Mercurial > hg
annotate mercurial/upgrade_utils/engine.py @ 49541:976648e20856
tests: remove non-python3 line matching and tests block
We don't support Python2 anymore
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 22 Sep 2022 16:27:17 +0200 |
parents | 2e726c934fcd |
children | 1994842955db |
rev | line source |
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1 # upgrade.py - functions for in place upgrade of Mercurial repository |
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2 # |
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3 # Copyright (c) 2016-present, Gregory Szorc |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 |
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9 import stat |
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10 |
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11 from ..i18n import _ |
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12 from ..pycompat import getattr |
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13 from .. import ( |
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14 changelog, |
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15 error, |
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16 filelog, |
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17 manifest, |
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18 metadata, |
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19 pycompat, |
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20 requirements, |
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21 scmutil, |
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22 store, |
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23 util, |
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24 vfs as vfsmod, |
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25 ) |
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26 from ..revlogutils import ( |
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27 constants as revlogconst, |
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28 flagutil, |
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29 nodemap, |
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30 sidedata as sidedatamod, |
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31 ) |
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32 from . import actions as upgrade_actions |
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33 |
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34 |
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35 def get_sidedata_helpers(srcrepo, dstrepo): |
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36 use_w = srcrepo.ui.configbool(b'experimental', b'worker.repository-upgrade') |
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37 sequential = pycompat.iswindows or not use_w |
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38 if not sequential: |
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39 srcrepo.register_sidedata_computer( |
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40 revlogconst.KIND_CHANGELOG, |
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41 sidedatamod.SD_FILES, |
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42 (sidedatamod.SD_FILES,), |
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43 metadata._get_worker_sidedata_adder(srcrepo, dstrepo), |
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44 flagutil.REVIDX_HASCOPIESINFO, |
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45 replace=True, |
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46 ) |
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47 return sidedatamod.get_sidedata_helpers(srcrepo, dstrepo._wanted_sidedata) |
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48 |
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49 |
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50 def _revlogfrompath(repo, rl_type, path): |
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51 """Obtain a revlog from a repo path. |
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52 |
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53 An instance of the appropriate class is returned. |
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54 """ |
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55 if rl_type & store.FILEFLAGS_CHANGELOG: |
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56 return changelog.changelog(repo.svfs) |
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57 elif rl_type & store.FILEFLAGS_MANIFESTLOG: |
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58 mandir = b'' |
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59 if b'/' in path: |
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60 mandir = path.rsplit(b'/', 1)[0] |
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61 return manifest.manifestrevlog( |
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62 repo.nodeconstants, repo.svfs, tree=mandir |
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63 ) |
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64 else: |
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65 # drop the extension and the `data/` prefix |
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66 path_part = path.rsplit(b'.', 1)[0].split(b'/', 1) |
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67 if len(path_part) < 2: |
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68 msg = _(b'cannot recognize revlog from filename: %s') |
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69 msg %= path |
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70 raise error.Abort(msg) |
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71 path = path_part[1] |
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72 return filelog.filelog(repo.svfs, path) |
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73 |
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74 |
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75 def _copyrevlog(tr, destrepo, oldrl, rl_type, unencodedname): |
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76 """copy all relevant files for `oldrl` into `destrepo` store |
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77 |
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78 Files are copied "as is" without any transformation. The copy is performed |
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79 without extra checks. Callers are responsible for making sure the copied |
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80 content is compatible with format of the destination repository. |
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81 """ |
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82 oldrl = getattr(oldrl, '_revlog', oldrl) |
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83 newrl = _revlogfrompath(destrepo, rl_type, unencodedname) |
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84 newrl = getattr(newrl, '_revlog', newrl) |
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85 |
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86 oldvfs = oldrl.opener |
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87 newvfs = newrl.opener |
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88 oldindex = oldvfs.join(oldrl._indexfile) |
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89 newindex = newvfs.join(newrl._indexfile) |
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90 olddata = oldvfs.join(oldrl._datafile) |
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91 newdata = newvfs.join(newrl._datafile) |
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92 |
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93 with newvfs(newrl._indexfile, b'w'): |
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94 pass # create all the directories |
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95 |
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96 util.copyfile(oldindex, newindex) |
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97 copydata = oldrl.opener.exists(oldrl._datafile) |
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98 if copydata: |
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99 util.copyfile(olddata, newdata) |
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100 |
