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@@ -1,430 +1,432 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 i18n import _ |
|
8 | from i18n import _ | |
9 | import osutil, scmutil, util |
|
9 | import osutil, scmutil, util | |
10 | import os, stat |
|
10 | import os, stat, errno | |
11 |
|
11 | |||
12 | _sha = util.sha1 |
|
12 | _sha = util.sha1 | |
13 |
|
13 | |||
14 | # This avoids a collision between a file named foo and a dir named |
|
14 | # This avoids a collision between a file named foo and a dir named | |
15 | # foo.i or foo.d |
|
15 | # foo.i or foo.d | |
16 | def encodedir(path): |
|
16 | def encodedir(path): | |
17 | ''' |
|
17 | ''' | |
18 | >>> encodedir('data/foo.i') |
|
18 | >>> encodedir('data/foo.i') | |
19 | 'data/foo.i' |
|
19 | 'data/foo.i' | |
20 | >>> encodedir('data/foo.i/bla.i') |
|
20 | >>> encodedir('data/foo.i/bla.i') | |
21 | 'data/foo.i.hg/bla.i' |
|
21 | 'data/foo.i.hg/bla.i' | |
22 | >>> encodedir('data/foo.i.hg/bla.i') |
|
22 | >>> encodedir('data/foo.i.hg/bla.i') | |
23 | 'data/foo.i.hg.hg/bla.i' |
|
23 | 'data/foo.i.hg.hg/bla.i' | |
24 | ''' |
|
24 | ''' | |
25 | if not path.startswith('data/'): |
|
25 | if not path.startswith('data/'): | |
26 | return path |
|
26 | return path | |
27 | return (path |
|
27 | return (path | |
28 | .replace(".hg/", ".hg.hg/") |
|
28 | .replace(".hg/", ".hg.hg/") | |
29 | .replace(".i/", ".i.hg/") |
|
29 | .replace(".i/", ".i.hg/") | |
30 | .replace(".d/", ".d.hg/")) |
|
30 | .replace(".d/", ".d.hg/")) | |
31 |
|
31 | |||
32 | def decodedir(path): |
|
32 | def decodedir(path): | |
33 | ''' |
|
33 | ''' | |
34 | >>> decodedir('data/foo.i') |
|
34 | >>> decodedir('data/foo.i') | |
35 | 'data/foo.i' |
|
35 | 'data/foo.i' | |
36 | >>> decodedir('data/foo.i.hg/bla.i') |
|
36 | >>> decodedir('data/foo.i.hg/bla.i') | |
37 | 'data/foo.i/bla.i' |
|
37 | 'data/foo.i/bla.i' | |
38 | >>> decodedir('data/foo.i.hg.hg/bla.i') |
|
38 | >>> decodedir('data/foo.i.hg.hg/bla.i') | |
39 | 'data/foo.i.hg/bla.i' |
|
39 | 'data/foo.i.hg/bla.i' | |
40 | ''' |
|
40 | ''' | |
41 | if not path.startswith('data/') or ".hg/" not in path: |
|
41 | if not path.startswith('data/') or ".hg/" not in path: | |
42 | return path |
|
42 | return path | |
43 | return (path |
|
43 | return (path | |
44 | .replace(".d.hg/", ".d/") |
|
44 | .replace(".d.hg/", ".d/") | |
45 | .replace(".i.hg/", ".i/") |
|
45 | .replace(".i.hg/", ".i/") | |
46 | .replace(".hg.hg/", ".hg/")) |
|
46 | .replace(".hg.hg/", ".hg/")) | |
47 |
|
47 | |||
48 | def _buildencodefun(): |
|
48 | def _buildencodefun(): | |
49 | ''' |
|
49 | ''' | |
50 | >>> enc, dec = _buildencodefun() |
|
50 | >>> enc, dec = _buildencodefun() | |
51 |
|
51 | |||
52 | >>> enc('nothing/special.txt') |
|
52 | >>> enc('nothing/special.txt') | |
53 | 'nothing/special.txt' |
|
53 | 'nothing/special.txt' | |
54 | >>> dec('nothing/special.txt') |
|
54 | >>> dec('nothing/special.txt') | |
55 | 'nothing/special.txt' |
|
55 | 'nothing/special.txt' | |
56 |
|
56 | |||
57 | >>> enc('HELLO') |
|
57 | >>> enc('HELLO') | |
58 | '_h_e_l_l_o' |
|
58 | '_h_e_l_l_o' | |
59 | >>> dec('_h_e_l_l_o') |
|
59 | >>> dec('_h_e_l_l_o') | |
60 | 'HELLO' |
