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from mercurial import util, ui
from mercurial.i18n import gettext as _
import re
# regexp for single LF without CR preceding.
re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE)
def dumbdecode(s, cmd):
# warn if already has CRLF in repository.
# it might cause unexpected eol conversion.
# see issue 302:
# http://www.selenic.com/mercurial/bts/issue302
if '\r\n' in s:
u = ui.ui()
u.warn(_('WARNING: file in repository already has CRLF line ending \n'
' which does not need eol conversion by win32text plugin.\n'
' Please reconsider encode/decode setting in'
' mercurial.ini or .hg/hgrc\n'
' before next commit.\n'))
# replace single LF to CRLF
return re_single_lf.sub('\\1\r\n', s)
def dumbencode(s, cmd):
return s.replace('\r\n', '\n')
def clevertest(s, cmd):
if '\0' in s: return False
return True
def cleverdecode(s, cmd):
if clevertest(s, cmd):
return dumbdecode(s, cmd)
return s
def cleverencode(s, cmd):
if clevertest(s, cmd):
return dumbencode(s, cmd)
return s
util.filtertable.update({
'dumbdecode:': dumbdecode,
'dumbencode:': dumbencode,
'cleverdecode:': cleverdecode,
'cleverencode:': cleverencode,
})
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