Mercurial > hg
annotate mercurial/archival.py @ 33798:2cd5aba5e1d2
scmutil: use util.shellquote instead of %r
Changes some output, but also resolves differences with Python 3.
Differential Revision: https://phab.mercurial-scm.org/D301
author | Augie Fackler <augie@google.com> |
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date | Wed, 26 Jul 2017 23:47:54 -0400 |
parents | 8074e2d006c0 |
children | 760fef6aca74 |
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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 error, |
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22 formatter, |
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23 match as matchmod, |
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24 util, |
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25 vfs as vfsmod, |
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26 ) |
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27 stringio = util.stringio |
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28 |
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29 # from unzip source code: |
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30 _UNX_IFREG = 0x8000 |
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31 _UNX_IFLNK = 0xa000 |
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32 |
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33 def tidyprefix(dest, kind, prefix): |
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34 '''choose prefix to use for names in archive. make sure prefix is |
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35 safe for consumers.''' |
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36 |
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37 if prefix: |
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38 prefix = util.normpath(prefix) |
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39 else: |
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40 if not isinstance(dest, str): |
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41 raise ValueError('dest must be string if no prefix') |
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42 prefix = os.path.basename(dest) |
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43 lower = prefix.lower() |
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44 for sfx in exts.get(kind, []): |
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45 if lower.endswith(sfx): |
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46 prefix = prefix[:-len(sfx)] |
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47 break |
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48 lpfx = os.path.normpath(util.localpath(prefix)) |
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49 prefix = util.pconvert(lpfx) |
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50 if not prefix.endswith('/'): |
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51 prefix += '/' |
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52 # Drop the leading '.' path component if present, so Windows can read the |
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53 # zip files (issue4634) |
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54 if prefix.startswith('./'): |
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55 prefix = prefix[2:] |
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56 if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix: |
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57 raise error.Abort(_('archive prefix contains illegal components')) |
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58 return prefix |
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59 |
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60 exts = { |
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61 'tar': ['.tar'], |
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62 'tbz2': ['.tbz2', '.tar.bz2'], |
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63 'tgz': ['.tgz', '.tar.gz'], |
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64 'zip': ['.zip'], |
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65 } |
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66 |
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67 def guesskind(dest): |
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68 for kind, extensions in exts.iteritems(): |
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69 if any(dest.endswith(ext) for ext in extensions): |
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70 return kind |
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71 return None |
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72 |
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73 def _rootctx(repo): |
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74 # repo[0] may be hidden |
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75 for rev in repo: |
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76 return repo[rev] |
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77 return repo['null'] |
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78 |
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79 def buildmetadata(ctx): |
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80 '''build content of .hg_archival.txt''' |
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81 repo = ctx.repo() |
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82 |
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83 default = ( |
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84 r'repo: {root}\n' |
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85 r'node: {ifcontains(rev, revset("wdir()"),' |
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86 r'"{p1node}{dirty}", "{node}")}\n' |
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87 r'branch: {branch|utf8}\n' |
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88 |
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89 # {tags} on ctx includes local tags and 'tip', with no current way to |
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90 # limit that to global tags. Therefore, use {latesttag} as a substitute |
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91 # when the distance is 0, since that will be the list of global tags on |
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92 # ctx. |
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93 r'{ifeq(latesttagdistance, 0, latesttag % "tag: {tag}\n",' |
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94 r'"{latesttag % "latesttag: {tag}\n"}' |
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95 r'latesttagdistance: {latesttagdistance}\n' |
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96 r'changessincelatesttag: {changessincelatesttag}\n")}' |
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97 ) |
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98 |
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99 opts = { |
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100 'template': repo.ui.config('experimental', 'archivemetatemplate', |
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101 default) |
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102 } |
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103 |
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104 out = util.stringio() |
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105 |
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106 fm = formatter.formatter(repo.ui, out, 'archive', opts) |
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107 fm.startitem() |
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108 fm.context(ctx=ctx) |
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109 fm.data(root=_rootctx(repo).hex()) |
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110 |
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111 if ctx.rev() is None: |
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112 dirty = '' |
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113 if ctx.dirty(missing=True): |
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114 dirty = '+' |
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115 fm.data(dirty=dirty) |
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116 fm.end() |
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117 |
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118 return out.getvalue() |
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119 |
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120 class tarit(object): |
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121 '''write archive to tar file or stream. can write uncompressed, |
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122 or compress with gzip or bzip2.''' |
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123 |
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124 class GzipFileWithTime(gzip.GzipFile): |
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125 |
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126 def __init__(self, *args, **kw): |
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127 timestamp = None |
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128 if 'timestamp' in kw: |
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129 timestamp = kw.pop('timestamp') |
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130 if timestamp is None: |
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131 self.timestamp = time.time() |
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132 else: |
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133 self.timestamp = timestamp |
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134 gzip.GzipFile.__init__(self, *args, **kw) |
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135 |
