Mercurial > hg
annotate mercurial/repair.py @ 31758:04ec317b8128
hgweb: expose a followlines UI in filerevision view
In filerevision view (/file/<rev>/<fname>) we add some event listeners on
mouse clicks of <span> elements in the <pre class="sourcelines"> block.
Those listeners will capture a range of lines selected between two mouse
clicks and a box inviting to follow the history of selected lines will then
show up. Selected lines (i.e. the block of lines) get a CSS class which make
them highlighted. Selection can be cancelled (and restarted) by either
clicking on the cancel ("x") button in the invite box or clicking on any other
source line. Also clicking twice on the same line will abort the selection and
reset event listeners to restart the process.
As a first step, this action is only advertised by the "cursor: cell" CSS rule
on source lines elements as any other mechanisms would make the code
significantly more complicated. This might be improved later.
All JavaScript code lives in a new "linerangelog.js" file, sourced in
filerevision template (only in "paper" style for now).
author | Denis Laxalde <denis.laxalde@logilab.fr> |
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date | Wed, 29 Mar 2017 22:26:16 +0200 |
parents | 7095e783958d |
children | 70d163b86316 |
rev | line source |
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1 # repair.py - functions for repository repair for mercurial |
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2 # |
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3 # Copyright 2005, 2006 Chris Mason <mason@suse.com> |
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4 # Copyright 2007 Matt Mackall |
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5 # |
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6 # This software may be used and distributed according to the terms of the |
10263 | 7 # GNU General Public License version 2 or any later version. |
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8 |
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9 from __future__ import absolute_import |
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10 |
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11 import errno |
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12 import hashlib |
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13 import stat |
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14 import tempfile |
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15 |
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16 from .i18n import _ |
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17 from .node import short |
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18 from . import ( |
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19 bundle2, |
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20 changegroup, |
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21 changelog, |
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22 error, |
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23 exchange, |
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24 manifest, |
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25 obsolete, |
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26 revlog, |
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27 scmutil, |
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28 util, |
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29 vfs as vfsmod, |
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30 ) |
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31 |
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32 def _bundle(repo, bases, heads, node, suffix, compress=True): |
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33 """create a bundle with the specified revisions as a backup""" |
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34 cgversion = changegroup.safeversion(repo) |
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35 |
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36 cg = changegroup.changegroupsubset(repo, bases, heads, 'strip', |
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37 version=cgversion) |
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38 backupdir = "strip-backup" |
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39 vfs = repo.vfs |
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40 if not vfs.isdir(backupdir): |
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41 vfs.mkdir(backupdir) |
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42 |
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43 # Include a hash of all the nodes in the filename for uniqueness |
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44 allcommits = repo.set('%ln::%ln', bases, heads) |
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45 allhashes = sorted(c.hex() for c in allcommits) |
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46 totalhash = hashlib.sha1(''.join(allhashes)).hexdigest() |
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47 name = "%s/%s-%s-%s.hg" % (backupdir, short(node), totalhash[:8], suffix) |
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48 |
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49 comp = None |
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50 if cgversion != '01': |
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51 bundletype = "HG20" |
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52 if compress: |
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53 comp = 'BZ' |
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54 elif compress: |
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55 bundletype = "HG10BZ" |
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56 else: |
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57 bundletype = "HG10UN" |
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58 return bundle2.writebundle(repo.ui, cg, name, bundletype, vfs, |
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59 compression=comp) |
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60 |
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61 def _collectfiles(repo, striprev): |
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62 """find out the filelogs affected by the strip""" |
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63 files = set() |
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64 |
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65 for x in xrange(striprev, len(repo)): |
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66 files.update(repo[x].files()) |
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67 |
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68 return sorted(files) |
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69 |
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70 def _collectbrokencsets(repo, files, striprev): |
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71 """return the changesets which will be broken by the truncation""" |
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72 s = set() |
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73 def collectone(revlog): |
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74 _, brokenset = revlog.getstrippoint(striprev) |
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75 s.update([revlog.linkrev(r) for r in brokenset]) |
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76 |
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77 collectone(repo.manifestlog._revlog) |
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78 for fname in files: |
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79 collectone(repo.file(fname)) |
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80 |
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81 return s |
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82 |
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83 def strip(ui, repo, nodelist, backup=True, topic='backup'): |
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84 # This function operates within a transaction of its own, but does |
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85 # not take any lock on the repo. |
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86 # Simple way to maintain backwards compatibility for this |
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87 # argument. |
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88 if backup in ['none', 'strip']: |
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89 backup = False |
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90 |
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91 repo = repo.unfiltered() |
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92 repo.destroying() |
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93 |
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94 cl = repo.changelog |
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95 # TODO handle undo of merge sets |
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96 if isinstance(nodelist, str): |
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97 nodelist = [nodelist] |
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98 striplist = [cl.rev(node) for node in nodelist] |
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99 striprev = min(striplist) |
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100 |
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101 files = _collectfiles(repo, striprev) |
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102 saverevs = _collectbrokencsets(repo, files, striprev) |
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103 |
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104 # Some revisions with rev > striprev may not be descendants of striprev. |
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105 # We have to find these revisions and put them in a bundle, so that |
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106 # we can restore them after the truncations. |
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107 # To create the bundle we use repo.changegroupsubset which requires |
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108 # the list of heads and bases of the set of interesting revisions. |
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109 # (head = revision in the set that has no descendant in the set; |
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110 # base = revision in the set that has no ancestor in the set) |
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111 tostrip = set(striplist) |
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112 saveheads = set(saverevs) |
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113 for r in cl.revs(start=striprev + 1): |
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114 if any(p in tostrip for p in cl.parentrevs(r)): |
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115 tostrip.add(r) |
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116 |
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117 if r not in tostrip: |
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118 saverevs.add(r) |
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119 saveheads.difference_update(cl.parentrevs(r)) |
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120 saveheads.add(r) |
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121 saveheads = [cl.node(r) for r in saveheads] |
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122 |
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123 # compute base nodes |
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124 if saverevs: |
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125 descendants = set(cl.descendants(saverevs)) |
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126 saverevs.difference_update(descendants) |
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127 savebases = [cl.node(r) for r in saverevs] |
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128 stripbases = [cl.node(r) for r in tostrip] |
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129 |
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130 # For a set s, max(parents(s) - s) is the same as max(heads(::s - s)), but |
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131 # is much faster |
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132 newbmtarget = repo.revs('max(parents(%ld) - (%ld))', tostrip, tostrip) |
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133 if newbmtarget: |
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134 newbmtarget = repo[newbmtarget.first()].node() |
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135 else: |
