author | Augie Fackler <augie@google.com> |
Sat, 05 Oct 2019 09:55:56 -0400 | |
changeset 43049 | 6e8582ccf76d |
parent 42943 | 5fadf6103790 |
child 43076 | 2372284d9457 |
permissions | -rw-r--r-- |
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from __future__ import absolute_import |
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import os |
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import time |
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from mercurial.i18n import _ |
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from mercurial.node import ( |
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nullid, |
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short, |
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) |
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from mercurial import ( |
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encoding, |
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error, |
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lock as lockmod, |
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mdiff, |
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policy, |
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pycompat, |
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scmutil, |
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util, |
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vfs, |
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) |
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from mercurial.utils import procutil |
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from . import ( |
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constants, |
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contentstore, |
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datapack, |
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historypack, |
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metadatastore, |
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shallowutil, |
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) |
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osutil = policy.importmod(r'osutil') |
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class RepackAlreadyRunning(error.Abort): |
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pass |
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def backgroundrepack(repo, incremental=True, packsonly=False, |
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ensurestart=False): |
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cmd = [procutil.hgexecutable(), '-R', repo.origroot, 'repack'] |
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msg = _("(running background repack)\n") |
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if incremental: |
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cmd.append('--incremental') |
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msg = _("(running background incremental repack)\n") |
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if packsonly: |
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cmd.append('--packsonly') |
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repo.ui.warn(msg) |
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# We know this command will find a binary, so don't block on it starting. |
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procutil.runbgcommand(cmd, encoding.environ, ensurestart=ensurestart) |
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def fullrepack(repo, options=None): |
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"""If ``packsonly`` is True, stores creating only loose objects are skipped. |
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""" |
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if util.safehasattr(repo, 'shareddatastores'): |
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datasource = contentstore.unioncontentstore( |
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*repo.shareddatastores) |
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historysource = metadatastore.unionmetadatastore( |
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*repo.sharedhistorystores, |
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allowincomplete=True) |
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packpath = shallowutil.getcachepackpath( |
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repo, |
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constants.FILEPACK_CATEGORY) |
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_runrepack(repo, datasource, historysource, packpath, |
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constants.FILEPACK_CATEGORY, options=options) |
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if util.safehasattr(repo.manifestlog, 'datastore'): |
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localdata, shareddata = _getmanifeststores(repo) |
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lpackpath, ldstores, lhstores = localdata |
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spackpath, sdstores, shstores = shareddata |
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# Repack the shared manifest store |
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datasource = contentstore.unioncontentstore(*sdstores) |
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historysource = metadatastore.unionmetadatastore( |
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*shstores, |
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allowincomplete=True) |
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_runrepack(repo, datasource, historysource, spackpath, |
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constants.TREEPACK_CATEGORY, options=options) |
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# Repack the local manifest store |
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datasource = contentstore.unioncontentstore( |
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*ldstores, |
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allowincomplete=True) |
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historysource = metadatastore.unionmetadatastore( |
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*lhstores, |
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allowincomplete=True) |
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_runrepack(repo, datasource, historysource, lpackpath, |
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constants.TREEPACK_CATEGORY, options=options) |
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def incrementalrepack(repo, options=None): |
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"""This repacks the repo by looking at the distribution of pack files in the |
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repo and performing the most minimal repack to keep the repo in good shape. |
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""" |
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if util.safehasattr(repo, 'shareddatastores'): |
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packpath = shallowutil.getcachepackpath( |
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repo, |
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constants.FILEPACK_CATEGORY) |
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_incrementalrepack(repo, |
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repo.shareddatastores, |
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repo.sharedhistorystores, |
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packpath, |
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constants.FILEPACK_CATEGORY, |
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options=options) |
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if util.safehasattr(repo.manifestlog, 'datastore'): |
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105 |
localdata, shareddata = _getmanifeststores(repo) |
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106 |
lpackpath, ldstores, lhstores = localdata |
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107 |
spackpath, sdstores, shstores = shareddata |
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108 |
|
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109 |
# Repack the shared manifest store |
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110 |
_incrementalrepack(repo, |
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111 |
sdstores, |
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112 |
shstores, |
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113 |
spackpath, |
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114 |
