Mercurial > hg
annotate mercurial/archival.py @ 21707:e22cfd1ae97c stable
keyword: suppress keyword expansion while 'hg histedit' for internal merge
Before this patch, 'hg histedit' may cause unexpected conflict, if 'hg
histedit'-ed changes are located near lines in which keywords are
embedded, because keywords are substituted with other strings in the
working directory.
This patch suppresses keyword expansion while 'hg histedit' for
internal merge by adding 'histedit' to 'restricted' command list like
'merge'.
Test in this patch just swaps order of revision #13 and #14: this is
enough to cause internal merge.
author | FUJIWARA Katsunori <foozy@lares.dti.ne.jp> |
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date | Thu, 05 Jun 2014 16:47:14 +0900 |
parents | 88d1b59f6906 |
children | a2f139d25845 |
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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9 from node import hex |
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10 import match as matchmod |
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11 import cmdutil |
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12 import scmutil, util, encoding |
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13 import cStringIO, os, tarfile, time, zipfile |
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14 import zlib, gzip |
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15 import struct |
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16 import error |
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17 |
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18 # from unzip source code: |
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19 _UNX_IFREG = 0x8000 |
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20 _UNX_IFLNK = 0xa000 |
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21 |
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22 def tidyprefix(dest, kind, prefix): |
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23 '''choose prefix to use for names in archive. make sure prefix is |
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24 safe for consumers.''' |
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25 |
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26 if prefix: |
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27 prefix = util.normpath(prefix) |
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28 else: |
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29 if not isinstance(dest, str): |
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30 raise ValueError('dest must be string if no prefix') |
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31 prefix = os.path.basename(dest) |
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32 lower = prefix.lower() |
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33 for sfx in exts.get(kind, []): |
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34 if lower.endswith(sfx): |
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35 prefix = prefix[:-len(sfx)] |
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36 break |
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37 lpfx = os.path.normpath(util.localpath(prefix)) |
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38 prefix = util.pconvert(lpfx) |
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39 if not prefix.endswith('/'): |
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40 prefix += '/' |
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41 if prefix.startswith('../') or os.path.isabs(lpfx) or '/../' in prefix: |
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42 raise util.Abort(_('archive prefix contains illegal components')) |
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43 return prefix |
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44 |
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45 exts = { |
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46 'tar': ['.tar'], |
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47 'tbz2': ['.tbz2', '.tar.bz2'], |
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48 'tgz': ['.tgz', '.tar.gz'], |
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49 'zip': ['.zip'], |
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50 } |
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51 |
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52 def guesskind(dest): |
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53 for kind, extensions in exts.iteritems(): |
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54 if util.any(dest.endswith(ext) for ext in extensions): |
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55 return kind |
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56 return None |
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57 |
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58 |
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59 class tarit(object): |
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60 '''write archive to tar file or stream. can write uncompressed, |
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61 or compress with gzip or bzip2.''' |
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62 |
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63 class GzipFileWithTime(gzip.GzipFile): |
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64 |
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65 def __init__(self, *args, **kw): |
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66 timestamp = None |
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67 if 'timestamp' in kw: |
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68 timestamp = kw.pop('timestamp') |
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69 if timestamp is None: |
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70 self.timestamp = time.time() |
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71 else: |
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72 self.timestamp = timestamp |
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73 gzip.GzipFile.__init__(self, *args, **kw) |
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74 |
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75 def _write_gzip_header(self): |
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76 self.fileobj.write('\037\213') # magic header |
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77 self.fileobj.write('\010') # compression method |
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78 # Python 2.6 introduced self.name and deprecated self.filename |
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79 try: |
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80 fname = self.name |
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81 except AttributeError: |
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82 fname = self.filename |
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83 if fname and fname.endswith('.gz'): |
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84 fname = fname[:-3] |
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85 flags = 0 |
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86 if fname: |
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87 flags = gzip.FNAME |
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88 self.fileobj.write(chr(flags)) |
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89 gzip.write32u(self.fileobj, long(self.timestamp)) |
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90 self.fileobj.write('\002') |
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91 self.fileobj.write('\377') |
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92 if fname: |
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93 self.fileobj.write(fname + '\000') |
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94 |
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95 def __init__(self, dest, mtime, kind=''): |
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96 self.mtime = mtime |
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97 self.fileobj = None |
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98 |
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99 def taropen(name, mode, fileobj=None): |
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100 if kind == 'gz': |
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101 mode = mode[0] |
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102 if not fileobj: |
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104 gzfileobj = self.GzipFileWithTime(name, mode + 'b', |
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105 zlib.Z_BEST_COMPRESSION, |