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101 if rl_type & store.FILEFLAGS_FILELOG: |
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102 destrepo.svfs.fncache.add(unencodedname) |
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103 if copydata: |
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104 destrepo.svfs.fncache.add(unencodedname[:-2] + b'.d') |
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105 |
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106 |
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107 UPGRADE_CHANGELOG = b"changelog" |
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108 UPGRADE_MANIFEST = b"manifest" |
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109 UPGRADE_FILELOGS = b"all-filelogs" |
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110 |
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111 UPGRADE_ALL_REVLOGS = frozenset( |
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112 [UPGRADE_CHANGELOG, UPGRADE_MANIFEST, UPGRADE_FILELOGS] |
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113 ) |
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114 |
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115 |
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116 def matchrevlog(revlogfilter, rl_type): |
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117 """check if a revlog is selected for cloning. |
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118 |
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119 In other words, are there any updates which need to be done on revlog |
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120 or it can be blindly copied. |
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121 |
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122 The store entry is checked against the passed filter""" |
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123 if rl_type & store.FILEFLAGS_CHANGELOG: |
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124 return UPGRADE_CHANGELOG in revlogfilter |
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125 elif rl_type & store.FILEFLAGS_MANIFESTLOG: |
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126 return UPGRADE_MANIFEST in revlogfilter |
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127 assert rl_type & store.FILEFLAGS_FILELOG |
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128 return UPGRADE_FILELOGS in revlogfilter |
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129 |
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130 |
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131 def _perform_clone( |
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132 ui, |
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133 dstrepo, |
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134 tr, |
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135 old_revlog, |
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136 rl_type, |
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137 unencoded, |
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138 upgrade_op, |
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139 sidedata_helpers, |
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140 oncopiedrevision, |
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141 ): |
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142 """returns the new revlog object created""" |
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143 newrl = None |
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144 if matchrevlog(upgrade_op.revlogs_to_process, rl_type): |
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145 ui.note( |
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146 _(b'cloning %d revisions from %s\n') % (len(old_revlog), unencoded) |
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147 ) |
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148 newrl = _revlogfrompath(dstrepo, rl_type, unencoded) |
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149 old_revlog.clone( |
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150 tr, |
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151 newrl, |
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152 addrevisioncb=oncopiedrevision, |
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153 deltareuse=upgrade_op.delta_reuse_mode, |
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154 forcedeltabothparents=upgrade_op.force_re_delta_both_parents, |
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155 sidedata_helpers=sidedata_helpers, |
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156 ) |
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157 else: |
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158 msg = _(b'blindly copying %s containing %i revisions\n') |
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159 ui.note(msg % (unencoded, len(old_revlog))) |
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160 _copyrevlog(tr, dstrepo, old_revlog, rl_type, unencoded) |
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161 |
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162 newrl = _revlogfrompath(dstrepo, rl_type, unencoded) |
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163 return newrl |
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164 |
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165 |
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166 def _clonerevlogs( |
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167 ui, |
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168 srcrepo, |
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169 dstrepo, |
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170 tr, |
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171 upgrade_op, |
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172 ): |
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173 """Copy revlogs between 2 repos.""" |
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174 revcount = 0 |
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175 srcsize = 0 |
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176 srcrawsize = 0 |
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177 dstsize = 0 |
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178 fcount = 0 |
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179 frevcount = 0 |
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180 fsrcsize = 0 |
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181 frawsize = 0 |
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182 fdstsize = 0 |
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183 mcount = 0 |
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184 mrevcount = 0 |
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185 msrcsize = 0 |
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186 mrawsize = 0 |
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187 mdstsize = 0 |
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188 crevcount = 0 |
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189 csrcsize = 0 |
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190 crawsize = 0 |
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191 cdstsize = 0 |
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192 |
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193 alldatafiles = list(srcrepo.store.walk()) |
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194 # mapping of data files which needs to be cloned |
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195 # key is unencoded filename |
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196 # value is revlog_object_from_srcrepo |
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197 manifests = {} |
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198 changelogs = {} |
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199 filelogs = {} |
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200 |
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201 # Perform a pass to collect metadata. This validates we can open all |
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202 # source files and allows a unified progress bar to be displayed. |
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203 for rl_type, unencoded, size in alldatafiles: |