constants.TREEPACK_CATEGORY, |
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115 |
options=options) |
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116 |
|
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117 |
# Repack the local manifest store |
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118 |
_incrementalrepack(repo, |
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119 |
ldstores, |
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120 |
lhstores, |
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121 |
lpackpath, |
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122 |
constants.TREEPACK_CATEGORY, |
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123 |
allowincompletedata=True, |
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124 |
options=options) |
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125 |
|
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126 |
def _getmanifeststores(repo): |
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127 |
shareddatastores = repo.manifestlog.shareddatastores |
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128 |
localdatastores = repo.manifestlog.localdatastores |
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129 |
sharedhistorystores = repo.manifestlog.sharedhistorystores |
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130 |
localhistorystores = repo.manifestlog.localhistorystores |
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131 |
|
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132 |
sharedpackpath = shallowutil.getcachepackpath(repo, |
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133 |
constants.TREEPACK_CATEGORY) |
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134 |
localpackpath = shallowutil.getlocalpackpath(repo.svfs.vfs.base, |
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135 |
constants.TREEPACK_CATEGORY) |
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136 |
|
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137 |
return ((localpackpath, localdatastores, localhistorystores), |
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138 |
(sharedpackpath, shareddatastores, sharedhistorystores)) |
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139 |
|
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140 |
def _topacks(packpath, files, constructor): |
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141 |
paths = list(os.path.join(packpath, p) for p in files) |
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142 |
packs = list(constructor(p) for p in paths) |
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143 |
return packs |
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144 |
|
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145 |
def _deletebigpacks(repo, folder, files): |
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146 |
"""Deletes packfiles that are bigger than ``packs.maxpacksize``. |
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147 |
|
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148 |
Returns ``files` with the removed files omitted.""" |
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149 |
maxsize = repo.ui.configbytes("packs", "maxpacksize") |
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150 |
if maxsize <= 0: |
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151 |
return files |
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152 |
|
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153 |
# This only considers datapacks today, but we could broaden it to include |
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154 |
# historypacks. |
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155 |
VALIDEXTS = [".datapack", ".dataidx"] |
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156 |
|
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157 |
# Either an oversize index or datapack will trigger cleanup of the whole |
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158 |
# pack: |
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159 |
oversized = {os.path.splitext(path)[0] for path, ftype, stat in files |
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160 |
if (stat.st_size > maxsize and (os.path.splitext(path)[1] |
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161 |
in VALIDEXTS))} |
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162 |
|
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163 |
for rootfname in oversized: |
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164 |
rootpath = os.path.join(folder, rootfname) |
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165 |
for ext in VALIDEXTS: |
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166 |
path = rootpath + ext |
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167 |
repo.ui.debug('removing oversize packfile %s (%s)\n' % |
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168 |
(path, util.bytecount(os.stat(path).st_size))) |
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169 |
os.unlink(path) |
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170 |
return [row for row in files if os.path.basename(row[0]) not in oversized] |
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|
171 |
|
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172 |
def _incrementalrepack(repo, datastore, historystore, packpath, category, |
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173 |
allowincompletedata=False, options=None): |
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174 |
shallowutil.mkstickygroupdir(repo.ui, packpath) |
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175 |
|
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176 |
files = osutil.listdir(packpath, stat=True) |
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177 |
files = _deletebigpacks(repo, packpath, files) |
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178 |
datapacks = _topacks(packpath, |
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179 |
_computeincrementaldatapack(repo.ui, files), |
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180 |
datapack.datapack) |
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181 |
datapacks.extend(s for s in datastore |
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182 |
if not isinstance(s, datapack.datapackstore)) |
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183 |
|
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184 |
historypacks = _topacks(packpath, |
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185 |
_computeincrementalhistorypack(repo.ui, files), |
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186 |
historypack.historypack) |
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187 |
historypacks.extend(s for s in historystore |
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188 |
if not isinstance(s, historypack.historypackstore)) |
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189 |
|
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190 |
# ``allhistory{files,packs}`` contains all known history packs, even ones we |
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191 |
# don't plan to repack. They are used during the datapack repack to ensure |
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192 |
# good ordering of nodes. |
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193 |
allhistoryfiles = _allpackfileswithsuffix(files, historypack.PACKSUFFIX, |
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194 |
historypack.INDEXSUFFIX) |
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195 |
allhistorypacks = _topacks(packpath, |
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196 |
(f for f, mode, stat in allhistoryfiles), |
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197 |
historypack.historypack) |
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198 |
allhistorypacks.extend(s for s in historystore |
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199 |
if not isinstance(s, historypack.historypackstore)) |
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200 |
_runrepack(repo, |
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201 |
contentstore.unioncontentstore( |
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202 |
*datapacks, |
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203 |
allowincomplete=allowincompletedata), |
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204 |
metadatastore.unionmetadatastore( |
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205 |
*historypacks, |
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206 |
allowincomplete=True), |
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207 |
packpath, category, |
