Mercurial > hg
annotate mercurial/archival.py @ 32164:29e286fa4db0
changegroup: deduplicate 'getlocalchangegroup'
The two functions 'getlocalchangegroup' and 'getchangegroup' have been strictly
identical for multiple years ('getchangegroup' had a deprecated docstring)
We'll drop one of them (getlocalchangegroup, since it has the longest name).
However, we needs to migrate all users of the dropped one to the new one before
we can deprecate it. In the mean time we drop one of the duplicated definition
and the outdated docstring.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Thu, 04 May 2017 12:36:45 +0200 |
parents | 7feab0e7702d |
children | 3047167733dc |
rev | line source |
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1 # archival.py - revision archival for mercurial |
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2 # |
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3 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
10263 | 6 # GNU General Public License version 2 or any later version. |
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7 |
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8 from __future__ import absolute_import |
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9 |
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10 import gzip |
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11 import os |
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12 import struct |
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13 import tarfile |
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14 import time |
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15 import zipfile |
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16 import zlib |
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17 |
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18 from .i18n import _ |
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19 |
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20 from . import ( |
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21 cmdutil, |
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22 encoding, |
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23 error, |
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24 match as matchmod, |
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25 util, |
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26 vfs as vfsmod, |
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27 ) |
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28 stringio = util.stringio |
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29 |
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30 # from unzip source code: |
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31 _UNX_IFREG = 0x8000 |
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32 _UNX_IFLNK = 0xa000 |
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33 |
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34 def tidyprefix(dest, kind, prefix): |
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35 '''choose prefix to use for names in archive. make sure prefix is |
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36 safe for consumers.''' |
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37 |
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38 if prefix: |
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39 prefix = util.normpath(prefix) |
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40 else: |
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41 if not isinstance(dest, str): |
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42 raise ValueError('dest must be string if no prefix') |
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43 prefix = os.path.basename(dest) |
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44 lower = prefix.lower() |
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45 for sfx in exts.get(kind, []): |
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46 if lower.endswith(sfx): |
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47 prefix = prefix[:-len(sfx)] |
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48 break |
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49 lpfx = os.path.normpath(util.localpath(prefix)) |
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50 prefix = util.pconvert(lpfx) |
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51 if not prefix.endswith('/'): |
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52 prefix += '/' |
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53 # Drop the leading '.' path component if present, so Windows can read the |
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54 # zip files (issue4634) |
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55 if prefix.startswith('./'): |
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56 prefix = prefix[2:] |
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57 if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix: |
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58 raise error.Abort(_('archive prefix contains illegal components')) |
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59 return prefix |
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60 |
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61 exts = { |
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62 'tar': ['.tar'], |
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63 'tbz2': ['.tbz2', '.tar.bz2'], |
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64 'tgz': ['.tgz', '.tar.gz'], |
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65 'zip': ['.zip'], |
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66 } |
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67 |
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68 def guesskind(dest): |
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69 for kind, extensions in exts.iteritems(): |
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70 if any(dest.endswith(ext) for ext in extensions): |
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71 return kind |
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72 return None |
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73 |
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74 def _rootctx(repo): |
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75 # repo[0] may be hidden |
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76 for rev in repo: |
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77 return repo[rev] |
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78 return repo['null'] |
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79 |
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80 def buildmetadata(ctx): |
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81 '''build content of .hg_archival.txt''' |
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82 repo = ctx.repo() |
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83 hex = ctx.hex() |
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84 if ctx.rev() is None: |
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85 hex = ctx.p1().hex() |
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86 if ctx.dirty(): |
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87 hex += '+' |
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88 |
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89 base = 'repo: %s\nnode: %s\nbranch: %s\n' % ( |
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90 _rootctx(repo).hex(), hex, encoding.fromlocal(ctx.branch())) |
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91 |
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92 tags = ''.join('tag: %s\n' % t for t in ctx.tags() |
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93 if repo.tagtype(t) == 'global') |
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94 if not tags: |
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95 repo.ui.pushbuffer() |
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96 opts = {'template': '{latesttag}\n{latesttagdistance}\n' |
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97 '{changessincelatesttag}', |
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98 'style': '', 'patch': None, 'git': None} |
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99 cmdutil.show_changeset(repo.ui, repo, opts).show(ctx) |
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100 ltags, dist, changessince = repo.ui.popbuffer().split('\n') |
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101 ltags = ltags.split(':') |
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102 tags = ''.join('latesttag: %s\n' % t for t in ltags) |
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103 tags += 'latesttagdistance: %s\n' % dist |
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104 tags += 'changessincelatesttag: %s\n' % changessince |
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105 |
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106 return base + tags |
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107 |
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108 class tarit(object): |
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109 '''write archive to tar file or stream. can write uncompressed, |
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110 or compress with gzip or bzip2.''' |
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111 |
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112 class GzipFileWithTime(gzip.GzipFile): |
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113 |
