Mercurial > hg
annotate hgext/largefiles/lfutil.py @ 28436:8d38eab2777a
peer: add an iterbatcher interface
This is very much like ordinary batch(), but it will let me add a mode
for batch where we have pathologically large requests which are then
handled streamily. This will be a significant improvement for things
like remotefilelog, which may want to request thousands of entities at
once.
author | Augie Fackler <augie@google.com> |
---|---|
date | Tue, 01 Mar 2016 18:39:25 -0500 |
parents | 571ba161f6be |
children | 6e34690230c0 |
rev | line source |
---|---|
15168 | 1 # Copyright 2009-2010 Gregory P. Ward |
2 # Copyright 2009-2010 Intelerad Medical Systems Incorporated | |
3 # Copyright 2010-2011 Fog Creek Software | |
4 # Copyright 2010-2011 Unity Technologies | |
5 # | |
6 # This software may be used and distributed according to the terms of the | |
7 # GNU General Public License version 2 or any later version. | |
8 | |
9 '''largefiles utility code: must not import other modules in this package.''' | |
10 | |
11 import os | |
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12 import platform |
15168 | 13 import stat |
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14 import copy |
15168 | 15 |
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16 from mercurial import dirstate, httpconnection, match as match_, util, scmutil |
15168 | 17 from mercurial.i18n import _ |
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18 from mercurial import node, error |
15168 | 19 |
20 shortname = '.hglf' | |
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21 shortnameslash = shortname + '/' |
15168 | 22 longname = 'largefiles' |
23 | |
24 | |
25 # -- Private worker functions ------------------------------------------ | |
26 | |
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27 def getminsize(ui, assumelfiles, opt, default=10): |
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28 lfsize = opt |
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29 if not lfsize and assumelfiles: |
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30 lfsize = ui.config(longname, 'minsize', default=default) |
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31 if lfsize: |
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32 try: |
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33 lfsize = float(lfsize) |
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34 except ValueError: |
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35 raise error.Abort(_('largefiles: size must be number (not %s)\n') |
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36 % lfsize) |
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37 if lfsize is None: |
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38 raise error.Abort(_('minimum size for largefiles must be specified')) |
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39 return lfsize |
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40 |
15168 | 41 def link(src, dest): |
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42 util.makedirs(os.path.dirname(dest)) |
15168 | 43 try: |
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44 util.oslink(src, dest) |
15168 | 45 except OSError: |
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46 # if hardlinks fail, fallback on atomic copy |
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47 dst = util.atomictempfile(dest) |
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48 for chunk in util.filechunkiter(open(src, 'rb')): |
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49 dst.write(chunk) |
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50 dst.close() |
15168 | 51 os.chmod(dest, os.stat(src).st_mode) |
52 | |
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53 def usercachepath(ui, hash): |
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54 path = ui.configpath(longname, 'usercache', None) |
15168 | 55 if path: |
56 path = os.path.join(path, hash) | |
57 else: | |
58 if os.name == 'nt': | |
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59 appdata = os.getenv('LOCALAPPDATA', os.getenv('APPDATA')) |
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60 if appdata: |
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61 path = os.path.join(appdata, longname, hash) |
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62 elif platform.system() == 'Darwin': |
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63 home = os.getenv('HOME') |
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64 if home: |
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65 path = os.path.join(home, 'Library', 'Caches', |
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66 longname, hash) |
15168 | 67 elif os.name == 'posix': |
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68 path = os.getenv('XDG_CACHE_HOME') |
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69 if path: |
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70 path = os.path.join(path, longname, hash) |
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71 else: |
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72 home = os.getenv('HOME') |
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73 if home: |
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74 path = os.path.join(home, '.cache', longname, hash) |
15168 | 75 else: |
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76 raise error.Abort(_('unknown operating system: %s\n') % os.name) |
15168 | 77 return path |
78 | |
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79 def inusercache(ui, hash): |
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80 path = usercachepath(ui, hash) |
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81 return path and os.path.exists(path) |
15168 | 82 |
83 def findfile(repo, hash): | |
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84 path, exists = findstorepath(repo, hash) |
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85 if exists: |
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86 repo.ui.note(_('found %s in store\n') % hash) |
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87 return path |
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88 elif inusercache(repo.ui, hash): |
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89 repo.ui.note(_('found %s in system cache\n') % hash) |
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90 path = storepath(repo, hash) |
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91 link(usercachepath(repo.ui, hash), path) |
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92 return path |
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93 return None |
15168 | 94 |
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95 class largefilesdirstate(dirstate.dirstate): |
15168 | 96 def __getitem__(self, key): |
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97 return super(largefilesdirstate, self).__getitem__(unixpath(key)) |
15168 | 98 def normal(self, f): |
