteobs[key])
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
406 repo.obsstore.mergemarkers(tr, data)
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
407 repo.invalidatevolatilesets()
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
408 return tr
d5f968f7716f obsolete: extract obsolescence marker pulling into a dedicated function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 19053
diff changeset
409
17073
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
410 def allmarkers(repo):
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
411 """all obsolete markers known in a repository"""
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
412 for markerdata in repo.obsstore:
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
413 yield marker(repo, markerdata)
3a79a5682af1 obsolete: add easy way to iterate over obsolete marker object
Pierre-Yves.David@ens-lyon.org
parents: 17072
diff changeset
414
17076
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
415 def precursormarkers(ctx):
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
416 """obsolete marker marking this changeset as a successors"""
17076
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
417 for data in ctx._repo.obsstore.precursors.get(ctx.node(), ()):
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
418 yield marker(ctx._repo, data)
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
419
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
420 def successormarkers(ctx):
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
421 """obsolete marker making this changeset obsolete"""
17076
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
422 for data in ctx._repo.obsstore.successors.get(ctx.node(), ()):
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
423 yield marker(ctx._repo, data)
75f4180509a4 obsolete: function and method to access some obsolete data
Pierre-Yves.David@ens-lyon.org
parents: 17075
diff changeset
424
17831
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
425 def allsuccessors(obsstore, nodes, ignoreflags=0):
17827
612db9d7e76a obsolete: have `allsuccessors` takes a list of nodes
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17826
diff changeset
426 """Yield node for every successor of <nodes>.
612db9d7e76a obsolete: have `allsuccessors` takes a list of nodes
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17826
diff changeset
427
612db9d7e76a obsolete: have `allsuccessors` takes a list of nodes
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17826
diff changeset
428 Some successors may be unknown locally.
17213
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
429
17537
31f32a96e1e3 Merge spelling fixes
Bryan O'Sullivan <bryano@fb.com>
parents: 17474 17524
diff changeset
430 This is a linear yield unsuited to detecting split changesets."""
17827
612db9d7e76a obsolete: have `allsuccessors` takes a list of nodes
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17826
diff changeset
431 remaining = set(nodes)
17213
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
432 seen = set(remaining)
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
433 while remaining:
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
434 current = remaining.pop()
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
435 yield current
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
436 for mark in obsstore.successors.get(current, ()):
17831
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
437 # ignore marker flagged with with specified flag
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
438 if mark[2] & ignoreflags:
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
439 continue
17213
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
440 for suc in mark[1]:
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
441 if suc not in seen:
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
442 seen.add(suc)
7eb5aa1f83fd obsolete: add an any successors function
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17200
diff changeset
443 remaining.add(suc)
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
444
18984
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
445 def foreground(repo, nodes):
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
446 """return all nodes in the "foreground" of other node
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
447
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
448 The foreground of a revision is anything reachable using parent -> children
19951
d51c4d85ec23 spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
parents: 19618
diff changeset
449 or precursor -> successor relation. It is very similar to "descendant" but
18984
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
450 augmented with obsolescence information.
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
451
19951
d51c4d85ec23 spelling: random spell checker fixes
Mads Kiilerich <madski@unity3d.com>
parents: 19618
diff changeset
452 Beware that possible obsolescence cycle may result if complex situation.
18984
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
453 """
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
454 repo = repo.unfiltered()
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
455 foreground = set(repo.set('%ln::', nodes))
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
456 if repo.obsstore:
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
457 # We only need this complicated logic if there is obsolescence
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
458 # XXX will probably deserve an optimised revset.