|
60 | 'HELLO' | |
61 |
|
61 | |||
62 | >>> enc('hello:world?') |
|
62 | >>> enc('hello:world?') | |
63 | 'hello~3aworld~3f' |
|
63 | 'hello~3aworld~3f' | |
64 | >>> dec('hello~3aworld~3f') |
|
64 | >>> dec('hello~3aworld~3f') | |
65 | 'hello:world?' |
|
65 | 'hello:world?' | |
66 |
|
66 | |||
67 | >>> enc('the\x07quick\xADshot') |
|
67 | >>> enc('the\x07quick\xADshot') | |
68 | 'the~07quick~adshot' |
|
68 | 'the~07quick~adshot' | |
69 | >>> dec('the~07quick~adshot') |
|
69 | >>> dec('the~07quick~adshot') | |
70 | 'the\\x07quick\\xadshot' |
|
70 | 'the\\x07quick\\xadshot' | |
71 | ''' |
|
71 | ''' | |
72 | e = '_' |
|
72 | e = '_' | |
73 | winreserved = [ord(x) for x in '\\:*?"<>|'] |
|
73 | winreserved = [ord(x) for x in '\\:*?"<>|'] | |
74 | cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
|
74 | cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) | |
75 | for x in (range(32) + range(126, 256) + winreserved): |
|
75 | for x in (range(32) + range(126, 256) + winreserved): | |
76 | cmap[chr(x)] = "~%02x" % x |
|
76 | cmap[chr(x)] = "~%02x" % x | |
77 | for x in range(ord("A"), ord("Z")+1) + [ord(e)]: |
|
77 | for x in range(ord("A"), ord("Z")+1) + [ord(e)]: | |
78 | cmap[chr(x)] = e + chr(x).lower() |
|
78 | cmap[chr(x)] = e + chr(x).lower() | |
79 | dmap = {} |
|
79 | dmap = {} | |
80 | for k, v in cmap.iteritems(): |
|
80 | for k, v in cmap.iteritems(): | |
81 | dmap[v] = k |
|
81 | dmap[v] = k | |
82 | def decode(s): |
|
82 | def decode(s): | |
83 | i = 0 |
|
83 | i = 0 | |
84 | while i < len(s): |
|
84 | while i < len(s): | |
85 | for l in xrange(1, 4): |
|
85 | for l in xrange(1, 4): | |
86 | try: |
|
86 | try: | |
87 | yield dmap[s[i:i + l]] |
|
87 | yield dmap[s[i:i + l]] | |
88 | i += l |
|
88 | i += l | |
89 | break |
|
89 | break | |
90 | except KeyError: |
|
90 | except KeyError: | |
91 | pass |
|
91 | pass | |
92 | else: |
|
92 | else: | |
93 | raise KeyError |
|
93 | raise KeyError | |
94 | return (lambda s: "".join([cmap[c] for c in encodedir(s)]), |
|
94 | return (lambda s: "".join([cmap[c] for c in encodedir(s)]), | |
95 | lambda s: decodedir("".join(list(decode(s))))) |
|
95 | lambda s: decodedir("".join(list(decode(s))))) | |
96 |
|
96 | |||
97 | encodefilename, decodefilename = _buildencodefun() |
|
97 | encodefilename, decodefilename = _buildencodefun() | |
98 |
|
98 | |||
99 | def _buildlowerencodefun(): |
|
99 | def _buildlowerencodefun(): | |
100 | ''' |
|
100 | ''' | |
101 | >>> f = _buildlowerencodefun() |
|
101 | >>> f = _buildlowerencodefun() | |
102 | >>> f('nothing/special.txt') |
|
102 | >>> f('nothing/special.txt') | |
103 | 'nothing/special.txt' |
|
103 | 'nothing/special.txt' | |
104 | >>> f('HELLO') |
|
104 | >>> f('HELLO') | |
105 | 'hello' |
|
105 | 'hello' | |
106 | >>> f('hello:world?') |
|
106 | >>> f('hello:world?') | |
107 | 'hello~3aworld~3f' |
|
107 | 'hello~3aworld~3f' | |
108 | >>> f('the\x07quick\xADshot') |
|
108 | >>> f('the\x07quick\xADshot') | |
109 | 'the~07quick~adshot' |
|
109 | 'the~07quick~adshot' | |
110 | ''' |
|
110 | ''' | |
111 | winreserved = [ord(x) for x in '\\:*?"<>|'] |
|
111 | winreserved = [ord(x) for x in '\\:*?"<>|'] | |