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fullhistory=metadatastore.unionmetadatastore( |
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209 |
*allhistorypacks, |
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allowincomplete=True), |
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211 |
options=options) |
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212 |
|
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213 |
def _computeincrementaldatapack(ui, files): |
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opts = { |
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'gencountlimit' : ui.configint( |
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'remotefilelog', 'data.gencountlimit'), |
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'generations' : ui.configlist( |
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'remotefilelog', 'data.generations'), |
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219 |
'maxrepackpacks' : ui.configint( |
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'remotefilelog', 'data.maxrepackpacks'), |
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221 |
'repackmaxpacksize' : ui.configbytes( |
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222 |
'remotefilelog', 'data.repackmaxpacksize'), |
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223 |
'repacksizelimit' : ui.configbytes( |
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'remotefilelog', 'data.repacksizelimit'), |
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225 |
} |
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226 |
|
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227 |
packfiles = _allpackfileswithsuffix( |
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files, datapack.PACKSUFFIX, datapack.INDEXSUFFIX) |
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229 |
return _computeincrementalpack(packfiles, opts) |
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230 |
|
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231 |
def _computeincrementalhistorypack(ui, files): |
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232 |
opts = { |
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233 |
'gencountlimit' : ui.configint( |
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'remotefilelog', 'history.gencountlimit'), |
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235 |
'generations' : ui.configlist( |
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236 |
'remotefilelog', 'history.generations', ['100MB']), |
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237 |
'maxrepackpacks' : ui.configint( |
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238 |
'remotefilelog', 'history.maxrepackpacks'), |
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239 |
'repackmaxpacksize' : ui.configbytes( |
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240 |
'remotefilelog', 'history.repackmaxpacksize', '400MB'), |
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241 |
'repacksizelimit' : ui.configbytes( |
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242 |
'remotefilelog', 'history.repacksizelimit'), |
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243 |
} |
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244 |
|
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245 |
packfiles = _allpackfileswithsuffix( |
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246 |
files, historypack.PACKSUFFIX, historypack.INDEXSUFFIX) |
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247 |
return _computeincrementalpack(packfiles, opts) |
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248 |
|
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249 |
def _allpackfileswithsuffix(files, packsuffix, indexsuffix): |
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250 |
result = [] |
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251 |
fileset = set(fn for fn, mode, stat in files) |
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for filename, mode, stat in files: |
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253 |
if not filename.endswith(packsuffix): |
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254 |
continue |
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255 |
|
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256 |
prefix = filename[:-len(packsuffix)] |
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257 |
|
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258 |
# Don't process a pack if it doesn't have an index. |
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259 |
if (prefix + indexsuffix) not in fileset: |
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260 |
continue |
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261 |
result.append((prefix, mode, stat)) |
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262 |
|
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263 |
return result |
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264 |
|
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265 |
def _computeincrementalpack(files, opts): |
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266 |
"""Given a set of pack files along with the configuration options, this |
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267 |
function computes the list of files that should be packed as part of an |
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268 |
incremental repack. |
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269 |
|
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270 |
It tries to strike a balance between keeping incremental repacks cheap (i.e. |
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271 |
packing small things when possible, and rolling the packs up to the big ones |
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272 |
over time). |
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273 |
""" |
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274 |
|
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275 |
limits = list(sorted((util.sizetoint(s) for s in opts['generations']), |
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276 |
reverse=True)) |
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277 |
limits.append(0) |
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278 |
|
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279 |
# Group the packs by generation (i.e. by size) |
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280 |
generations = [] |
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281 |
for i in pycompat.xrange(len(limits)): |
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282 |
generations.append([]) |
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283 |
|
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284 |
sizes = {} |
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285 |
for prefix, mode, stat in files: |
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286 |
size = stat.st_size |
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287 |
if size > opts['repackmaxpacksize']: |
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288 |
continue |
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289 |
|
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290 |
sizes[prefix] = size |
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291 |
for i, limit in enumerate(limits): |
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292 |
if size > limit: |
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293 |
generations[i].append(prefix) |
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294 |
break |
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295 |
|
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296 |
# Steps for picking what packs to repack: |
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297 |
# 1. Pick the largest generation with > gencountlimit pack files. |
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298 |
# 2. Take the smallest three packs. |
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299 |
# 3. While total-size-of-packs < repacksizelimit: add another pack |
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300 |
|
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301 |
# Find the largest generation with more than gencountlimit packs |
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302 |
genpacks = [] |
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303 |
for i, limit in enumerate(limits): |
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304 |
if len(generations[i]) > opts['gencountlimit']: |
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305 |