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114 def __init__(self, *args, **kw): |
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115 timestamp = None |
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116 if 'timestamp' in kw: |
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117 timestamp = kw.pop('timestamp') |
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118 if timestamp is None: |
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119 self.timestamp = time.time() |
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120 else: |
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121 self.timestamp = timestamp |
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122 gzip.GzipFile.__init__(self, *args, **kw) |
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123 |
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124 def _write_gzip_header(self): |
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125 self.fileobj.write('\037\213') # magic header |
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126 self.fileobj.write('\010') # compression method |
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127 fname = self.name |
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128 if fname and fname.endswith('.gz'): |
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129 fname = fname[:-3] |
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130 flags = 0 |
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131 if fname: |
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132 flags = gzip.FNAME |
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133 self.fileobj.write(chr(flags)) |
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134 gzip.write32u(self.fileobj, long(self.timestamp)) |
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135 self.fileobj.write('\002') |
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136 self.fileobj.write('\377') |
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137 if fname: |
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138 self.fileobj.write(fname + '\000') |
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139 |
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140 def __init__(self, dest, mtime, kind=''): |
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141 self.mtime = mtime |
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142 self.fileobj = None |
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143 |
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144 def taropen(mode, name='', fileobj=None): |
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145 if kind == 'gz': |
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146 mode = mode[0] |
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147 if not fileobj: |
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149 gzfileobj = self.GzipFileWithTime(name, mode + 'b', |
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150 zlib.Z_BEST_COMPRESSION, |
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151 fileobj, timestamp=mtime) |
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152 self.fileobj = gzfileobj |
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153 return tarfile.TarFile.taropen(name, mode, gzfileobj) |
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154 else: |
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155 return tarfile.open(name, mode + kind, fileobj) |
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156 |
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157 if isinstance(dest, str): |
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158 self.z = taropen('w:', name=dest) |
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159 else: |
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160 self.z = taropen('w|', fileobj=dest) |
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161 |
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162 def addfile(self, name, mode, islink, data): |
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163 i = tarfile.TarInfo(name) |
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164 i.mtime = self.mtime |
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165 i.size = len(data) |
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166 if islink: |
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167 i.type = tarfile.SYMTYPE |
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168 i.mode = 0o777 |
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169 i.linkname = data |
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170 data = None |
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171 i.size = 0 |
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172 else: |
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173 i.mode = mode |
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174 data = stringio(data) |
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175 self.z.addfile(i, data) |
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176 |
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177 def done(self): |
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178 self.z.close() |
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179 if self.fileobj: |
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180 self.fileobj.close() |
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181 |
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182 class tellable(object): |
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183 '''provide tell method for zipfile.ZipFile when writing to http |
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184 response file object.''' |
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185 |
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186 def __init__(self, fp): |
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187 self.fp = fp |
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188 self.offset = 0 |
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189 |
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190 def __getattr__(self, key): |
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191 return getattr(self.fp, key) |
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192 |
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193 def write(self, s): |
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194 self.fp.write(s) |
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195 self.offset += len(s) |
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196 |
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197 def tell(self): |
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198 return self.offset |
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199 |
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200 class zipit(object): |
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201 '''write archive to zip file or stream. can write uncompressed, |
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202 or compressed with deflate.''' |
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203 |
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204 def __init__(self, dest, mtime, compress=True): |
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205 if not isinstance(dest, str): |
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206 try: |
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207 dest.tell() |
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208 except (AttributeError, IOError): |
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209 dest = tellable(dest) |
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210 self.z = zipfile.ZipFile(dest, 'w', |
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211 compress and zipfile.ZIP_DEFLATED or |
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212 zipfile.ZIP_STORED) |
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213 |
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214 # Python's zipfile module emits deprecation warnings if we try |
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215 # to store files with a date before 1980. |
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216 epoch = 315532800 # calendar.timegm((1980, 1, 1, 0, 0, 0, 1, 1, 0)) |
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217 if mtime < epoch: |
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218 mtime = epoch |
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219 |
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220 self.mtime = mtime |
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221 self.date_time = time.gmtime(mtime)[:6] |
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222 |
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223 def addfile(self, name, mode, islink, data): |
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224 i = zipfile.ZipInfo(name, self.date_time) |
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225 i.compress_type = self.z.compression |
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226 # unzip will not honor unix file modes unless file creator is |
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227 # set to unix (id 3). |
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228 i.create_system = 3 |
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229 ftype = _UNX_IFREG |
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230 if islink: |
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231 mode = 0o777 |