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136 newbmtarget = '.' |
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137 |
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138 bm = repo._bookmarks |
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139 updatebm = [] |
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140 for m in bm: |
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141 rev = repo[bm[m]].rev() |
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142 if rev in tostrip: |
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143 updatebm.append(m) |
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144 |
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145 # create a changegroup for all the branches we need to keep |
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146 backupfile = None |
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147 vfs = repo.vfs |
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148 node = nodelist[-1] |
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149 if backup: |
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150 backupfile = _bundle(repo, stripbases, cl.heads(), node, topic) |
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151 repo.ui.status(_("saved backup bundle to %s\n") % |
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152 vfs.join(backupfile)) |
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153 repo.ui.log("backupbundle", "saved backup bundle to %s\n", |
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154 vfs.join(backupfile)) |
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155 tmpbundlefile = None |
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156 if saveheads: |
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157 # do not compress temporary bundle if we remove it from disk later |
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158 tmpbundlefile = _bundle(repo, savebases, saveheads, node, 'temp', |
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159 compress=False) |
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160 |
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161 mfst = repo.manifestlog._revlog |
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162 |
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163 curtr = repo.currenttransaction() |
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164 if curtr is not None: |
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165 del curtr # avoid carrying reference to transaction for nothing |
31645 | 166 raise error.ProgrammingError('cannot strip from inside a transaction') |
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167 |
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168 try: |
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169 with repo.transaction("strip") as tr: |
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170 offset = len(tr.entries) |
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171 |
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172 tr.startgroup() |
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173 cl.strip(striprev, tr) |
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174 mfst.strip(striprev, tr) |
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175 if 'treemanifest' in repo.requirements: # safe but unnecessary |
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176 # otherwise |
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177 for unencoded, encoded, size in repo.store.datafiles(): |
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178 if (unencoded.startswith('meta/') and |
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179 unencoded.endswith('00manifest.i')): |
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180 dir = unencoded[5:-12] |
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181 repo.manifestlog._revlog.dirlog(dir).strip(striprev, tr) |
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182 for fn in files: |
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183 repo.file(fn).strip(striprev, tr) |
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184 tr.endgroup() |
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185 |
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186 for i in xrange(offset, len(tr.entries)): |
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187 file, troffset, ignore = tr.entries[i] |
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188 with repo.svfs(file, 'a', checkambig=True) as fp: |
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189 fp.truncate(troffset) |
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190 if troffset == 0: |
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191 repo.store.markremoved(file) |
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192 |
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193 if tmpbundlefile: |
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194 ui.note(_("adding branch\n")) |
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195 f = vfs.open(tmpbundlefile, "rb") |
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196 gen = exchange.readbundle(ui, f, tmpbundlefile, vfs) |
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197 if not repo.ui.verbose: |
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198 # silence internal shuffling chatter |
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199 repo.ui.pushbuffer() |
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200 if isinstance(gen, bundle2.unbundle20): |
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201 with repo.transaction('strip') as tr: |
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202 tr.hookargs = {'source': 'strip', |
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203 'url': 'bundle:' + vfs.join(tmpbundlefile)} |
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204 bundle2.applybundle(repo, gen, tr, source='strip', |
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|
205 url='bundle:' + vfs.join(tmpbundlefile)) |
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|
206 else: |
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207 gen.apply(repo, 'strip', 'bundle:' + vfs.join(tmpbundlefile), |
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208 True) |
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209 if not repo.ui.verbose: |
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210 repo.ui.popbuffer() |
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|
211 f.close() |
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|
212 repo._phasecache.invalidate() |
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213 |
27157
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repair: use bookmarks.recordchange instead of bookmarks.write
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214 for m in updatebm: |
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215 bm[m] = repo[newbmtarget].node() |
31626
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repair: use context manager for lock management
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216 |
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217 with repo.lock(): |
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218 with repo.transaction('repair') as tr: |
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219 bm.recordchange(tr) |
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220 |
16237
b5c0c7d0f83f
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221 # remove undo files |
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222 for undovfs, undofile in repo.undofiles(): |
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223 try: |
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224 undovfs.unlink(undofile) |
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225 except OSError as e: |
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226 if e.errno != errno.ENOENT: |
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227 ui.warn(_('error removing %s: %s\n') % |
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228 (undovfs.join(undofile), str(e))) |
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229 |
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230 except: # re-raises |
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231 if backupfile: |
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232 ui.warn(_("strip failed, backup bundle stored in '%s'\n") |
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233 % vfs.join(backupfile)) |
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234 if tmpbundlefile: |
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235 ui.warn(_("strip failed, unrecovered changes stored in '%s'\n") |
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236 % vfs.join(tmpbundlefile)) |
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237 ui.warn(_("(fix the problem, then recover the changesets with " |
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238 "\"hg unbundle '%s'\")\n") % vfs.join(tmpbundlefile)) |
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239 raise |
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240 else: |
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241 if tmpbundlefile: |
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242 # Remove temporary bundle only if there were no exceptions |
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243 vfs.unlink(tmpbundlefile) |
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244 |
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245 repo.destroyed() |
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246 # return the backup file path (or None if 'backup' was False) so |
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247 # extensions can use it |
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248 return backupfile |
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249 |
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250 def rebuildfncache(ui, repo): |
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251 """Rebuilds the fncache file from repo history. |
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252 |
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253 Missing entries will be added. Extra entries will be removed. |
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254 """ |
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255 repo = repo.unfiltered() |
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256 |
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257 if 'fncache' not in repo.requirements: |
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258 ui.warn(_('(not rebuilding fncache because repository does not ' |
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259 'support fncache)\n')) |
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260 return |
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261 |
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262 with repo.lock(): |
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263 fnc = repo.store.fncache |
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264 # Trigger load of fncache. |
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265 if 'irrelevant' in fnc: |
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266 pass |
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267 |
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268 oldentries = set(fnc.entries) |
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269 newentries = set() |
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270 seenfiles = set() |
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271 |
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272 repolen = len(repo) |
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273 for rev in repo: |
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274 ui.progress(_('rebuilding'), rev, total=repolen, |
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275 unit=_('changesets')) |
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276 |
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277 ctx = repo[rev] |
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278 for f in ctx.files(): |
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279 # This is to minimize I/O. |
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280 if f in seenfiles: |
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281 continue |
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282 seenfiles.add(f) |
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283 |
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284 i = 'data/%s.i' % f |
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285 d = 'data/%s.d' % f |