112 | cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) |
|
112 | cmap = dict([(chr(x), chr(x)) for x in xrange(127)]) | |
113 | for x in (range(32) + range(126, 256) + winreserved): |
|
113 | for x in (range(32) + range(126, 256) + winreserved): | |
114 | cmap[chr(x)] = "~%02x" % x |
|
114 | cmap[chr(x)] = "~%02x" % x | |
115 | for x in range(ord("A"), ord("Z")+1): |
|
115 | for x in range(ord("A"), ord("Z")+1): | |
116 | cmap[chr(x)] = chr(x).lower() |
|
116 | cmap[chr(x)] = chr(x).lower() | |
117 | return lambda s: "".join([cmap[c] for c in s]) |
|
117 | return lambda s: "".join([cmap[c] for c in s]) | |
118 |
|
118 | |||
119 | lowerencode = _buildlowerencodefun() |
|
119 | lowerencode = _buildlowerencodefun() | |
120 |
|
120 | |||
121 | _winreservednames = '''con prn aux nul |
|
121 | _winreservednames = '''con prn aux nul | |
122 | com1 com2 com3 com4 com5 com6 com7 com8 com9 |
|
122 | com1 com2 com3 com4 com5 com6 com7 com8 com9 | |
123 | lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9'''.split() |
|
123 | lpt1 lpt2 lpt3 lpt4 lpt5 lpt6 lpt7 lpt8 lpt9'''.split() | |
124 | def _auxencode(path, dotencode): |
|
124 | def _auxencode(path, dotencode): | |
125 | ''' |
|
125 | ''' | |
126 | Encodes filenames containing names reserved by Windows or which end in |
|
126 | Encodes filenames containing names reserved by Windows or which end in | |
127 | period or space. Does not touch other single reserved characters c. |
|
127 | period or space. Does not touch other single reserved characters c. | |
128 | Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. |
|
128 | Specifically, c in '\\:*?"<>|' or ord(c) <= 31 are *not* encoded here. | |
129 | Additionally encodes space or period at the beginning, if dotencode is |
|
129 | Additionally encodes space or period at the beginning, if dotencode is | |
130 | True. |
|
130 | True. | |
131 | path is assumed to be all lowercase. |
|
131 | path is assumed to be all lowercase. | |
132 |
|
132 | |||
133 | >>> _auxencode('.foo/aux.txt/txt.aux/con/prn/nul/foo.', True) |
|
133 | >>> _auxencode('.foo/aux.txt/txt.aux/con/prn/nul/foo.', True) | |
134 | '~2efoo/au~78.txt/txt.aux/co~6e/pr~6e/nu~6c/foo~2e' |
|
134 | '~2efoo/au~78.txt/txt.aux/co~6e/pr~6e/nu~6c/foo~2e' | |
135 | >>> _auxencode('.com1com2/lpt9.lpt4.lpt1/conprn/foo.', False) |
|
135 | >>> _auxencode('.com1com2/lpt9.lpt4.lpt1/conprn/foo.', False) | |
136 | '.com1com2/lp~749.lpt4.lpt1/conprn/foo~2e' |
|
136 | '.com1com2/lp~749.lpt4.lpt1/conprn/foo~2e' | |
137 | >>> _auxencode('foo. ', True) |
|
137 | >>> _auxencode('foo. ', True) | |
138 | 'foo.~20' |
|
138 | 'foo.~20' | |
139 | >>> _auxencode(' .foo', True) |
|
139 | >>> _auxencode(' .foo', True) | |
140 | '~20.foo' |
|
140 | '~20.foo' | |
141 | ''' |
|
141 | ''' | |
142 | res = [] |
|
142 | res = [] | |
143 | for n in path.split('/'): |
|
143 | for n in path.split('/'): | |
144 | if n: |
|
144 | if n: | |
145 | base = n.split('.')[0] |
|
145 | base = n.split('.')[0] | |
146 | if base and (base in _winreservednames): |
|
146 | if base and (base in _winreservednames): | |
147 | # encode third letter ('aux' -> 'au~78') |
|
147 | # encode third letter ('aux' -> 'au~78') | |