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232 ftype = _UNX_IFLNK |
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233 i.external_attr = (mode | ftype) << 16 |
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234 # add "extended-timestamp" extra block, because zip archives |
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235 # without this will be extracted with unexpected timestamp, |
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236 # if TZ is not configured as GMT |
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237 i.extra += struct.pack('<hhBl', |
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238 0x5455, # block type: "extended-timestamp" |
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239 1 + 4, # size of this block |
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240 1, # "modification time is present" |
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241 int(self.mtime)) # last modification (UTC) |
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242 self.z.writestr(i, data) |
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243 |
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244 def done(self): |
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245 self.z.close() |
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246 |
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247 class fileit(object): |
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248 '''write archive as files in directory.''' |
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249 |
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250 def __init__(self, name, mtime): |
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251 self.basedir = name |
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252 self.opener = vfsmod.vfs(self.basedir) |
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253 |
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254 def addfile(self, name, mode, islink, data): |
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255 if islink: |
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256 self.opener.symlink(data, name) |
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257 return |
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258 f = self.opener(name, "w", atomictemp=True) |
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259 f.write(data) |
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260 f.close() |
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261 destfile = os.path.join(self.basedir, name) |
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262 os.chmod(destfile, mode) |
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263 |
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264 def done(self): |
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265 pass |
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266 |
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267 archivers = { |
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268 'files': fileit, |
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269 'tar': tarit, |
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270 'tbz2': lambda name, mtime: tarit(name, mtime, 'bz2'), |
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271 'tgz': lambda name, mtime: tarit(name, mtime, 'gz'), |
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272 'uzip': lambda name, mtime: zipit(name, mtime, False), |
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273 'zip': zipit, |
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274 } |
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275 |
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276 def archive(repo, dest, node, kind, decode=True, matchfn=None, |
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277 prefix='', mtime=None, subrepos=False): |
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278 '''create archive of repo as it was at node. |
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279 |
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280 dest can be name of directory, name of archive file, or file |
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281 object to write archive to. |
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282 |
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283 kind is type of archive to create. |
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284 |
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285 decode tells whether to put files through decode filters from |
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286 hgrc. |
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287 |
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288 matchfn is function to filter names of files to write to archive. |
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289 |
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290 prefix is name of path to put before every archive member.''' |
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291 |
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292 if kind == 'files': |
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293 if prefix: |
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294 raise error.Abort(_('cannot give prefix when archiving to files')) |
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295 else: |
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296 prefix = tidyprefix(dest, kind, prefix) |
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297 |
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298 def write(name, mode, islink, getdata): |
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299 data = getdata() |
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300 if decode: |
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301 data = repo.wwritedata(name, data) |
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302 archiver.addfile(prefix + name, mode, islink, data) |
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303 |
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304 if kind not in archivers: |
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305 raise error.Abort(_("unknown archive type '%s'") % kind) |
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306 |
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307 ctx = repo[node] |
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308 archiver = archivers[kind](dest, mtime or ctx.date()[0]) |
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309 |
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310 if repo.ui.configbool("ui", "archivemeta", True): |
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311 name = '.hg_archival.txt' |
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312 if not matchfn or matchfn(name): |
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313 write(name, 0o644, False, lambda: buildmetadata(ctx)) |
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314 |
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315 if matchfn: |
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316 files = [f for f in ctx.manifest().keys() if matchfn(f)] |
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317 else: |
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318 files = ctx.manifest().keys() |
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319 total = len(files) |
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320 if total: |
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321 files.sort() |
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322 repo.ui.progress(_('archiving'), 0, unit=_('files'), total=total) |
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323 for i, f in enumerate(files): |
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324 ff = ctx.flags(f) |
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325 write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, ctx[f].data) |
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326 repo.ui.progress(_('archiving'), i + 1, item=f, |
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327 unit=_('files'), total=total) |
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328 repo.ui.progress(_('archiving'), None) |
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329 |
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330 if subrepos: |
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331 for subpath in sorted(ctx.substate): |
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332 sub = ctx.workingsub(subpath) |
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333 submatch = matchmod.subdirmatcher(subpath, matchfn) |
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334 total += sub.archive(archiver, prefix, submatch, decode) |
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335 |
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336 if total == 0: |
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337 raise error.Abort(_('no files match the archive pattern')) |
12323
f00953d9533c
subrepo: add support for 'hg archive'
Martin Geisler <mg@aragost.com>
parents:
12321
diff
changeset
|
338 |
2112
2b03c6733efa
add "archive" command, like "cvs export" only better.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
diff
changeset
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339 archiver.done() |
18967
88d1b59f6906
archive: raise error.Abort if the file pattern matches no files
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18364
diff
changeset
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340 return total |