# Sort to be smallest last, for easy popping later |
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306 |
genpacks.extend(sorted(generations[i], reverse=True, |
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307 |
key=lambda x: sizes[x])) |
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|
308 |
break |
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|
309 |
|
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310 |
# Take as many packs from the generation as we can |
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311 |
chosenpacks = genpacks[-3:] |
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312 |
genpacks = genpacks[:-3] |
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313 |
repacksize = sum(sizes[n] for n in chosenpacks) |
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314 |
while (repacksize < opts['repacksizelimit'] and genpacks and |
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|
315 |
len(chosenpacks) < opts['maxrepackpacks']): |
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|
316 |
chosenpacks.append(genpacks.pop()) |
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|
317 |
repacksize += sizes[chosenpacks[-1]] |
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|
318 |
|
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319 |
return chosenpacks |
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|
320 |
|
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|
321 |
def _runrepack(repo, data, history, packpath, category, fullhistory=None, |
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322 |
options=None): |
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|
323 |
shallowutil.mkstickygroupdir(repo.ui, packpath) |
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|
324 |
|
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|
325 |
def isold(repo, filename, node): |
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|
326 |
"""Check if the file node is older than a limit. |
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327 |
Unless a limit is specified in the config the default limit is taken. |
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|
328 |
""" |
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|
329 |
filectx = repo.filectx(filename, fileid=node) |
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|
330 |
filetime = repo[filectx.linkrev()].date() |
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|
331 |
|
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|
332 |
ttl = repo.ui.configint('remotefilelog', 'nodettl') |
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|
333 |
|
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|
334 |
limit = time.time() - ttl |
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|
335 |
return filetime[0] < limit |
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|
336 |
|
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|
337 |
garbagecollect = repo.ui.configbool('remotefilelog', 'gcrepack') |
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|
338 |
if not fullhistory: |
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|
339 |
fullhistory = history |
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|
340 |
packer = repacker(repo, data, history, fullhistory, category, |
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|
341 |
gc=garbagecollect, isold=isold, options=options) |
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|
342 |
|
41806
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|
343 |
with datapack.mutabledatapack(repo.ui, packpath) as dpack: |
40495
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|
344 |
with historypack.mutablehistorypack(repo.ui, packpath) as hpack: |
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|
345 |
try: |
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|
346 |
packer.run(dpack, hpack) |
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|
347 |
except error.LockHeld: |
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|
348 |
raise RepackAlreadyRunning(_("skipping repack - another repack " |
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|
349 |
"is already running")) |
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|
350 |
|
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|
351 |
def keepset(repo, keyfn, lastkeepkeys=None): |
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|
352 |
"""Computes a keepset which is not garbage collected. |
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|
353 |
'keyfn' is a function that maps filename, node to a unique key. |
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|
354 |
'lastkeepkeys' is an optional argument and if provided the keepset |
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|
355 |
function updates lastkeepkeys with more keys and returns the result. |
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|
356 |
""" |
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|
357 |
if not lastkeepkeys: |
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|
358 |
keepkeys = set() |
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|
359 |
else: |
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|
360 |
keepkeys = lastkeepkeys |
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|
361 |
|
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|
362 |
# We want to keep: |
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|
363 |
# 1. Working copy parent |
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|
364 |
# 2. Draft commits |
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|
365 |
# 3. Parents of draft commits |
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|
366 |
# 4. Pullprefetch and bgprefetchrevs revsets if specified |
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|
367 |
revs = ['.', 'draft()', 'parents(draft())'] |
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|
368 |
prefetchrevs = repo.ui.config('remotefilelog', 'pullprefetch', None) |
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|
369 |
if prefetchrevs: |
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|
370 |
revs.append('(%s)' % prefetchrevs) |
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|
371 |
prefetchrevs = repo.ui.config('remotefilelog', 'bgprefetchrevs', None) |
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|
372 |
if prefetchrevs: |
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|
373 |
revs.append('(%s)' % prefetchrevs) |
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|
374 |
revs = '+'.join(revs) |
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|
375 |
|
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|
376 |
revs = ['sort((%s), "topo")' % revs] |
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|
377 |
keep = scmutil.revrange(repo, revs) |
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|
378 |
|
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|
379 |
processed = set() |
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|
380 |
lastmanifest = None |
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|
381 |
|
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|
382 |
# process the commits in toposorted order starting from the oldest |
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|
383 |
for r in reversed(keep._list): |
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|
384 |
if repo[r].p1().rev() in processed: |
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|
385 |
# if the direct parent has already been processed |
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|
386 |
# then we only need to process the delta |
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|
387 |
m = repo[r].manifestctx().readdelta() |
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|
388 |
else: |
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|
389 |
# otherwise take the manifest and diff it |
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|
390 |
# with the previous manifest if one exists |
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changeset
|
391 |
if lastmanifest: |
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changeset
|
392 |
m = repo[r].manifest().diff(lastmanifest) |
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changeset
|
393 |
else: |
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changeset
|
394 |
m = repo[r].manifest() |
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|
395 |
lastmanifest = repo[r].manifest() |
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|
396 |
processed.add(r) |
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changeset
|
397 |
|
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diff
changeset
|
398 |