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204 if not rl_type & store.FILEFLAGS_REVLOG_MAIN: |
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205 continue |
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206 |
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207 # the store.walk function will wrongly pickup transaction backup and |
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208 # get confused. As a quick fix for 5.9 release, we ignore those. |
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209 # (this is not a module constants because it seems better to keep the |
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210 # hack together) |
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211 skip_undo = ( |
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212 b'undo.backup.00changelog.i', |
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213 b'undo.backup.00manifest.i', |
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214 ) |
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215 if unencoded in skip_undo: |
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216 continue |
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217 |
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218 rl = _revlogfrompath(srcrepo, rl_type, unencoded) |
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219 |
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220 info = rl.storageinfo( |
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221 exclusivefiles=True, |
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222 revisionscount=True, |
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223 trackedsize=True, |
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224 storedsize=True, |
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225 ) |
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226 |
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227 revcount += info[b'revisionscount'] or 0 |
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228 datasize = info[b'storedsize'] or 0 |
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229 rawsize = info[b'trackedsize'] or 0 |
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230 |
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231 srcsize += datasize |
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232 srcrawsize += rawsize |
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233 |
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234 # This is for the separate progress bars. |
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235 if rl_type & store.FILEFLAGS_CHANGELOG: |
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236 changelogs[unencoded] = (rl_type, rl) |
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237 crevcount += len(rl) |
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238 csrcsize += datasize |
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239 crawsize += rawsize |
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240 elif rl_type & store.FILEFLAGS_MANIFESTLOG: |
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241 manifests[unencoded] = (rl_type, rl) |
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242 mcount += 1 |
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243 mrevcount += len(rl) |
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244 msrcsize += datasize |
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245 mrawsize += rawsize |
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246 elif rl_type & store.FILEFLAGS_FILELOG: |
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247 filelogs[unencoded] = (rl_type, rl) |
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248 fcount += 1 |
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249 frevcount += len(rl) |
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250 fsrcsize += datasize |
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251 frawsize += rawsize |
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252 else: |
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253 error.ProgrammingError(b'unknown revlog type') |
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254 |
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255 if not revcount: |
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256 return |
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257 |
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258 ui.status( |
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259 _( |
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260 b'migrating %d total revisions (%d in filelogs, %d in manifests, ' |
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261 b'%d in changelog)\n' |
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262 ) |
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263 % (revcount, frevcount, mrevcount, crevcount) |
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264 ) |
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265 ui.status( |
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266 _(b'migrating %s in store; %s tracked data\n') |
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267 % ((util.bytecount(srcsize), util.bytecount(srcrawsize))) |
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268 ) |
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269 |
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270 # Used to keep track of progress. |
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271 progress = None |
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272 |
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273 def oncopiedrevision(rl, rev, node): |
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274 progress.increment() |
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275 |
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276 sidedata_helpers = get_sidedata_helpers(srcrepo, dstrepo) |
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277 |
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278 # Migrating filelogs |
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279 ui.status( |
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280 _( |
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281 b'migrating %d filelogs containing %d revisions ' |
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282 b'(%s in store; %s tracked data)\n' |
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283 ) |
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284 % ( |
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285 fcount, |
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286 frevcount, |
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287 util.bytecount(fsrcsize), |
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288 util.bytecount(frawsize), |
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289 ) |
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290 ) |
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291 progress = srcrepo.ui.makeprogress(_(b'file revisions'), total=frevcount) |
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292 for unencoded, (rl_type, oldrl) in sorted(filelogs.items()): |
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293 newrl = _perform_clone( |
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294 ui, |
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295 dstrepo, |
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296 tr, |
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297 oldrl, |
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298 rl_type, |
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299 unencoded, |
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300 upgrade_op, |
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301 sidedata_helpers, |
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302 oncopiedrevision, |
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303 ) |
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304 info = newrl.storageinfo(storedsize=True) |
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305 fdstsize += info[b'storedsize'] or 0 |
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306 ui.status( |
