author | Anton Shestakov <av6@dwimlabs.net> |
Mon, 19 Feb 2018 12:48:50 +0800 | |
changeset 36322 | f3fd4fe0506f |
parent 35675 | 01496e9269f9 |
child 37084 | f0b6fbea00cf |
permissions | -rw-r--r-- |
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# win32text.py - LF <-> CRLF/CR translation utilities for Windows/Mac users |
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# |
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# Copyright 2005, 2007-2009 Matt Mackall <mpm@selenic.com> and others |
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# |
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# This software may be used and distributed according to the terms of the |
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# GNU General Public License version 2 or any later version. |
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'''perform automatic newline conversion (DEPRECATED) |
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Deprecation: The win32text extension requires each user to configure |
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the extension again and again for each clone since the configuration |
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is not copied when cloning. |
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We have therefore made the ``eol`` as an alternative. The ``eol`` |
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uses a version controlled file for its configuration and each clone |
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will therefore use the right settings from the start. |
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To perform automatic newline conversion, use:: |
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[extensions] |
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win32text = |
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[encode] |
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** = cleverencode: |
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# or ** = macencode: |
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[decode] |
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** = cleverdecode: |
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# or ** = macdecode: |
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If not doing conversion, to make sure you do not commit CRLF/CR by accident:: |
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[hooks] |
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pretxncommit.crlf = python:hgext.win32text.forbidcrlf |
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# or pretxncommit.cr = python:hgext.win32text.forbidcr |
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To do the same check on a server to prevent CRLF/CR from being |
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pushed or pulled:: |
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[hooks] |
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pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf |
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# or pretxnchangegroup.cr = python:hgext.win32text.forbidcr |
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''' |
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from __future__ import absolute_import |
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import re |
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from mercurial.i18n import _ |
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from mercurial.node import ( |
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short, |
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) |
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from mercurial import ( |
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registrar, |
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util, |
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) |
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# Note for extension authors: ONLY specify testedwith = 'ships-with-hg-core' for |
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# extensions which SHIP WITH MERCURIAL. Non-mainline extensions should |
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# be specifying the version(s) of Mercurial they are tested with, or |
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# leave the attribute unspecified. |
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testedwith = 'ships-with-hg-core' |
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configtable = {} |
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configitem = registrar.configitem(configtable) |
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configitem('win32text', 'warn', |
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default=True, |
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) |
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# regexp for single LF without CR preceding. |
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re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE) |
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newlinestr = {'\r\n': 'CRLF', '\r': 'CR'} |
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filterstr = {'\r\n': 'clever', '\r': 'mac'} |
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def checknewline(s, newline, ui=None, repo=None, filename=None): |
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# warn if already has 'newline' in repository. |
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# it might cause unexpected eol conversion. |
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# see issue 302: |
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# https://bz.mercurial-scm.org/302 |
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if newline in s and ui and filename and repo: |
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ui.warn(_('WARNING: %s already has %s line endings\n' |
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'and does not need EOL conversion by the win32text plugin.\n' |
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'Before your next commit, please reconsider your ' |
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'encode/decode settings in \nMercurial.ini or %s.\n') % |
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(filename, newlinestr[newline], repo.vfs.join('hgrc'))) |
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def dumbdecode(s, cmd, **kwargs): |
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checknewline(s, '\r\n', **kwargs) |
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# replace single LF to CRLF |
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return re_single_lf.sub('\\1\r\n', s) |
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def dumbencode(s, cmd): |
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return s.replace('\r\n', '\n') |
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def macdumbdecode(s, cmd, **kwargs): |
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checknewline(s, '\r', **kwargs) |
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return s.replace('\n', '\r') |
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def macdumbencode(s, cmd): |
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return s.replace('\r', '\n') |
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def cleverdecode(s, cmd, **kwargs): |
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if not util.binary(s): |
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return dumbdecode(s, cmd, **kwargs) |