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286 |
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287 if repo.store._exists(i): |
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288 newentries.add(i) |
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289 if repo.store._exists(d): |
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290 newentries.add(d) |
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291 |
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292 ui.progress(_('rebuilding'), None) |
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293 |
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294 if 'treemanifest' in repo.requirements: # safe but unnecessary otherwise |
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295 for dir in util.dirs(seenfiles): |
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296 i = 'meta/%s/00manifest.i' % dir |
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297 d = 'meta/%s/00manifest.d' % dir |
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298 |
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299 if repo.store._exists(i): |
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300 newentries.add(i) |
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301 if repo.store._exists(d): |
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302 newentries.add(d) |
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303 |
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304 addcount = len(newentries - oldentries) |
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305 removecount = len(oldentries - newentries) |
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306 for p in sorted(oldentries - newentries): |
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307 ui.write(_('removing %s\n') % p) |
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308 for p in sorted(newentries - oldentries): |
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309 ui.write(_('adding %s\n') % p) |
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310 |
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311 if addcount or removecount: |
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312 ui.write(_('%d items added, %d removed from fncache\n') % |
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313 (addcount, removecount)) |
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314 fnc.entries = newentries |
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315 fnc._dirty = True |
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316 |
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317 with repo.transaction('fncache') as tr: |
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318 fnc.write(tr) |
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319 else: |
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320 ui.write(_('fncache already up to date\n')) |
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321 |
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322 def stripbmrevset(repo, mark): |
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323 """ |
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324 The revset to strip when strip is called with -B mark |
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325 |
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326 Needs to live here so extensions can use it and wrap it even when strip is |
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327 not enabled or not present on a box. |
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328 """ |
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329 return repo.revs("ancestors(bookmark(%s)) - " |
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330 "ancestors(head() and not bookmark(%s)) - " |
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331 "ancestors(bookmark() and not bookmark(%s))", |
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332 mark, mark, mark) |
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333 |
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334 def deleteobsmarkers(obsstore, indices): |
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335 """Delete some obsmarkers from obsstore and return how many were deleted |
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336 |
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337 'indices' is a list of ints which are the indices |
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338 of the markers to be deleted. |
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339 |
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340 Every invocation of this function completely rewrites the obsstore file, |
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341 skipping the markers we want to be removed. The new temporary file is |
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342 created, remaining markers are written there and on .close() this file |
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343 gets atomically renamed to obsstore, thus guaranteeing consistency.""" |
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344 if not indices: |
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345 # we don't want to rewrite the obsstore with the same content |
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346 return |
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347 |
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348 left = [] |
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349 current = obsstore._all |
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350 n = 0 |
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351 for i, m in enumerate(current): |
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352 if i in indices: |
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353 n += 1 |
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354 continue |
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355 left.append(m) |
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356 |
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357 newobsstorefile = obsstore.svfs('obsstore', 'w', atomictemp=True) |
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358 for bytes in obsolete.encodemarkers(left, True, obsstore._version): |
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359 newobsstorefile.write(bytes) |
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360 newobsstorefile.close() |
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361 return n |
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362 |
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363 def upgraderequiredsourcerequirements(repo): |
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364 """Obtain requirements required to be present to upgrade a repo. |
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365 |
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366 An upgrade will not be allowed if the repository doesn't have the |
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367 requirements returned by this function. |
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368 """ |
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369 return set([ |
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370 # Introduced in Mercurial 0.9.2. |
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371 'revlogv1', |
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372 # Introduced in Mercurial 0.9.2. |
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373 'store', |
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374 ]) |
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375 |
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376 def upgradeblocksourcerequirements(repo): |
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377 """Obtain requirements that will prevent an upgrade from occurring. |
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378 |
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379 An upgrade cannot be performed if the source repository contains a |
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380 requirements in the returned set. |
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381 """ |
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382 return set([ |
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383 # The upgrade code does not yet support these experimental features. |
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384 # This is an artificial limitation. |
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385 'manifestv2', |
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386 'treemanifest', |
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387 # This was a precursor to generaldelta and was never enabled by default. |
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388 # It should (hopefully) not exist in the wild. |
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389 'parentdelta', |
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390 # Upgrade should operate on the actual store, not the shared link. |
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391 'shared', |
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392 ]) |
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393 |
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394 def upgradesupportremovedrequirements(repo): |
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395 """Obtain requirements that can be removed during an upgrade. |
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396 |
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397 If an upgrade were to create a repository that dropped a requirement, |
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398 the dropped requirement must appear in the returned set for the upgrade |
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399 to be allowed. |
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400 """ |
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401 return set() |
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402 |
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403 def upgradesupporteddestrequirements(repo): |
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404 """Obtain requirements that upgrade supports in the destination. |
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405 |
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406 If the result of the upgrade would create requirements not in this set, |
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407 the upgrade is disallowed. |
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408 |
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409 Extensions should monkeypatch this to add their custom requirements. |
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410 """ |
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411 return set([ |
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412 'dotencode', |
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413 'fncache', |
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414 'generaldelta', |
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415 'revlogv1', |
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416 'store', |
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417 ]) |
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418 |
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419 def upgradeallowednewrequirements(repo): |
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420 """Obtain requirements that can be added to a repository during upgrade. |
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421 |
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422 This is used to disallow proposed requirements from being added when |
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423 they weren't present before. |
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424 |
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425 We use a list of allowed requirement additions instead of a list of known |
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426 bad additions because the whitelist approach is safer and will prevent |
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427 future, unknown requirements from accidentally being added. |
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428 """ |
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429 return set([ |
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430 'dotencode', |
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431 'fncache', |
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432 'generaldelta', |
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433 ]) |
