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@@ -1,750 +1,749 b'' | |||||
1 | # store.py - repository store handling for Mercurial |
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1 | # store.py - repository store handling for Mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2008 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2008 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import errno |
|
10 | import errno | |
11 | import functools |
|
11 | import functools | |
12 | import os |
|
12 | import os | |
13 | import stat |
|
13 | import stat | |
14 |
|
14 | |||
15 | from .i18n import _ |
|
15 | from .i18n import _ | |
16 | from .pycompat import getattr |
|
16 | from .pycompat import getattr | |
17 | from .node import hex |
|
17 | from .node import hex | |
18 | from . import ( |
|
18 | from . import ( | |
19 | changelog, |
|
19 | changelog, | |
20 | error, |
|
20 | error, | |
21 | manifest, |
|
21 | manifest, | |
22 | policy, |
|
22 | policy, | |
23 | pycompat, |
|
23 | pycompat, | |
24 | util, |
|
24 | util, | |
25 | vfs as vfsmod, |
|
25 | vfs as vfsmod, | |
26 | ) |
|
26 | ) | |
27 | from .utils import hashutil |
|
27 | from .utils import hashutil | |
28 |
|
28 | |||
29 | parsers = policy.importmod('parsers') |
|
29 | parsers = policy.importmod('parsers') | |
30 | # how much bytes should be read from fncache in one read |
|
30 | # how much bytes should be read from fncache in one read | |
31 | # It is done to prevent loading large fncache files into memory |
|
31 | # It is done to prevent loading large fncache files into memory | |
32 | fncache_chunksize = 10 ** 6 |
|
32 | fncache_chunksize = 10 ** 6 | |
33 |
|
33 | |||
34 |
|
34 | |||
35 | def _matchtrackedpath(path, matcher): |
|
35 | def _matchtrackedpath(path, matcher): | |
36 | """parses a fncache entry and returns whether the entry is tracking a path |
|
36 | """parses a fncache entry and returns whether the entry is tracking a path | |
37 | matched by matcher or not. |
|
37 | matched by matcher or not. | |
38 |
|
38 | |||
39 | If matcher is None, returns True""" |
|
39 | If matcher is None, returns True""" | |
40 |
|
40 | |||
41 | if matcher is None: |
|
41 | if matcher is None: | |
42 | return True |
|
42 | return True | |
43 | path = decodedir(path) |
|
43 | path = decodedir(path) | |
44 | if path.startswith(b'data/'): |
|
44 | if path.startswith(b'data/'): | |
45 | return matcher(path[len(b'data/') : -len(b'.i')]) |
|
45 | return matcher(path[len(b'data/') : -len(b'.i')]) | |
46 | elif path.startswith(b'meta/'): |
|
46 | elif path.startswith(b'meta/'): | |
47 | return matcher.visitdir(path[len(b'meta/') : -len(b'/00manifest.i')]) |
|
47 | return matcher.visitdir(path[len(b'meta/') : -len(b'/00manifest.i')]) | |
48 |
|
48 | |||
49 | raise error.ProgrammingError(b"cannot decode path %s" % path) |
|
49 | raise error.ProgrammingError(b"cannot decode path %s" % path) | |
50 |
|
50 | |||
51 |
|
51 | |||
52 | # This avoids a collision between a file named foo and a dir named |
|
52 | # This avoids a collision between a file named foo and a dir named | |
53 | # foo.i or foo.d |
|
53 | # foo.i or foo.d | |
54 | def _encodedir(path): |
|
54 | def _encodedir(path): | |
55 | """ |
|
55 | """ | |
56 | >>> _encodedir(b'data/foo.i') |
|
56 | >>> _encodedir(b'data/foo.i') | |
57 | 'data/foo.i' |
|
57 | 'data/foo.i' | |
58 | >>> _encodedir(b'data/foo.i/bla.i') |
|
58 | >>> _encodedir(b'data/foo.i/bla.i') | |
59 | 'data/foo.i.hg/bla.i' |
|
59 | 'data/foo.i.hg/bla.i' | |
60 | >>> _encodedir(b'data/foo.i.hg/bla.i') |
|
60 | >>> _encodedir(b'data/foo.i.hg/bla.i') | |
61 | 'data/foo.i.hg.hg/bla.i' |
|
61 | 'data/foo.i.hg.hg/bla.i' | |
62 | >>> _encodedir(b'data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') |
|
62 | >>> _encodedir(b'data/foo.i\\ndata/foo.i/bla.i\\ndata/foo.i.hg/bla.i\\n') | |
63 | 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' |
|
63 | 'data/foo.i\\ndata/foo.i.hg/bla.i\\ndata/foo.i.hg.hg/bla.i\\n' | |
64 | """ |
|
64 | """ | |
65 | return ( |
|
65 | return ( | |
66 | path.replace(b".hg/", b".hg.hg/") |
|
66 | path.replace(b".hg/", b".hg.hg/") | |
67 | .replace(b".i/", b".i.hg/") |
|
67 | .replace(b".i/", b".i.hg/") | |
68 | .replace(b".d/", b".d.hg/") |
|
68 | .replace(b".d/", b".d.hg/") | |
69 | ) |
|
69 | ) | |
70 |
|
70 | |||
71 |
|
71 | |||
72 | encodedir = getattr(parsers, 'encodedir', _encodedir) |
|
72 | encodedir = getattr(parsers, 'encodedir', _encodedir) | |
73 |
|
73 | |||
74 |
|
74 | |||
75 | def decodedir(path): |
|
75 | def decodedir(path): | |
76 | """ |
|
76 | """ | |
77 | >>> decodedir(b'data/foo.i') |
|
77 | >>> decodedir(b'data/foo.i') | |
78 | 'data/foo.i' |
|
78 | 'data/foo.i' | |
79 | >>> decodedir(b'data/foo.i.hg/bla.i') |
|
79 | >>> decodedir(b'data/foo.i.hg/bla.i') | |
80 | 'data/foo.i/bla.i' |
|
80 | 'data/foo.i/bla.i' | |
81 | >>> decodedir(b'data/foo.i.hg.hg/bla.i') |
|
81 | >>> decodedir(b'data/foo.i.hg.hg/bla.i') | |
82 | 'data/foo.i.hg/bla.i' |
|
82 | 'data/foo.i.hg/bla.i' | |
83 | """ |
|
83 | """ | |
84 | if b".hg/" not in path: |
|
84 | if b".hg/" not in path: | |
85 | return path |
|
85 | return path | |
86 | return ( |
|
86 | return ( | |
87 | path.replace(b".d.hg/", b".d/") |
|
87 | path.replace(b".d.hg/", b".d/") | |
88 | .replace(b".i.hg/", b".i/") |
|
88 | .replace(b".i.hg/", b".i/") | |
89 | .replace(b".hg.hg/", b".hg/") |
|
89 | .replace(b".hg.hg/", b".hg/") | |
90 | ) |
|
90 | ) | |
91 |
|
91 | |||
92 |
|
92 | |||
93 | def _reserved(): |
|
93 | def _reserved(): | |
94 | """characters that are problematic for filesystems |
|
94 | """characters that are problematic for filesystems | |
95 |
|
95 | |||
96 | * ascii escapes (0..31) |
|
96 | * ascii escapes (0..31) | |
97 | * ascii hi (126..255) |
|
97 | * ascii hi (126..255) | |
98 | * windows specials |
|
98 | * windows specials | |
99 |
|
99 | |||
100 | these characters will be escaped by encodefunctions |
|
100 | these characters will be escaped by encodefunctions | |
101 | """ |
|
101 | """ | |
102 | winreserved = [ord(x) for x in u'\\:*?"<>|'] |
|
102 | winreserved = [ord(x) for x in u'\\:*?"<>|'] | |