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106 fileobj, timestamp=mtime) |
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107 self.fileobj = gzfileobj |
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108 return tarfile.TarFile.taropen(name, mode, gzfileobj) |
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109 else: |
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110 return tarfile.open(name, mode + kind, fileobj) |
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111 |
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112 if isinstance(dest, str): |
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113 self.z = taropen(dest, mode='w:') |
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114 else: |
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115 # Python 2.5-2.5.1 have a regression that requires a name arg |
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116 self.z = taropen(name='', mode='w|', fileobj=dest) |
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117 |
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118 def addfile(self, name, mode, islink, data): |
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119 i = tarfile.TarInfo(name) |
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120 i.mtime = self.mtime |
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121 i.size = len(data) |
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122 if islink: |
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123 i.type = tarfile.SYMTYPE |
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124 i.mode = 0777 |
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125 i.linkname = data |
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126 data = None |
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127 i.size = 0 |
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128 else: |
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129 i.mode = mode |
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130 data = cStringIO.StringIO(data) |
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131 self.z.addfile(i, data) |
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132 |
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133 def done(self): |
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134 self.z.close() |
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135 if self.fileobj: |
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136 self.fileobj.close() |
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137 |
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138 class tellable(object): |
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139 '''provide tell method for zipfile.ZipFile when writing to http |
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140 response file object.''' |
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141 |
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142 def __init__(self, fp): |
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143 self.fp = fp |
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144 self.offset = 0 |
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145 |
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146 def __getattr__(self, key): |
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147 return getattr(self.fp, key) |
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148 |
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149 def write(self, s): |
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150 self.fp.write(s) |
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151 self.offset += len(s) |
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152 |
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153 def tell(self): |
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154 return self.offset |
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155 |
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156 class zipit(object): |
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157 '''write archive to zip file or stream. can write uncompressed, |
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158 or compressed with deflate.''' |
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159 |
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160 def __init__(self, dest, mtime, compress=True): |
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161 if not isinstance(dest, str): |
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162 try: |
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163 dest.tell() |
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164 except (AttributeError, IOError): |
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165 dest = tellable(dest) |
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166 self.z = zipfile.ZipFile(dest, 'w', |
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167 compress and zipfile.ZIP_DEFLATED or |
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168 zipfile.ZIP_STORED) |
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169 |
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170 # Python's zipfile module emits deprecation warnings if we try |
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171 # to store files with a date before 1980. |
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172 epoch = 315532800 # calendar.timegm((1980, 1, 1, 0, 0, 0, 1, 1, 0)) |
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173 if mtime < epoch: |
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174 mtime = epoch |
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175 |
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176 self.mtime = mtime |
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177 self.date_time = time.gmtime(mtime)[:6] |
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178 |
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179 def addfile(self, name, mode, islink, data): |
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180 i = zipfile.ZipInfo(name, self.date_time) |
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181 i.compress_type = self.z.compression |
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182 # unzip will not honor unix file modes unless file creator is |
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183 # set to unix (id 3). |
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184 i.create_system = 3 |
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185 ftype = _UNX_IFREG |
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186 if islink: |
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187 mode = 0777 |
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188 ftype = _UNX_IFLNK |
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189 i.external_attr = (mode | ftype) << 16L |
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190 # add "extended-timestamp" extra block, because zip archives |
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191 # without this will be extracted with unexpected timestamp, |
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192 # if TZ is not configured as GMT |
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193 i.extra += struct.pack('<hhBl', |
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194 0x5455, # block type: "extended-timestamp" |
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195 1 + 4, # size of this block |
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196 1, # "modification time is present" |
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197 int(self.mtime)) # last modification (UTC) |
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198 self.z.writestr(i, data) |
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199 |
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200 def done(self): |
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201 self.z.close() |
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202 |
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203 class fileit(object): |
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204 '''write archive as files in directory.''' |
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205 |
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206 def __init__(self, name, mtime): |
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207 self.basedir = name |
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208 self.opener = scmutil.opener(self.basedir) |
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209 |
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210 def addfile(self, name, mode, islink, data): |
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211 if islink: |
