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1 | # win32text.py - LF <-> CRLF/CR translation utilities for Windows/Mac users |
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1 | # win32text.py - LF <-> CRLF/CR translation utilities for Windows/Mac users | |
2 | # |
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2 | # | |
3 | # This software may be used and distributed according to the terms |
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3 | # This software may be used and distributed according to the terms | |
4 | # of the GNU General Public License, incorporated herein by reference. |
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4 | # of the GNU General Public License, incorporated herein by reference. | |
5 | # |
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5 | # | |
6 | # To perform automatic newline conversion, use: |
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6 | # To perform automatic newline conversion, use: | |
7 | # |
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7 | # | |
8 | # [extensions] |
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8 | # [extensions] | |
9 | # hgext.win32text = |
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9 | # hgext.win32text = | |
10 | # [encode] |
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10 | # [encode] | |
11 | # ** = cleverencode: |
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11 | # ** = cleverencode: | |
12 | # # or ** = macencode: |
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12 | # # or ** = macencode: | |
13 | # [decode] |
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13 | # [decode] | |
14 | # ** = cleverdecode: |
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14 | # ** = cleverdecode: | |
15 | # # or ** = macdecode: |
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15 | # # or ** = macdecode: | |
16 | # |
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16 | # | |
17 | # If not doing conversion, to make sure you do not commit CRLF/CR by accident: |
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17 | # If not doing conversion, to make sure you do not commit CRLF/CR by accident: | |
18 | # |
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18 | # | |
19 | # [hooks] |
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19 | # [hooks] | |
20 | # pretxncommit.crlf = python:hgext.win32text.forbidcrlf |
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20 | # pretxncommit.crlf = python:hgext.win32text.forbidcrlf | |
21 | # # or pretxncommit.cr = python:hgext.win32text.forbidcr |
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21 | # # or pretxncommit.cr = python:hgext.win32text.forbidcr | |
22 | # |
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22 | # | |
23 | # To do the same check on a server to prevent CRLF/CR from being pushed or |
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23 | # To do the same check on a server to prevent CRLF/CR from being pushed or | |
24 | # pulled: |
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24 | # pulled: | |
25 | # |
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25 | # | |
26 | # [hooks] |
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26 | # [hooks] | |
27 | # pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf |
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27 | # pretxnchangegroup.crlf = python:hgext.win32text.forbidcrlf | |
28 | # # or pretxnchangegroup.cr = python:hgext.win32text.forbidcr |
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28 | # # or pretxnchangegroup.cr = python:hgext.win32text.forbidcr | |
29 |
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29 | |||
30 | from mercurial import util |
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30 | from mercurial import util | |
31 | from mercurial.i18n import gettext as _ |
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31 | from mercurial.i18n import gettext as _ | |
32 | from mercurial.node import bin, short |
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32 | from mercurial.node import bin, short | |
33 | import re |
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33 | import re | |
34 |
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34 | |||
35 | # regexp for single LF without CR preceding. |
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35 | # regexp for single LF without CR preceding. | |
36 | re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE) |
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36 | re_single_lf = re.compile('(^|[^\r])\n', re.MULTILINE) | |
37 |
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37 | |||
38 | newlinestr = {'\r\n': 'CRLF', '\r': 'CR'} |
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38 | newlinestr = {'\r\n': 'CRLF', '\r': 'CR'} | |
39 | filterstr = {'\r\n': 'clever', '\r': 'mac'} |
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39 | filterstr = {'\r\n': 'clever', '\r': 'mac'} | |
40 |
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40 | |||
41 | def checknewline(s, newline, ui=None, repo=None, filename=None): |
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41 | def checknewline(s, newline, ui=None, repo=None, filename=None): | |
42 | # warn if already has 'newline' in repository. |
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42 | # warn if already has 'newline' in repository. | |
43 | # it might cause unexpected eol conversion. |
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43 | # it might cause unexpected eol conversion. | |
44 | # see issue 302: |
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44 | # see issue 302: | |
45 | # http://www.selenic.com/mercurial/bts/issue302 |
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45 | # http://www.selenic.com/mercurial/bts/issue302 | |