148 | ec = "~%02x" % ord(n[2]) |
|
148 | ec = "~%02x" % ord(n[2]) | |
149 | n = n[0:2] + ec + n[3:] |
|
149 | n = n[0:2] + ec + n[3:] | |
150 | if n[-1] in '. ': |
|
150 | if n[-1] in '. ': | |
151 | # encode last period or space ('foo...' -> 'foo..~2e') |
|
151 | # encode last period or space ('foo...' -> 'foo..~2e') | |
152 | n = n[:-1] + "~%02x" % ord(n[-1]) |
|
152 | n = n[:-1] + "~%02x" % ord(n[-1]) | |
153 | if dotencode and n[0] in '. ': |
|
153 | if dotencode and n[0] in '. ': | |
154 | n = "~%02x" % ord(n[0]) + n[1:] |
|
154 | n = "~%02x" % ord(n[0]) + n[1:] | |
155 | res.append(n) |
|
155 | res.append(n) | |
156 | return '/'.join(res) |
|
156 | return '/'.join(res) | |
157 |
|
157 | |||
158 | _maxstorepathlen = 120 |
|
158 | _maxstorepathlen = 120 | |
159 | _dirprefixlen = 8 |
|
159 | _dirprefixlen = 8 | |
160 | _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 |
|
160 | _maxshortdirslen = 8 * (_dirprefixlen + 1) - 4 | |
161 | def _hybridencode(path, auxencode): |
|
161 | def _hybridencode(path, auxencode): | |
162 | '''encodes path with a length limit |
|
162 | '''encodes path with a length limit | |
163 |
|
163 | |||
164 | Encodes all paths that begin with 'data/', according to the following. |
|
164 | Encodes all paths that begin with 'data/', according to the following. | |
165 |
|
165 | |||
166 | Default encoding (reversible): |
|
166 | Default encoding (reversible): | |
167 |
|
167 | |||
168 | Encodes all uppercase letters 'X' as '_x'. All reserved or illegal |
|
168 | Encodes all uppercase letters 'X' as '_x'. All reserved or illegal | |
169 | characters are encoded as '~xx', where xx is the two digit hex code |
|
169 | characters are encoded as '~xx', where xx is the two digit hex code | |
170 | of the character (see encodefilename). |
|
170 | of the character (see encodefilename). | |
171 | Relevant path components consisting of Windows reserved filenames are |
|
171 | Relevant path components consisting of Windows reserved filenames are | |
172 | masked by encoding the third character ('aux' -> 'au~78', see auxencode). |
|
172 | masked by encoding the third character ('aux' -> 'au~78', see auxencode). | |
173 |
|
173 | |||
174 | Hashed encoding (not reversible): |
|
174 | Hashed encoding (not reversible): | |
175 |
|
175 | |||
176 | If the default-encoded path is longer than _maxstorepathlen, a |
|
176 | If the default-encoded path is longer than _maxstorepathlen, a | |
177 | non-reversible hybrid hashing of the path is done instead. |
|
177 | non-reversible hybrid hashing of the path is done instead. | |
178 | This encoding uses up to _dirprefixlen characters of all directory |
|
178 | This encoding uses up to _dirprefixlen characters of all directory | |
179 | levels of the lowerencoded path, but not more levels than can fit into |
|
179 | levels of the lowerencoded path, but not more levels than can fit into | |
180 | _maxshortdirslen. |
|
180 | _maxshortdirslen. | |
181 | Then follows the filler followed by the sha digest of the full path. |
|
181 | Then follows the filler followed by the sha digest of the full path. | |
182 | The filler is the beginning of the basename of the lowerencoded path |