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307 _( |
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308 b'finished migrating %d filelog revisions across %d ' |
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309 b'filelogs; change in size: %s\n' |
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310 ) |
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311 % (frevcount, fcount, util.bytecount(fdstsize - fsrcsize)) |
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312 ) |
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313 |
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314 # Migrating manifests |
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315 ui.status( |
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316 _( |
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317 b'migrating %d manifests containing %d revisions ' |
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318 b'(%s in store; %s tracked data)\n' |
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319 ) |
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320 % ( |
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321 mcount, |
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322 mrevcount, |
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323 util.bytecount(msrcsize), |
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324 util.bytecount(mrawsize), |
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325 ) |
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326 ) |
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327 if progress: |
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328 progress.complete() |
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329 progress = srcrepo.ui.makeprogress( |
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330 _(b'manifest revisions'), total=mrevcount |
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331 ) |
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332 for unencoded, (rl_type, oldrl) in sorted(manifests.items()): |
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333 newrl = _perform_clone( |
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334 ui, |
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335 dstrepo, |
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336 tr, |
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337 oldrl, |
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338 rl_type, |
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339 unencoded, |
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340 upgrade_op, |
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341 sidedata_helpers, |
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342 oncopiedrevision, |
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343 ) |
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344 info = newrl.storageinfo(storedsize=True) |
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345 mdstsize += info[b'storedsize'] or 0 |
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346 ui.status( |
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347 _( |
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348 b'finished migrating %d manifest revisions across %d ' |
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349 b'manifests; change in size: %s\n' |
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350 ) |
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351 % (mrevcount, mcount, util.bytecount(mdstsize - msrcsize)) |
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352 ) |
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353 |
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354 # Migrating changelog |
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355 ui.status( |
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356 _( |
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357 b'migrating changelog containing %d revisions ' |
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358 b'(%s in store; %s tracked data)\n' |
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359 ) |
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360 % ( |
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361 crevcount, |
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362 util.bytecount(csrcsize), |
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363 util.bytecount(crawsize), |
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364 ) |
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365 ) |
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366 if progress: |
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367 progress.complete() |
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368 progress = srcrepo.ui.makeprogress( |
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369 _(b'changelog revisions'), total=crevcount |
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370 ) |
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371 for unencoded, (rl_type, oldrl) in sorted(changelogs.items()): |
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372 newrl = _perform_clone( |
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373 ui, |
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374 dstrepo, |
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375 tr, |
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376 oldrl, |
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377 rl_type, |
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378 unencoded, |
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379 upgrade_op, |
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380 sidedata_helpers, |
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381 oncopiedrevision, |
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382 ) |
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383 info = newrl.storageinfo(storedsize=True) |
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384 cdstsize += info[b'storedsize'] or 0 |
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385 progress.complete() |
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386 ui.status( |
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387 _( |
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388 b'finished migrating %d changelog revisions; change in size: ' |
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389 b'%s\n' |
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390 ) |
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391 % (crevcount, util.bytecount(cdstsize - csrcsize)) |
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392 ) |
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393 |
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394 dstsize = fdstsize + mdstsize + cdstsize |
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395 ui.status( |
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396 _( |
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397 b'finished migrating %d total revisions; total change in store ' |
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398 b'size: %s\n' |
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399 ) |
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400 % (revcount, util.bytecount(dstsize - srcsize)) |
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401 ) |
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402 |
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403 |
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404 def _files_to_copy_post_revlog_clone(srcrepo): |
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405 """yields files which should be copied to destination after revlogs |
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406 are cloned""" |
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407 for path, kind, st in sorted(srcrepo.store.vfs.readdir(b'', stat=True)): |
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408 # don't copy revlogs as they are already cloned |
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409 if store.revlog_type(path) is not None: |
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410 continue |
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411 # Skip transaction related files. |
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412 if path.startswith(b'undo'): |