103 | for x in range(32): |
|
103 | for x in range(32): | |
104 | yield x |
|
104 | yield x | |
105 | for x in range(126, 256): |
|
105 | for x in range(126, 256): | |
106 | yield x |
|
106 | yield x | |
107 | for x in winreserved: |
|
107 | for x in winreserved: | |
108 | yield x |
|
108 | yield x | |
109 |
|
109 | |||
110 |
|
110 | |||
111 | def _buildencodefun(): |
|
111 | def _buildencodefun(): | |
112 | """ |
|
112 | """ | |
113 | >>> enc, dec = _buildencodefun() |
|
113 | >>> enc, dec = _buildencodefun() | |
114 |
|
114 | |||
115 | >>> enc(b'nothing/special.txt') |
|
115 | >>> enc(b'nothing/special.txt') | |
116 | 'nothing/special.txt' |
|
116 | 'nothing/special.txt' | |
117 | >>> dec(b'nothing/special.txt') |
|
117 | >>> dec(b'nothing/special.txt') | |
118 | 'nothing/special.txt' |
|
118 | 'nothing/special.txt' | |
119 |
|
119 | |||
120 | >>> enc(b'HELLO') |
|
120 | >>> enc(b'HELLO') | |
121 | '_h_e_l_l_o' |
|
121 | '_h_e_l_l_o' | |
122 | >>> dec(b'_h_e_l_l_o') |
|
122 | >>> dec(b'_h_e_l_l_o') | |
123 | 'HELLO' |
|
123 | 'HELLO' | |
124 |
|
124 | |||
125 | >>> enc(b'hello:world?') |
|
125 | >>> enc(b'hello:world?') | |
126 | 'hello~3aworld~3f' |
|
126 | 'hello~3aworld~3f' | |
127 | >>> dec(b'hello~3aworld~3f') |
|
127 | >>> dec(b'hello~3aworld~3f') | |
128 | 'hello:world?' |
|
128 | 'hello:world?' | |
129 |
|
129 | |||
130 | >>> enc(b'the\\x07quick\\xADshot') |
|
130 | >>> enc(b'the\\x07quick\\xADshot') | |
131 | 'the~07quick~adshot' |
|
131 | 'the~07quick~adshot' | |
132 | >>> dec(b'the~07quick~adshot') |
|
132 | >>> dec(b'the~07quick~adshot') | |
133 | 'the\\x07quick\\xadshot' |
|
133 | 'the\\x07quick\\xadshot' | |
134 | """ |
|
134 | """ | |
135 | e = b'_' |
|
135 | e = b'_' | |
136 | xchr = pycompat.bytechr |
|
136 | xchr = pycompat.bytechr | |
137 | asciistr = list(map(xchr, range(127))) |
|
137 | asciistr = list(map(xchr, range(127))) | |
138 | capitals = list(range(ord(b"A"), ord(b"Z") + 1)) |
|
138 | capitals = list(range(ord(b"A"), ord(b"Z") + 1)) | |
139 |
|
139 | |||
140 | cmap = {x: x for x in asciistr} |
|
140 | cmap = {x: x for x in asciistr} | |
141 | for x in _reserved(): |
|
141 | for x in _reserved(): | |
142 | cmap[xchr(x)] = b"~%02x" % x |
|
142 | cmap[xchr(x)] = b"~%02x" % x | |
143 | for x in capitals + [ord(e)]: |
|
143 | for x in capitals + [ord(e)]: | |
144 | cmap[xchr(x)] = e + xchr(x).lower() |
|
144 | cmap[xchr(x)] = e + xchr(x).lower() | |
145 |
|
145 | |||
146 | dmap = {} |
|
146 | dmap = {} | |
147 | for k, v in pycompat.iteritems(cmap): |
|
147 | for k, v in pycompat.iteritems(cmap): | |
148 | dmap[v] = k |
|
148 | dmap[v] = k | |
149 |
|
149 | |||
150 | def decode(s): |
|
150 | def decode(s): | |
151 | i = 0 |
|
151 | i = 0 | |
152 | while i < len(s): |
|
152 | while i < len(s): | |
153 | for l in pycompat.xrange(1, 4): |
|
153 | for l in pycompat.xrange(1, 4): | |
154 | try: |
|
154 | try: | |
155 | yield dmap[s[i : i + l]] |
|
155 | yield dmap[s[i : i + l]] | |
156 | i += l |
|
156 | i += l | |
157 | break |
|
157 | break | |
158 | except KeyError: |
|
158 | except KeyError: | |
159 | pass |
|
159 | pass | |
160 | else: |
|
160 | else: | |
161 | raise KeyError |
|
161 | raise KeyError | |
162 |
|
162 | |||
163 | return ( |
|
163 | return ( | |
164 | lambda s: b''.join( |
|
164 | lambda s: b''.join( | |
165 | [cmap[s[c : c + 1]] for c in pycompat.xrange(len(s))] |
|
165 | [cmap[s[c : c + 1]] for c in pycompat.xrange(len(s))] | |
166 | ), |
|
166 | ), | |
167 | lambda s: b''.join(list(decode(s))), |
|
167 | lambda s: b''.join(list(decode(s))), | |
168 | ) |
|
168 | ) | |
169 |
|
169 | |||
170 |
|
170 | |||
171 | _encodefname, _decodefname = _buildencodefun() |
|
171 | _encodefname, _decodefname = _buildencodefun() | |
172 |
|
172 | |||
173 |
|
173 | |||
174 | def encodefilename(s): |
|
174 | def encodefilename(s): | |
175 | """ |
|
175 | """ | |
176 | >>> encodefilename(b'foo.i/bar.d/bla.hg/hi:world?/HELLO') |
|
176 | >>> encodefilename(b'foo.i/bar.d/bla.hg/hi:world?/HELLO') | |
177 | 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' |
|
177 | 'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o' | |
178 | """ |
|
178 | """ | |
179 | return _encodefname(encodedir(s)) |
|
179 | return _encodefname(encodedir(s)) | |
180 |
|
180 | |||
181 |
|
181 | |||
182 | def decodefilename(s): |
|
182 | def decodefilename(s): | |
183 | """ |
|
183 | """ | |
184 | >>> decodefilename(b'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') |
|
184 | >>> decodefilename(b'foo.i.hg/bar.d.hg/bla.hg.hg/hi~3aworld~3f/_h_e_l_l_o') | |
185 | 'foo.i/bar.d/bla.hg/hi:world?/HELLO' |
|
185 | 'foo.i/bar.d/bla.hg/hi:world?/HELLO' | |
186 | """ |
|
186 | """ | |
187 | return decodedir(_decodefname(s)) |
|
187 | return decodedir(_decodefname(s)) | |
188 |
|
188 | |||
189 |
|
189 | |||
190 | def _buildlowerencodefun(): |
|
190 | def _buildlowerencodefun(): | |
191 | """ |
|
191 | """ | |
192 | >>> f = _buildlowerencodefun() |
|
192 | >>> f = _buildlowerencodefun() | |
193 | >>> f(b'nothing/special.txt') |
|
193 | >>> f(b'nothing/special.txt') | |
194 | 'nothing/special.txt' |
|
194 | 'nothing/special.txt' | |
195 | >>> f(b'HELLO') |
|
195 | >>> f(b'HELLO') | |
196 | 'hello' |
|
196 | 'hello' | |
197 | >>> f(b'hello:world?') |
|
197 | >>> f(b'hello:world?') | |
198 | 'hello~3aworld~3f' |
|
198 | 'hello~3aworld~3f' | |
199 | >>> f(b'the\\x07quick\\xADshot') |
|
199 | >>> f(b'the\\x07quick\\xADshot') | |
200 | 'the~07quick~adshot' |
|
200 | 'the~07quick~adshot' | |
201 | """ |
|
201 | """ | |
202 | xchr = pycompat.bytechr |
|
202 | xchr = pycompat.bytechr | |
203 | cmap = {xchr(x): xchr(x) for x in pycompat.xrange(127)} |
|
203 | cmap = {xchr(x): xchr(x) for x in pycompat.xrange(127)} | |
204 | for x in _reserved(): |
|
204 | for x in _reserved(): | |
205 | cmap[xchr(x)] = b"~%02x" % x |
|
205 | cmap[xchr(x)] = b"~%02x" % x | |
206 | for x in range(ord(b"A"), ord(b"Z") + 1): |
|
206 | for x in range(ord(b"A"), ord(b"Z") + 1): | |
207 | cmap[xchr(x)] = xchr(x).lower() |
|
207 | cmap[xchr(x)] = xchr(x).lower() | |
208 |
|
208 | |||
209 | def lowerencode(s): |
|
209 | def lowerencode(s): | |