# populate keepkeys with keys from the current manifest |
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changeset
|
399 |
if type(m) is dict: |
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diff
changeset
|
400 |
# m is a result of diff of two manifests and is a dictionary that |
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|
401 |
# maps filename to ((newnode, newflag), (oldnode, oldflag)) tuple |
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|
402 |
for filename, diff in m.iteritems(): |
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|
403 |
if diff[0][0] is not None: |
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diff
changeset
|
404 |
keepkeys.add(keyfn(filename, diff[0][0])) |
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diff
changeset
|
405 |
else: |
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diff
changeset
|
406 |
# m is a manifest object |
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diff
changeset
|
407 |
for filename, filenode in m.iteritems(): |
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diff
changeset
|
408 |
keepkeys.add(keyfn(filename, filenode)) |
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diff
changeset
|
409 |
|
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diff
changeset
|
410 |
return keepkeys |
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diff
changeset
|
411 |
|
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changeset
|
412 |
class repacker(object): |
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diff
changeset
|
413 |
"""Class for orchestrating the repack of data and history information into a |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
414 |
new format. |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
415 |
""" |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
416 |
def __init__(self, repo, data, history, fullhistory, category, gc=False, |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
417 |
isold=None, options=None): |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
418 |
self.repo = repo |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
419 |
self.data = data |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
420 |
self.history = history |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
421 |
self.fullhistory = fullhistory |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
422 |
self.unit = constants.getunits(category) |
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
423 |
self.garbagecollect = gc |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
424 |
self.options = options |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
425 |
if self.garbagecollect: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
426 |
if not isold: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
427 |
raise ValueError("Function 'isold' is not properly specified") |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
428 |
# use (filename, node) tuple as a keepset key |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
429 |
self.keepkeys = keepset(repo, lambda f, n : (f, n)) |
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remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
430 |
self.isold = isold |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
431 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
432 |
def run(self, targetdata, targethistory): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
433 |
ledger = repackledger() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
434 |
|
42943
5fadf6103790
remotefilelog: replace repack lock to solve race condition
Boris Feld <boris.feld@octobus.net>
parents:
42842
diff
changeset
|
435 |
with lockmod.lock(repacklockvfs(self.repo), "repacklock", desc=None, |
5fadf6103790
remotefilelog: replace repack lock to solve race condition
Boris Feld <boris.feld@octobus.net>
parents:
42842
diff
changeset
|
436 |
timeout=0): |
40495
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Augie Fackler <augie@google.com>
parents:
diff
changeset
|
437 |
self.repo.hook('prerepack') |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
438 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
439 |
# Populate ledger from source |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
440 |
self.data.markledger(ledger, options=self.options) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
441 |
self.history.markledger(ledger, options=self.options) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
442 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
443 |
# Run repack |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
444 |
self.repackdata(ledger, targetdata) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
445 |
self.repackhistory(ledger, targethistory) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
446 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
447 |
# Call cleanup on each source |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
448 |
for source in ledger.sources: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
449 |
source.cleanup(ledger) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
450 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
451 |
def _chainorphans(self, ui, filename, nodes, orphans, deltabases): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
452 |
"""Reorderes ``orphans`` into a single chain inside ``nodes`` and |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
453 |
``deltabases``. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
454 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
455 |
We often have orphan entries (nodes without a base that aren't |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
456 |
referenced by other nodes -- i.e., part of a chain) due to gaps in |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
457 |
history. Rather than store them as individual fulltexts, we prefer to |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
458 |
insert them as one chain sorted by size. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
459 |
""" |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
460 |
if not orphans: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
461 |
return nodes |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
462 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
463 |
def getsize(node, default=0): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
464 |
meta = self.data.getmeta(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
465 |
if constants.METAKEYSIZE in meta: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
466 |
return meta[constants.METAKEYSIZE] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
467 |
else: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
468 |
return default |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
469 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
470 |
# Sort orphans by size; biggest first is preferred, since it's more |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
471 |
# likely to be the newest version assuming files grow over time. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
472 |
# (Sort by node first to ensure the sort is stable.) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
473 |
orphans = sorted(orphans) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
474 |
orphans = list(sorted(orphans, key=getsize, reverse=True)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
475 |
if ui.debugflag: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
476 |
ui.debug("%s: orphan chain: %s\n" % (filename, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
477 |
", ".join([short(s) for s in orphans]))) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
478 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
479 |
# Create one contiguous chain and reassign deltabases. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
480 |
for i, node in enumerate(orphans): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
481 |
if i == 0: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
482 |
deltabases[node] = (nullid, 0) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
483 |
else: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
484 |
parent = orphans[i - 1] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
485 |
deltabases[node] = (parent, deltabases[parent][1] + 1) |
41255
60b3edccf2f7
remotefilelog: use list comprehension instead of filter for py3 portability
Augie Fackler <augie@google.com>
parents:
40843
diff
changeset
|
486 |
nodes = [n for n in nodes if n not in orphans] |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
487 |
nodes += orphans |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
488 |
return nodes |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