46 | if newline in s and ui and filename and repo: |
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46 | if newline in s and ui and filename and repo: | |
47 | ui.warn(_('WARNING: %s already has %s line endings\n' |
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47 | ui.warn(_('WARNING: %s already has %s line endings\n' | |
48 | 'and does not need EOL conversion by the win32text plugin.\n' |
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48 | 'and does not need EOL conversion by the win32text plugin.\n' | |
49 | 'Before your next commit, please reconsider your ' |
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49 | 'Before your next commit, please reconsider your ' | |
50 | 'encode/decode settings in \nMercurial.ini or %s.\n') % |
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50 | 'encode/decode settings in \nMercurial.ini or %s.\n') % | |
51 | (filename, newlinestr[newline], repo.join('hgrc'))) |
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51 | (filename, newlinestr[newline], repo.join('hgrc'))) | |
52 |
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52 | |||
53 | def dumbdecode(s, cmd, **kwargs): |
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53 | def dumbdecode(s, cmd, **kwargs): | |
54 | checknewline(s, '\r\n', **kwargs) |
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54 | checknewline(s, '\r\n', **kwargs) | |
55 | # replace single LF to CRLF |
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55 | # replace single LF to CRLF | |
56 | return re_single_lf.sub('\\1\r\n', s) |
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56 | return re_single_lf.sub('\\1\r\n', s) | |
57 |
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57 | |||
58 | def dumbencode(s, cmd): |
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58 | def dumbencode(s, cmd): | |
59 | return s.replace('\r\n', '\n') |
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59 | return s.replace('\r\n', '\n') | |
60 |
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60 | |||
61 | def macdumbdecode(s, cmd, **kwargs): |
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61 | def macdumbdecode(s, cmd, **kwargs): | |
62 | checknewline(s, '\r', **kwargs) |
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62 | checknewline(s, '\r', **kwargs) | |
63 | return s.replace('\n', '\r') |
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63 | return s.replace('\n', '\r') | |
64 |
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64 | |||
65 | def macdumbencode(s, cmd): |
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65 | def macdumbencode(s, cmd): | |
66 | return s.replace('\r', '\n') |
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66 | return s.replace('\r', '\n') | |
67 |
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67 | |||
68 | def cleverdecode(s, cmd, **kwargs): |
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68 | def cleverdecode(s, cmd, **kwargs): | |
69 | if util.binary(s): |
|
69 | if util.binary(s): | |
70 | return s |
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70 | return s | |
71 | return dumbdecode(s, cmd, **kwargs) |
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71 | return dumbdecode(s, cmd, **kwargs) | |
72 |
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72 | |||
73 | def cleverencode(s, cmd): |
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73 | def cleverencode(s, cmd): | |
74 | if util.binary(s): |
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74 | if util.binary(s): | |
75 | return s |
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75 | return s | |
76 | return dumbencode(s, cmd) |
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76 | return dumbencode(s, cmd) | |
77 |
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77 | |||
78 | def macdecode(s, cmd, **kwargs): |
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78 | def macdecode(s, cmd, **kwargs): | |
79 | if util.binary(s): |
|
79 | if util.binary(s): | |
80 | return s |
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80 | return s | |
81 | return macdumbdecode(s, cmd, **kwargs) |
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81 | return macdumbdecode(s, cmd, **kwargs) | |
82 |
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82 | |||
83 | def macencode(s, cmd): |
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83 | def macencode(s, cmd): | |
84 | if util.binary(s): |
|
84 | if util.binary(s): | |
85 | return s |
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85 | return s | |
86 | return macdumbencode(s, cmd) |
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86 | return macdumbencode(s, cmd) | |
87 |
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87 | |||
88 | _filters = { |
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88 | _filters = { | |
89 | 'dumbdecode:': dumbdecode, |
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89 | 'dumbdecode:': dumbdecode, | |
90 | 'dumbencode:': dumbencode, |
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90 | 'dumbencode:': dumbencode, | |
91 | 'cleverdecode:': cleverdecode, |
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91 | 'cleverdecode:': cleverdecode, | |
92 | 'cleverencode:': cleverencode, |
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92 | 'cleverencode:': cleverencode, | |
93 | 'macdumbdecode:': macdumbdecode, |
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93 | 'macdumbdecode:': macdumbdecode, | |
94 | 'macdumbencode:': macdumbencode, |
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94 | 'macdumbencode:': macdumbencode, | |
95 | 'macdecode:': macdecode, |
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95 | 'macdecode:': macdecode, | |