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return s |
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def cleverencode(s, cmd): |
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if not util.binary(s): |
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return dumbencode(s, cmd) |
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return s |
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111 |
|
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112 |
def macdecode(s, cmd, **kwargs): |
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|
113 |
if not util.binary(s): |
6484 | 114 |
return macdumbdecode(s, cmd, **kwargs) |
115 |
return s |
|
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116 |
|
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117 |
def macencode(s, cmd): |
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|
118 |
if not util.binary(s): |
6484 | 119 |
return macdumbencode(s, cmd) |
120 |
return s |
|
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121 |
|
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122 |
_filters = { |
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123 |
'dumbdecode:': dumbdecode, |
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|
124 |
'dumbencode:': dumbencode, |
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|
125 |
'cleverdecode:': cleverdecode, |
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|
126 |
'cleverencode:': cleverencode, |
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127 |
'macdumbdecode:': macdumbdecode, |
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128 |
'macdumbencode:': macdumbencode, |
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129 |
'macdecode:': macdecode, |
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130 |
'macencode:': macencode, |
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131 |
} |
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132 |
|
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|
133 |
def forbidnewline(ui, repo, hooktype, node, newline, **kwargs): |
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134 |
halt = False |
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|
135 |
seen = set() |
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136 |
# we try to walk changesets in reverse order from newest to |
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137 |
# oldest, so that if we see a file multiple times, we take the |
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138 |
# newest version as canonical. this prevents us from blocking a |
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139 |
# changegroup that contains an unacceptable commit followed later |
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140 |
# by a commit that fixes the problem. |
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|
141 |
tip = repo['tip'] |
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|
142 |
for rev in xrange(repo.changelog.tiprev(), repo[node].rev() - 1, -1): |
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|
143 |
c = repo[rev] |
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144 |
for f in c.files(): |
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|
145 |
if f in seen or f not in tip or f not in c: |
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146 |
continue |
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|
147 |
seen.add(f) |
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|
148 |
data = c[f].data() |
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|
149 |
if not util.binary(data) and newline in data: |
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|
150 |
if not halt: |
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diff
changeset
|
151 |
ui.warn(_('attempt to commit or push text file(s) ' |
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|
152 |
'using %s line endings\n') % |
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|
153 |
newlinestr[newline]) |
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|
154 |
ui.warn(_('in %s: %s\n') % (short(c.node()), f)) |
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|
155 |
halt = True |
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|
156 |
if halt and hooktype == 'pretxnchangegroup': |
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|
157 |
crlf = newlinestr[newline].lower() |
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|
158 |
filter = filterstr[newline] |
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|
159 |
ui.warn(_('\nTo prevent this mistake in your local repository,\n' |
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|
160 |
'add to Mercurial.ini or .hg/hgrc:\n' |
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|
161 |
'\n' |
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|
162 |
'[hooks]\n' |
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|
163 |
'pretxncommit.%s = python:hgext.win32text.forbid%s\n' |
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164 |
'\n' |
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|
165 |
'and also consider adding:\n' |
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|
166 |
'\n' |
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|
167 |
'[extensions]\n' |
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|
168 |
'win32text =\n' |
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|
169 |
'[encode]\n' |
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|
170 |
'** = %sencode:\n' |
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|
171 |
'[decode]\n' |
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|
172 |
'** = %sdecode:\n') % (crlf, crlf, filter, filter)) |
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|
173 |
return halt |
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|
174 |
|
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|
175 |
def forbidcrlf(ui, repo, hooktype, node, **kwargs): |
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|
176 |
return forbidnewline(ui, repo, hooktype, node, '\r\n', **kwargs) |
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|
177 |
|
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|
178 |
def forbidcr(ui, repo, hooktype, node, **kwargs): |
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|
179 |
return forbidnewline(ui, repo, hooktype, node, '\r', **kwargs) |
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|
180 |
|
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|
181 |
def reposetup(ui, repo): |
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|
182 |
if not repo.local(): |
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|
183 |
return |
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|
184 |
for name, fn in _filters.iteritems(): |
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|
185 |
repo.adddatafilter(name, fn) |
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|
186 |
|
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|
187 |
def extsetup(ui): |
25829
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25186
diff
changeset
|
188 |
# deprecated config: win32text.warn |
34185
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|
189 |
if ui.configbool('win32text', 'warn'): |
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|
190 |
ui.warn(_("win32text is deprecated: " |
26421
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urls: bulk-change primary website URLs
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changeset
|
191 |
"https://mercurial-scm.org/wiki/Win32TextExtension\n")) |