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434 |
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435 deficiency = 'deficiency' |
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436 optimisation = 'optimization' |
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437 |
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438 class upgradeimprovement(object): |
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439 """Represents an improvement that can be made as part of an upgrade. |
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440 |
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441 The following attributes are defined on each instance: |
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442 |
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443 name |
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444 Machine-readable string uniquely identifying this improvement. It |
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445 will be mapped to an action later in the upgrade process. |
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446 |
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447 type |
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448 Either ``deficiency`` or ``optimisation``. A deficiency is an obvious |
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449 problem. An optimization is an action (sometimes optional) that |
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450 can be taken to further improve the state of the repository. |
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451 |
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452 description |
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453 Message intended for humans explaining the improvement in more detail, |
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454 including the implications of it. For ``deficiency`` types, should be |
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455 worded in the present tense. For ``optimisation`` types, should be |
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456 worded in the future tense. |
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457 |
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458 upgrademessage |
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459 Message intended for humans explaining what an upgrade addressing this |
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460 issue will do. Should be worded in the future tense. |
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461 |
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462 fromdefault (``deficiency`` types only) |
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463 Boolean indicating whether the current (deficient) state deviates |
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464 from Mercurial's default configuration. |
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465 |
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466 fromconfig (``deficiency`` types only) |
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467 Boolean indicating whether the current (deficient) state deviates |
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468 from the current Mercurial configuration. |
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469 """ |
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470 def __init__(self, name, type, description, upgrademessage, **kwargs): |
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471 self.name = name |
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472 self.type = type |
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473 self.description = description |
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474 self.upgrademessage = upgrademessage |
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475 |
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476 for k, v in kwargs.items(): |
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477 setattr(self, k, v) |
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478 |
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479 def upgradefindimprovements(repo): |
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480 """Determine improvements that can be made to the repo during upgrade. |
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481 |
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482 Returns a list of ``upgradeimprovement`` describing repository deficiencies |
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483 and optimizations. |
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484 """ |
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485 # Avoid cycle: cmdutil -> repair -> localrepo -> cmdutil |
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486 from . import localrepo |
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487 |
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488 newreporeqs = localrepo.newreporequirements(repo) |
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489 |
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490 improvements = [] |
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491 |
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492 # We could detect lack of revlogv1 and store here, but they were added |
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493 # in 0.9.2 and we don't support upgrading repos without these |
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494 # requirements, so let's not bother. |
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495 |
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496 if 'fncache' not in repo.requirements: |
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497 improvements.append(upgradeimprovement( |
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498 name='fncache', |
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499 type=deficiency, |
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500 description=_('long and reserved filenames may not work correctly; ' |
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501 'repository performance is sub-optimal'), |
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502 upgrademessage=_('repository will be more resilient to storing ' |
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503 'certain paths and performance of certain ' |
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504 'operations should be improved'), |
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505 fromdefault=True, |
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506 fromconfig='fncache' in newreporeqs)) |
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507 |
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508 if 'dotencode' not in repo.requirements: |
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509 improvements.append(upgradeimprovement( |
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510 name='dotencode', |
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511 type=deficiency, |
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512 description=_('storage of filenames beginning with a period or ' |
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513 'space may not work correctly'), |
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514 upgrademessage=_('repository will be better able to store files ' |
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515 'beginning with a space or period'), |
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516 fromdefault=True, |
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517 fromconfig='dotencode' in newreporeqs)) |
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518 |
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519 if 'generaldelta' not in repo.requirements: |
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520 improvements.append(upgradeimprovement( |
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521 name='generaldelta', |
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522 type=deficiency, |
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523 description=_('deltas within internal storage are unable to ' |
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524 'choose optimal revisions; repository is larger and ' |
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525 'slower than it could be; interaction with other ' |
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526 'repositories may require extra network and CPU ' |
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527 'resources, making "hg push" and "hg pull" slower'), |
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528 upgrademessage=_('repository storage will be able to create ' |
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529 'optimal deltas; new repository data will be ' |
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530 'smaller and read times should decrease; ' |
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531 'interacting with other repositories using this ' |
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532 'storage model should require less network and ' |
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533 'CPU resources, making "hg push" and "hg pull" ' |
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534 'faster'), |
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535 fromdefault=True, |
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536 fromconfig='generaldelta' in newreporeqs)) |
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|
537 |
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538 # Mercurial 4.0 changed changelogs to not use delta chains. Search for |
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539 # changelogs with deltas. |
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540 cl = repo.changelog |
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541 for rev in cl: |
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542 chainbase = cl.chainbase(rev) |
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543 if chainbase != rev: |
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544 improvements.append(upgradeimprovement( |
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|
545 name='removecldeltachain', |
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546 type=deficiency, |
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547 description=_('changelog storage is using deltas instead of ' |
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548 'raw entries; changelog reading and any ' |
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549 'operation relying on changelog data are slower ' |
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550 'than they could be'), |
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551 upgrademessage=_('changelog storage will be reformated to ' |
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552 'store raw entries; changelog reading will be ' |
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553 'faster; changelog size may be reduced'), |
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554 fromdefault=True, |
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|
555 fromconfig=True)) |
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|
556 break |
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|
557 |
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558 # Now for the optimizations. |
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|
559 |
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|
560 # These are unconditionally added. There is logic later that figures out |
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561 # which ones to apply. |
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|
562 |
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|
563 improvements.append(upgradeimprovement( |
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564 name='redeltaparent', |
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565 type=optimisation, |
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566 description=_('deltas within internal storage will be recalculated to ' |
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|
567 'choose an optimal base revision where this was not ' |
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|
568 'already done; the size of the repository may shrink and ' |
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changeset
|
569 'various operations may become faster; the first time ' |
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570 'this optimization is performed could slow down upgrade ' |
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571 'execution considerably; subsequent invocations should ' |