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
459 nm = repo.changelog.nodemap
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
460 plen = -1
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
461 # compute the whole set of successors or descendants
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
462 while len(foreground) != plen:
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
463 plen = len(foreground)
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
464 succs = set(c.node() for c in foreground)
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
465 mutable = [c.node() for c in foreground if c.mutable()]
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
466 succs.update(allsuccessors(repo.obsstore, mutable))
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
467 known = (n for n in succs if n in nm)
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
468 foreground = set(repo.set('%ln::', known))
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
469 return set(c.node() for c in foreground)
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
470
efef056b1ae9 obsolete: extract foreground computation from bookmark.validdest
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18904
diff changeset
471
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
472 def successorssets(repo, initialnode, cache=None):
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
473 """Return all set of successors of initial nodes
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
474
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
475 Successors set of changeset A are a group of revision that succeed A. It
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
476 succeed A as a consistent whole, each revision being only partial
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
477 replacement. Successors set contains non-obsolete changeset only.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
478
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
479 In most cases a changeset A have zero (changeset pruned) or a single
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
480 successors set that contains a single successor (changeset A replaced by
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
481 A')
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
482
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
483 When changeset is split, it results successors set containing more than
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
484 a single element. Divergent rewriting will result in multiple successors
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
485 sets.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
486
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
487 They are returned as a list of tuples containing all valid successors sets.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
488
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
489 Final successors unknown locally are considered plain prune (obsoleted
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
490 without successors).
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
491
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
492 The optional `cache` parameter is a dictionary that may contains
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
493 precomputed successors sets. It is meant to reuse the computation of
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
494 previous call to `successorssets` when multiple calls are made at the same
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
495 time. The cache dictionary is updated in place. The caller is responsible
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
496 for its live spawn. Code that makes multiple calls to `successorssets`
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
497 *must* use this cache mechanism or suffer terrible performances."""
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
498
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
499 succmarkers = repo.obsstore.successors
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
500
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
501 # Stack of nodes we search successors sets for
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
502 toproceed = [initialnode]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
503 # set version of above list for fast loop detection
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
504 # element added to "toproceed" must be added here
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
505 stackedset = set(toproceed)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
506 if cache is None:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
507 cache = {}
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
508
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
509 # This while loop is the flattened version of a recursive search for
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
510 # successors sets
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
511 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
512 # def successorssets(x):
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
513 # successors = directsuccessors(x)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
514 # ss = [[]]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
515 # for succ in directsuccessors(x):
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
516 # # product as in itertools cartesian product
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
517 # ss = product(ss, successorssets(succ))
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
518 # return ss
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
519 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
520 # But we can not use plain recursive calls here:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
521 # - that would blow the python call stack
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
522 # - obsolescence markers may have cycles, we need to handle them.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
523 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
524 # The `toproceed` list act as our call stack. Every node we search
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
525 # successors set for are stacked there.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
526 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
527 # The `stackedset` is set version of this stack used to check if a node is
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
528 # already stacked. This check is used to detect cycles and prevent infinite
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
529 # loop.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
530 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
531 # successors set of all nodes are stored in the `cache` dictionary.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
532 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
533 # After this while loop ends we use the cache to return the successors sets
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
534 # for the node requested by the caller.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
535 while toproceed:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
536 # Every iteration tries to compute the successors sets of the topmost
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
537 # node of the stack: CURRENT.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
538 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
539 # There are four possible outcomes:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
540 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
541 # 1) We already know the successors sets of CURRENT:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
542 # -> mission accomplished, pop it from the stack.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
543 # 2) Node is not obsolete:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
544 # -> the node is its own successors sets. Add it to the cache.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
545 # 3) We do not know successors set of direct successors of CURRENT:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
546 # -> We add those successors to the stack.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
547 # 4) We know successors sets of all direct successors of CURRENT:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
548 # -> We can compute CURRENT successors set and add it to the
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
549 # cache.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
550 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
551 current = toproceed[-1]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
552 if current in cache:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
553 # case (1): We already know the successors sets
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
554 stackedset.remove(toproceed.pop())
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
555 elif current not in succmarkers:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
556 # case (2): The node is not obsolete.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
557 if current in repo:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
558 # We have a valid last successors.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
559 cache[current] = [(current,)]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
560 else:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
561 # Final obsolete version is unknown locally.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
562 # Do not count that as a valid successors
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
563 cache[current] = []
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
564 else:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
565 # cases (3) and (4)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
566 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
567 # We proceed in two phases. Phase 1 aims to distinguish case (3)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
568 # from case (4):
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
569 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
570 # For each direct successors of CURRENT, we check whether its
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
571 # successors sets are known. If they are not, we stack the
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
572 # unknown node and proceed to the next iteration of the while
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
573 # loop. (case 3)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
574 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
575 # During this step, we may detect obsolescence cycles: a node
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
576 # with unknown successors sets but already in the call stack.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
577 # In such a situation, we arbitrary set the successors sets of
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
578 # the node to nothing (node pruned) to break the cycle.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
579 #
18644
3e92772d5383 spelling: fix some minor issues found by spell checker
Mads Kiilerich <mads@kiilerich.com>
parents: 18365
diff changeset
580 # If no break was encountered we proceed to phase 2.
