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from mercurial import util, ui
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from mercurial.i18n import gettext as _
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import re
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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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def dumbdecode(s, cmd):
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# warn if already has CRLF in repository.
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# it might cause unexpected eol conversion.
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# see issue 302:
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# http://www.selenic.com/mercurial/bts/issue302
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if '\r\n' in s:
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u = ui.ui()
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u.warn(_('WARNING: file in repository already has CRLF line ending \n'
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' which does not need eol conversion by win32text plugin.\n'
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' Please reconsider encode/decode setting in'
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' mercurial.ini or .hg/hgrc\n'
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' before next commit.\n'))
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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 clevertest(s, cmd):
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if '\0' in s: return False
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return True
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def cleverdecode(s, cmd):
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if clevertest(s, cmd):
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return dumbdecode(s, cmd)
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return s
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def cleverencode(s, cmd):
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if clevertest(s, cmd):
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return dumbencode(s, cmd)
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return s
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util.filtertable.update({
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'dumbdecode:': dumbdecode,
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'dumbencode:': dumbencode,
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'cleverdecode:': cleverdecode,
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'cleverencode:': cleverencode,
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})
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