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572 'not run noticeably slower'), |
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|
573 upgrademessage=_('deltas within internal storage will choose a new ' |
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|
574 'base revision if needed'))) |
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|
575 |
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changeset
|
576 improvements.append(upgradeimprovement( |
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577 name='redeltamultibase', |
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578 type=optimisation, |
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579 description=_('deltas within internal storage will be recalculated ' |
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|
580 'against multiple base revision and the smallest ' |
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changeset
|
581 'difference will be used; the size of the repository may ' |
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parents:
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changeset
|
582 'shrink significantly when there are many merges; this ' |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
583 'optimization will slow down execution in proportion to ' |
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|
584 'the number of merges in the repository and the amount ' |
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|
585 'of files in the repository; this slow down should not ' |
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586 'be significant unless there are tens of thousands of ' |
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587 'files and thousands of merges'), |
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|
588 upgrademessage=_('deltas within internal storage will choose an ' |
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589 'optimal delta by computing deltas against multiple ' |
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590 'parents; may slow down execution time ' |
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591 'significantly'))) |
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|
592 |
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593 improvements.append(upgradeimprovement( |
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594 name='redeltaall', |
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|
595 type=optimisation, |
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596 description=_('deltas within internal storage will always be ' |
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597 'recalculated without reusing prior deltas; this will ' |
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598 'likely make execution run several times slower; this ' |
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599 'optimization is typically not needed'), |
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600 upgrademessage=_('deltas within internal storage will be fully ' |
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601 'recomputed; this will likely drastically slow down ' |
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602 'execution time'))) |
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|
603 |
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604 return improvements |
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605 |
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606 def upgradedetermineactions(repo, improvements, sourcereqs, destreqs, |
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607 optimize): |
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608 """Determine upgrade actions that will be performed. |
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|
609 |
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610 Given a list of improvements as returned by ``upgradefindimprovements``, |
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|
611 determine the list of upgrade actions that will be performed. |
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612 |
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613 The role of this function is to filter improvements if needed, apply |
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614 recommended optimizations from the improvements list that make sense, |
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615 etc. |
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|
616 |
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617 Returns a list of action names. |
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618 """ |
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619 newactions = [] |
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620 |
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621 knownreqs = upgradesupporteddestrequirements(repo) |
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622 |
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623 for i in improvements: |
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624 name = i.name |
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625 |
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626 # If the action is a requirement that doesn't show up in the |
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627 # destination requirements, prune the action. |
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628 if name in knownreqs and name not in destreqs: |
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|
629 continue |
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|
630 |
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631 if i.type == deficiency: |
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632 newactions.append(name) |
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633 |
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634 newactions.extend(o for o in sorted(optimize) if o not in newactions) |
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635 |
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636 # FUTURE consider adding some optimizations here for certain transitions. |
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637 # e.g. adding generaldelta could schedule parent redeltas. |
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638 |
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639 return newactions |
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640 |
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641 def _revlogfrompath(repo, path): |
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642 """Obtain a revlog from a repo path. |
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643 |
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644 An instance of the appropriate class is returned. |
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645 """ |
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646 if path == '00changelog.i': |
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647 return changelog.changelog(repo.svfs) |
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648 elif path.endswith('00manifest.i'): |
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649 mandir = path[:-len('00manifest.i')] |
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650 return manifest.manifestrevlog(repo.svfs, dir=mandir) |
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651 else: |
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|
652 # Filelogs don't do anything special with settings. So we can use a |
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653 # vanilla revlog. |
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654 return revlog.revlog(repo.svfs, path) |
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655 |
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656 def _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, aggressivemergedeltas): |
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657 """Copy revlogs between 2 repos.""" |
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658 revcount = 0 |
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659 srcsize = 0 |
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660 srcrawsize = 0 |
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661 dstsize = 0 |
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662 fcount = 0 |
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663 frevcount = 0 |
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664 fsrcsize = 0 |
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665 frawsize = 0 |
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666 fdstsize = 0 |
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667 mcount = 0 |
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668 mrevcount = 0 |
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669 msrcsize = 0 |
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670 mrawsize = 0 |
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671 mdstsize = 0 |
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672 crevcount = 0 |
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673 csrcsize = 0 |
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674 crawsize = 0 |
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675 cdstsize = 0 |
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676 |
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677 # Perform a pass to collect metadata. This validates we can open all |
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678 # source files and allows a unified progress bar to be displayed. |
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679 for unencoded, encoded, size in srcrepo.store.walk(): |
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680 if unencoded.endswith('.d'): |
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681 continue |
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|
682 |
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|
683 rl = _revlogfrompath(srcrepo, unencoded) |
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684 revcount += len(rl) |
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685 |
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686 datasize = 0 |
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687 rawsize = 0 |
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688 idx = rl.index |
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689 for rev in rl: |
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|
690 e = idx[rev] |
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691 datasize += e[1] |
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692 rawsize += e[2] |
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693 |
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694 srcsize += datasize |
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|
695 srcrawsize += rawsize |
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|
696 |
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697 # This is for the separate progress bars. |
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698 if isinstance(rl, changelog.changelog): |
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699 crevcount += len(rl) |
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|
700 csrcsize += datasize |
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|
701 crawsize += rawsize |
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702 elif isinstance(rl, manifest.manifestrevlog): |
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|
703 mcount += 1 |
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704 mrevcount += len(rl) |
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|
705 msrcsize += datasize |
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|
706 mrawsize += rawsize |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
707 elif isinstance(rl, revlog.revlog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
708 fcount += 1 |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
709 frevcount += len(rl) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
710 fsrcsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
711 frawsize += rawsize |
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repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
712 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
713 if not revcount: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
714 return |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
715 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
716 ui.write(_('migrating %d total revisions (%d in filelogs, %d in manifests, ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