|
182 | The filler is the beginning of the basename of the lowerencoded path | |
183 | (the basename is everything after the last path separator). The filler |
|
183 | (the basename is everything after the last path separator). The filler | |
184 | is as long as possible, filling in characters from the basename until |
|
184 | is as long as possible, filling in characters from the basename until | |
185 | the encoded path has _maxstorepathlen characters (or all chars of the |
|
185 | the encoded path has _maxstorepathlen characters (or all chars of the | |
186 | basename have been taken). |
|
186 | basename have been taken). | |
187 | The extension (e.g. '.i' or '.d') is preserved. |
|
187 | The extension (e.g. '.i' or '.d') is preserved. | |
188 |
|
188 | |||
189 | The string 'data/' at the beginning is replaced with 'dh/', if the hashed |
|
189 | The string 'data/' at the beginning is replaced with 'dh/', if the hashed | |
190 | encoding was used. |
|
190 | encoding was used. | |
191 | ''' |
|
191 | ''' | |
192 | if not path.startswith('data/'): |
|
192 | if not path.startswith('data/'): | |
193 | return path |
|
193 | return path | |
194 | # escape directories ending with .i and .d |
|
194 | # escape directories ending with .i and .d | |
195 | path = encodedir(path) |
|
195 | path = encodedir(path) | |
196 | ndpath = path[len('data/'):] |
|
196 | ndpath = path[len('data/'):] | |
197 | res = 'data/' + auxencode(encodefilename(ndpath)) |
|
197 | res = 'data/' + auxencode(encodefilename(ndpath)) | |
198 | if len(res) > _maxstorepathlen: |
|
198 | if len(res) > _maxstorepathlen: | |
199 | digest = _sha(path).hexdigest() |
|
199 | digest = _sha(path).hexdigest() | |
200 | aep = auxencode(lowerencode(ndpath)) |
|
200 | aep = auxencode(lowerencode(ndpath)) | |
201 | _root, ext = os.path.splitext(aep) |
|
201 | _root, ext = os.path.splitext(aep) | |
202 | parts = aep.split('/') |
|
202 | parts = aep.split('/') | |
203 | basename = parts[-1] |
|
203 | basename = parts[-1] | |
204 | sdirs = [] |
|
204 | sdirs = [] | |
205 | for p in parts[:-1]: |
|
205 | for p in parts[:-1]: | |
206 | d = p[:_dirprefixlen] |
|
206 | d = p[:_dirprefixlen] | |
207 | if d[-1] in '. ': |
|
207 | if d[-1] in '. ': | |
208 | # Windows can't access dirs ending in period or space |
|
208 | # Windows can't access dirs ending in period or space | |
209 | d = d[:-1] + '_' |
|
209 | d = d[:-1] + '_' | |
210 | t = '/'.join(sdirs) + '/' + d |
|
210 | t = '/'.join(sdirs) + '/' + d | |
211 | if len(t) > _maxshortdirslen: |
|
211 | if len(t) > _maxshortdirslen: | |
212 | break |
|
212 | break | |
213 | sdirs.append(d) |
|
213 | sdirs.append(d) | |
214 | dirs = '/'.join(sdirs) |
|
214 | dirs = '/'.join(sdirs) | |
215 | if len(dirs) > 0: |
|
215 | if len(dirs) > 0: | |
216 | dirs += '/' |
|
216 | dirs += '/' | |
217 | res = 'dh/' + dirs + digest + ext |
|
217 | res = 'dh/' + dirs + digest + ext | |
218 | spaceleft = _maxstorepathlen - len(res) |
|
218 | spaceleft = _maxstorepathlen - len(res) | |
219 | if spaceleft > 0: |
|
219 | if spaceleft > 0: | |
220 | filler = basename[:spaceleft] |
|
220 | filler = basename[:spaceleft] | |