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413 continue |
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414 # Only copy regular files. |
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415 if kind != stat.S_IFREG: |
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416 continue |
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417 # Skip other skipped files. |
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418 if path in (b'lock', b'fncache'): |
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419 continue |
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420 # TODO: should we skip cache too? |
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421 |
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422 yield path |
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423 |
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424 |
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425 def _replacestores(currentrepo, upgradedrepo, backupvfs, upgrade_op): |
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426 """Replace the stores after current repository is upgraded |
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427 |
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428 Creates a backup of current repository store at backup path |
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429 Replaces upgraded store files in current repo from upgraded one |
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430 |
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431 Arguments: |
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432 currentrepo: repo object of current repository |
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433 upgradedrepo: repo object of the upgraded data |
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434 backupvfs: vfs object for the backup path |
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435 upgrade_op: upgrade operation object |
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436 to be used to decide what all is upgraded |
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437 """ |
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438 # TODO: don't blindly rename everything in store |
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439 # There can be upgrades where store is not touched at all |
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440 if upgrade_op.backup_store: |
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441 util.rename(currentrepo.spath, backupvfs.join(b'store')) |
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442 else: |
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443 currentrepo.vfs.rmtree(b'store', forcibly=True) |
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444 util.rename(upgradedrepo.spath, currentrepo.spath) |
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445 |
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446 |
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|
447 def finishdatamigration(ui, srcrepo, dstrepo, requirements): |
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448 """Hook point for extensions to perform additional actions during upgrade. |
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449 |
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450 This function is called after revlogs and store files have been copied but |
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451 before the new store is swapped into the original location. |
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452 """ |
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453 |
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454 |
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455 def upgrade(ui, srcrepo, dstrepo, upgrade_op): |
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456 """Do the low-level work of upgrading a repository. |
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457 |
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458 The upgrade is effectively performed as a copy between a source |
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459 repository and a temporary destination repository. |
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460 |
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461 The source repository is unmodified for as long as possible so the |
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462 upgrade can abort at any time without causing loss of service for |
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463 readers and without corrupting the source repository. |
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464 """ |
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465 assert srcrepo.currentwlock() |
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466 assert dstrepo.currentwlock() |
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467 backuppath = None |
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468 backupvfs = None |
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469 |
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470 ui.status( |
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471 _( |
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472 b'(it is safe to interrupt this process any time before ' |
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473 b'data migration completes)\n' |
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474 ) |
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475 ) |
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476 |
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477 if upgrade_actions.dirstatev2 in upgrade_op.upgrade_actions: |
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478 ui.status(_(b'upgrading to dirstate-v2 from v1\n')) |
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479 upgrade_dirstate(ui, srcrepo, upgrade_op, b'v1', b'v2') |
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480 upgrade_op.upgrade_actions.remove(upgrade_actions.dirstatev2) |
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481 |
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482 if upgrade_actions.dirstatev2 in upgrade_op.removed_actions: |
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483 ui.status(_(b'downgrading from dirstate-v2 to v1\n')) |
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484 upgrade_dirstate(ui, srcrepo, upgrade_op, b'v2', b'v1') |
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485 upgrade_op.removed_actions.remove(upgrade_actions.dirstatev2) |
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486 |
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487 if upgrade_actions.dirstatetrackedkey in upgrade_op.upgrade_actions: |
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488 ui.status(_(b'create dirstate-tracked-hint file\n')) |
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489 upgrade_tracked_hint(ui, srcrepo, upgrade_op, add=True) |
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490 upgrade_op.upgrade_actions.remove(upgrade_actions.dirstatetrackedkey) |
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491 elif upgrade_actions.dirstatetrackedkey in upgrade_op.removed_actions: |
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492 ui.status(_(b'remove dirstate-tracked-hint file\n')) |
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493 upgrade_tracked_hint(ui, srcrepo, upgrade_op, add=False) |
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494 upgrade_op.removed_actions.remove(upgrade_actions.dirstatetrackedkey) |
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495 |
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496 if not (upgrade_op.upgrade_actions or upgrade_op.removed_actions): |
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497 return |
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498 |
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499 if upgrade_op.requirements_only: |
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500 ui.status(_(b'upgrading repository requirements\n')) |
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501 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |
