Mercurial > hg
annotate mercurial/archival.py @ 36220:874209855f5c
httppeer: remove httpspeer
All it did was verify at construction time that Mercurial supports
TLS. instance() is what's used to construct peer instances. So
we can just inline this check into that function and do away with
the type variant.
Differential Revision: https://phab.mercurial-scm.org/D2216
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Mon, 12 Feb 2018 17:14:29 -0800 |
parents | b72c6ff4e4c0 |
children | 745b0df08514 |
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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 scmutil, |
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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 # {tags} on ctx includes local tags and 'tip', with no current way to limit |
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81 # that to global tags. Therefore, use {latesttag} as a substitute when |
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82 # the distance is 0, since that will be the list of global tags on ctx. |
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83 _defaultmetatemplate = br''' |
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84 repo: {root} |
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85 node: {ifcontains(rev, revset("wdir()"), "{p1node}{dirty}", "{node}")} |
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86 branch: {branch|utf8} |
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87 {ifeq(latesttagdistance, 0, join(latesttag % "tag: {tag}", "\n"), |
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88 separate("\n", |
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89 join(latesttag % "latesttag: {tag}", "\n"), |
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90 "latesttagdistance: {latesttagdistance}", |
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91 "changessincelatesttag: {changessincelatesttag}"))} |
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92 '''[1:] # drop leading '\n' |
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93 |
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94 def buildmetadata(ctx): |
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95 '''build content of .hg_archival.txt''' |
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96 repo = ctx.repo() |
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97 |
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98 opts = { |
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99 'template': repo.ui.config('experimental', 'archivemetatemplate', |
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100 _defaultmetatemplate) |
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101 } |
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102 |
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103 out = util.stringio() |
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104 |
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105 fm = formatter.formatter(repo.ui, out, 'archive', opts) |
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106 fm.startitem() |
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107 fm.context(ctx=ctx) |
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108 fm.data(root=_rootctx(repo).hex()) |
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109 |
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110 if ctx.rev() is None: |
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111 dirty = '' |
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112 if ctx.dirty(missing=True): |
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113 dirty = '+' |
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114 fm.data(dirty=dirty) |
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115 fm.end() |
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116 |
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117 return out.getvalue() |
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118 |
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119 class tarit(object): |
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120 '''write archive to tar file or stream. can write uncompressed, |
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121 or compress with gzip or bzip2.''' |
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122 |
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123 class GzipFileWithTime(gzip.GzipFile): |
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124 |
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125 def __init__(self, *args, **kw): |
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126 timestamp = None |
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127 if 'timestamp' in kw: |
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128 timestamp = kw.pop(r'timestamp') |
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129 if timestamp is None: |
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130 self.timestamp = time.time() |
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131 else: |
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132 self.timestamp = timestamp |
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133 gzip.GzipFile.__init__(self, *args, **kw) |
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134 |
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135 def _write_gzip_header(self): |
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136 self.fileobj.write('\037\213') # magic header |
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137 self.fileobj.write('\010') # compression method |
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138 fname = self.name |
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139 if fname and fname.endswith('.gz'): |
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140 fname = fname[:-3] |
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141 flags = 0 |
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142 if fname: |
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143 flags = gzip.FNAME |
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144 self.fileobj.write(chr(flags)) |
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145 gzip.write32u(self.fileobj, long(self.timestamp)) |
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146 self.fileobj.write('\002') |
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147 self.fileobj.write('\377') |
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148 if fname: |
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149 self.fileobj.write(fname + '\000') |
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150 |
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151 def __init__(self, dest, mtime, kind=''): |
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152 self.mtime = mtime |
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153 self.fileobj = None |
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154 |
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155 def taropen(mode, name='', fileobj=None): |
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156 if kind == 'gz': |
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157 mode = mode[0] |
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158 if not fileobj: |
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160 gzfileobj = self.GzipFileWithTime(name, mode + 'b', |
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161 zlib.Z_BEST_COMPRESSION, |
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162 fileobj, timestamp=mtime) |
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163 self.fileobj = gzfileobj |
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164 return tarfile.TarFile.taropen(name, mode, gzfileobj) |
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165 else: |
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166 return tarfile.open(name, mode + kind, fileobj) |
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167 |
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168 if isinstance(dest, str): |
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169 self.z = taropen('w:', name=dest) |
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170 else: |
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171 self.z = taropen('w|', fileobj=dest) |
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172 |
