Mercurial > hg
annotate hgext/eol.py @ 12592:f2937d6492c5 stable
url: verify correctness of https server certificates (issue2407)
Pythons SSL module verifies that certificates received for HTTPS are valid
according to the specified cacerts, but it doesn't verify that the certificate
is for the host we connect to.
We now explicitly verify that the commonName in the received certificate
matches the requested hostname and is valid for the time being.
This is a minimal patch where we try to fail to the safe side, but we do still
rely on Python's SSL functionality and do not try to implement the standards
fully and correctly. CRLs and subjectAltName are not handled and proxies
haven't been considered.
This change might break connections to some sites if cacerts is specified and
the certificates (by our definition) isn't correct. The workaround is to
disable cacerts which in most cases isn't much worse than it was before with
cacerts.
author | Mads Kiilerich <mads@kiilerich.com> |
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date | Fri, 01 Oct 2010 00:46:59 +0200 |
parents | 0852da25a31b |
children | 2ae4d6c31dcc |
rev | line source |
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1 """automatically manage newlines in repository files |
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2 |
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3 This extension allows you to manage the type of line endings (CRLF or |
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4 LF) that are used in the repository and in the local working |
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5 directory. That way you can get CRLF line endings on Windows and LF on |
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6 Unix/Mac, thereby letting everybody use their OS native line endings. |
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7 |
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8 The extension reads its configuration from a versioned ``.hgeol`` |
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9 configuration file every time you run an ``hg`` command. The |
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10 ``.hgeol`` file use the same syntax as all other Mercurial |
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11 configuration files. It uses two sections, ``[patterns]`` and |
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12 ``[repository]``. |
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13 |
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14 The ``[patterns]`` section specifies the line endings used in the |
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15 working directory. The format is specified by a file pattern. The |
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16 first match is used, so put more specific patterns first. The |
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17 available line endings are ``LF``, ``CRLF``, and ``BIN``. |
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18 |
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19 Files with the declared format of ``CRLF`` or ``LF`` are always |
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20 checked out in that format and files declared to be binary (``BIN``) |
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21 are left unchanged. Additionally, ``native`` is an alias for the |
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22 platform's default line ending: ``LF`` on Unix (including Mac OS X) |
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23 and ``CRLF`` on Windows. Note that ``BIN`` (do nothing to line |
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24 endings) is Mercurial's default behaviour; it is only needed if you |
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25 need to override a later, more general pattern. |
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26 |
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27 The optional ``[repository]`` section specifies the line endings to |
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28 use for files stored in the repository. It has a single setting, |
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29 ``native``, which determines the storage line endings for files |
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30 declared as ``native`` in the ``[patterns]`` section. It can be set to |
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31 ``LF`` or ``CRLF``. The default is ``LF``. For example, this means |
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32 that on Windows, files configured as ``native`` (``CRLF`` by default) |
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33 will be converted to ``LF`` when stored in the repository. Files |
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34 declared as ``LF``, ``CRLF``, or ``BIN`` in the ``[patterns]`` section |
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35 are always stored as-is in the repository. |
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36 |
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37 Example versioned ``.hgeol`` file:: |
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38 |
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39 [patterns] |
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40 **.py = native |
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41 **.vcproj = CRLF |
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42 **.txt = native |
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43 Makefile = LF |
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44 **.jpg = BIN |
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45 |
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46 [repository] |
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47 native = LF |
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48 |
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49 The extension uses an optional ``[eol]`` section in your hgrc file |
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50 (not the ``.hgeol`` file) for settings that control the overall |
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51 behavior. There are two settings: |
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52 |
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53 - ``eol.native`` (default ``os.linesep``) can be set to ``LF`` or |
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54 ``CRLF`` override the default interpretation of ``native`` for |
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55 checkout. This can be used with :hg:`archive` on Unix, say, to |
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56 generate an archive where files have line endings for Windows. |
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57 |
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58 - ``eol.only-consistent`` (default True) can be set to False to make |
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59 the extension convert files with inconsistent EOLs. Inconsistent |
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60 means that there is both ``CRLF`` and ``LF`` present in the file. |
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61 Such files are normally not touched under the assumption that they |
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62 have mixed EOLs on purpose. |
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63 |
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64 See :hg:`help patterns` for more information about the glob patterns |
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65 used. |
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66 """ |
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67 |
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68 from mercurial.i18n import _ |
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69 from mercurial import util, config, extensions, commands, match, cmdutil |
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70 import re, os |
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71 |
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72 # Matches a lone LF, i.e., one that is not part of CRLF. |
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73 singlelf = re.compile('(^|[^\r])\n') |
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74 # Matches a single EOL which can either be a CRLF where repeated CR |