210 | return b"".join([cmap[c] for c in pycompat.iterbytestr(s)]) |
|
210 | return b"".join([cmap[c] for c in pycompat.iterbytestr(s)]) | |
211 |
|
211 | |||
212 | return lowerencode |
|
212 | return lowerencode | |
213 |
|
213 | |||
214 |
|
214 | |||
215 | lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() |
|
215 | lowerencode = getattr(parsers, 'lowerencode', None) or _buildlowerencodefun() | |
216 |
|
216 | |||
217 | # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 |
|
217 | # Windows reserved names: con, prn, aux, nul, com1..com9, lpt1..lpt9 | |
218 | _winres3 = (b'aux', b'con', b'prn', b'nul') # length 3 |
|
218 | _winres3 = (b'aux', b'con', b'prn', b'nul') # length 3 | |
219 | _winres4 = (b'com', b'lpt') # length 4 (with trailing 1..9) |
|
219 | _winres4 = (b'com', b'lpt') # length 4 (with trailing 1..9) | |
220 |
|
220 | |||
221 |
|
221 | |||
222 | def _auxencode(path, dotencode): |
|
222 | def _auxencode(path, dotencode): | |
223 | """ |
|
223 | """ | |
224 | Encodes filenames containing names reserved by Windows or which end in |
|
224 | Encodes filenames containing names reserved by Windows or which end in | |
225 | period or space. Does not touch other single reserved characters c. |
|
225 | period or space. Does not touch other single reserved characters c. | |
226 | Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
|
226 | Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. | |
227 | Additionally encodes space or period at the beginning, if dotencode is |
|
227 | Additionally encodes space or period at the beginning, if dotencode is | |
228 | True. Parameter path is assumed to be all lowercase. |
|
228 | True. Parameter path is assumed to be all lowercase. | |
229 | A segment only needs encoding if a reserved name appears as a |
|
229 | A segment only needs encoding if a reserved name appears as a | |
230 | basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" |
|
230 | basename (e.g. "aux", "aux.foo"). A directory or file named "foo.aux" | |
231 | doesn't need encoding. |
|
231 | doesn't need encoding. | |
232 |
|
232 | |||
233 | >>> s = b'.foo/aux.txt/txt.aux/con/prn/nul/foo.' |
|
233 | >>> s = b'.foo/aux.txt/txt.aux/con/prn/nul/foo.' | |
234 | >>> _auxencode(s.split(b'/'), True) |
|
234 | >>> _auxencode(s.split(b'/'), True) | |
235 | ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] |
|
235 | ['~2efoo', 'au~78.txt', 'txt.aux', 'co~6e', 'pr~6e', 'nu~6c', 'foo~2e'] | |
236 | >>> s = b'.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' |
|
236 | >>> s = b'.com1com2/lpt9.lpt4.lpt1/conprn/com0/lpt0/foo.' | |
237 | >>> _auxencode(s.split(b'/'), False) |
|
237 | >>> _auxencode(s.split(b'/'), False) | |
238 | ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] |
|
238 | ['.com1com2', 'lp~749.lpt4.lpt1', 'conprn', 'com0', 'lpt0', 'foo~2e'] | |
239 | >>> _auxencode([b'foo. '], True) |
|
239 | >>> _auxencode([b'foo. '], True) | |
240 | ['foo.~20'] |
|
240 | ['foo.~20'] | |
241 | >>> _auxencode([b' .foo'], True) |
|
241 | >>> _auxencode([b' .foo'], True) | |
242 | ['~20.foo'] |
|
242 | ['~20.foo'] | |
243 | """ |
|
243 | """ | |
244 | for i, n in enumerate(path): |
|
244 | for i, n in enumerate(path): | |
245 | if not n: |
|
245 | if not n: | |
246 | continue |
|
246 | continue | |
247 | if dotencode and n[0] in b'. ': |
|
247 | if dotencode and n[0] in b'. ': | |
248 | n = b"~%02x" % ord(n[0:1]) + n[1:] |
|
248 | n = b"~%02x" % ord(n[0:1]) + n[1:] | |
249 | path[i] = n |
|
249 | path[i] = n | |
250 | else: |
|
250 | else: | |
251 | l = n.find(b'.') |
|
251 | l = n.find(b'.') | |
252 | if l == -1: |
|
252 | if l == -1: | |
253 | l = len(n) |
|
253 | l = len(n) | |
254 | if (l == 3 and n[:3] in _winres3) or ( |
|
254 | if (l == 3 and n[:3] in _winres3) or ( | |
255 | l == 4 |
|
255 | l == 4 | |
256 | and n[3:4] <= b'9' |
|
256 | and n[3:4] <= b'9' | |
257 | and n[3:4] >= b'1' |
|
257 | and n[3:4] >= b'1' | |
258 | and n[:3] in _winres4 |
|
258 | and n[:3] in _winres4 | |
259 | ): |
|
259 | ): | |
260 | # encode third letter ('aux' -> 'au~78') |
|
260 | # encode third letter ('aux' -> 'au~78') | |
261 | ec = b"~%02x" % ord(n[2:3]) |
|
261 | ec = b"~%02x" % ord(n[2:3]) | |
262 | n = n[0:2] + ec + n[3:] |
|
262 | n = n[0:2] + ec + n[3:] | |
263 | path[i] = n |
|
263 | path[i] = n | |
264 | if n[-1] in b'. ': |
|
264 | if n[-1] in b'. ': | |
265 | # encode last period or space ('foo...' -> 'foo..~2e') |
|
265 | # encode last period or space ('foo...' -> 'foo..~2e') | |
266 | path[i] = n[:-1] + b"~%02x" % ord(n[-1:]) |
|
266 | path[i] = n[:-1] + b"~%02x" % ord(n[-1:]) | |
267 | return path |
|
267 | return path | |
268 |
|
268 | |||
269 |
|
269 | |||
270 | _maxstorepathlen = 120 |
|
270 | _maxstorepathlen = 120 | |
271 | _dirprefixlen = 8 |
|
271 | _dirprefixlen = 8 | |
272 | _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
|
272 | _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 | |
273 |
|
273 | |||
274 |
|
274 | |||
275 | def _hashencode(path, dotencode): |
|
275 | def _hashencode(path, dotencode): | |
276 | digest = hex(hashutil.sha1(path).digest()) |
|
276 | digest = hex(hashutil.sha1(path).digest()) | |
277 | le = lowerencode(path[5:]).split(b'/') # skips prefix 'data/' or 'meta/' |
|
277 | le = lowerencode(path[5:]).split(b'/') # skips prefix 'data/' or 'meta/' | |
278 | parts = _auxencode(le, dotencode) |
|
278 | parts = _auxencode(le, dotencode) | |
279 | basename = parts[-1] |
|
279 | basename = parts[-1] | |
280 | _root, ext = os.path.splitext(basename) |
|
280 | _root, ext = os.path.splitext(basename) | |
281 | sdirs = [] |
|
281 | sdirs = [] | |
282 | sdirslen = 0 |
|
282 | sdirslen = 0 | |
283 | for p in parts[:-1]: |
|
283 | for p in parts[:-1]: | |
284 | d = p[:_dirprefixlen] |
|
284 | d = p[:_dirprefixlen] | |
285 | if d[-1] in b'. ': |
|
285 | if d[-1] in b'. ': | |
286 | # Windows can't access dirs ending in period or space |
|
286 | # Windows can't access dirs ending in period or space | |
287 | d = d[:-1] + b'_' |
|
287 | d = d[:-1] + b'_' | |
288 | if sdirslen == 0: |
|
288 | if sdirslen == 0: | |
289 | t = len(d) |