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99 return super(largefilesdirstate, self).normal(unixpath(f)) |
15168 | 100 def remove(self, f): |
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101 return super(largefilesdirstate, self).remove(unixpath(f)) |
15168 | 102 def add(self, f): |
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103 return super(largefilesdirstate, self).add(unixpath(f)) |
15168 | 104 def drop(self, f): |
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105 return super(largefilesdirstate, self).drop(unixpath(f)) |
15168 | 106 def forget(self, f): |
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107 return super(largefilesdirstate, self).forget(unixpath(f)) |
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108 def normallookup(self, f): |
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109 return super(largefilesdirstate, self).normallookup(unixpath(f)) |
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110 def _ignore(self, f): |
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111 return False |
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112 def write(self, tr=False): |
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113 # (1) disable PENDING mode always |
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114 # (lfdirstate isn't yet managed as a part of the transaction) |
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115 # (2) avoid develwarn 'use dirstate.write with ....' |
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116 super(largefilesdirstate, self).write(None) |
15168 | 117 |
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118 def openlfdirstate(ui, repo, create=True): |
15168 | 119 ''' |
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120 Return a dirstate object that tracks largefiles: i.e. its root is |
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121 the repo root, but it is saved in .hg/largefiles/dirstate. |
15168 | 122 ''' |
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123 lfstoredir = repo.join(longname) |
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124 opener = scmutil.opener(lfstoredir) |
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125 lfdirstate = largefilesdirstate(opener, ui, repo.root, |
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126 repo.dirstate._validate) |
15168 | 127 |
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128 # If the largefiles dirstate does not exist, populate and create |
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129 # it. This ensures that we create it on the first meaningful |
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130 # largefiles operation in a new clone. |
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131 if create and not os.path.exists(os.path.join(lfstoredir, 'dirstate')): |
15168 | 132 matcher = getstandinmatcher(repo) |
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133 standins = repo.dirstate.walk(matcher, [], False, False) |
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134 |
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135 if len(standins) > 0: |
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136 util.makedirs(lfstoredir) |
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137 |
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138 for standin in standins: |
15168 | 139 lfile = splitstandin(standin) |
140 lfdirstate.normallookup(lfile) | |
141 return lfdirstate | |
142 | |
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143 def lfdirstatestatus(lfdirstate, repo): |
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144 wctx = repo['.'] |
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145 match = match_.always(repo.root, repo.getcwd()) |
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146 unsure, s = lfdirstate.status(match, [], False, False, False) |
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147 modified, clean = s.modified, s.clean |
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148 for lfile in unsure: |
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149 try: |
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150 fctx = wctx[standin(lfile)] |
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151 except LookupError: |
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152 fctx = None |
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153 if not fctx or fctx.data().strip() != hashfile(repo.wjoin(lfile)): |
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154 modified.append(lfile) |
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155 else: |
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156 clean.append(lfile) |
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157 lfdirstate.normal(lfile) |
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158 return s |
15168 | 159 |
160 def listlfiles(repo, rev=None, matcher=None): | |
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161 '''return a list of largefiles in the working copy or the |
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162 specified changeset''' |
15168 | 163 |
164 if matcher is None: | |
165 matcher = getstandinmatcher(repo) | |
166 | |
167 # ignore unknown files in working directory | |
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168 return [splitstandin(f) |
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169 for f in repo[rev].walk(matcher) |
15168 | 170 if rev is not None or repo.dirstate[f] != '?'] |
171 | |
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172 def instore(repo, hash, forcelocal=False): |
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173 return os.path.exists(storepath(repo, hash, forcelocal)) |
15168 | 174 |
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175 def storepath(repo, hash, forcelocal=False): |
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176 if not forcelocal and repo.shared(): |
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177 return repo.vfs.reljoin(repo.sharedpath, longname, hash) |
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178 return repo.join(longname, hash) |
15168 | 179 |
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180 def findstorepath(repo, hash): |
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181 '''Search through the local store path(s) to find the file for the given |
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182 hash. If the file is not found, its path in the primary store is returned. |
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183 The return value is a tuple of (path, exists(path)). |
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184 ''' |
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185 # For shared repos, the primary store is in the share source. But for |
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186 # backward compatibility, force a lookup in the local store if it wasn't |