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75 # are removed or a LF. We do not care about old Machintosh files, so a |
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76 # stray CR is an error. |
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77 eolre = re.compile('\r*\n') |
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78 |
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79 |
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80 def inconsistenteol(data): |
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81 return '\r\n' in data and singlelf.search(data) |
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82 |
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83 def tolf(s, params, ui, **kwargs): |
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84 """Filter to convert to LF EOLs.""" |
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85 if util.binary(s): |
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86 return s |
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87 if ui.configbool('eol', 'only-consistent', True) and inconsistenteol(s): |
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88 return s |
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89 return eolre.sub('\n', s) |
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90 |
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91 def tocrlf(s, params, ui, **kwargs): |
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92 """Filter to convert to CRLF EOLs.""" |
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93 if util.binary(s): |
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94 return s |
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95 if ui.configbool('eol', 'only-consistent', True) and inconsistenteol(s): |
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96 return s |
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97 return eolre.sub('\r\n', s) |
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98 |
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99 def isbinary(s, params): |
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100 """Filter to do nothing with the file.""" |
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101 return s |
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102 |
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103 filters = { |
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104 'to-lf': tolf, |
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105 'to-crlf': tocrlf, |
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106 'is-binary': isbinary, |
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107 } |
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108 |
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109 |
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110 def hook(ui, repo, node, hooktype, **kwargs): |
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111 """verify that files have expected EOLs""" |
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112 files = set() |
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113 for rev in xrange(repo[node].rev(), len(repo)): |
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114 files.update(repo[rev].files()) |
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115 tip = repo['tip'] |
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116 for f in files: |
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117 if f not in tip: |
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118 continue |
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119 for pattern, target in ui.configitems('encode'): |
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120 if match.match(repo.root, '', [pattern])(f): |
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121 data = tip[f].data() |
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122 if target == "to-lf" and "\r\n" in data: |
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123 raise util.Abort(_("%s should not have CRLF line endings") |
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124 % f) |
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125 elif target == "to-crlf" and singlelf.search(data): |
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126 raise util.Abort(_("%s should not have LF line endings") |
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127 % f) |
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128 |
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129 |
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130 def preupdate(ui, repo, hooktype, parent1, parent2): |
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131 #print "preupdate for %s: %s -> %s" % (repo.root, parent1, parent2) |
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132 repo.readhgeol(parent1) |
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133 return False |
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134 |
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135 def uisetup(ui): |
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136 ui.setconfig('hooks', 'preupdate.eol', preupdate) |
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137 |
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138 def extsetup(ui): |
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139 try: |
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140 extensions.find('win32text') |
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141 raise util.Abort(_("the eol extension is incompatible with the " |
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142 "win32text extension")) |
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143 except KeyError: |
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144 pass |
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145 |
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146 |
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147 def reposetup(ui, repo): |
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148 uisetup(repo.ui) |
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149 #print "reposetup for", repo.root |
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150 |
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151 if not repo.local(): |
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152 return |
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153 for name, fn in filters.iteritems(): |
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154 repo.adddatafilter(name, fn) |
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155 |
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156 ui.setconfig('patch', 'eol', 'auto') |
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157 |
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158 class eolrepo(repo.__class__): |
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159 |
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160 _decode = {'LF': 'to-lf', 'CRLF': 'to-crlf', 'BIN': 'is-binary'} |
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161 _encode = {'LF': 'to-lf', 'CRLF': 'to-crlf', 'BIN': 'is-binary'} |
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162 |
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163 def readhgeol(self, node=None, data=None): |
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164 if data is None: |
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165 try: |
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166 if node is None: |
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167 data = self.wfile('.hgeol').read() |
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168 else: |
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169 data = self[node]['.hgeol'].data() |
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170 except (IOError, LookupError): |
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171 return None |
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172 |
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173 if self.ui.config('eol', 'native', os.linesep) in ('LF', '\n'): |
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174 self._decode['NATIVE'] = 'to-lf' |
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175 else: |
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176 self._decode['NATIVE'] = 'to-crlf' |