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136 def _write_gzip_header(self): |
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137 self.fileobj.write('\037\213') # magic header |
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138 self.fileobj.write('\010') # compression method |
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139 fname = self.name |
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140 if fname and fname.endswith('.gz'): |
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141 fname = fname[:-3] |
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142 flags = 0 |
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143 if fname: |
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144 flags = gzip.FNAME |
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145 self.fileobj.write(chr(flags)) |
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146 gzip.write32u(self.fileobj, long(self.timestamp)) |
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147 self.fileobj.write('\002') |
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148 self.fileobj.write('\377') |
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149 if fname: |
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150 self.fileobj.write(fname + '\000') |
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151 |
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152 def __init__(self, dest, mtime, kind=''): |
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153 self.mtime = mtime |
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154 self.fileobj = None |
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155 |
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156 def taropen(mode, name='', fileobj=None): |
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157 if kind == 'gz': |
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158 mode = mode[0] |
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159 if not fileobj: |
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161 gzfileobj = self.GzipFileWithTime(name, mode + 'b', |
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162 zlib.Z_BEST_COMPRESSION, |
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163 fileobj, timestamp=mtime) |
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164 self.fileobj = gzfileobj |
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165 return tarfile.TarFile.taropen(name, mode, gzfileobj) |
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166 else: |
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167 return tarfile.open(name, mode + kind, fileobj) |
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168 |
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169 if isinstance(dest, str): |
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170 self.z = taropen('w:', name=dest) |
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171 else: |
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172 self.z = taropen('w|', fileobj=dest) |
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173 |
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174 def addfile(self, name, mode, islink, data): |
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175 i = tarfile.TarInfo(name) |
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176 i.mtime = self.mtime |
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177 i.size = len(data) |
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178 if islink: |
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179 i.type = tarfile.SYMTYPE |
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180 i.mode = 0o777 |
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181 i.linkname = data |
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182 data = None |
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183 i.size = 0 |
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184 else: |
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185 i.mode = mode |
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186 data = stringio(data) |
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187 self.z.addfile(i, data) |
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188 |
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189 def done(self): |
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190 self.z.close() |
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191 if self.fileobj: |
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192 self.fileobj.close() |
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193 |
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194 class tellable(object): |
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195 '''provide tell method for zipfile.ZipFile when writing to http |
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196 response file object.''' |
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197 |
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198 def __init__(self, fp): |
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199 self.fp = fp |
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200 self.offset = 0 |
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201 |
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202 def __getattr__(self, key): |
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203 return getattr(self.fp, key) |
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204 |
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205 def write(self, s): |
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206 self.fp.write(s) |
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207 self.offset += len(s) |
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208 |
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209 def tell(self): |
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210 return self.offset |
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211 |
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212 class zipit(object): |
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213 '''write archive to zip file or stream. can write uncompressed, |
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214 or compressed with deflate.''' |
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215 |
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216 def __init__(self, dest, mtime, compress=True): |
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217 if not isinstance(dest, str): |
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218 try: |
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219 dest.tell() |
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220 except (AttributeError, IOError): |
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221 dest = tellable(dest) |
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222 self.z = zipfile.ZipFile(dest, 'w', |
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223 compress and zipfile.ZIP_DEFLATED or |
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224 zipfile.ZIP_STORED) |
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225 |
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226 # Python's zipfile module emits deprecation warnings if we try |
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227 # to store files with a date before 1980. |
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228 epoch = 315532800 # calendar.timegm((1980, 1, 1, 0, 0, 0, 1, 1, 0)) |
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229 if mtime < epoch: |
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230 mtime = epoch |
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231 |
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232 self.mtime = mtime |
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233 self.date_time = time.gmtime(mtime)[:6] |
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234 |
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235 def addfile(self, name, mode, islink, data): |
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236 i = zipfile.ZipInfo(name, self.date_time) |
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237 i.compress_type = self.z.compression |
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238 # unzip will not honor unix file modes unless file creator is |
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239 # set to unix (id 3). |
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240 i.create_system = 3 |
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241 ftype = _UNX_IFREG |
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242 if islink: |
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243 mode = 0o777 |
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244 ftype = _UNX_IFLNK |
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245 i.external_attr = (mode | ftype) << 16 |
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246 # add "extended-timestamp" extra block, because zip archives |
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247 # without this will be extracted with unexpected timestamp, |
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248 # if TZ is not configured as GMT |
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249 i.extra += struct.pack('<hhBl', |
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250 0x5455, # block type: "extended-timestamp" |
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251 1 + 4, # size of this block |
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252 1, # "modification time is present" |
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253 int(self.mtime)) # last modification (UTC) |
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254 self.z.writestr(i, data) |