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187 # found in the share source. |
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188 path = storepath(repo, hash, False) |
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189 |
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190 if instore(repo, hash): |
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191 return (path, True) |
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192 elif repo.shared() and instore(repo, hash, True): |
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193 return storepath(repo, hash, True) |
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194 |
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195 return (path, False) |
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196 |
15168 | 197 def copyfromcache(repo, hash, filename): |
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198 '''Copy the specified largefile from the repo or system cache to |
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199 filename in the repository. Return true on success or false if the |
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200 file was not found in either cache (which should not happened: |
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201 this is meant to be called only after ensuring that the needed |
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202 largefile exists in the cache).''' |
15168 | 203 path = findfile(repo, hash) |
204 if path is None: | |
205 return False | |
206 util.makedirs(os.path.dirname(repo.wjoin(filename))) | |
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207 # The write may fail before the file is fully written, but we |
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208 # don't use atomic writes in the working copy. |
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209 dest = repo.wjoin(filename) |
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210 with open(path, 'rb') as srcfd: |
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211 with open(dest, 'wb') as destfd: |
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212 gothash = copyandhash(srcfd, destfd) |
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213 if gothash != hash: |
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214 repo.ui.warn(_('%s: data corruption in %s with hash %s\n') |
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215 % (filename, path, gothash)) |
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216 util.unlink(dest) |
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217 return False |
15168 | 218 return True |
219 | |
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220 def copytostore(repo, rev, file, uploaded=False): |
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221 hash = readstandin(repo, file, rev) |
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222 if instore(repo, hash): |
15168 | 223 return |
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224 absfile = repo.wjoin(file) |
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225 if os.path.exists(absfile): |
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226 copytostoreabsolute(repo, absfile, hash) |
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227 else: |
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228 repo.ui.warn(_("%s: largefile %s not available from local store\n") % |
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229 (file, hash)) |
15168 | 230 |
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231 def copyalltostore(repo, node): |
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232 '''Copy all largefiles in a given revision to the store''' |
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233 |
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234 ctx = repo[node] |
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235 for filename in ctx.files(): |
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236 if isstandin(filename) and filename in ctx.manifest(): |
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237 realfile = splitstandin(filename) |
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238 copytostore(repo, ctx.node(), realfile) |
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239 |
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240 |
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241 def copytostoreabsolute(repo, file, hash): |
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242 if inusercache(repo.ui, hash): |
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243 link(usercachepath(repo.ui, hash), storepath(repo, hash)) |
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244 else: |
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245 util.makedirs(os.path.dirname(storepath(repo, hash))) |
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246 dst = util.atomictempfile(storepath(repo, hash), |
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247 createmode=repo.store.createmode) |
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248 for chunk in util.filechunkiter(open(file, 'rb')): |
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249 dst.write(chunk) |
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250 dst.close() |
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251 linktousercache(repo, hash) |
15168 | 252 |
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253 def linktousercache(repo, hash): |
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254 path = usercachepath(repo.ui, hash) |
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255 if path: |
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256 link(storepath(repo, hash), path) |
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258 def getstandinmatcher(repo, rmatcher=None): |
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259 '''Return a match object that applies rmatcher to the standin directory''' |
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260 standindir = repo.wjoin(shortname) |
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261 |
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262 # no warnings about missing files or directories |
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263 badfn = lambda f, msg: None |
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264 |
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265 if rmatcher and not rmatcher.always(): |
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266 pats = [os.path.join(standindir, pat) for pat in rmatcher.files()] |
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267 if not pats: |
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268 pats = [standindir] |
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269 match = scmutil.match(repo[None], pats, badfn=badfn) |
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270 # if pats is empty, it would incorrectly always match, so clear _always |