717 '%d in changelog)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
718 (revcount, frevcount, mrevcount, crevcount)) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
719 ui.write(_('migrating %s in store; %s tracked data\n') % ( |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
720 (util.bytecount(srcsize), util.bytecount(srcrawsize)))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
721 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
722 # Used to keep track of progress. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
723 progress = [] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
724 def oncopiedrevision(rl, rev, node): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
725 progress[1] += 1 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
726 srcrepo.ui.progress(progress[0], progress[1], total=progress[2]) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
727 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
728 # Do the actual copying. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
729 # FUTURE this operation can be farmed off to worker processes. |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
730 seen = set() |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
731 for unencoded, encoded, size in srcrepo.store.walk(): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
732 if unencoded.endswith('.d'): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
733 continue |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
734 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
735 oldrl = _revlogfrompath(srcrepo, unencoded) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
736 newrl = _revlogfrompath(dstrepo, unencoded) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
737 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
738 if isinstance(oldrl, changelog.changelog) and 'c' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
739 ui.write(_('finished migrating %d manifest revisions across %d ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
740 'manifests; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
741 (mrevcount, mcount, util.bytecount(mdstsize - msrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
742 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
743 ui.write(_('migrating changelog containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
744 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
745 (crevcount, util.bytecount(csrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
746 util.bytecount(crawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
747 seen.add('c') |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
748 progress[:] = [_('changelog revisions'), 0, crevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
749 elif isinstance(oldrl, manifest.manifestrevlog) and 'm' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
750 ui.write(_('finished migrating %d filelog revisions across %d ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
751 'filelogs; change in size: %s\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
752 (frevcount, fcount, util.bytecount(fdstsize - fsrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
753 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
754 ui.write(_('migrating %d manifests containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
755 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
756 (mcount, mrevcount, util.bytecount(msrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
757 util.bytecount(mrawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
758 seen.add('m') |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
759 progress[:] = [_('manifest revisions'), 0, mrevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
760 elif 'f' not in seen: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
761 ui.write(_('migrating %d filelogs containing %d revisions ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
762 '(%s in store; %s tracked data)\n') % |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
763 (fcount, frevcount, util.bytecount(fsrcsize), |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
764 util.bytecount(frawsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
765 seen.add('f') |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
766 progress[:] = [_('file revisions'), 0, frevcount] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
767 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
768 ui.progress(progress[0], progress[1], total=progress[2]) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
769 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
770 ui.note(_('cloning %d revisions from %s\n') % (len(oldrl), unencoded)) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
771 oldrl.clone(tr, newrl, addrevisioncb=oncopiedrevision, |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
772 deltareuse=deltareuse, |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
773 aggressivemergedeltas=aggressivemergedeltas) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
774 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
775 datasize = 0 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
776 idx = newrl.index |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
777 for rev in newrl: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
778 datasize += idx[rev][1] |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
779 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
780 dstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
781 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
782 if isinstance(newrl, changelog.changelog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
783 cdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
784 elif isinstance(newrl, manifest.manifestrevlog): |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
785 mdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
786 else: |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
787 fdstsize += datasize |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
788 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
789 ui.progress(progress[0], None) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
790 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
791 ui.write(_('finished migrating %d changelog revisions; change in size: ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
792 '%s\n') % (crevcount, util.bytecount(cdstsize - csrcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
793 |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
794 ui.write(_('finished migrating %d total revisions; total change in store ' |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
795 'size: %s\n') % (revcount, util.bytecount(dstsize - srcsize))) |
38aa1ca97b6a
repair: migrate revlogs during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30777
diff
changeset
|
796 |
30780
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
797 def _upgradefilterstorefile(srcrepo, dstrepo, requirements, path, mode, st): |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
798 """Determine whether to copy a store file during upgrade. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
799 |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
800 This function is called when migrating store files from ``srcrepo`` to |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
801 ``dstrepo`` as part of upgrading a repository. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
802 |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
803 Args: |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
804 srcrepo: repo we are copying from |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
805 dstrepo: repo we are copying to |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
806 requirements: set of requirements for ``dstrepo`` |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
807 path: store file being examined |
2603d04889e1
repair: copy non-revlog store files during upgrade
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parents:
30779
diff
changeset
|
808 mode: the ``ST_MODE`` file type of ``path`` |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
809 st: ``stat`` data structure for ``path`` |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
810 |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
811 Function should return ``True`` if the file is to be copied. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
812 """ |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
813 # Skip revlogs. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
814 if path.endswith(('.i', '.d')): |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
30779
diff
changeset
|
815 return False |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
816 # Skip transaction related files. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
817 if path.startswith('undo'): |
2603d04889e1
repair: copy non-revlog store files during upgrade
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parents:
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diff
changeset
|
818 return False |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
819 # Only copy regular files. |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
820 if mode != stat.S_IFREG: |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
821 return False |
2603d04889e1
repair: copy non-revlog store files during upgrade
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
822 # Skip other skipped files. |
2603d04889e1
repair: copy non-revlog store files during upgrade
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parents:
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diff
changeset
|
823 if path in ('lock', 'fncache'): |
2603d04889e1
repair: copy non-revlog store files during upgrade
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parents:
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diff
changeset
|
824 return False |
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825 |
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826 return True |
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827 |
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828 def _upgradefinishdatamigration(ui, srcrepo, dstrepo, requirements): |
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829 """Hook point for extensions to perform additional actions during upgrade. |
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830 |
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831 This function is called after revlogs and store files have been copied but |
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832 before the new store is swapped into the original location. |
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833 """ |
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834 |
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835 def _upgraderepo(ui, srcrepo, dstrepo, requirements, actions): |
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836 """Do the low-level work of upgrading a repository. |
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837 |
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838 The upgrade is effectively performed as a copy between a source |
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839 repository and a temporary destination repository. |
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840 |
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841 The source repository is unmodified for as long as possible so the |
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842 upgrade can abort at any time without causing loss of service for |
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843 readers and without corrupting the source repository. |
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844 """ |
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845 assert srcrepo.currentwlock() |
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846 assert dstrepo.currentwlock() |
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847 |
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848 ui.write(_('(it is safe to interrupt this process any time before ' |
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849 'data migration completes)\n')) |
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850 |
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851 if 'redeltaall' in actions: |
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852 deltareuse = revlog.revlog.DELTAREUSENEVER |
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853 elif 'redeltaparent' in actions: |
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854 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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855 elif 'redeltamultibase' in actions: |