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255 |
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256 def done(self): |
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257 self.z.close() |
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258 |
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259 class fileit(object): |
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260 '''write archive as files in directory.''' |
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261 |
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262 def __init__(self, name, mtime): |
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263 self.basedir = name |
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264 self.opener = vfsmod.vfs(self.basedir) |
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265 |
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266 def addfile(self, name, mode, islink, data): |
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267 if islink: |
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268 self.opener.symlink(data, name) |
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269 return |
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270 f = self.opener(name, "w", atomictemp=True) |
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271 f.write(data) |
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272 f.close() |
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273 destfile = os.path.join(self.basedir, name) |
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274 os.chmod(destfile, mode) |
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275 |
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276 def done(self): |
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277 pass |
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278 |
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279 archivers = { |
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280 'files': fileit, |
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281 'tar': tarit, |
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282 'tbz2': lambda name, mtime: tarit(name, mtime, 'bz2'), |
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283 'tgz': lambda name, mtime: tarit(name, mtime, 'gz'), |
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284 'uzip': lambda name, mtime: zipit(name, mtime, False), |
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285 'zip': zipit, |
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286 } |
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287 |
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288 def archive(repo, dest, node, kind, decode=True, matchfn=None, |
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289 prefix='', mtime=None, subrepos=False): |
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290 '''create archive of repo as it was at node. |
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291 |
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292 dest can be name of directory, name of archive file, or file |
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293 object to write archive to. |
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294 |
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295 kind is type of archive to create. |
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296 |
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297 decode tells whether to put files through decode filters from |
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298 hgrc. |
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299 |
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300 matchfn is function to filter names of files to write to archive. |
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301 |
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302 prefix is name of path to put before every archive member.''' |
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303 |
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304 if kind == 'files': |
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305 if prefix: |
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306 raise error.Abort(_('cannot give prefix when archiving to files')) |
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307 else: |
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308 prefix = tidyprefix(dest, kind, prefix) |
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309 |
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310 def write(name, mode, islink, getdata): |
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311 data = getdata() |
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312 if decode: |
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313 data = repo.wwritedata(name, data) |
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314 archiver.addfile(prefix + name, mode, islink, data) |
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315 |
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316 if kind not in archivers: |
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317 raise error.Abort(_("unknown archive type '%s'") % kind) |
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318 |
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319 ctx = repo[node] |
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320 archiver = archivers[kind](dest, mtime or ctx.date()[0]) |
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321 |
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322 if repo.ui.configbool("ui", "archivemeta"): |
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323 name = '.hg_archival.txt' |
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324 if not matchfn or matchfn(name): |
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325 write(name, 0o644, False, lambda: buildmetadata(ctx)) |
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326 |
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327 if matchfn: |
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328 files = [f for f in ctx.manifest().keys() if matchfn(f)] |
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329 else: |
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330 files = ctx.manifest().keys() |
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331 total = len(files) |
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332 if total: |
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333 files.sort() |
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334 repo.ui.progress(_('archiving'), 0, unit=_('files'), total=total) |
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335 for i, f in enumerate(files): |
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336 ff = ctx.flags(f) |
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337 write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, ctx[f].data) |
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338 repo.ui.progress(_('archiving'), i + 1, item=f, |
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339 unit=_('files'), total=total) |
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archive: raise error.Abort if the file pattern matches no files
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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340 repo.ui.progress(_('archiving'), None) |
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subrepo: add support for 'hg archive'
Martin Geisler <mg@aragost.com>
parents:
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341 |
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subrepo: add support for 'hg archive'
Martin Geisler <mg@aragost.com>
parents:
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342 if subrepos: |
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subrepos: process subrepos in sorted order
Mads Kiilerich <mads@kiilerich.com>
parents:
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343 for subpath in sorted(ctx.substate): |
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archive: support 'wdir()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
25149
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344 sub = ctx.workingsub(subpath) |
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match: rename "narrowmatcher" to "subdirmatcher" (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
26587
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345 submatch = matchmod.subdirmatcher(subpath, matchfn) |
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subrepo: run the repo decoders when archiving
Matt Harbison <matt_harbison@yahoo.com>
parents:
30479
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346 total += sub.archive(archiver, prefix, submatch, decode) |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18364
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347 |
88d1b59f6906
archive: raise error.Abort if the file pattern matches no files
Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18364
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348 if total == 0: |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
18364
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349 raise error.Abort(_('no files match the archive pattern')) |
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Martin Geisler <mg@aragost.com>
parents:
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350 |
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add "archive" command, like "cvs export" only better.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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351 archiver.done() |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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352 return total |