30745
|
1 |
# coding=UTF-8 |
|
2 |
|
|
3 |
from __future__ import absolute_import |
|
4 |
|
|
5 |
import base64 |
|
6 |
import zlib |
|
7 |
|
|
8 |
from mercurial import ( |
|
9 |
changegroup, |
|
10 |
extensions, |
|
11 |
filelog, |
|
12 |
revlog, |
|
13 |
util, |
|
14 |
) |
|
15 |
|
|
16 |
# Test only: These flags are defined here only in the context of testing the |
|
17 |
# behavior of the flag processor. The canonical way to add flags is to get in |
|
18 |
# touch with the community and make them known in revlog. |
|
19 |
REVIDX_NOOP = (1 << 3) |
|
20 |
REVIDX_BASE64 = (1 << 2) |
|
21 |
REVIDX_GZIP = (1 << 1) |
|
22 |
REVIDX_FAIL = 1 |
|
23 |
|
|
24 |
def validatehash(self, text): |
|
25 |
return True |
|
26 |
|
|
27 |
def bypass(self, text): |
|
28 |
return False |
|
29 |
|
|
30 |
def noopdonothing(self, text): |
|
31 |
return (text, True) |
|
32 |
|
|
33 |
def b64encode(self, text): |
|
34 |
return (base64.b64encode(text), False) |
|
35 |
|
|
36 |
def b64decode(self, text): |
|
37 |
return (base64.b64decode(text), True) |
|
38 |
|
|
39 |
def gzipcompress(self, text): |
|
40 |
return (zlib.compress(text), False) |
|
41 |
|
|
42 |
def gzipdecompress(self, text): |
|
43 |
return (zlib.decompress(text), True) |
|
44 |
|
|
45 |
def supportedoutgoingversions(orig, repo): |
|
46 |
versions = orig(repo) |
|
47 |
versions.discard('01') |
|
48 |
versions.discard('02') |
|
49 |
versions.add('03') |
|
50 |
return versions |
|
51 |
|
|
52 |
def allsupportedversions(orig, ui): |
|
53 |
versions = orig(ui) |
|
54 |
versions.add('03') |
|
55 |
return versions |
|
56 |
|
|
57 |
def noopaddrevision(orig, self, text, transaction, link, p1, p2, |
|
58 |
cachedelta=None, node=None, |
|
59 |
flags=revlog.REVIDX_DEFAULT_FLAGS): |
|
60 |
if '[NOOP]' in text: |
|
61 |
flags |= REVIDX_NOOP |
|
62 |
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta, |
|
63 |
node=node, flags=flags) |
|
64 |
|
|
65 |
def b64addrevision(orig, self, text, transaction, link, p1, p2, |
|
66 |
cachedelta=None, node=None, |
|
67 |
flags=revlog.REVIDX_DEFAULT_FLAGS): |
|
68 |
if '[BASE64]' in text: |
|
69 |
flags |= REVIDX_BASE64 |
|
70 |
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta, |
|
71 |
node=node, flags=flags) |
|
72 |
|
|
73 |
def gzipaddrevision(orig, self, text, transaction, link, p1, p2, |
|
74 |
cachedelta=None, node=None, |
|
75 |
flags=revlog.REVIDX_DEFAULT_FLAGS): |
|
76 |
if '[GZIP]' in text: |
|
77 |
flags |= REVIDX_GZIP |
|
78 |
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta, |
|
79 |
node=node, flags=flags) |
|
80 |
|
|
81 |
def failaddrevision(orig, self, text, transaction, link, p1, p2, |
|
82 |
cachedelta=None, node=None, |
|
83 |
flags=revlog.REVIDX_DEFAULT_FLAGS): |
|
84 |
# This addrevision wrapper is meant to add a flag we will not have |
|
85 |
# transforms registered for, ensuring we handle this error case. |
|
86 |
if '[FAIL]' in text: |
|
87 |
flags |= REVIDX_FAIL |
|
88 |
return orig(self, text, transaction, link, p1, p2, cachedelta=cachedelta, |
|
89 |
node=node, flags=flags) |
|
90 |
|
|
91 |
def extsetup(ui): |
|
92 |
# Enable changegroup3 for flags to be sent over the wire |
|
93 |
wrapfunction = extensions.wrapfunction |
|
94 |
wrapfunction(changegroup, |
|
95 |
'supportedoutgoingversions', |
|
96 |
supportedoutgoingversions) |
|
97 |
wrapfunction(changegroup, |
|
98 |
'allsupportedversions', |
|
99 |
allsupportedversions) |
|
100 |
|
|
101 |
# Teach revlog about our test flags |
|
102 |
flags = [REVIDX_NOOP, REVIDX_BASE64, REVIDX_GZIP, REVIDX_FAIL] |
|
103 |
revlog.REVIDX_KNOWN_FLAGS |= util.bitsfrom(flags) |
|
104 |
revlog.REVIDX_FLAGS_ORDER.extend(flags) |
|
105 |
|
|
106 |
# Add wrappers for addrevision, responsible to set flags depending on the |
|
107 |
# revision data contents. |
|
108 |
wrapfunction(filelog.filelog, 'addrevision', noopaddrevision) |
|
109 |
wrapfunction(filelog.filelog, 'addrevision', b64addrevision) |
|
110 |
wrapfunction(filelog.filelog, 'addrevision', gzipaddrevision) |
|
111 |
wrapfunction(filelog.filelog, 'addrevision', failaddrevision) |
|
112 |
|
|
113 |
# Register flag processors for each extension |
|
114 |
revlog.addflagprocessor( |
|
115 |
REVIDX_NOOP, |
|
116 |
( |
|
117 |
noopdonothing, |
|
118 |
noopdonothing, |
|
119 |
validatehash, |
|
120 |
) |
|
121 |
) |
|
122 |
revlog.addflagprocessor( |
|
123 |
REVIDX_BASE64, |
|
124 |
( |
|
125 |
b64decode, |
|
126 |
b64encode, |
|
127 |
bypass, |
|
128 |
), |
|
129 |
) |
|
130 |
revlog.addflagprocessor( |
|
131 |
REVIDX_GZIP, |
|
132 |
( |
|
133 |
gzipdecompress, |
|
134 |
gzipcompress, |
|
135 |
bypass |
|
136 |
) |
|
137 |
) |