96 | 'macencode:': macencode, |
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96 | 'macencode:': macencode, | |
97 | } |
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97 | } | |
98 |
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98 | |||
99 |
def forbid |
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99 | def forbidnewline(ui, repo, hooktype, node, newline, **kwargs): | |
100 | halt = False |
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100 | halt = False | |
101 | for rev in xrange(repo.changelog.rev(bin(node)), repo.changelog.count()): |
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101 | for rev in xrange(repo.changelog.rev(bin(node)), repo.changelog.count()): | |
102 | c = repo.changectx(rev) |
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102 | c = repo.changectx(rev) | |
103 | for f in c.files(): |
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103 | for f in c.files(): | |
104 | if f not in c: |
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104 | if f not in c: | |
105 | continue |
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105 | continue | |
106 | data = c[f].data() |
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106 | data = c[f].data() | |
107 | if not util.binary(data) and newline in data: |
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107 | if not util.binary(data) and newline in data: | |
108 | if not halt: |
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108 | if not halt: | |
109 | ui.warn(_('Attempt to commit or push text file(s) ' |
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109 | ui.warn(_('Attempt to commit or push text file(s) ' | |
110 | 'using %s line endings\n') % |
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110 | 'using %s line endings\n') % | |
111 | newlinestr[newline]) |
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111 | newlinestr[newline]) | |
112 | ui.warn(_('in %s: %s\n') % (short(c.node()), f)) |
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112 | ui.warn(_('in %s: %s\n') % (short(c.node()), f)) | |
113 | halt = True |
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113 | halt = True | |
114 | if halt and hooktype == 'pretxnchangegroup': |
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114 | if halt and hooktype == 'pretxnchangegroup': | |
115 | crlf = newlinestr[newline].lower() |
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115 | crlf = newlinestr[newline].lower() | |
116 | filter = filterstr[newline] |
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116 | filter = filterstr[newline] | |
117 | ui.warn(_('\nTo prevent this mistake in your local repository,\n' |
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117 | ui.warn(_('\nTo prevent this mistake in your local repository,\n' | |
118 | 'add to Mercurial.ini or .hg/hgrc:\n' |
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118 | 'add to Mercurial.ini or .hg/hgrc:\n' | |
119 | '\n' |
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119 | '\n' | |
120 | '[hooks]\n' |
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120 | '[hooks]\n' | |
121 | 'pretxncommit.%s = python:hgext.win32text.forbid%s\n' |
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121 | 'pretxncommit.%s = python:hgext.win32text.forbid%s\n' | |
122 | '\n' |
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122 | '\n' | |
123 | 'and also consider adding:\n' |
|
123 | 'and also consider adding:\n' | |
124 | '\n' |
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124 | '\n' | |
125 | '[extensions]\n' |
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125 | '[extensions]\n' | |
126 | 'hgext.win32text =\n' |
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126 | 'hgext.win32text =\n' | |
127 | '[encode]\n' |
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127 | '[encode]\n' | |
128 | '** = %sencode:\n' |
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128 | '** = %sencode:\n' | |
129 | '[decode]\n' |
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129 | '[decode]\n' | |
130 | '** = %sdecode:\n') % (crlf, crlf, filter, filter)) |
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130 | '** = %sdecode:\n') % (crlf, crlf, filter, filter)) | |
131 | return halt |
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131 | return halt | |
132 |
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132 | |||
133 | def forbidcrlf(ui, repo, hooktype, node, **kwargs): |
|
133 | def forbidcrlf(ui, repo, hooktype, node, **kwargs): | |
134 |
return forbid |
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134 | return forbidnewline(ui, repo, hooktype, node, '\r\n', **kwargs) | |
135 |
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135 | |||
136 | def forbidcr(ui, repo, hooktype, node, **kwargs): |
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136 | def forbidcr(ui, repo, hooktype, node, **kwargs): | |
137 |
return forbid |
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137 | return forbidnewline(ui, repo, hooktype, node, '\r', **kwargs) | |
138 |
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138 | |||
139 | def reposetup(ui, repo): |
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139 | def reposetup(ui, repo): | |
140 | if not repo.local(): |
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140 | if not repo.local(): | |
141 | return |
|
141 | return | |
142 | for name, fn in _filters.iteritems(): |
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142 | for name, fn in _filters.iteritems(): | |
143 | repo.adddatafilter(name, fn) |
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143 | repo.adddatafilter(name, fn) | |
144 |
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144 |
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