|
289 | t = len(d) | |
290 | else: |
|
290 | else: | |
291 | t = sdirslen + 1 + len(d) |
|
291 | t = sdirslen + 1 + len(d) | |
292 | if t > _maxshortdirslen: |
|
292 | if t > _maxshortdirslen: | |
293 | break |
|
293 | break | |
294 | sdirs.append(d) |
|
294 | sdirs.append(d) | |
295 | sdirslen = t |
|
295 | sdirslen = t | |
296 | dirs = b'/'.join(sdirs) |
|
296 | dirs = b'/'.join(sdirs) | |
297 | if len(dirs) > 0: |
|
297 | if len(dirs) > 0: | |
298 | dirs += b'/' |
|
298 | dirs += b'/' | |
299 | res = b'dh/' + dirs + digest + ext |
|
299 | res = b'dh/' + dirs + digest + ext | |
300 | spaceleft = _maxstorepathlen - len(res) |
|
300 | spaceleft = _maxstorepathlen - len(res) | |
301 | if spaceleft > 0: |
|
301 | if spaceleft > 0: | |
302 | filler = basename[:spaceleft] |
|
302 | filler = basename[:spaceleft] | |
303 | res = b'dh/' + dirs + filler + digest + ext |
|
303 | res = b'dh/' + dirs + filler + digest + ext | |
304 | return res |
|
304 | return res | |
305 |
|
305 | |||
306 |
|
306 | |||
307 | def _hybridencode(path, dotencode): |
|
307 | def _hybridencode(path, dotencode): | |
308 | """encodes path with a length limit |
|
308 | """encodes path with a length limit | |
309 |
|
309 | |||
310 | Encodes all paths that begin with 'data/', according to the following. |
|
310 | Encodes all paths that begin with 'data/', according to the following. | |
311 |
|
311 | |||
312 | Default encoding (reversible): |
|
312 | Default encoding (reversible): | |
313 |
|
313 | |||
314 | Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
|
314 | Encodes all uppercase letters 'X' as '_x'. All reserved or illegal | |
315 | characters are encoded as '~xx', where xx is the two digit hex code |
|
315 | characters are encoded as '~xx', where xx is the two digit hex code | |
316 | of the character (see encodefilename). |
|
316 | of the character (see encodefilename). | |
317 | Relevant path components consisting of Windows reserved filenames are |
|
317 | Relevant path components consisting of Windows reserved filenames are | |
318 | masked by encoding the third character ('aux' -> 'au~78', see _auxencode). |
|
318 | masked by encoding the third character ('aux' -> 'au~78', see _auxencode). | |
319 |
|
319 | |||
320 | Hashed encoding (not reversible): |
|
320 | Hashed encoding (not reversible): | |
321 |
|
321 | |||
322 | If the default-encoded path is longer than _maxstorepathlen, a |
|
322 | If the default-encoded path is longer than _maxstorepathlen, a | |
323 | non-reversible hybrid hashing of the path is done instead. |
|
323 | non-reversible hybrid hashing of the path is done instead. | |
324 | This encoding uses up to _dirprefixlen characters of all directory |
|
324 | This encoding uses up to _dirprefixlen characters of all directory | |
325 | levels of the lowerencoded path, but not more levels than can fit into |
|
325 | levels of the lowerencoded path, but not more levels than can fit into | |
326 | _maxshortdirslen. |
|
326 | _maxshortdirslen. | |
327 | Then follows the filler followed by the sha digest of the full path. |
|
327 | Then follows the filler followed by the sha digest of the full path. | |
328 | The filler is the beginning of the basename of the lowerencoded path |
|
328 | The filler is the beginning of the basename of the lowerencoded path | |
329 | (the basename is everything after the last path separator). The filler |
|
329 | (the basename is everything after the last path separator). The filler | |
330 | is as long as possible, filling in characters from the basename until |
|
330 | is as long as possible, filling in characters from the basename until | |
331 | the encoded path has _maxstorepathlen characters (or all chars of the |
|
331 | the encoded path has _maxstorepathlen characters (or all chars of the | |
332 | basename have been taken). |
|
332 | basename have been taken). | |
333 | The extension (e.g. '.i' or '.d') is preserved. |
|
333 | The extension (e.g. '.i' or '.d') is preserved. | |
334 |
|
334 | |||
335 | The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
|
335 | The string 'data/' at the beginning is replaced with 'dh/', if the hashed | |
336 | encoding was used. |
|
336 | encoding was used. | |
337 | """ |
|
337 | """ | |
338 | path = encodedir(path) |
|
338 | path = encodedir(path) | |
339 | ef = _encodefname(path).split(b'/') |
|
339 | ef = _encodefname(path).split(b'/') | |
340 | res = b'/'.join(_auxencode(ef, dotencode)) |
|
340 | res = b'/'.join(_auxencode(ef, dotencode)) | |
341 | if len(res) > _maxstorepathlen: |
|
341 | if len(res) > _maxstorepathlen: | |
342 | res = _hashencode(path, dotencode) |
|
342 | res = _hashencode(path, dotencode) | |
343 | return res |
|
343 | return res | |
344 |
|
344 | |||
345 |
|
345 | |||
346 | def _pathencode(path): |
|
346 | def _pathencode(path): | |
347 | de = encodedir(path) |
|
347 | de = encodedir(path) | |
348 | if len(path) > _maxstorepathlen: |
|
348 | if len(path) > _maxstorepathlen: | |
349 | return _hashencode(de, True) |
|
349 | return _hashencode(de, True) | |
350 | ef = _encodefname(de).split(b'/') |
|
350 | ef = _encodefname(de).split(b'/') | |
351 | res = b'/'.join(_auxencode(ef, True)) |
|
351 | res = b'/'.join(_auxencode(ef, True)) | |
352 | if len(res) > _maxstorepathlen: |
|
352 | if len(res) > _maxstorepathlen: | |
353 | return _hashencode(de, True) |
|
353 | return _hashencode(de, True) | |
354 | return res |
|
354 | return res | |
355 |
|
355 | |||
356 |
|
356 | |||
357 | _pathencode = getattr(parsers, 'pathencode', _pathencode) |
|
357 | _pathencode = getattr(parsers, 'pathencode', _pathencode) | |
358 |
|
358 | |||
359 |
|
359 | |||
360 | def _plainhybridencode(f): |
|
360 | def _plainhybridencode(f): | |
361 | return _hybridencode(f, False) |
|
361 | return _hybridencode(f, False) | |
362 |
|
362 | |||
363 |
|
363 | |||
364 | def _calcmode(vfs): |
|
364 | def _calcmode(vfs): | |
365 | try: |
|
365 | try: | |
366 | # files in .hg/ will be created using this mode |
|
366 | # files in .hg/ will be created using this mode | |
367 | mode = vfs.stat().st_mode |
|
367 | mode = vfs.stat().st_mode | |