489 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
490 |
def repackdata(self, ledger, target): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
491 |
ui = self.repo.ui |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
492 |
maxchainlen = ui.configint('packs', 'maxchainlen', 1000) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
493 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
494 |
byfile = {} |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
495 |
for entry in ledger.entries.itervalues(): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
496 |
if entry.datasource: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
497 |
byfile.setdefault(entry.filename, {})[entry.node] = entry |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
498 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
499 |
count = 0 |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
500 |
repackprogress = ui.makeprogress(_("repacking data"), unit=self.unit, |
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
501 |
total=len(byfile)) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
502 |
for filename, entries in sorted(byfile.iteritems()): |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
503 |
repackprogress.update(count) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
504 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
505 |
ancestors = {} |
40613
9769e0f6ffe0
py3: don't use dict.iterkeys()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40526
diff
changeset
|
506 |
nodes = list(node for node in entries) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
507 |
nohistory = [] |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
508 |
buildprogress = ui.makeprogress(_("building history"), unit='nodes', |
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
509 |
total=len(nodes)) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
510 |
for i, node in enumerate(nodes): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
511 |
if node in ancestors: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
512 |
continue |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
513 |
buildprogress.update(i) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
514 |
try: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
515 |
ancestors.update(self.fullhistory.getancestors(filename, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
516 |
node, known=ancestors)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
517 |
except KeyError: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
518 |
# Since we're packing data entries, we may not have the |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
519 |
# corresponding history entries for them. It's not a big |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
520 |
# deal, but the entries won't be delta'd perfectly. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
521 |
nohistory.append(node) |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
522 |
buildprogress.complete() |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
523 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
524 |
# Order the nodes children first, so we can produce reverse deltas |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
525 |
orderednodes = list(reversed(self._toposort(ancestors))) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
526 |
if len(nohistory) > 0: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
527 |
ui.debug('repackdata: %d nodes without history\n' % |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
528 |
len(nohistory)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
529 |
orderednodes.extend(sorted(nohistory)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
530 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
531 |
# Filter orderednodes to just the nodes we want to serialize (it |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
532 |
# currently also has the edge nodes' ancestors). |
40804
bad0053efaf6
py3: listify filter() to call len() on it
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40711
diff
changeset
|
533 |
orderednodes = list(filter(lambda node: node in nodes, |
bad0053efaf6
py3: listify filter() to call len() on it
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40711
diff
changeset
|
534 |
orderednodes)) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
535 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
536 |
# Garbage collect old nodes: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
537 |
if self.garbagecollect: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
538 |
neworderednodes = [] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
539 |
for node in orderednodes: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
540 |
# If the node is old and is not in the keepset, we skip it, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
541 |
# and mark as garbage collected |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
542 |
if ((filename, node) not in self.keepkeys and |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
543 |
self.isold(self.repo, filename, node)): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
544 |
entries[node].gced = True |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
545 |
continue |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
546 |
neworderednodes.append(node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
547 |
orderednodes = neworderednodes |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
548 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
549 |
# Compute delta bases for nodes: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
550 |
deltabases = {} |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
551 |
nobase = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
552 |
referenced = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
553 |
nodes = set(nodes) |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
554 |
processprogress = ui.makeprogress(_("processing nodes"), |
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
555 |
unit='nodes', |
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
556 |
total=len(orderednodes)) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
557 |
for i, node in enumerate(orderednodes): |
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
558 |
processprogress.update(i) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
559 |
# Find delta base |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
560 |
# TODO: allow delta'ing against most recent descendant instead |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
561 |
# of immediate child |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
562 |
deltatuple = deltabases.get(node, None) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
563 |
if deltatuple is None: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
564 |
deltabase, chainlen = nullid, 0 |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
565 |
deltabases[node] = (nullid, 0) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
566 |
nobase.add(node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
567 |
else: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
568 |
deltabase, chainlen = deltatuple |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
569 |
referenced.add(deltabase) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
570 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
571 |
# Use available ancestor information to inform our delta choices |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
572 |
ancestorinfo = ancestors.get(node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
573 |
if ancestorinfo: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
574 |
p1, p2, linknode, copyfrom = ancestorinfo |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
575 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
576 |
# The presence of copyfrom means we're at a point where the |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
577 |
# file was copied from elsewhere. So don't attempt to do any |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
578 |
# deltas with the other file. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
579 |
if copyfrom: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
580 |
p1 = nullid |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
581 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
582 |
if chainlen < maxchainlen: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
583 |
# Record this child as the delta base for its parents. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
584 |
# This may be non optimal, since the parents may have |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
585 |