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856 deltareuse = revlog.revlog.DELTAREUSESAMEREVS |
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857 else: |
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858 deltareuse = revlog.revlog.DELTAREUSEALWAYS |
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859 |
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860 with dstrepo.transaction('upgrade') as tr: |
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861 _copyrevlogs(ui, srcrepo, dstrepo, tr, deltareuse, |
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862 'redeltamultibase' in actions) |
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863 |
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864 # Now copy other files in the store directory. |
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865 for p, kind, st in srcrepo.store.vfs.readdir('', stat=True): |
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866 if not _upgradefilterstorefile(srcrepo, dstrepo, requirements, |
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867 p, kind, st): |
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868 continue |
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869 |
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870 srcrepo.ui.write(_('copying %s\n') % p) |
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871 src = srcrepo.store.vfs.join(p) |
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872 dst = dstrepo.store.vfs.join(p) |
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873 util.copyfile(src, dst, copystat=True) |
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874 |
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875 _upgradefinishdatamigration(ui, srcrepo, dstrepo, requirements) |
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876 |
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877 ui.write(_('data fully migrated to temporary repository\n')) |
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878 |
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879 backuppath = tempfile.mkdtemp(prefix='upgradebackup.', dir=srcrepo.path) |
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880 backupvfs = vfsmod.vfs(backuppath) |
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881 |
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882 # Make a backup of requires file first, as it is the first to be modified. |
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883 util.copyfile(srcrepo.vfs.join('requires'), backupvfs.join('requires')) |
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884 |
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885 # We install an arbitrary requirement that clients must not support |
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886 # as a mechanism to lock out new clients during the data swap. This is |
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887 # better than allowing a client to continue while the repository is in |
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888 # an inconsistent state. |
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889 ui.write(_('marking source repository as being upgraded; clients will be ' |
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890 'unable to read from repository\n')) |
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891 scmutil.writerequires(srcrepo.vfs, |
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892 srcrepo.requirements | set(['upgradeinprogress'])) |
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893 |
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894 ui.write(_('starting in-place swap of repository data\n')) |
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895 ui.write(_('replaced files will be backed up at %s\n') % |
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896 backuppath) |
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897 |
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898 # Now swap in the new store directory. Doing it as a rename should make |
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899 # the operation nearly instantaneous and atomic (at least in well-behaved |
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900 # environments). |
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901 ui.write(_('replacing store...\n')) |
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902 tstart = util.timer() |
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903 util.rename(srcrepo.spath, backupvfs.join('store')) |
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904 util.rename(dstrepo.spath, srcrepo.spath) |
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905 elapsed = util.timer() - tstart |
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906 ui.write(_('store replacement complete; repository was inconsistent for ' |
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907 '%0.1fs\n') % elapsed) |
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908 |
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909 # We first write the requirements file. Any new requirements will lock |
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910 # out legacy clients. |
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911 ui.write(_('finalizing requirements file and making repository readable ' |
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912 'again\n')) |
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913 scmutil.writerequires(srcrepo.vfs, requirements) |
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914 |
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915 # The lock file from the old store won't be removed because nothing has a |
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916 # reference to its new location. So clean it up manually. Alternatively, we |
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917 # could update srcrepo.svfs and other variables to point to the new |
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918 # location. This is simpler. |
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919 backupvfs.unlink('store/lock') |
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920 |
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921 return backuppath |
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922 |
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923 def upgraderepo(ui, repo, run=False, optimize=None): |
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924 """Upgrade a repository in place.""" |
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925 # Avoid cycle: cmdutil -> repair -> localrepo -> cmdutil |
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926 from . import localrepo |
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927 |
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928 optimize = set(optimize or []) |
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929 repo = repo.unfiltered() |
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930 |
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931 # Ensure the repository can be upgraded. |
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932 missingreqs = upgraderequiredsourcerequirements(repo) - repo.requirements |
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933 if missingreqs: |
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934 raise error.Abort(_('cannot upgrade repository; requirement ' |
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935 'missing: %s') % _(', ').join(sorted(missingreqs))) |
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936 |
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937 blockedreqs = upgradeblocksourcerequirements(repo) & repo.requirements |
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938 if blockedreqs: |
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939 raise error.Abort(_('cannot upgrade repository; unsupported source ' |
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940 'requirement: %s') % |
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parents:
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941 _(', ').join(sorted(blockedreqs))) |
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diff
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|
942 |
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943 # FUTURE there is potentially a need to control the wanted requirements via |
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944 # command arguments or via an extension hook point. |
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diff
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|
945 newreqs = localrepo.newreporequirements(repo) |
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changeset
|
946 |
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diff
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|
947 noremovereqs = (repo.requirements - newreqs - |
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diff
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948 upgradesupportremovedrequirements(repo)) |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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949 if noremovereqs: |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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950 raise error.Abort(_('cannot upgrade repository; requirement would be ' |
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repair: implement requirements checking for upgrades
Gregory Szorc <gregory.szorc@gmail.com>
parents:
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951 'removed: %s') % _(', ').join(sorted(noremovereqs))) |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
952 |
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parents:
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diff
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|
953 noaddreqs = (newreqs - repo.requirements - |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
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|
954 upgradeallowednewrequirements(repo)) |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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955 if noaddreqs: |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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956 raise error.Abort(_('cannot upgrade repository; do not support adding ' |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
957 'requirement: %s') % |
513d68a90398
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diff
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|
958 _(', ').join(sorted(noaddreqs))) |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
959 |
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diff
changeset
|
960 unsupportedreqs = newreqs - upgradesupporteddestrequirements(repo) |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
961 if unsupportedreqs: |
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parents:
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changeset
|
962 raise error.Abort(_('cannot upgrade repository; do not support ' |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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963 'destination requirement: %s') % |
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parents:
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diff
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964 _(', ').join(sorted(unsupportedreqs))) |
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|
965 |
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diff
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|
966 # Find and validate all improvements that can be made. |
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diff
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967 improvements = upgradefindimprovements(repo) |
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968 for i in improvements: |
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parents:
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diff
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|
969 if i.type not in (deficiency, optimisation): |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
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970 raise error.Abort(_('unexpected improvement type %s for %s') % ( |
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diff
changeset
|
971 i.type, i.name)) |
3997edc4a86d
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|
972 |
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changeset
|
973 # Validate arguments. |
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diff