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173 def addfile(self, name, mode, islink, data): |
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174 i = tarfile.TarInfo(name) |
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175 i.mtime = self.mtime |
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176 i.size = len(data) |
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177 if islink: |
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178 i.type = tarfile.SYMTYPE |
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179 i.mode = 0o777 |
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180 i.linkname = data |
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181 data = None |
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182 i.size = 0 |
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183 else: |
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184 i.mode = mode |
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185 data = stringio(data) |
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186 self.z.addfile(i, data) |
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187 |
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188 def done(self): |
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189 self.z.close() |
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190 if self.fileobj: |
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191 self.fileobj.close() |
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192 |
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193 class tellable(object): |
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194 '''provide tell method for zipfile.ZipFile when writing to http |
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195 response file object.''' |
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196 |
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197 def __init__(self, fp): |
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198 self.fp = fp |
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199 self.offset = 0 |
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200 |
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201 def __getattr__(self, key): |
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202 return getattr(self.fp, key) |
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203 |
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204 def write(self, s): |
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205 self.fp.write(s) |
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206 self.offset += len(s) |
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207 |
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208 def tell(self): |
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209 return self.offset |
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210 |
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211 class zipit(object): |
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212 '''write archive to zip file or stream. can write uncompressed, |
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213 or compressed with deflate.''' |
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214 |
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215 def __init__(self, dest, mtime, compress=True): |
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216 if not isinstance(dest, str): |
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217 try: |
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218 dest.tell() |
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219 except (AttributeError, IOError): |
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220 dest = tellable(dest) |
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221 self.z = zipfile.ZipFile(dest, r'w', |
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222 compress and zipfile.ZIP_DEFLATED or |
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223 zipfile.ZIP_STORED) |
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224 |
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225 # Python's zipfile module emits deprecation warnings if we try |
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226 # to store files with a date before 1980. |
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227 epoch = 315532800 # calendar.timegm((1980, 1, 1, 0, 0, 0, 1, 1, 0)) |
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228 if mtime < epoch: |
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229 mtime = epoch |
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230 |
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231 self.mtime = mtime |
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232 self.date_time = time.gmtime(mtime)[:6] |
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233 |
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234 def addfile(self, name, mode, islink, data): |
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235 i = zipfile.ZipInfo(name, self.date_time) |
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236 i.compress_type = self.z.compression |
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237 # unzip will not honor unix file modes unless file creator is |
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238 # set to unix (id 3). |
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239 i.create_system = 3 |
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240 ftype = _UNX_IFREG |
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241 if islink: |
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242 mode = 0o777 |
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243 ftype = _UNX_IFLNK |
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244 i.external_attr = (mode | ftype) << 16 |
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245 # add "extended-timestamp" extra block, because zip archives |
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246 # without this will be extracted with unexpected timestamp, |
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247 # if TZ is not configured as GMT |
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248 i.extra += struct.pack('<hhBl', |
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249 0x5455, # block type: "extended-timestamp" |
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250 1 + 4, # size of this block |
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251 1, # "modification time is present" |
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252 int(self.mtime)) # last modification (UTC) |
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253 self.z.writestr(i, data) |
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254 |
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255 def done(self): |
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256 self.z.close() |
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257 |
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258 class fileit(object): |
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259 '''write archive as files in directory.''' |
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260 |
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261 def __init__(self, name, mtime): |
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262 self.basedir = name |
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263 self.opener = vfsmod.vfs(self.basedir) |
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264 self.mtime = mtime |
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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 if self.mtime is not None: |
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276 os.utime(destfile, (self.mtime, self.mtime)) |
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277 |
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278 def done(self): |
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279 pass |
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280 |
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281 archivers = { |
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282 'files': fileit, |
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283 'tar': tarit, |
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284 'tbz2': lambda name, mtime: tarit(name, mtime, 'bz2'), |