221 | res = 'dh/' + dirs + filler + digest + ext |
|
221 | res = 'dh/' + dirs + filler + digest + ext | |
222 | return res |
|
222 | return res | |
223 |
|
223 | |||
224 | def _calcmode(path): |
|
224 | def _calcmode(path): | |
225 | try: |
|
225 | try: | |
226 | # files in .hg/ will be created using this mode |
|
226 | # files in .hg/ will be created using this mode | |
227 | mode = os.stat(path).st_mode |
|
227 | mode = os.stat(path).st_mode | |
228 | # avoid some useless chmods |
|
228 | # avoid some useless chmods | |
229 | if (0777 & ~util.umask) == (0777 & mode): |
|
229 | if (0777 & ~util.umask) == (0777 & mode): | |
230 | mode = None |
|
230 | mode = None | |
231 | except OSError: |
|
231 | except OSError: | |
232 | mode = None |
|
232 | mode = None | |
233 | return mode |
|
233 | return mode | |
234 |
|
234 | |||
235 | _data = ('data 00manifest.d 00manifest.i 00changelog.d 00changelog.i' |
|
235 | _data = ('data 00manifest.d 00manifest.i 00changelog.d 00changelog.i' | |
236 | ' phaseroots obsstore') |
|
236 | ' phaseroots obsstore') | |
237 |
|
237 | |||
238 | class basicstore(object): |
|
238 | class basicstore(object): | |
239 | '''base class for local repository stores''' |
|
239 | '''base class for local repository stores''' | |
240 | def __init__(self, path, openertype): |
|
240 | def __init__(self, path, openertype): | |
241 | self.path = path |
|
241 | self.path = path | |
242 | self.createmode = _calcmode(path) |
|
242 | self.createmode = _calcmode(path) | |
243 | op = openertype(self.path) |
|
243 | op = openertype(self.path) | |
244 | op.createmode = self.createmode |
|
244 | op.createmode = self.createmode | |
245 | self.opener = scmutil.filteropener(op, encodedir) |
|
245 | self.opener = scmutil.filteropener(op, encodedir) | |
246 |
|
246 | |||
247 | def join(self, f): |
|
247 | def join(self, f): | |
248 | return self.path + '/' + encodedir(f) |
|
248 | return self.path + '/' + encodedir(f) | |
249 |
|
249 | |||
250 | def _walk(self, relpath, recurse): |
|
250 | def _walk(self, relpath, recurse): | |
251 | '''yields (unencoded, encoded, size)''' |
|
251 | '''yields (unencoded, encoded, size)''' | |
252 | path = self.path |
|
252 | path = self.path | |
253 | if relpath: |
|
253 | if relpath: | |
254 | path += '/' + relpath |
|
254 | path += '/' + relpath | |
255 | striplen = len(self.path) + 1 |
|
255 | striplen = len(self.path) + 1 | |
256 | l = [] |
|
256 | l = [] | |
257 | if os.path.isdir(path): |
|
257 | if os.path.isdir(path): | |
258 | visit = [path] |
|
258 | visit = [path] | |
259 | while visit: |
|
259 | while visit: | |
260 | p = visit.pop() |
|
260 | p = visit.pop() | |
261 | for f, kind, st in osutil.listdir(p, stat=True): |
|
261 | for f, kind, st in osutil.listdir(p, stat=True): | |
262 | fp = p + '/' + f |
|
262 | fp = p + '/' + f | |
263 | if kind == stat.S_IFREG and f[-2:] in ('.d', '.i'): |
|
263 | if kind == stat.S_IFREG and f[-2:] in ('.d', '.i'): | |
264 | n = util.pconvert(fp[striplen:]) |
|
264 | n = util.pconvert(fp[striplen:]) | |
265 | l.append((decodedir(n), n, st.st_size)) |
|
265 | l.append((decodedir(n), n, st.st_size)) | |
266 | elif kind == stat.S_IFDIR and recurse: |
|