368 | # avoid some useless chmods |
|
368 | # avoid some useless chmods | |
369 | if (0o777 & ~util.umask) == (0o777 & mode): |
|
369 | if (0o777 & ~util.umask) == (0o777 & mode): | |
370 | mode = None |
|
370 | mode = None | |
371 | except OSError: |
|
371 | except OSError: | |
372 | mode = None |
|
372 | mode = None | |
373 | return mode |
|
373 | return mode | |
374 |
|
374 | |||
375 |
|
375 | |||
376 | _data = [ |
|
376 | _data = [ | |
377 | b'bookmarks', |
|
377 | b'bookmarks', | |
378 | b'narrowspec', |
|
378 | b'narrowspec', | |
379 | b'data', |
|
379 | b'data', | |
380 | b'meta', |
|
380 | b'meta', | |
381 | b'00manifest.d', |
|
381 | b'00manifest.d', | |
382 | b'00manifest.i', |
|
382 | b'00manifest.i', | |
383 | b'00changelog.d', |
|
383 | b'00changelog.d', | |
384 | b'00changelog.i', |
|
384 | b'00changelog.i', | |
385 | b'phaseroots', |
|
385 | b'phaseroots', | |
386 | b'obsstore', |
|
386 | b'obsstore', | |
387 | b'requires', |
|
387 | b'requires', | |
388 | ] |
|
388 | ] | |
389 |
|
389 | |||
|
390 | REVLOG_FILES_EXT = (b'.i', b'.d', b'.n', b'.nd') | |||
390 |
|
391 | |||
391 | def isrevlog(f, kind, st): |
|
392 | def isrevlog(f, kind, st): | |
392 | if kind != stat.S_IFREG: |
|
393 | if kind != stat.S_IFREG: | |
393 | return False |
|
394 | return False | |
394 | if f[-2:] in (b'.i', b'.d', b'.n'): |
|
395 | return f.endswith(REVLOG_FILES_EXT) | |
395 | return True |
|
|||
396 | return f[-3:] == b'.nd' |
|
|||
397 |
|
396 | |||
398 |
|
397 | |||
399 | class basicstore(object): |
|
398 | class basicstore(object): | |
400 | '''base class for local repository stores''' |
|
399 | '''base class for local repository stores''' | |
401 |
|
400 | |||
402 | def __init__(self, path, vfstype): |
|
401 | def __init__(self, path, vfstype): | |
403 | vfs = vfstype(path) |
|
402 | vfs = vfstype(path) | |
404 | self.path = vfs.base |
|
403 | self.path = vfs.base | |
405 | self.createmode = _calcmode(vfs) |
|
404 | self.createmode = _calcmode(vfs) | |
406 | vfs.createmode = self.createmode |
|
405 | vfs.createmode = self.createmode | |
407 | self.rawvfs = vfs |
|
406 | self.rawvfs = vfs | |
408 | self.vfs = vfsmod.filtervfs(vfs, encodedir) |
|
407 | self.vfs = vfsmod.filtervfs(vfs, encodedir) | |
409 | self.opener = self.vfs |
|
408 | self.opener = self.vfs | |
410 |
|
409 | |||
411 | def join(self, f): |
|
410 | def join(self, f): | |
412 | return self.path + b'/' + encodedir(f) |
|
411 | return self.path + b'/' + encodedir(f) | |
413 |
|
412 | |||
414 | def _walk(self, relpath, recurse, filefilter=isrevlog): |
|
413 | def _walk(self, relpath, recurse, filefilter=isrevlog): | |
415 | '''yields (unencoded, encoded, size)''' |
|
414 | '''yields (unencoded, encoded, size)''' | |
416 | path = self.path |
|
415 | path = self.path | |
417 | if relpath: |
|
416 | if relpath: | |
418 | path += b'/' + relpath |
|
417 | path += b'/' + relpath | |
419 | striplen = len(self.path) + 1 |
|
418 | striplen = len(self.path) + 1 | |
420 | l = [] |
|
419 | l = [] | |
421 | if self.rawvfs.isdir(path): |
|
420 | if self.rawvfs.isdir(path): | |
422 | visit = [path] |
|
421 | visit = [path] | |
423 | readdir = self.rawvfs.readdir |
|
422 | readdir = self.rawvfs.readdir | |
424 | while visit: |
|
423 | while visit: | |
425 | p = visit.pop() |
|
424 | p = visit.pop() | |
426 | for f, kind, st in readdir(p, stat=True): |
|
425 | for f, kind, st in readdir(p, stat=True): | |
427 | fp = p + b'/' + f |
|
426 | fp = p + b'/' + f | |
428 | if filefilter(f, kind, st): |
|
427 | if filefilter(f, kind, st): | |
429 | n = util.pconvert(fp[striplen:]) |
|
428 | n = util.pconvert(fp[striplen:]) | |
430 | l.append((decodedir(n), n, st.st_size)) |
|
429 | l.append((decodedir(n), n, st.st_size)) | |
431 | elif kind == stat.S_IFDIR and recurse: |
|
430 | elif kind == stat.S_IFDIR and recurse: | |
432 | visit.append(fp) |
|
431 | visit.append(fp) | |
433 | l.sort() |
|
432 | l.sort() | |
434 | return l |
|
433 | return l | |
435 |
|
434 | |||
436 | def changelog(self, trypending): |
|
435 | def changelog(self, trypending): | |
437 | return changelog.changelog(self.vfs, trypending=trypending) |
|
436 | return changelog.changelog(self.vfs, trypending=trypending) | |
438 |
|
437 | |||
439 | def manifestlog(self, repo, storenarrowmatch): |
|
438 | def manifestlog(self, repo, storenarrowmatch): | |
440 | rootstore = manifest.manifestrevlog(self.vfs) |
|
439 | rootstore = manifest.manifestrevlog(self.vfs) | |
441 | return manifest.manifestlog(self.vfs, repo, rootstore, storenarrowmatch) |
|
440 | return manifest.manifestlog(self.vfs, repo, rootstore, storenarrowmatch) | |
442 |
|
441 | |||
443 | def datafiles(self, matcher=None): |
|
442 | def datafiles(self, matcher=None): | |
444 | return self._walk(b'data', True) + self._walk(b'meta', True) |
|
443 | return self._walk(b'data', True) + self._walk(b'meta', True) | |
445 |
|
444 | |||
446 | def topfiles(self): |
|
445 | def topfiles(self): | |
447 | # yield manifest before changelog |
|
446 | # yield manifest before changelog | |
448 | return reversed(self._walk(b'', False)) |
|
447 | return reversed(self._walk(b'', False)) | |
449 |
|
448 | |||
450 | def walk(self, matcher=None): |
|
449 | def walk(self, matcher=None): | |
451 | """yields (unencoded, encoded, size) |
|
450 | """yields (unencoded, encoded, size) | |
452 |
|
451 | |||
453 | if a matcher is passed, storage files of only those tracked paths |
|
452 | if a matcher is passed, storage files of only those tracked paths | |
454 | are passed with matches the matcher |
|
453 | are passed with matches the matcher | |
455 | """ |
|
454 | """ | |
456 | # yield data files first |
|
455 | # yield data files first | |
457 | for x in self.datafiles(matcher): |
|
456 | for x in self.datafiles(matcher): | |
458 | yield x |
|
457 | yield x | |
459 | for x in self.topfiles(): |
|
458 | for x in self.topfiles(): | |
460 | yield x |
|
459 | yield x | |
461 |
|
460 | |||
462 | def copylist(self): |
|
461 | def copylist(self): | |
463 | return _data |
|
462 | return _data | |
464 |
|
463 | |||
465 | def write(self, tr): |
|
464 | def write(self, tr): | |