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
581 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
582 # Phase 2 computes successors sets of CURRENT (case 4); see details
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
583 # in phase 2 itself.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
584 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
585 # Note the two levels of iteration in each phase.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
586 # - The first one handles obsolescence markers using CURRENT as
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
587 # precursor (successors markers of CURRENT).
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
588 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
589 # Having multiple entry here means divergence.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
590 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
591 # - The second one handles successors defined in each marker.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
592 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
593 # Having none means pruned node, multiple successors means split,
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
594 # single successors are standard replacement.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
595 #
18365
4148414da120 obsolete: process markers in a stable order
Mads Kiilerich <mads@kiilerich.com>
parents: 18277
diff changeset
596 for mark in sorted(succmarkers[current]):
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
597 for suc in mark[1]:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
598 if suc not in cache:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
599 if suc in stackedset:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
600 # cycle breaking
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
601 cache[suc] = []
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
602 else:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
603 # case (3) If we have not computed successors sets
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
604 # of one of those successors we add it to the
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
605 # `toproceed` stack and stop all work for this
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
606 # iteration.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
607 toproceed.append(suc)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
608 stackedset.add(suc)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
609 break
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
610 else:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
611 continue
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
612 break
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
613 else:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
614 # case (4): we know all successors sets of all direct
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
615 # successors
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
616 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
617 # Successors set contributed by each marker depends on the
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
618 # successors sets of all its "successors" node.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
619 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
620 # Each different marker is a divergence in the obsolescence
18644
3e92772d5383 spelling: fix some minor issues found by spell checker
Mads Kiilerich <mads@kiilerich.com>
parents: 18365
diff changeset
621 # history. It contributes successors sets distinct from other
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
622 # markers.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
623 #
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
624 # Within a marker, a successor may have divergent successors
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
625 # sets. In such a case, the marker will contribute multiple
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
626 # divergent successors sets. If multiple successors have
18644
3e92772d5383 spelling: fix some minor issues found by spell checker
Mads Kiilerich <mads@kiilerich.com>
parents: 18365
diff changeset
627 # divergent successors sets, a cartesian product is used.
18069
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
628 #
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
629 # At the end we post-process successors sets to remove
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
630 # duplicated entry and successors set that are strict subset of
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
631 # another one.
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
632 succssets = []
18365
4148414da120 obsolete: process markers in a stable order
Mads Kiilerich <mads@kiilerich.com>
parents: 18277
diff changeset
633 for mark in sorted(succmarkers[current]):
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
634 # successors sets contributed by this marker
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
635 markss = [[]]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
636 for suc in mark[1]:
18069
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
637 # cardinal product with previous successors
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
638 productresult = []
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
639 for prefix in markss:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
640 for suffix in cache[suc]:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
641 newss = list(prefix)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
642 for part in suffix:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
643 # do not duplicated entry in successors set
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
644 # first entry wins.