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|
974 unknownoptimize = optimize - set(i.name for i in improvements |
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diff
changeset
|
975 if i.type == optimisation) |
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|
976 if unknownoptimize: |
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parents:
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|
977 raise error.Abort(_('unknown optimization action requested: %s') % |
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repair: determine what upgrade will do
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diff
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|
978 ', '.join(sorted(unknownoptimize)), |
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changeset
|
979 hint=_('run without arguments to see valid ' |
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parents:
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diff
changeset
|
980 'optimizations')) |
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parents:
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|
981 |
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parents:
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changeset
|
982 actions = upgradedetermineactions(repo, improvements, repo.requirements, |
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diff
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|
983 newreqs, optimize) |
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parents:
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diff
changeset
|
984 |
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diff
changeset
|
985 def printrequirements(): |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
986 ui.write(_('requirements\n')) |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
987 ui.write(_(' preserved: %s\n') % |
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diff
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|
988 _(', ').join(sorted(newreqs & repo.requirements))) |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
989 |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
990 if repo.requirements - newreqs: |
513d68a90398
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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changeset
|
991 ui.write(_(' removed: %s\n') % |
513d68a90398
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diff
changeset
|
992 _(', ').join(sorted(repo.requirements - newreqs))) |
513d68a90398
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parents:
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diff
changeset
|
993 |
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diff
changeset
|
994 if newreqs - repo.requirements: |
513d68a90398
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diff
changeset
|
995 ui.write(_(' added: %s\n') % |
513d68a90398
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parents:
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diff
changeset
|
996 _(', ').join(sorted(newreqs - repo.requirements))) |
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parents:
30707
diff
changeset
|
997 |
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diff
changeset
|
998 ui.write('\n') |
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Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
999 |
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|
1000 def printupgradeactions(): |
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parents:
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diff
changeset
|
1001 for action in actions: |
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Gregory Szorc <gregory.szorc@gmail.com>
parents:
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diff
changeset
|
1002 for i in improvements: |
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repair: determine what upgrade will do
Gregory Szorc <gregory.szorc@gmail.com>
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diff
changeset
|
1003 if i.name == action: |
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changeset
|
1004 ui.write('%s\n %s\n\n' % |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1005 (i.name, i.upgrademessage)) |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1006 |
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diff
changeset
|
1007 if not run: |
30776
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|
1008 fromdefault = [] |
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diff
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|
1009 fromconfig = [] |
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|
1010 optimizations = [] |
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diff
changeset
|
1011 |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1012 for i in improvements: |
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parents:
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diff
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|
1013 assert i.type in (deficiency, optimisation) |
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|
1014 if i.type == deficiency: |
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|
1015 if i.fromdefault: |
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|
1016 fromdefault.append(i) |
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1017 if i.fromconfig: |
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|
1018 fromconfig.append(i) |
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|
1019 else: |
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|
1020 optimizations.append(i) |
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|
1021 |
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|
1022 if fromdefault or fromconfig: |
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|
1023 fromconfignames = set(x.name for x in fromconfig) |
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|
1024 onlydefault = [i for i in fromdefault |
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|
1025 if i.name not in fromconfignames] |
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|
1026 |
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changeset
|
1027 if fromconfig: |
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|
1028 ui.write(_('repository lacks features recommended by ' |
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|
1029 'current config options:\n\n')) |
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|
1030 for i in fromconfig: |
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|
1031 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
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|
1032 |
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changeset
|
1033 if onlydefault: |
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changeset
|
1034 ui.write(_('repository lacks features used by the default ' |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1035 'config options:\n\n')) |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1036 for i in onlydefault: |
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|
1037 ui.write('%s\n %s\n\n' % (i.name, i.description)) |
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changeset
|
1038 |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1039 ui.write('\n') |
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|
1040 else: |
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|
1041 ui.write(_('(no feature deficiencies found in existing ' |
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|
1042 'repository)\n')) |
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changeset
|
1043 |
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|
1044 ui.write(_('performing an upgrade with "--run" will make the following ' |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1045 'changes:\n\n')) |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1046 |
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|
1047 printrequirements() |
30776
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|
1048 printupgradeactions() |
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changeset
|
1049 |
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1050 unusedoptimize = [i for i in improvements |
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|
1051 if i.name not in actions and i.type == optimisation] |
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Gregory Szorc <gregory.szorc@gmail.com>
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|
1052 if unusedoptimize: |
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|
1053 ui.write(_('additional optimizations are available by specifying ' |
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changeset
|
1054 '"--optimize <name>":\n\n')) |
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changeset
|
1055 for i in unusedoptimize: |
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Gregory Szorc <gregory.szorc@gmail.com>
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changeset
|
1056 ui.write(_('%s\n %s\n\n') % (i.name, i.description)) |
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|
1057 return |
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changeset
|
1058 |
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changeset
|
1059 # Else we're in the run=true case. |
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1060 ui.write(_('upgrade will perform the following actions:\n\n')) |
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1061 printrequirements() |
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1062 printupgradeactions() |
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1063 |
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1064 ui.write(_('beginning upgrade...\n')) |
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1065 with repo.wlock(): |
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1066 with repo.lock(): |
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1067 ui.write(_('repository locked and read-only\n')) |
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1068 # Our strategy for upgrading the repository is to create a new, |
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1069 # temporary repository, write data to it, then do a swap of the |
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1070 # data. There are less heavyweight ways to do this, but it is easier |
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1071 # to create a new repo object than to instantiate all the components |
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1072 # (like the store) separately. |
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1073 tmppath = tempfile.mkdtemp(prefix='upgrade.', dir=repo.path) |
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1074 backuppath = None |
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1075 try: |
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1076 ui.write(_('creating temporary repository to stage migrated ' |
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1077 'data: %s\n') % tmppath) |
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1078 dstrepo = localrepo.localrepository(repo.baseui, |
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1079 path=tmppath, |
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1080 create=True) |
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1081 |
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1082 with dstrepo.wlock(): |
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1083 with dstrepo.lock(): |
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1084 backuppath = _upgraderepo(ui, repo, dstrepo, newreqs, |
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1085 actions) |
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1086 |
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1087 finally: |
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1088 ui.write(_('removing temporary repository %s\n') % tmppath) |
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1089 repo.vfs.rmtree(tmppath, forcibly=True) |
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1090 |
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1091 if backuppath: |
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1092 ui.warn(_('copy of old repository backed up at %s\n') % |
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1093 backuppath) |
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1094 ui.warn(_('the old repository will not be deleted; remove ' |
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1095 'it to free up disk space once the upgraded ' |
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1096 'repository is verified\n')) |