466 | pass |
|
465 | pass | |
467 |
|
466 | |||
468 | def invalidatecaches(self): |
|
467 | def invalidatecaches(self): | |
469 | pass |
|
468 | pass | |
470 |
|
469 | |||
471 | def markremoved(self, fn): |
|
470 | def markremoved(self, fn): | |
472 | pass |
|
471 | pass | |
473 |
|
472 | |||
474 | def __contains__(self, path): |
|
473 | def __contains__(self, path): | |
475 | '''Checks if the store contains path''' |
|
474 | '''Checks if the store contains path''' | |
476 | path = b"/".join((b"data", path)) |
|
475 | path = b"/".join((b"data", path)) | |
477 | # file? |
|
476 | # file? | |
478 | if self.vfs.exists(path + b".i"): |
|
477 | if self.vfs.exists(path + b".i"): | |
479 | return True |
|
478 | return True | |
480 | # dir? |
|
479 | # dir? | |
481 | if not path.endswith(b"/"): |
|
480 | if not path.endswith(b"/"): | |
482 | path = path + b"/" |
|
481 | path = path + b"/" | |
483 | return self.vfs.exists(path) |
|
482 | return self.vfs.exists(path) | |
484 |
|
483 | |||
485 |
|
484 | |||
486 | class encodedstore(basicstore): |
|
485 | class encodedstore(basicstore): | |
487 | def __init__(self, path, vfstype): |
|
486 | def __init__(self, path, vfstype): | |
488 | vfs = vfstype(path + b'/store') |
|
487 | vfs = vfstype(path + b'/store') | |
489 | self.path = vfs.base |
|
488 | self.path = vfs.base | |
490 | self.createmode = _calcmode(vfs) |
|
489 | self.createmode = _calcmode(vfs) | |
491 | vfs.createmode = self.createmode |
|
490 | vfs.createmode = self.createmode | |
492 | self.rawvfs = vfs |
|
491 | self.rawvfs = vfs | |
493 | self.vfs = vfsmod.filtervfs(vfs, encodefilename) |
|
492 | self.vfs = vfsmod.filtervfs(vfs, encodefilename) | |
494 | self.opener = self.vfs |
|
493 | self.opener = self.vfs | |
495 |
|
494 | |||
496 | def datafiles(self, matcher=None): |
|
495 | def datafiles(self, matcher=None): | |
497 | for a, b, size in super(encodedstore, self).datafiles(): |
|
496 | for a, b, size in super(encodedstore, self).datafiles(): | |
498 | try: |
|
497 | try: | |
499 | a = decodefilename(a) |
|
498 | a = decodefilename(a) | |
500 | except KeyError: |
|
499 | except KeyError: | |
501 | a = None |
|
500 | a = None | |
502 | if a is not None and not _matchtrackedpath(a, matcher): |
|
501 | if a is not None and not _matchtrackedpath(a, matcher): | |
503 | continue |
|
502 | continue | |
504 | yield a, b, size |
|
503 | yield a, b, size | |
505 |
|
504 | |||
506 | def join(self, f): |
|
505 | def join(self, f): | |
507 | return self.path + b'/' + encodefilename(f) |
|
506 | return self.path + b'/' + encodefilename(f) | |
508 |
|
507 | |||
509 | def copylist(self): |
|
508 | def copylist(self): | |
510 | return [b'requires', b'00changelog.i'] + [b'store/' + f for f in _data] |
|
509 | return [b'requires', b'00changelog.i'] + [b'store/' + f for f in _data] | |
511 |
|
510 | |||
512 |
|
511 | |||
513 | class fncache(object): |
|
512 | class fncache(object): | |
514 | # the filename used to be partially encoded |
|
513 | # the filename used to be partially encoded | |
515 | # hence the encodedir/decodedir dance |
|
514 | # hence the encodedir/decodedir dance | |
516 | def __init__(self, vfs): |
|
515 | def __init__(self, vfs): | |
517 | self.vfs = vfs |
|
516 | self.vfs = vfs | |
518 | self.entries = None |
|
517 | self.entries = None | |
519 | self._dirty = False |
|
518 | self._dirty = False | |
520 | # set of new additions to fncache |
|
519 | # set of new additions to fncache | |
521 | self.addls = set() |
|
520 | self.addls = set() | |
522 |
|
521 | |||
523 | def ensureloaded(self, warn=None): |
|
522 | def ensureloaded(self, warn=None): | |
524 | """read the fncache file if not already read. |
|
523 | """read the fncache file if not already read. | |
525 |
|
524 | |||
526 | If the file on disk is corrupted, raise. If warn is provided, |
|
525 | If the file on disk is corrupted, raise. If warn is provided, | |
527 | warn and keep going instead.""" |
|
526 | warn and keep going instead.""" | |
528 | if self.entries is None: |
|
527 | if self.entries is None: | |
529 | self._load(warn) |
|
528 | self._load(warn) | |
530 |
|
529 | |||
531 | def _load(self, warn=None): |
|
530 | def _load(self, warn=None): | |
532 | '''fill the entries from the fncache file''' |
|
531 | '''fill the entries from the fncache file''' | |
533 | self._dirty = False |
|
532 | self._dirty = False | |
534 | try: |
|
533 | try: | |
535 | fp = self.vfs(b'fncache', mode=b'rb') |
|
534 | fp = self.vfs(b'fncache', mode=b'rb') | |
536 | except IOError: |
|
535 | except IOError: | |
537 | # skip nonexistent file |
|
536 | # skip nonexistent file | |
538 | self.entries = set() |
|
537 | self.entries = set() | |
539 | return |
|
538 | return | |
540 |
|
539 | |||
541 | self.entries = set() |
|
540 | self.entries = set() | |
542 | chunk = b'' |
|
541 | chunk = b'' | |
543 | for c in iter(functools.partial(fp.read, fncache_chunksize), b''): |
|
542 | for c in iter(functools.partial(fp.read, fncache_chunksize), b''): | |
544 | chunk += c |
|
543 | chunk += c | |
545 | try: |
|
544 | try: | |
546 | p = chunk.rindex(b'\n') |
|
545 | p = chunk.rindex(b'\n') | |
547 | self.entries.update(decodedir(chunk[: p + 1]).splitlines()) |
|
546 | self.entries.update(decodedir(chunk[: p + 1]).splitlines()) | |
548 | chunk = chunk[p + 1 :] |
|
547 | chunk = chunk[p + 1 :] | |
549 | except ValueError: |
|
548 | except ValueError: | |
550 | # substring '\n' not found, maybe the entry is bigger than the |
|
549 | # substring '\n' not found, maybe the entry is bigger than the | |
551 | # chunksize, so let's keep iterating |
|
550 | # chunksize, so let's keep iterating | |
552 | pass |
|
551 | pass | |
553 |
|
552 | |||
554 | if chunk: |
|
553 | if chunk: | |
555 | msg = _(b"fncache does not ends with a newline") |
|
554 | msg = _(b"fncache does not ends with a newline") | |
556 | if warn: |
|
555 | if warn: | |
557 | warn(msg + b'\n') |
|
556 | warn(msg + b'\n') | |
558 | else: |
|
557 | else: | |
559 | raise error.Abort( |
|
558 | raise error.Abort( | |
560 | msg, |
|
559 | msg, | |
561 | hint=_( |
|
560 | hint=_( | |