# many children, and this will only choose the last one. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
586 |
# TODO: record all children and try all deltas to find |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
587 |
# best |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
588 |
if p1 != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
589 |
deltabases[p1] = (node, chainlen + 1) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
590 |
if p2 != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
591 |
deltabases[p2] = (node, chainlen + 1) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
592 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
593 |
# experimental config: repack.chainorphansbysize |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
594 |
if ui.configbool('repack', 'chainorphansbysize'): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
595 |
orphans = nobase - referenced |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
596 |
orderednodes = self._chainorphans(ui, filename, orderednodes, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
597 |
orphans, deltabases) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
598 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
599 |
# Compute deltas and write to the pack |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
600 |
for i, node in enumerate(orderednodes): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
601 |
deltabase, chainlen = deltabases[node] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
602 |
# Compute delta |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
603 |
# TODO: Optimize the deltachain fetching. Since we're |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
604 |
# iterating over the different version of the file, we may |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
605 |
# be fetching the same deltachain over and over again. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
606 |
if deltabase != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
607 |
deltaentry = self.data.getdelta(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
608 |
delta, deltabasename, origdeltabase, meta = deltaentry |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
609 |
size = meta.get(constants.METAKEYSIZE) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
610 |
if (deltabasename != filename or origdeltabase != deltabase |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
611 |
or size is None): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
612 |
deltabasetext = self.data.get(filename, deltabase) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
613 |
original = self.data.get(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
614 |
size = len(original) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
615 |
delta = mdiff.textdiff(deltabasetext, original) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
616 |
else: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
617 |
delta = self.data.get(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
618 |
size = len(delta) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
619 |
meta = self.data.getmeta(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
620 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
621 |
# TODO: don't use the delta if it's larger than the fulltext |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
622 |
if constants.METAKEYSIZE not in meta: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
623 |
meta[constants.METAKEYSIZE] = size |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
624 |
target.add(filename, node, deltabase, delta, meta) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
625 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
626 |
entries[node].datarepacked = True |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
627 |
|
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
628 |
processprogress.complete() |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
629 |
count += 1 |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
630 |
|
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
631 |
repackprogress.complete() |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
632 |
target.close(ledger=ledger) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
633 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
634 |
def repackhistory(self, ledger, target): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
635 |
ui = self.repo.ui |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
636 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
637 |
byfile = {} |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
638 |
for entry in ledger.entries.itervalues(): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
639 |
if entry.historysource: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
640 |
byfile.setdefault(entry.filename, {})[entry.node] = entry |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
641 |
|
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
642 |
progress = ui.makeprogress(_("repacking history"), unit=self.unit, |
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
643 |
total=len(byfile)) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
644 |
for filename, entries in sorted(byfile.iteritems()): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
645 |
ancestors = {} |
40613
9769e0f6ffe0
py3: don't use dict.iterkeys()
Pulkit Goyal <pulkit@yandex-team.ru>
parents:
40526
diff
changeset
|
646 |
nodes = list(node for node in entries) |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
647 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
648 |
for node in nodes: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
649 |
if node in ancestors: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
650 |
continue |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
651 |
ancestors.update(self.history.getancestors(filename, node, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
652 |
known=ancestors)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
653 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
654 |
# Order the nodes children first |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
655 |
orderednodes = reversed(self._toposort(ancestors)) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
656 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
657 |
# Write to the pack |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
658 |
dontprocess = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
659 |
for node in orderednodes: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
660 |
p1, p2, linknode, copyfrom = ancestors[node] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
661 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
662 |
# If the node is marked dontprocess, but it's also in the |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
663 |
# explicit entries set, that means the node exists both in this |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
664 |
# file and in another file that was copied to this file. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
665 |
# Usually this happens if the file was copied to another file, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
666 |
# then the copy was deleted, then reintroduced without copy |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
667 |
# metadata. The original add and the new add have the same hash |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
668 |
# since the content is identical and the parents are null. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
669 |
if node in dontprocess and node not in entries: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
670 |
# If copyfrom == filename, it means the copy history |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
671 |
# went to come other file, then came back to this one, so we |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
672 |
# should continue processing it. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
673 |
if p1 != nullid and copyfrom != filename: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
674 |
dontprocess.add(p1) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
675 |
if p2 != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
676 |
dontprocess.add(p2) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
677 |
continue |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
678 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
679 |
if copyfrom: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
680 |
dontprocess.add(p1) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
681 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