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285 'tgz': lambda name, mtime: tarit(name, mtime, 'gz'), |
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286 'uzip': lambda name, mtime: zipit(name, mtime, False), |
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287 'zip': zipit, |
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288 } |
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289 |
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290 def archive(repo, dest, node, kind, decode=True, matchfn=None, |
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291 prefix='', mtime=None, subrepos=False): |
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292 '''create archive of repo as it was at node. |
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293 |
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294 dest can be name of directory, name of archive file, or file |
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295 object to write archive to. |
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296 |
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297 kind is type of archive to create. |
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298 |
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299 decode tells whether to put files through decode filters from |
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300 hgrc. |
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301 |
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302 matchfn is function to filter names of files to write to archive. |
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303 |
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304 prefix is name of path to put before every archive member. |
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305 |
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306 mtime is the modified time, in seconds, or None to use the changeset time. |
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307 |
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308 subrepos tells whether to include subrepos. |
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309 ''' |
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310 |
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311 if kind == 'files': |
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312 if prefix: |
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313 raise error.Abort(_('cannot give prefix when archiving to files')) |
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314 else: |
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315 prefix = tidyprefix(dest, kind, prefix) |
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316 |
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317 def write(name, mode, islink, getdata): |
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318 data = getdata() |
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319 if decode: |
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320 data = repo.wwritedata(name, data) |
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321 archiver.addfile(prefix + name, mode, islink, data) |
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322 |
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323 if kind not in archivers: |
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324 raise error.Abort(_("unknown archive type '%s'") % kind) |
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325 |
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326 ctx = repo[node] |
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327 archiver = archivers[kind](dest, mtime or ctx.date()[0]) |
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328 |
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329 if repo.ui.configbool("ui", "archivemeta"): |
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330 name = '.hg_archival.txt' |
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331 if not matchfn or matchfn(name): |
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332 write(name, 0o644, False, lambda: buildmetadata(ctx)) |
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333 |
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334 if matchfn: |
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335 files = [f for f in ctx.manifest().keys() if matchfn(f)] |
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336 else: |
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337 files = ctx.manifest().keys() |
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338 total = len(files) |
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339 if total: |
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340 files.sort() |
36139
b72c6ff4e4c0
archive: migrate to the fileprefetch callback mechanism
Matt Harbison <matt_harbison@yahoo.com>
parents:
36036
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341 scmutil.fileprefetchhooks(repo, ctx, files) |
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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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342 repo.ui.progress(_('archiving'), 0, unit=_('files'), total=total) |
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parents:
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343 for i, f in enumerate(files): |
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parents:
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344 ff = ctx.flags(f) |
25658
e93036747902
global: mass rewrite to use modern octal syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25615
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345 write(f, 'x' in ff and 0o755 or 0o644, 'l' in ff, ctx[f].data) |
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parents:
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346 repo.ui.progress(_('archiving'), i + 1, item=f, |
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parents:
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347 unit=_('files'), total=total) |
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parents:
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348 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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349 |
f00953d9533c
subrepo: add support for 'hg archive'
Martin Geisler <mg@aragost.com>
parents:
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350 if subrepos: |
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subrepos: process subrepos in sorted order
Mads Kiilerich <mads@kiilerich.com>
parents:
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351 for subpath in sorted(ctx.substate): |
25601
3ec8351fa6ed
archive: support 'wdir()'
Matt Harbison <matt_harbison@yahoo.com>
parents:
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352 sub = ctx.workingsub(subpath) |
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d3f1b7ee5e70
match: rename "narrowmatcher" to "subdirmatcher" (API)
Martin von Zweigbergk <martinvonz@google.com>
parents:
26587
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353 submatch = matchmod.subdirmatcher(subpath, matchfn) |
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b44ab288358e
subrepo: run the repo decoders when archiving
Matt Harbison <matt_harbison@yahoo.com>
parents:
30479
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354 total += sub.archive(archiver, prefix, submatch, decode) |
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parents:
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355 |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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356 if total == 0: |
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Angel Ezquerra <angel.ezquerra@gmail.com>
parents:
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357 raise error.Abort(_('no files match the archive pattern')) |
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Martin Geisler <mg@aragost.com>
parents:
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358 |
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add "archive" command, like "cvs export" only better.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
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359 archiver.done() |
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parents:
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360 return total |