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212 self.opener.symlink(data, name) |
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213 return |
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214 f = self.opener(name, "w", atomictemp=True) |
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215 f.write(data) |
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216 f.close() |
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217 destfile = os.path.join(self.basedir, name) |
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218 os.chmod(destfile, mode) |
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219 |
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220 def done(self): |
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221 pass |
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222 |
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223 archivers = { |
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224 'files': fileit, |
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225 'tar': tarit, |
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226 'tbz2': lambda name, mtime: tarit(name, mtime, 'bz2'), |
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227 'tgz': lambda name, mtime: tarit(name, mtime, 'gz'), |
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228 'uzip': lambda name, mtime: zipit(name, mtime, False), |
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229 'zip': zipit, |
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230 } |
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231 |
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232 def archive(repo, dest, node, kind, decode=True, matchfn=None, |
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233 prefix=None, mtime=None, subrepos=False): |
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234 '''create archive of repo as it was at node. |
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235 |
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236 dest can be name of directory, name of archive file, or file |
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237 object to write archive to. |
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238 |
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239 kind is type of archive to create. |
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240 |
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241 decode tells whether to put files through decode filters from |
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242 hgrc. |
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243 |
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244 matchfn is function to filter names of files to write to archive. |
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245 |
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246 prefix is name of path to put before every archive member.''' |
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247 |
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248 if kind == 'files': |
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249 if prefix: |
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250 raise util.Abort(_('cannot give prefix when archiving to files')) |
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251 else: |
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252 prefix = tidyprefix(dest, kind, prefix) |
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253 |
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254 def write(name, mode, islink, getdata): |
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255 data = getdata() |
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256 if decode: |
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257 data = repo.wwritedata(name, data) |
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258 archiver.addfile(prefix + name, mode, islink, data) |
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259 |
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260 if kind not in archivers: |
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261 raise util.Abort(_("unknown archive type '%s'") % kind) |
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262 |
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263 ctx = repo[node] |
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264 archiver = archivers[kind](dest, mtime or ctx.date()[0]) |
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265 |
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266 if repo.ui.configbool("ui", "archivemeta", True): |
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267 def metadata(): |
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268 base = 'repo: %s\nnode: %s\nbranch: %s\n' % ( |
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269 repo[0].hex(), hex(node), encoding.fromlocal(ctx.branch())) |
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270 |
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271 tags = ''.join('tag: %s\n' % t for t in ctx.tags() |
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272 if repo.tagtype(t) == 'global') |
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273 if not tags: |
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274 repo.ui.pushbuffer() |
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275 opts = {'template': '{latesttag}\n{latesttagdistance}', |
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276 'style': '', 'patch': None, 'git': None} |
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277 cmdutil.show_changeset(repo.ui, repo, opts).show(ctx) |
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278 ltags, dist = repo.ui.popbuffer().split('\n') |
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279 tags = ''.join('latesttag: %s\n' % t for t in ltags.split(':')) |
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280 tags += 'latesttagdistance: %s\n' % dist |
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281 |
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282 return base + tags |
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283 |
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284 name = '.hg_archival.txt' |
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285 if not matchfn or matchfn(name): |
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286 write(name, 0644, False, metadata) |
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287 |
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288 if matchfn: |
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289 files = [f for f in ctx.manifest().keys() if matchfn(f)] |
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290 else: |
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291 files = ctx.manifest().keys() |
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292 total = len(files) |
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293 if total: |
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294 files.sort() |
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295 repo.ui.progress(_('archiving'), 0, unit=_('files'), total=total) |
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296 for i, f in enumerate(files): |
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297 ff = ctx.flags(f) |
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298 write(f, 'x' in ff and 0755 or 0644, 'l' in ff, ctx[f].data) |
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299 repo.ui.progress(_('archiving'), i + 1, item=f, |
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300 unit=_('files'), total=total) |
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301 repo.ui.progress(_('archiving'), None) |
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302 |
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303 if subrepos: |
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304 for subpath in sorted(ctx.substate): |
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305 sub = ctx.sub(subpath) |
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306 submatch = matchmod.narrowmatcher(subpath, matchfn) |
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307 total += sub.archive(repo.ui, archiver, prefix, submatch) |
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308 |
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309 if total == 0: |
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310 raise error.Abort(_('no files match the archive pattern')) |
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311 |
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312 archiver.done() |
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313 return total |