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271 match._always = False |
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272 else: |
15168 | 273 # no patterns: relative to repo root |
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274 match = scmutil.match(repo[None], [standindir], badfn=badfn) |
15168 | 275 return match |
276 | |
277 def composestandinmatcher(repo, rmatcher): | |
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278 '''Return a matcher that accepts standins corresponding to the |
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279 files accepted by rmatcher. Pass the list of files in the matcher |
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280 as the paths specified by the user.''' |
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281 smatcher = getstandinmatcher(repo, rmatcher) |
15168 | 282 isstandin = smatcher.matchfn |
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283 def composedmatchfn(f): |
15168 | 284 return isstandin(f) and rmatcher.matchfn(splitstandin(f)) |
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285 smatcher.matchfn = composedmatchfn |
15168 | 286 |
287 return smatcher | |
288 | |
289 def standin(filename): | |
290 '''Return the repo-relative path to the standin for the specified big | |
291 file.''' | |
292 # Notes: | |
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293 # 1) Some callers want an absolute path, but for instance addlargefiles |
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294 # needs it repo-relative so it can be passed to repo[None].add(). So |
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295 # leave it up to the caller to use repo.wjoin() to get an absolute path. |
15168 | 296 # 2) Join with '/' because that's what dirstate always uses, even on |
297 # Windows. Change existing separator to '/' first in case we are | |
298 # passed filenames from an external source (like the command line). | |
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299 return shortnameslash + util.pconvert(filename) |
15168 | 300 |
301 def isstandin(filename): | |
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302 '''Return true if filename is a big file standin. filename must be |
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303 in Mercurial's internal form (slash-separated).''' |
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304 return filename.startswith(shortnameslash) |
15168 | 305 |
306 def splitstandin(filename): | |
307 # Split on / because that's what dirstate always uses, even on Windows. | |
308 # Change local separator to / first just in case we are passed filenames | |
309 # from an external source (like the command line). | |
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310 bits = util.pconvert(filename).split('/', 1) |
15168 | 311 if len(bits) == 2 and bits[0] == shortname: |
312 return bits[1] | |
313 else: | |
314 return None | |
315 | |
316 def updatestandin(repo, standin): | |
317 file = repo.wjoin(splitstandin(standin)) | |
318 if os.path.exists(file): | |
319 hash = hashfile(file) | |
320 executable = getexecutable(file) | |
321 writestandin(repo, standin, hash, executable) | |
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322 else: |
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323 raise error.Abort(_('%s: file not found!') % splitstandin(standin)) |
15168 | 324 |
325 def readstandin(repo, filename, node=None): | |
326 '''read hex hash from standin for filename at given node, or working | |
327 directory if no node is given''' | |
328 return repo[node][standin(filename)].data().strip() | |
329 | |
330 def writestandin(repo, standin, hash, executable): | |
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331 '''write hash to <repo.root>/<standin>''' |
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332 repo.wwrite(standin, hash + '\n', executable and 'x' or '') |
15168 | 333 |
334 def copyandhash(instream, outfile): | |
335 '''Read bytes from instream (iterable) and write them to outfile, | |
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336 computing the SHA-1 hash of the data along the way. Return the hash.''' |
15168 | 337 hasher = util.sha1('') |
338 for data in instream: | |
339 hasher.update(data) | |
340 outfile.write(data) | |
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341 return hasher.hexdigest() |
15168 | 342 |
343 def hashrepofile(repo, file): | |
344 return hashfile(repo.wjoin(file)) | |
345 | |
346 def hashfile(file): | |
347 if not os.path.exists(file): | |
348 return '' | |
349 hasher = util.sha1('') | |
350 fd = open(file, 'rb') | |
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351 for data in util.filechunkiter(fd, 128 * 1024): |
15168 | 352 hasher.update(data) |
353 fd.close() | |
354 return hasher.hexdigest() | |
355 | |
356 def getexecutable(filename): | |
357 mode = os.stat(filename).st_mode | |
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358 return ((mode & stat.S_IXUSR) and |
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359 (mode & stat.S_IXGRP) and |
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360 (mode & stat.S_IXOTH)) |
15168 | 361 |
362 def urljoin(first, second, *arg): | |
363 def join(left, right): | |
364 if not left.endswith('/'): | |
365 left += '/' | |
366 if right.startswith('/'): | |
367 right = right[1:] | |
368 return left + right | |
369 | |
370 url = join(first, second) | |
371 for a in arg: | |
372 url = join(url, a) | |
373 return url | |
374 | |
375 def hexsha1(data): | |
376 """hexsha1 returns the hex-encoded sha1 sum of the data in the file-like | |
377 object data""" | |
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378 h = util.sha1() |
15168 | 379 for chunk in util.filechunkiter(data): |
380 h.update(chunk) | |
381 return h.hexdigest() | |
382 | |
383 def httpsendfile(ui, filename): | |
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384 return httpconnection.httpsendfile(ui, filename, 'rb') |
15168 | 385 |
386 def unixpath(path): | |
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387 '''Return a version of path normalized for use with the lfdirstate.''' |
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388 return util.pconvert(os.path.normpath(path)) |
15168 | 389 |
390 def islfilesrepo(repo): | |
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391 if ('largefiles' in repo.requirements and |
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392 any(shortnameslash in f[0] for f in repo.store.datafiles())): |
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393 return True |
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394 |
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395 return any(openlfdirstate(repo.ui, repo, False)) |
15168 | 396 |
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397 class storeprotonotcapable(Exception): |
15168 | 398 def __init__(self, storetypes): |
399 self.storetypes = storetypes | |
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400 |