266 | elif kind == stat.S_IFDIR and recurse: | |
267 | visit.append(fp) |
|
267 | visit.append(fp) | |
268 | l.sort() |
|
268 | l.sort() | |
269 | return l |
|
269 | return l | |
270 |
|
270 | |||
271 | def datafiles(self): |
|
271 | def datafiles(self): | |
272 | return self._walk('data', True) |
|
272 | return self._walk('data', True) | |
273 |
|
273 | |||
274 | def walk(self): |
|
274 | def walk(self): | |
275 | '''yields (unencoded, encoded, size)''' |
|
275 | '''yields (unencoded, encoded, size)''' | |
276 | # yield data files first |
|
276 | # yield data files first | |
277 | for x in self.datafiles(): |
|
277 | for x in self.datafiles(): | |
278 | yield x |
|
278 | yield x | |
279 | # yield manifest before changelog |
|
279 | # yield manifest before changelog | |
280 | for x in reversed(self._walk('', False)): |
|
280 | for x in reversed(self._walk('', False)): | |
281 | yield x |
|
281 | yield x | |
282 |
|
282 | |||
283 | def copylist(self): |
|
283 | def copylist(self): | |
284 | return ['requires'] + _data.split() |
|
284 | return ['requires'] + _data.split() | |
285 |
|
285 | |||
286 | def write(self): |
|
286 | def write(self): | |
287 | pass |
|
287 | pass | |
288 |
|
288 | |||
289 | class encodedstore(basicstore): |
|
289 | class encodedstore(basicstore): | |
290 | def __init__(self, path, openertype): |
|
290 | def __init__(self, path, openertype): | |
291 | self.path = path + '/store' |
|
291 | self.path = path + '/store' | |
292 | self.createmode = _calcmode(self.path) |
|
292 | self.createmode = _calcmode(self.path) | |
293 | op = openertype(self.path) |
|
293 | op = openertype(self.path) | |
294 | op.createmode = self.createmode |
|
294 | op.createmode = self.createmode | |
295 | self.opener = scmutil.filteropener(op, encodefilename) |
|
295 | self.opener = scmutil.filteropener(op, encodefilename) | |
296 |
|
296 | |||
297 | def datafiles(self): |
|
297 | def datafiles(self): | |
298 | for a, b, size in self._walk('data', True): |
|
298 | for a, b, size in self._walk('data', True): | |
299 | try: |
|
299 | try: | |
300 | a = decodefilename(a) |
|
300 | a = decodefilename(a) | |
301 | except KeyError: |
|
301 | except KeyError: | |
302 | a = None |
|
302 | a = None | |
303 | yield a, b, size |
|
303 | yield a, b, size | |
304 |
|
304 | |||
305 | def join(self, f): |
|
305 | def join(self, f): | |
306 | return self.path + '/' + encodefilename(f) |
|
306 | return self.path + '/' + encodefilename(f) | |
307 |
|
307 | |||
308 | def copylist(self): |
|
308 | def copylist(self): | |
309 | return (['requires', '00changelog.i'] + |
|
309 | return (['requires', '00changelog.i'] + | |
310 | ['store/' + f for f in _data.split()]) |
|
310 | ['store/' + f for f in _data.split()]) | |
311 |
|
311 | |||
312 | class fncache(object): |
|
312 | class fncache(object): | |
313 | # the filename used to be partially encoded |
|
313 | # the filename used to be partially encoded | |
314 | # hence the encodedir/decodedir dance |
|
314 | # hence the encodedir/decodedir dance | |
315 | def __init__(self, opener): |
|
315 | def __init__(self, opener): | |
316 | self.opener = opener |
|
316 | self.opener = opener | |