562 | b"use 'hg debugrebuildfncache' to " |
|
561 | b"use 'hg debugrebuildfncache' to " | |
563 | b"rebuild the fncache" |
|
562 | b"rebuild the fncache" | |
564 | ), |
|
563 | ), | |
565 | ) |
|
564 | ) | |
566 | self._checkentries(fp, warn) |
|
565 | self._checkentries(fp, warn) | |
567 | fp.close() |
|
566 | fp.close() | |
568 |
|
567 | |||
569 | def _checkentries(self, fp, warn): |
|
568 | def _checkentries(self, fp, warn): | |
570 | """ make sure there is no empty string in entries """ |
|
569 | """ make sure there is no empty string in entries """ | |
571 | if b'' in self.entries: |
|
570 | if b'' in self.entries: | |
572 | fp.seek(0) |
|
571 | fp.seek(0) | |
573 | for n, line in enumerate(util.iterfile(fp)): |
|
572 | for n, line in enumerate(util.iterfile(fp)): | |
574 | if not line.rstrip(b'\n'): |
|
573 | if not line.rstrip(b'\n'): | |
575 | t = _(b'invalid entry in fncache, line %d') % (n + 1) |
|
574 | t = _(b'invalid entry in fncache, line %d') % (n + 1) | |
576 | if warn: |
|
575 | if warn: | |
577 | warn(t + b'\n') |
|
576 | warn(t + b'\n') | |
578 | else: |
|
577 | else: | |
579 | raise error.Abort(t) |
|
578 | raise error.Abort(t) | |
580 |
|
579 | |||
581 | def write(self, tr): |
|
580 | def write(self, tr): | |
582 | if self._dirty: |
|
581 | if self._dirty: | |
583 | assert self.entries is not None |
|
582 | assert self.entries is not None | |
584 | self.entries = self.entries | self.addls |
|
583 | self.entries = self.entries | self.addls | |
585 | self.addls = set() |
|
584 | self.addls = set() | |
586 | tr.addbackup(b'fncache') |
|
585 | tr.addbackup(b'fncache') | |
587 | fp = self.vfs(b'fncache', mode=b'wb', atomictemp=True) |
|
586 | fp = self.vfs(b'fncache', mode=b'wb', atomictemp=True) | |
588 | if self.entries: |
|
587 | if self.entries: | |
589 | fp.write(encodedir(b'\n'.join(self.entries) + b'\n')) |
|
588 | fp.write(encodedir(b'\n'.join(self.entries) + b'\n')) | |
590 | fp.close() |
|
589 | fp.close() | |
591 | self._dirty = False |
|
590 | self._dirty = False | |
592 | if self.addls: |
|
591 | if self.addls: | |
593 | # if we have just new entries, let's append them to the fncache |
|
592 | # if we have just new entries, let's append them to the fncache | |
594 | tr.addbackup(b'fncache') |
|
593 | tr.addbackup(b'fncache') | |
595 | fp = self.vfs(b'fncache', mode=b'ab', atomictemp=True) |
|
594 | fp = self.vfs(b'fncache', mode=b'ab', atomictemp=True) | |
596 | if self.addls: |
|
595 | if self.addls: | |
597 | fp.write(encodedir(b'\n'.join(self.addls) + b'\n')) |
|
596 | fp.write(encodedir(b'\n'.join(self.addls) + b'\n')) | |
598 | fp.close() |
|
597 | fp.close() | |
599 | self.entries = None |
|
598 | self.entries = None | |
600 | self.addls = set() |
|
599 | self.addls = set() | |
601 |
|
600 | |||
602 | def add(self, fn): |
|
601 | def add(self, fn): | |
603 | if self.entries is None: |
|
602 | if self.entries is None: | |
604 | self._load() |
|
603 | self._load() | |
605 | if fn not in self.entries: |
|
604 | if fn not in self.entries: | |
606 | self.addls.add(fn) |
|
605 | self.addls.add(fn) | |
607 |
|
606 | |||
608 | def remove(self, fn): |
|
607 | def remove(self, fn): | |
609 | if self.entries is None: |
|
608 | if self.entries is None: | |
610 | self._load() |
|
609 | self._load() | |
611 | if fn in self.addls: |
|
610 | if fn in self.addls: | |
612 | self.addls.remove(fn) |
|
611 | self.addls.remove(fn) | |
613 | return |
|
612 | return | |
614 | try: |
|
613 | try: | |
615 | self.entries.remove(fn) |
|
614 | self.entries.remove(fn) | |
616 | self._dirty = True |
|
615 | self._dirty = True | |
617 | except KeyError: |
|
616 | except KeyError: | |
618 | pass |
|
617 | pass | |
619 |
|
618 | |||
620 | def __contains__(self, fn): |
|
619 | def __contains__(self, fn): | |
621 | if fn in self.addls: |
|
620 | if fn in self.addls: | |
622 | return True |
|
621 | return True | |
623 | if self.entries is None: |
|
622 | if self.entries is None: | |
624 | self._load() |
|
623 | self._load() | |
625 | return fn in self.entries |
|
624 | return fn in self.entries | |
626 |
|
625 | |||
627 | def __iter__(self): |
|
626 | def __iter__(self): | |
628 | if self.entries is None: |
|
627 | if self.entries is None: | |
629 | self._load() |
|
628 | self._load() | |
630 | return iter(self.entries | self.addls) |
|
629 | return iter(self.entries | self.addls) | |
631 |
|
630 | |||
632 |
|
631 | |||
633 | class _fncachevfs(vfsmod.proxyvfs): |
|
632 | class _fncachevfs(vfsmod.proxyvfs): | |
634 | def __init__(self, vfs, fnc, encode): |
|
633 | def __init__(self, vfs, fnc, encode): | |
635 | vfsmod.proxyvfs.__init__(self, vfs) |
|
634 | vfsmod.proxyvfs.__init__(self, vfs) | |
636 | self.fncache = fnc |
|
635 | self.fncache = fnc | |
637 | self.encode = encode |
|
636 | self.encode = encode | |
638 |
|
637 | |||
639 | def __call__(self, path, mode=b'r', *args, **kw): |
|
638 | def __call__(self, path, mode=b'r', *args, **kw): | |
640 | encoded = self.encode(path) |
|
639 | encoded = self.encode(path) | |
641 | if mode not in (b'r', b'rb') and ( |
|
640 | if mode not in (b'r', b'rb') and ( | |
642 | path.startswith(b'data/') or path.startswith(b'meta/') |
|
641 | path.startswith(b'data/') or path.startswith(b'meta/') | |
643 | ): |
|
642 | ): | |
644 | # do not trigger a fncache load when adding a file that already is |
|
643 | # do not trigger a fncache load when adding a file that already is | |
645 | # known to exist. |
|
644 | # known to exist. | |
646 | notload = self.fncache.entries is None and self.vfs.exists(encoded) |
|
645 | notload = self.fncache.entries is None and self.vfs.exists(encoded) | |
647 | if notload and b'a' in mode and not self.vfs.stat(encoded).st_size: |
|
646 | if notload and b'a' in mode and not self.vfs.stat(encoded).st_size: | |
648 | # when appending to an existing file, if the file has size zero, |
|
647 | # when appending to an existing file, if the file has size zero, | |
649 | # it should be considered as missing. Such zero-size files are |
|
648 | # it should be considered as missing. Such zero-size files are | |
650 | # the result of truncation when a transaction is aborted. |