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
645 if part not in newss:
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
646 newss.append(part)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
647 productresult.append(newss)
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
648 markss = productresult
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
649 succssets.extend(markss)
18069
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
650 # remove duplicated and subset
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
651 seen = []
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
652 final = []
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
653 candidate = sorted(((set(s), s) for s in succssets if s),
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
654 key=lambda x: len(x[1]), reverse=True)
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
655 for setversion, listversion in candidate:
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
656 for seenset in seen:
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
657 if setversion.issubset(seenset):
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
658 break
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
659 else:
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
660 final.append(listversion)
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
661 seen.append(setversion)
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
662 final.reverse() # put small successors set first
f84e731cbd20 obsolete: drop successors sets which are subset of another one
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18068
diff changeset
663 cache[current] = final
18068
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
664 return cache[initialnode]
4bec77e62c00 obsolete: compute successors set
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18001
diff changeset
665
17828
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
666 def _knownrevs(repo, nodes):
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
667 """yield revision numbers of known nodes passed in parameters
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
668
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
669 Unknown revisions are silently ignored."""
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
670 torev = repo.changelog.nodemap.get
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
671 for n in nodes:
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
672 rev = torev(n)
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
673 if rev is not None:
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
674 yield rev
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
675
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
676 # mapping of 'set-name' -> <function to compute this set>
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
677 cachefuncs = {}
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
678 def cachefor(name):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
679 """Decorator to register a function as computing the cache for a set"""
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
680 def decorator(func):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
681 assert name not in cachefuncs
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
682 cachefuncs[name] = func
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
683 return func
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
684 return decorator
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
685
17825
3cc06457f15e obsolete: rename `getobscache` into `getrevs`
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17776
diff changeset
686 def getrevs(repo, name):
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
687 """Return the set of revision that belong to the <name> set
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
688
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
689 Such access may compute the set and cache it for future use"""
18001
e02feadd15ea clfilter: unfilter computation of obsolescence related computation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 17831
diff changeset
690 repo = repo.unfiltered()
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
691 if not repo.obsstore:
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
692 return ()
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
693 if name not in repo.obsstore.caches:
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
694 repo.obsstore.caches[name] = cachefuncs[name](repo)
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
695 return repo.obsstore.caches[name]
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
696
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
697 # To be simple we need to invalidate obsolescence cache when:
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
698 #
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
699 # - new changeset is added:
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
700 # - public phase is changed
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
701 # - obsolescence marker are added
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
702 # - strip is used a repo
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
703 def clearobscaches(repo):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
704 """Remove all obsolescence related cache from a repo
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
705
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
706 This remove all cache in obsstore is the obsstore already exist on the
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
707 repo.
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
708
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
709 (We could be smarter here given the exact event that trigger the cache
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
710 clearing)"""
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
711 # only clear cache is there is obsstore data in this repo
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
712 if 'obsstore' in repo._filecache:
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
713 repo.obsstore.caches.clear()
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
714
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
715 @cachefor('obsolete')
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
716 def _computeobsoleteset(repo):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
717 """the set of obsolete revisions"""
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
718 obs = set()
18271
67872e939945 performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
719 getrev = repo.changelog.nodemap.get
67872e939945 performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
720 getphase = repo._phasecache.phase
17776
072812e9f570 obsolete: flip `obstore.successors` and `obsolete.precursors`
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17775
diff changeset
721 for node in repo.obsstore.successors:
18271
67872e939945 performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
722 rev = getrev(node)
67872e939945 performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
723 if rev is not None and getphase(repo, rev):
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
724 obs.add(rev)
18271
67872e939945 performance: speedup computation of obsolete revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18101
diff changeset
725 return obs
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
726
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
727 @cachefor('unstable')
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
728 def _computeunstableset(repo):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
729 """the set of non obsolete revisions with obsolete parents"""
18275
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
730 # revset is not efficient enough here
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
731 # we do (obsolete()::) - obsolete() by hand
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
732 obs = getrevs(repo, 'obsolete')
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
733 if not obs:
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
734 return set()
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
735 cl = repo.changelog