682 |
target.add(filename, node, p1, p2, linknode, copyfrom) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
683 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
684 |
if node in entries: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
685 |
entries[node].historyrepacked = True |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
686 |
|
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
687 |
progress.increment() |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
688 |
|
40843
b80915b52476
remotefilelog: use progress helper in repack
Martin von Zweigbergk <martinvonz@google.com>
parents:
40804
diff
changeset
|
689 |
progress.complete() |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
690 |
target.close(ledger=ledger) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
691 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
692 |
def _toposort(self, ancestors): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
693 |
def parentfunc(node): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
694 |
p1, p2, linknode, copyfrom = ancestors[node] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
695 |
parents = [] |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
696 |
if p1 != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
697 |
parents.append(p1) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
698 |
if p2 != nullid: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
699 |
parents.append(p2) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
700 |
return parents |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
701 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
702 |
sortednodes = shallowutil.sortnodes(ancestors.keys(), parentfunc) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
703 |
return sortednodes |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
704 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
705 |
class repackledger(object): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
706 |
"""Storage for all the bookkeeping that happens during a repack. It contains |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
707 |
the list of revisions being repacked, what happened to each revision, and |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
708 |
which source store contained which revision originally (for later cleanup). |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
709 |
""" |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
710 |
def __init__(self): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
711 |
self.entries = {} |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
712 |
self.sources = {} |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
713 |
self.created = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
714 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
715 |
def markdataentry(self, source, filename, node): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
716 |
"""Mark the given filename+node revision as having a data rev in the |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
717 |
given source. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
718 |
""" |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
719 |
entry = self._getorcreateentry(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
720 |
entry.datasource = True |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
721 |
entries = self.sources.get(source) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
722 |
if not entries: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
723 |
entries = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
724 |
self.sources[source] = entries |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
725 |
entries.add(entry) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
726 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
727 |
def markhistoryentry(self, source, filename, node): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
728 |
"""Mark the given filename+node revision as having a history rev in the |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
729 |
given source. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
730 |
""" |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
731 |
entry = self._getorcreateentry(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
732 |
entry.historysource = True |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
733 |
entries = self.sources.get(source) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
734 |
if not entries: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
735 |
entries = set() |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
736 |
self.sources[source] = entries |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
737 |
entries.add(entry) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
738 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
739 |
def _getorcreateentry(self, filename, node): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
740 |
key = (filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
741 |
value = self.entries.get(key) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
742 |
if not value: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
743 |
value = repackentry(filename, node) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
744 |
self.entries[key] = value |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
745 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
746 |
return value |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
747 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
748 |
def addcreated(self, value): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
749 |
self.created.add(value) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
750 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
751 |
class repackentry(object): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
752 |
"""Simple class representing a single revision entry in the repackledger. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
753 |
""" |
40526
1419f780207c
remotefilelog: fix various minor py3 problems
Augie Fackler <augie@google.com>
parents:
40506
diff
changeset
|
754 |
__slots__ = (r'filename', r'node', r'datasource', r'historysource', |
1419f780207c
remotefilelog: fix various minor py3 problems
Augie Fackler <augie@google.com>
parents:
40506
diff
changeset
|
755 |
r'datarepacked', r'historyrepacked', r'gced') |
40495
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
756 |
def __init__(self, filename, node): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
757 |
self.filename = filename |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
758 |
self.node = node |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
759 |
# If the revision has a data entry in the source |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
760 |
self.datasource = False |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
761 |
# If the revision has a history entry in the source |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
762 |
self.historysource = False |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
763 |
# If the revision's data entry was repacked into the repack target |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
764 |
self.datarepacked = False |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
765 |
# If the revision's history entry was repacked into the repack target |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
766 |
self.historyrepacked = False |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
767 |
# If garbage collected |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
768 |
self.gced = False |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
769 |
|
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
770 |
def repacklockvfs(repo): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
771 |
if util.safehasattr(repo, 'name'): |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
772 |
# Lock in the shared cache so repacks across multiple copies of the same |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
773 |
# repo are coordinated. |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
774 |
sharedcachepath = shallowutil.getcachepackpath( |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
775 |
repo, |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
776 |
constants.FILEPACK_CATEGORY) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
777 |
return vfs.vfs(sharedcachepath) |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
778 |
else: |
3a333a582d7b
remotefilelog: import pruned-down remotefilelog extension from hg-experimental
Augie Fackler <augie@google.com>
parents:
diff
changeset
|
779 |
return repo.svfs |