|
649 | # the result of truncation when a transaction is aborted. | |
651 | notload = False |
|
650 | notload = False | |
652 | if not notload: |
|
651 | if not notload: | |
653 | self.fncache.add(path) |
|
652 | self.fncache.add(path) | |
654 | return self.vfs(encoded, mode, *args, **kw) |
|
653 | return self.vfs(encoded, mode, *args, **kw) | |
655 |
|
654 | |||
656 | def join(self, path): |
|
655 | def join(self, path): | |
657 | if path: |
|
656 | if path: | |
658 | return self.vfs.join(self.encode(path)) |
|
657 | return self.vfs.join(self.encode(path)) | |
659 | else: |
|
658 | else: | |
660 | return self.vfs.join(path) |
|
659 | return self.vfs.join(path) | |
661 |
|
660 | |||
662 |
|
661 | |||
663 | class fncachestore(basicstore): |
|
662 | class fncachestore(basicstore): | |
664 | def __init__(self, path, vfstype, dotencode): |
|
663 | def __init__(self, path, vfstype, dotencode): | |
665 | if dotencode: |
|
664 | if dotencode: | |
666 | encode = _pathencode |
|
665 | encode = _pathencode | |
667 | else: |
|
666 | else: | |
668 | encode = _plainhybridencode |
|
667 | encode = _plainhybridencode | |
669 | self.encode = encode |
|
668 | self.encode = encode | |
670 | vfs = vfstype(path + b'/store') |
|
669 | vfs = vfstype(path + b'/store') | |
671 | self.path = vfs.base |
|
670 | self.path = vfs.base | |
672 | self.pathsep = self.path + b'/' |
|
671 | self.pathsep = self.path + b'/' | |
673 | self.createmode = _calcmode(vfs) |
|
672 | self.createmode = _calcmode(vfs) | |
674 | vfs.createmode = self.createmode |
|
673 | vfs.createmode = self.createmode | |
675 | self.rawvfs = vfs |
|
674 | self.rawvfs = vfs | |
676 | fnc = fncache(vfs) |
|
675 | fnc = fncache(vfs) | |
677 | self.fncache = fnc |
|
676 | self.fncache = fnc | |
678 | self.vfs = _fncachevfs(vfs, fnc, encode) |
|
677 | self.vfs = _fncachevfs(vfs, fnc, encode) | |
679 | self.opener = self.vfs |
|
678 | self.opener = self.vfs | |
680 |
|
679 | |||
681 | def join(self, f): |
|
680 | def join(self, f): | |
682 | return self.pathsep + self.encode(f) |
|
681 | return self.pathsep + self.encode(f) | |
683 |
|
682 | |||
684 | def getsize(self, path): |
|
683 | def getsize(self, path): | |
685 | return self.rawvfs.stat(path).st_size |
|
684 | return self.rawvfs.stat(path).st_size | |
686 |
|
685 | |||
687 | def datafiles(self, matcher=None): |
|
686 | def datafiles(self, matcher=None): | |
688 | for f in sorted(self.fncache): |
|
687 | for f in sorted(self.fncache): | |
689 | if not _matchtrackedpath(f, matcher): |
|
688 | if not _matchtrackedpath(f, matcher): | |
690 | continue |
|
689 | continue | |
691 | ef = self.encode(f) |
|
690 | ef = self.encode(f) | |
692 | try: |
|
691 | try: | |
693 | yield f, ef, self.getsize(ef) |
|
692 | yield f, ef, self.getsize(ef) | |
694 | except OSError as err: |
|
693 | except OSError as err: | |
695 | if err.errno != errno.ENOENT: |
|
694 | if err.errno != errno.ENOENT: | |
696 | raise |
|
695 | raise | |
697 |
|
696 | |||
698 | def copylist(self): |
|
697 | def copylist(self): | |
699 | d = ( |
|
698 | d = ( | |
700 | b'bookmarks', |
|
699 | b'bookmarks', | |
701 | b'narrowspec', |
|
700 | b'narrowspec', | |
702 | b'data', |
|
701 | b'data', | |
703 | b'meta', |
|
702 | b'meta', | |
704 | b'dh', |
|
703 | b'dh', | |
705 | b'fncache', |
|
704 | b'fncache', | |
706 | b'phaseroots', |
|
705 | b'phaseroots', | |
707 | b'obsstore', |
|
706 | b'obsstore', | |
708 | b'00manifest.d', |
|
707 | b'00manifest.d', | |
709 | b'00manifest.i', |
|
708 | b'00manifest.i', | |
710 | b'00changelog.d', |
|
709 | b'00changelog.d', | |
711 | b'00changelog.i', |
|
710 | b'00changelog.i', | |
712 | b'requires', |
|
711 | b'requires', | |
713 | ) |
|
712 | ) | |
714 | return [b'requires', b'00changelog.i'] + [b'store/' + f for f in d] |
|
713 | return [b'requires', b'00changelog.i'] + [b'store/' + f for f in d] | |
715 |
|
714 | |||
716 | def write(self, tr): |
|
715 | def write(self, tr): | |
717 | self.fncache.write(tr) |
|
716 | self.fncache.write(tr) | |
718 |
|
717 | |||
719 | def invalidatecaches(self): |
|
718 | def invalidatecaches(self): | |
720 | self.fncache.entries = None |
|
719 | self.fncache.entries = None | |
721 | self.fncache.addls = set() |
|
720 | self.fncache.addls = set() | |
722 |
|
721 | |||
723 | def markremoved(self, fn): |
|
722 | def markremoved(self, fn): | |
724 | self.fncache.remove(fn) |
|
723 | self.fncache.remove(fn) | |
725 |
|
724 | |||
726 | def _exists(self, f): |
|
725 | def _exists(self, f): | |
727 | ef = self.encode(f) |
|
726 | ef = self.encode(f) | |
728 | try: |
|
727 | try: | |
729 | self.getsize(ef) |
|
728 | self.getsize(ef) | |
730 | return True |
|
729 | return True | |
731 | except OSError as err: |
|
730 | except OSError as err: | |
732 | if err.errno != errno.ENOENT: |
|
731 | if err.errno != errno.ENOENT: | |
733 | raise |
|
732 | raise | |
734 | # nonexistent entry |
|
733 | # nonexistent entry | |
735 | return False |
|
734 | return False | |
736 |
|
735 | |||
737 | def __contains__(self, path): |
|
736 | def __contains__(self, path): | |
738 | '''Checks if the store contains path''' |
|
737 | '''Checks if the store contains path''' | |
739 | path = b"/".join((b"data", path)) |
|
738 | path = b"/".join((b"data", path)) | |
740 | # check for files (exact match) |
|
739 | # check for files (exact match) | |
741 | e = path + b'.i' |
|
740 | e = path + b'.i' | |
742 | if e in self.fncache and self._exists(e): |
|
741 | if e in self.fncache and self._exists(e): | |
743 | return True |
|
742 | return True | |
744 | # now check for directories (prefix match) |
|
743 | # now check for directories (prefix match) | |
745 | if not path.endswith(b'/'): |
|
744 | if not path.endswith(b'/'): | |
746 | path += b'/' |
|
745 | path += b'/' | |
747 | for e in self.fncache: |
|
746 | for e in self.fncache: | |
748 | if e.startswith(path) and self._exists(e): |
|
747 | if e.startswith(path) and self._exists(e): | |
749 | return True |
|
748 | return True | |
750 | return False |
|
749 | return False |
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