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502 # if there is only one action and that is persistent nodemap upgrade |
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503 # directly write the nodemap file and update requirements instead of going |
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504 # through the whole cloning process |
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505 elif ( |
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506 len(upgrade_op.upgrade_actions) == 1 |
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507 and b'persistent-nodemap' in upgrade_op.upgrade_actions_names |
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508 and not upgrade_op.removed_actions |
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509 ): |
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510 ui.status( |
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511 _(b'upgrading repository to use persistent nodemap feature\n') |
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512 ) |
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513 with srcrepo.transaction(b'upgrade') as tr: |
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514 unfi = srcrepo.unfiltered() |
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515 cl = unfi.changelog |
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516 nodemap.persist_nodemap(tr, cl, force=True) |
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517 # we want to directly operate on the underlying revlog to force |
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518 # create a nodemap file. This is fine since this is upgrade code |
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519 # and it heavily relies on repository being revlog based |
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520 # hence accessing private attributes can be justified |
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521 nodemap.persist_nodemap( |
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522 tr, unfi.manifestlog._rootstore._revlog, force=True |
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523 ) |
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524 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |
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525 elif ( |
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526 len(upgrade_op.removed_actions) == 1 |
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527 and [ |
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528 x |
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529 for x in upgrade_op.removed_actions |
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530 if x.name == b'persistent-nodemap' |
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531 ] |
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532 and not upgrade_op.upgrade_actions |
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533 ): |
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534 ui.status( |
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535 _(b'downgrading repository to not use persistent nodemap feature\n') |
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536 ) |
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537 with srcrepo.transaction(b'upgrade') as tr: |
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538 unfi = srcrepo.unfiltered() |
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539 cl = unfi.changelog |
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540 nodemap.delete_nodemap(tr, srcrepo, cl) |
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541 # check comment 20 lines above for accessing private attributes |
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542 nodemap.delete_nodemap( |
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543 tr, srcrepo, unfi.manifestlog._rootstore._revlog |
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544 ) |
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545 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |
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546 else: |
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547 with dstrepo.transaction(b'upgrade') as tr: |
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548 _clonerevlogs( |
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549 ui, |
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550 srcrepo, |
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551 dstrepo, |
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552 tr, |
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553 upgrade_op, |
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554 ) |
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555 |
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556 # Now copy other files in the store directory. |
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557 for p in _files_to_copy_post_revlog_clone(srcrepo): |
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558 srcrepo.ui.status(_(b'copying %s\n') % p) |
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559 src = srcrepo.store.rawvfs.join(p) |
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560 dst = dstrepo.store.rawvfs.join(p) |
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561 util.copyfile(src, dst, copystat=True) |
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562 |
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563 finishdatamigration(ui, srcrepo, dstrepo, requirements) |
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564 |
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565 ui.status(_(b'data fully upgraded in a temporary repository\n')) |
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566 |
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567 if upgrade_op.backup_store: |
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568 backuppath = pycompat.mkdtemp( |
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569 prefix=b'upgradebackup.', dir=srcrepo.path |
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570 ) |
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571 backupvfs = vfsmod.vfs(backuppath) |
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572 |
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573 # Make a backup of requires file first, as it is the first to be modified. |
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574 util.copyfile( |
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575 srcrepo.vfs.join(b'requires'), backupvfs.join(b'requires') |
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576 ) |
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577 |
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578 # We install an arbitrary requirement that clients must not support |
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579 # as a mechanism to lock out new clients during the data swap. This is |
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580 # better than allowing a client to continue while the repository is in |
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581 # an inconsistent state. |
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582 ui.status( |
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583 _( |
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584 b'marking source repository as being upgraded; clients will be ' |
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585 b'unable to read from repository\n' |
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586 ) |
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587 ) |
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588 scmutil.writereporequirements( |
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589 srcrepo, srcrepo.requirements | {b'upgradeinprogress'} |
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590 ) |
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591 |
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592 ui.status(_(b'starting in-place swap of repository data\n')) |
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593 if upgrade_op.backup_store: |
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594 ui.status( |
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595 _(b'replaced files will be backed up at %s\n') % backuppath |