9818f22785b7 performance: speedup computation of unstable revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18271
diff changeset
736 return set(r for r in cl.descendants(obs) if r not in obs)
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
737
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
738 @cachefor('suspended')
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
739 def _computesuspendedset(repo):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
740 """the set of obsolete parents with non obsolete descendants"""
18276
834ef7e70d0f performance: speedup computation of suspended revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18275
diff changeset
741 suspended = repo.changelog.ancestors(getrevs(repo, 'unstable'))
834ef7e70d0f performance: speedup computation of suspended revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18275
diff changeset
742 return set(r for r in getrevs(repo, 'obsolete') if r in suspended)
17469
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
743
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
744 @cachefor('extinct')
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
745 def _computeextinctset(repo):
fb72eec7efd8 obsolete: introduce caches for all meaningful sets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17429
diff changeset
746 """the set of obsolete parents without non obsolete descendants"""
18277
a58260bc101f performance: speedup computation of extinct revisions
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18276
diff changeset
747 return getrevs(repo, 'obsolete') - getrevs(repo, 'suspended')
17474
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
748
17828
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
749
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
750 @cachefor('bumped')
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
751 def _computebumpedset(repo):
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
752 """the set of revs trying to obsolete public revisions"""
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
753 # get all possible bumped changesets
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
754 tonode = repo.changelog.node
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
755 publicnodes = (tonode(r) for r in repo.revs('public()'))
17831
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
756 successors = allsuccessors(repo.obsstore, publicnodes,
70b08df24fef obsolete: add a flag that allows fixing "bumped" changeset
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17828
diff changeset
757 ignoreflags=bumpedfix)
17828
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
758 # revision public or already obsolete don't count as bumped
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
759 query = '%ld - obsolete() - public()'
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
760 return set(repo.revs(query, _knownrevs(repo, successors)))
9495be4126ef obsolete: add the detection of bumped changeset.
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17827
diff changeset
761
18070
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
762 @cachefor('divergent')
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
763 def _computedivergentset(repo):
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
764 """the set of rev that compete to be the final successors of some revision.
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
765 """
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
766 divergent = set()
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
767 obsstore = repo.obsstore
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
768 newermap = {}
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
769 for ctx in repo.set('(not public()) - obsolete()'):
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
770 mark = obsstore.precursors.get(ctx.node(), ())
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
771 toprocess = set(mark)
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
772 while toprocess:
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
773 prec = toprocess.pop()[0]
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
774 if prec not in newermap:
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
775 successorssets(repo, prec, newermap)
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
776 newer = [n for n in newermap[prec] if n]
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
777 if len(newer) > 1:
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
778 divergent.add(ctx.rev())
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
779 break
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
780 toprocess.update(obsstore.precursors.get(prec, ()))
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
781 return divergent
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
782
af632936d3d9 obsolete: detect divergent changesets
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 18069
diff changeset
783
17474
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
784 def createmarkers(repo, relations, flag=0, metadata=None):
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
785 """Add obsolete markers between changesets in a repo
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
786
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
787 <relations> must be an iterable of (<old>, (<new>, ...)) tuple.
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
788 `old` and `news` are changectx.
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
789
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
790 Trying to obsolete a public changeset will raise an exception.
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
791
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
792 Current user and date are used except if specified otherwise in the
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
793 metadata attribute.
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
794
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
795 This function operates within a transaction of its own, but does
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
796 not take any lock on the repo.
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
797 """
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
798 # prepare metadata
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
799 if metadata is None:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
800 metadata = {}
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
801 if 'date' not in metadata:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
802 metadata['date'] = '%i %i' % util.makedate()
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
803 if 'user' not in metadata:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
804 metadata['user'] = repo.ui.username()
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
805 tr = repo.transaction('add-obsolescence-marker')
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
806 try:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
807 for prec, sucs in relations:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
808 if not prec.mutable():
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
809 raise util.Abort("cannot obsolete immutable changeset: %s"
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
810 % prec)
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
811 nprec = prec.node()
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
812 nsucs = tuple(s.node() for s in sucs)
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
813 if nprec in nsucs:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
814 raise util.Abort("changeset %s cannot obsolete itself" % prec)
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
815 repo.obsstore.create(tr, nprec, nsucs, flag, metadata)
18101
a464deecc9dd clfilter: add a cache on repo for set of revision to filter for a given set.
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents: 18070
diff changeset
816 repo.filteredrevcache.clear()
17474
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
817 tr.close()
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
818 finally:
f85816af6294 obsolete: add a high level function to create an obsolete marker
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents: 17469
diff changeset
819 tr.release()