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401 def getstandinsstate(repo): |
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402 standins = [] |
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403 matcher = getstandinmatcher(repo) |
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404 for standin in repo.dirstate.walk(matcher, [], False, False): |
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405 lfile = splitstandin(standin) |
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406 try: |
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407 hash = readstandin(repo, lfile) |
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408 except IOError: |
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409 hash = None |
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410 standins.append((lfile, hash)) |
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411 return standins |
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412 |
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413 def synclfdirstate(repo, lfdirstate, lfile, normallookup): |
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414 lfstandin = standin(lfile) |
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415 if lfstandin in repo.dirstate: |
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416 stat = repo.dirstate._map[lfstandin] |
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417 state, mtime = stat[0], stat[3] |
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418 else: |
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419 state, mtime = '?', -1 |
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420 if state == 'n': |
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421 if (normallookup or mtime < 0 or |
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422 not os.path.exists(repo.wjoin(lfile))): |
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423 # state 'n' doesn't ensure 'clean' in this case |
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424 lfdirstate.normallookup(lfile) |
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425 else: |
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426 lfdirstate.normal(lfile) |
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427 elif state == 'm': |
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428 lfdirstate.normallookup(lfile) |
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429 elif state == 'r': |
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430 lfdirstate.remove(lfile) |
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431 elif state == 'a': |
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432 lfdirstate.add(lfile) |
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433 elif state == '?': |
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434 lfdirstate.drop(lfile) |
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435 |
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436 def markcommitted(orig, ctx, node): |
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437 repo = ctx.repo() |
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438 |
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439 orig(node) |
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440 |
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441 # ATTENTION: "ctx.files()" may differ from "repo[node].files()" |
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442 # because files coming from the 2nd parent are omitted in the latter. |
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443 # |
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444 # The former should be used to get targets of "synclfdirstate", |
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445 # because such files: |
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446 # - are marked as "a" by "patch.patch()" (e.g. via transplant), and |
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447 # - have to be marked as "n" after commit, but |
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448 # - aren't listed in "repo[node].files()" |
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449 |
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450 lfdirstate = openlfdirstate(repo.ui, repo) |
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451 for f in ctx.files(): |
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452 if isstandin(f): |
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453 lfile = splitstandin(f) |
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454 synclfdirstate(repo, lfdirstate, lfile, False) |
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455 lfdirstate.write() |
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456 |
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457 # As part of committing, copy all of the largefiles into the cache. |
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458 copyalltostore(repo, node) |
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459 |
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460 def getlfilestoupdate(oldstandins, newstandins): |
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461 changedstandins = set(oldstandins).symmetric_difference(set(newstandins)) |
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462 filelist = [] |
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463 for f in changedstandins: |
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464 if f[0] not in filelist: |
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465 filelist.append(f[0]) |
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466 return filelist |
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467 |
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468 def getlfilestoupload(repo, missing, addfunc): |
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469 for i, n in enumerate(missing): |
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470 repo.ui.progress(_('finding outgoing largefiles'), i, |
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471 unit=_('revision'), total=len(missing)) |
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472 parents = [p for p in repo.changelog.parents(n) if p != node.nullid] |
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473 |
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474 oldlfstatus = repo.lfstatus |
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475 repo.lfstatus = False |
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476 try: |
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477 ctx = repo[n] |
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478 finally: |
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479 repo.lfstatus = oldlfstatus |
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480 |
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481 files = set(ctx.files()) |
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482 if len(parents) == 2: |