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177 |
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178 eol = config.config() |
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179 eol.parse('.hgeol', data) |
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180 |
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181 if eol.get('repository', 'native') == 'CRLF': |
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182 self._encode['NATIVE'] = 'to-crlf' |
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183 else: |
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184 self._encode['NATIVE'] = 'to-lf' |
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185 |
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186 for pattern, style in eol.items('patterns'): |
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187 key = style.upper() |
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188 try: |
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189 self.ui.setconfig('decode', pattern, self._decode[key]) |
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190 self.ui.setconfig('encode', pattern, self._encode[key]) |
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191 except KeyError: |
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192 self.ui.warn(_("ignoring unknown EOL style '%s' from %s\n") |
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193 % (style, eol.source('patterns', pattern))) |
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|
194 |
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195 include = [] |
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196 exclude = [] |
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|
197 for pattern, style in eol.items('patterns'): |
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198 key = style.upper() |
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199 if key == 'BIN': |
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|
200 exclude.append(pattern) |
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|
201 else: |
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|
202 include.append(pattern) |
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|
203 |
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|
204 # This will match the files for which we need to care |
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|
205 # about inconsistent newlines. |
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|
206 return match.match(self.root, '', [], include, exclude) |
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|
207 |
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|
208 def _hgcleardirstate(self): |
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parents:
diff
changeset
|
209 self._eolfile = self.readhgeol() or self.readhgeol('tip') |
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|
210 |
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parents:
diff
changeset
|
211 if not self._eolfile: |
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diff
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|
212 self._eolfile = util.never |
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parents:
diff
changeset
|
213 return |
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parents:
diff
changeset
|
214 |
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diff
changeset
|
215 try: |
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diff
changeset
|
216 cachemtime = os.path.getmtime(self.join("eol.cache")) |
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diff
changeset
|
217 except OSError: |
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parents:
diff
changeset
|
218 cachemtime = 0 |
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parents:
diff
changeset
|
219 |
0bb67503ad4b
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Martin Geisler <mg@lazybytes.net>
parents:
diff
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|
220 try: |
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diff
changeset
|
221 eolmtime = os.path.getmtime(self.wjoin(".hgeol")) |
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diff
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|
222 except OSError: |
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parents:
diff
changeset
|
223 eolmtime = 0 |
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Martin Geisler <mg@lazybytes.net>
parents:
diff
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|
224 |
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Martin Geisler <mg@lazybytes.net>
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|
225 if eolmtime > cachemtime: |
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diff
changeset
|
226 ui.debug("eol: detected change in .hgeol\n") |
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|
227 # TODO: we could introduce a method for this in dirstate. |
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diff
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|
228 wlock = None |
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diff
changeset
|
229 try: |
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diff
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|
230 wlock = self.wlock() |
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parents:
diff
changeset
|
231 for f, e in self.dirstate._map.iteritems(): |
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diff
changeset
|
232 self.dirstate._map[f] = (e[0], e[1], -1, 0) |
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diff
changeset
|
233 self.dirstate._dirty = True |
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diff
changeset
|
234 # Touch the cache to update mtime. TODO: are we sure this |
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235 # always enought to update the mtime, or should we write a |
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|
236 # bit to the file? |
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diff
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|
237 self.opener("eol.cache", "w").close() |
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diff
changeset
|
238 finally: |
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diff
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|
239 if wlock is not None: |
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parents:
diff
changeset
|
240 wlock.release() |
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diff
changeset
|
241 |
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diff
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|
242 def commitctx(self, ctx, error=False): |
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diff
changeset
|
243 for f in sorted(ctx.added() + ctx.modified()): |
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diff
changeset
|
244 if not self._eolfile(f): |
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parents:
diff
changeset
|
245 continue |
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parents:
diff
changeset
|
246 data = ctx[f].data() |
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|
247 if util.binary(data): |
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|
248 # We should not abort here, since the user should |
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changeset
|
249 # be able to say "** = native" to automatically |
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|
250 # have all non-binary files taken care of. |
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diff
changeset
|
251 continue |
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parents:
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changeset
|
252 if inconsistenteol(data): |
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diff
changeset
|
253 raise util.Abort(_("inconsistent newline style " |
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Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
254 "in %s\n" % f)) |
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changeset
|
255 return super(eolrepo, self).commitctx(ctx, error) |
0bb67503ad4b
eol: extension for managing file EOLs
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
256 repo.__class__ = eolrepo |
0bb67503ad4b
eol: extension for managing file EOLs
Martin Geisler <mg@lazybytes.net>
parents:
diff
changeset
|
257 repo._hgcleardirstate() |