annotate hgext/win32text.py @ 6267:d036ea711140

Check for patches repo with os.path.isdir not os.path.exists
author Eric Hopper <hopper@omnifarious.org>
date Sun, 02 Mar 2008 08:51:02 -0800
parents 7f4257b5cbfc
children 9c897ffd3637 e837dded56c7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 # win32text.py - LF <-> CRLF translation utilities for Windows users
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2 #
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3 # This software may be used and distributed according to the terms
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4 # of the GNU General Public License, incorporated herein by reference.
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5 #
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6 # To perform automatic newline conversion, use:
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7 #
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8 # [extensions]
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9 # hgext.win32text =
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10 # [encode]
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11 # ** = cleverencode:
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12 # [decode]
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13 # ** = cleverdecode:
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14 #
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15 # If not doing conversion, to make sure you do not commit CRLF by accident:
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16 #
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17 # [hooks]
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18 # pretxncommit.crlf = python:hgext.win32text.forbidcrlf
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19 #
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20 # To do the same check on a server to prevent CRLF from being pushed or pulled:
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21 #
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22 # [hooks]
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23 # pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf
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24
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25 from mercurial import util
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26 from mercurial.i18n import gettext as _
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27 from mercurial.node import bin, short
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28 import re
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29
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30 # regexp for single LF without CR preceding.
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31 re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE)
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32
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33 def dumbdecode(s, cmd, ui=None, repo=None, filename=None, **kwargs):
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34 # warn if already has CRLF in repository.
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35 # it might cause unexpected eol conversion.
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36 # see issue 302:
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37 # http://www.selenic.com/mercurial/bts/issue302
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38 if '\r\n' in s and ui and filename and repo:
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39 ui.warn(_('WARNING: %s already has CRLF line endings\n'
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40 'and does not need EOL conversion by the win32text plugin.\n'
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41 'Before your next commit, please reconsider your '
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42 'encode/decode settings in \nMercurial.ini or %s.\n') %
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43 (filename, repo.join('hgrc')))
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44 # replace single LF to CRLF
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45 return re_single_lf.sub('\\1\r\n', s)
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46
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47 def dumbencode(s, cmd):
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48 return s.replace('\r\n', '\n')
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49
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50 def cleverdecode(s, cmd, **kwargs):
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51 if util.binary(s):
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52 return s
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53 return dumbdecode(s, cmd, **kwargs)
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54
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55 def cleverencode(s, cmd):
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56 if util.binary(s):
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57 return s
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58 return dumbencode(s, cmd)
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59
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60 _filters = {
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61 'dumbdecode:': dumbdecode,
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62 'dumbencode:': dumbencode,
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63 'cleverdecode:': cleverdecode,
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64 'cleverencode:': cleverencode,
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65 }
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66
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67 def forbidcrlf(ui, repo, hooktype, node, **kwargs):
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68 halt = False
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69 for rev in xrange(repo.changelog.rev(bin(node)), repo.changelog.count()):
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70 c = repo.changectx(rev)
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71 for f in c.files():
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72 if f not in c:
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73 continue
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74 data = c[f].data()
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75 if not util.binary(data) and '\r\n' in data:
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76 if not halt:
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77 ui.warn(_('Attempt to commit or push text file(s) '
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78 'using CRLF line endings\n'))
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79 ui.warn(_('in %s: %s\n') % (short(c.node()), f))
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80 halt = True
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81 if halt and hooktype == 'pretxnchangegroup':
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82 ui.warn(_('\nTo prevent this mistake in your local repository,\n'
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83 'add to Mercurial.ini or .hg/hgrc:\n'
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84 '\n'
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85 '[hooks]\n'
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86 'pretxncommit.crlf = python:hgext.win32text.forbidcrlf\n'
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87 '\n'
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88 'and also consider adding:\n'
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89 '\n'
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90 '[extensions]\n'
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91 'hgext.win32text =\n'
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92 '[encode]\n'
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93 '** = cleverencode:\n'
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94 '[decode]\n'
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95 '** = cleverdecode:\n'))
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96 return halt
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97
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98 def reposetup(ui, repo):
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99 if not repo.local():
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100 return
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101 for name, fn in _filters.iteritems():
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102 repo.adddatafilter(name, fn)
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103