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483 mc = ctx.manifest() |
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484 mp1 = ctx.parents()[0].manifest() |
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485 mp2 = ctx.parents()[1].manifest() |
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486 for f in mp1: |
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487 if f not in mc: |
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488 files.add(f) |
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489 for f in mp2: |
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490 if f not in mc: |
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491 files.add(f) |
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492 for f in mc: |
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493 if mc[f] != mp1.get(f, None) or mc[f] != mp2.get(f, None): |
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494 files.add(f) |
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495 for fn in files: |
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496 if isstandin(fn) and fn in ctx: |
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497 addfunc(fn, ctx[fn].data().strip()) |
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498 repo.ui.progress(_('finding outgoing largefiles'), None) |
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499 |
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500 def updatestandinsbymatch(repo, match): |
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501 '''Update standins in the working directory according to specified match |
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502 |
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503 This returns (possibly modified) ``match`` object to be used for |
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504 subsequent commit process. |
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505 ''' |
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506 |
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507 ui = repo.ui |
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508 |
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509 # Case 1: user calls commit with no specific files or |
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510 # include/exclude patterns: refresh and commit all files that |
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511 # are "dirty". |
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512 if match is None or match.always(): |
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513 # Spend a bit of time here to get a list of files we know |
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514 # are modified so we can compare only against those. |
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515 # It can cost a lot of time (several seconds) |
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516 # otherwise to update all standins if the largefiles are |
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517 # large. |
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518 lfdirstate = openlfdirstate(ui, repo) |
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519 dirtymatch = match_.always(repo.root, repo.getcwd()) |
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520 unsure, s = lfdirstate.status(dirtymatch, [], False, False, |
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521 False) |
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522 modifiedfiles = unsure + s.modified + s.added + s.removed |
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523 lfiles = listlfiles(repo) |
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524 # this only loops through largefiles that exist (not |
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525 # removed/renamed) |
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526 for lfile in lfiles: |
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527 if lfile in modifiedfiles: |
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528 if os.path.exists( |
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529 repo.wjoin(standin(lfile))): |
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530 # this handles the case where a rebase is being |
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531 # performed and the working copy is not updated |
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532 # yet. |
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533 if os.path.exists(repo.wjoin(lfile)): |
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534 updatestandin(repo, |
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535 standin(lfile)) |
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536 |
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537 return match |
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538 |
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539 lfiles = listlfiles(repo) |
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540 match._files = repo._subdirlfs(match.files(), lfiles) |
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541 |
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542 # Case 2: user calls commit with specified patterns: refresh |
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543 # any matching big files. |
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544 smatcher = composestandinmatcher(repo, match) |
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545 standins = repo.dirstate.walk(smatcher, [], False, False) |
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546 |
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547 # No matching big files: get out of the way and pass control to |
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548 # the usual commit() method. |
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549 if not standins: |
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550 return match |
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551 |
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552 # Refresh all matching big files. It's possible that the |
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553 # commit will end up failing, in which case the big files will |
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554 # stay refreshed. No harm done: the user modified them and |
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555 # asked to commit them, so sooner or later we're going to |
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556 # refresh the standins. Might as well leave them refreshed. |
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557 lfdirstate = openlfdirstate(ui, repo) |
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558 for fstandin in standins: |
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559 lfile = splitstandin(fstandin) |
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560 if lfdirstate[lfile] != 'r': |