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596 ) |
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597 |
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598 # Now swap in the new store directory. Doing it as a rename should make |
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599 # the operation nearly instantaneous and atomic (at least in well-behaved |
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600 # environments). |
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601 ui.status(_(b'replacing store...\n')) |
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602 tstart = util.timer() |
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603 _replacestores(srcrepo, dstrepo, backupvfs, upgrade_op) |
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604 elapsed = util.timer() - tstart |
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605 ui.status( |
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606 _( |
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607 b'store replacement complete; repository was inconsistent for ' |
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608 b'%0.1fs\n' |
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609 ) |
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610 % elapsed |
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611 ) |
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612 |
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613 # We first write the requirements file. Any new requirements will lock |
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614 # out legacy clients. |
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615 ui.status( |
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616 _( |
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617 b'finalizing requirements file and making repository readable ' |
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618 b'again\n' |
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619 ) |
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620 ) |
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621 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |
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622 |
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623 if upgrade_op.backup_store: |
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624 # The lock file from the old store won't be removed because nothing has a |
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625 # reference to its new location. So clean it up manually. Alternatively, we |
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626 # could update srcrepo.svfs and other variables to point to the new |
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627 # location. This is simpler. |
46794 | 628 assert backupvfs is not None # help pytype |
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629 backupvfs.unlink(b'store/lock') |
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630 |
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631 return backuppath |
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632 |
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633 |
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634 def upgrade_dirstate(ui, srcrepo, upgrade_op, old, new): |
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635 if upgrade_op.backup_store: |
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636 backuppath = pycompat.mkdtemp( |
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637 prefix=b'upgradebackup.', dir=srcrepo.path |
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638 ) |
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639 ui.status(_(b'replaced files will be backed up at %s\n') % backuppath) |
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640 backupvfs = vfsmod.vfs(backuppath) |
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641 util.copyfile( |
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642 srcrepo.vfs.join(b'requires'), backupvfs.join(b'requires') |
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643 ) |
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644 try: |
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645 util.copyfile( |
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646 srcrepo.vfs.join(b'dirstate'), backupvfs.join(b'dirstate') |
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647 ) |
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648 except FileNotFoundError: |
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649 # The dirstate does not exist on an empty repo or a repo with no |
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650 # revision checked out |
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651 pass |
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652 |
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653 assert srcrepo.dirstate._use_dirstate_v2 == (old == b'v2') |
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654 srcrepo.dirstate._map.preload() |
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655 srcrepo.dirstate._use_dirstate_v2 = new == b'v2' |
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656 srcrepo.dirstate._map._use_dirstate_v2 = srcrepo.dirstate._use_dirstate_v2 |
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657 srcrepo.dirstate._dirty = True |
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658 try: |
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659 srcrepo.vfs.unlink(b'dirstate') |
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660 except FileNotFoundError: |
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661 # The dirstate does not exist on an empty repo or a repo with no |
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662 # revision checked out |
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663 pass |
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664 |
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665 srcrepo.dirstate.write(None) |
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666 |
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dirstate-v2: Add `hg debugupgraderepo` command support
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667 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |
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tracked-key: make it possible to upgrade to and downgrade from the feature
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668 |
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tracked-key: make it possible to upgrade to and downgrade from the feature
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669 |
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tracked-key: remove the dual write and rename to tracked-hint
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670 def upgrade_tracked_hint(ui, srcrepo, upgrade_op, add): |
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671 if add: |
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672 srcrepo.dirstate._use_tracked_hint = True |
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parents:
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673 srcrepo.dirstate._dirty = True |
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parents:
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674 srcrepo.dirstate._dirty_tracked_set = True |
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parents:
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675 srcrepo.dirstate.write(None) |
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parents:
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676 if not add: |
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tracked-key: remove the dual write and rename to tracked-hint
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677 srcrepo.dirstate.delete_tracked_hint() |
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parents:
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678 |
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tracked-key: make it possible to upgrade to and downgrade from the feature
Pierre-Yves David <pierre-yves.david@octobus.net>
parents:
48437
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679 scmutil.writereporequirements(srcrepo, upgrade_op.new_requirements) |