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561 updatestandin(repo, fstandin) |
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562 |
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563 # Cook up a new matcher that only matches regular files or |
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564 # standins corresponding to the big files requested by the |
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565 # user. Have to modify _files to prevent commit() from |
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566 # complaining "not tracked" for big files. |
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567 match = copy.copy(match) |
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568 origmatchfn = match.matchfn |
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569 |
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570 # Check both the list of largefiles and the list of |
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571 # standins because if a largefile was removed, it |
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572 # won't be in the list of largefiles at this point |
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573 match._files += sorted(standins) |
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574 |
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575 actualfiles = [] |
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576 for f in match._files: |
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577 fstandin = standin(f) |
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578 |
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579 # For largefiles, only one of the normal and standin should be |
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580 # committed (except if one of them is a remove). In the case of a |
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581 # standin removal, drop the normal file if it is unknown to dirstate. |
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582 # Thus, skip plain largefile names but keep the standin. |
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583 if f in lfiles or fstandin in standins: |
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584 if repo.dirstate[fstandin] != 'r': |
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585 if repo.dirstate[f] != 'r': |
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586 continue |
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587 elif repo.dirstate[f] == '?': |
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588 continue |
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589 |
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590 actualfiles.append(f) |
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591 match._files = actualfiles |
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592 |
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593 def matchfn(f): |
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594 if origmatchfn(f): |
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595 return f not in lfiles |
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596 else: |
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597 return f in standins |
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598 |
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599 match.matchfn = matchfn |
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600 |
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601 return match |
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602 |
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603 class automatedcommithook(object): |
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604 '''Stateful hook to update standins at the 1st commit of resuming |
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605 |
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606 For efficiency, updating standins in the working directory should |
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607 be avoided while automated committing (like rebase, transplant and |
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608 so on), because they should be updated before committing. |
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609 |
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610 But the 1st commit of resuming automated committing (e.g. ``rebase |
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611 --continue``) should update them, because largefiles may be |
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612 modified manually. |
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613 ''' |
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614 def __init__(self, resuming): |
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615 self.resuming = resuming |
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616 |
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617 def __call__(self, repo, match): |
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618 if self.resuming: |
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619 self.resuming = False # avoids updating at subsequent commits |
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620 return updatestandinsbymatch(repo, match) |
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621 else: |
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622 return match |
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623 |
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624 def getstatuswriter(ui, repo, forcibly=None): |
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625 '''Return the function to write largefiles specific status out |
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626 |
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627 If ``forcibly`` is ``None``, this returns the last element of |
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628 ``repo._lfstatuswriters`` as "default" writer function. |
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629 |
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630 Otherwise, this returns the function to always write out (or |
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631 ignore if ``not forcibly``) status. |
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632 ''' |
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633 if forcibly is None and util.safehasattr(repo, '_largefilesenabled'): |
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634 return repo._lfstatuswriters[-1] |
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635 else: |
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636 if forcibly: |
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637 return ui.status # forcibly WRITE OUT |
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638 else: |
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639 return lambda *msg, **opts: None # forcibly IGNORE |