317 | self.entries = None |
|
317 | self.entries = None | |
318 | self._dirty = False |
|
318 | self._dirty = False | |
319 |
|
319 | |||
320 | def _load(self): |
|
320 | def _load(self): | |
321 | '''fill the entries from the fncache file''' |
|
321 | '''fill the entries from the fncache file''' | |
322 | self._dirty = False |
|
322 | self._dirty = False | |
323 | try: |
|
323 | try: | |
324 | fp = self.opener('fncache', mode='rb') |
|
324 | fp = self.opener('fncache', mode='rb') | |
325 | except IOError: |
|
325 | except IOError: | |
326 | # skip nonexistent file |
|
326 | # skip nonexistent file | |
327 | self.entries = set() |
|
327 | self.entries = set() | |
328 | return |
|
328 | return | |
329 | self.entries = set(map(decodedir, fp.read().splitlines())) |
|
329 | self.entries = set(map(decodedir, fp.read().splitlines())) | |
330 | if '' in self.entries: |
|
330 | if '' in self.entries: | |
331 | fp.seek(0) |
|
331 | fp.seek(0) | |
332 | for n, line in enumerate(fp): |
|
332 | for n, line in enumerate(fp): | |
333 | if not line.rstrip('\n'): |
|
333 | if not line.rstrip('\n'): | |
334 | t = _('invalid entry in fncache, line %s') % (n + 1) |
|
334 | t = _('invalid entry in fncache, line %s') % (n + 1) | |
335 | raise util.Abort(t) |
|
335 | raise util.Abort(t) | |
336 | fp.close() |
|
336 | fp.close() | |
337 |
|
337 | |||
338 | def _write(self, files, atomictemp): |
|
338 | def _write(self, files, atomictemp): | |
339 | fp = self.opener('fncache', mode='wb', atomictemp=atomictemp) |
|
339 | fp = self.opener('fncache', mode='wb', atomictemp=atomictemp) | |
340 | if files: |
|
340 | if files: | |
341 | fp.write('\n'.join(map(encodedir, files)) + '\n') |
|
341 | fp.write('\n'.join(map(encodedir, files)) + '\n') | |
342 | fp.close() |
|
342 | fp.close() | |
343 | self._dirty = False |
|
343 | self._dirty = False | |
344 |
|
344 | |||
345 | def rewrite(self, files): |
|
345 | def rewrite(self, files): | |
346 | self._write(files, False) |
|
346 | self._write(files, False) | |
347 | self.entries = set(files) |
|
347 | self.entries = set(files) | |
348 |
|
348 | |||
349 | def write(self): |
|
349 | def write(self): | |
350 | if self._dirty: |
|
350 | if self._dirty: | |
351 | self._write(self.entries, True) |
|
351 | self._write(self.entries, True) | |
352 |
|
352 | |||
353 | def add(self, fn): |
|
353 | def add(self, fn): | |
354 | if self.entries is None: |
|
354 | if self.entries is None: | |
355 | self._load() |
|
355 | self._load() | |
356 | if fn not in self.entries: |
|
356 | if fn not in self.entries: | |
357 | self._dirty = True |
|
357 | self._dirty = True | |
358 | self.entries.add(fn) |
|
358 | self.entries.add(fn) | |
359 |
|
359 | |||
360 | def __contains__(self, fn): |
|
360 | def __contains__(self, fn): | |
361 | if self.entries is None: |
|
361 | if self.entries is None: | |
362 | self._load() |
|
362 | self._load() | |
363 | return fn in self.entries |
|
363 | return fn in self.entries | |
364 |
|
364 | |||
365 | def __iter__(self): |
|
365 | def __iter__(self): | |
366 | if self.entries is None: |
|
366 | if self.entries is None: | |
367 | self._load() |
|
367 | self._load() | |
368 | return iter(self.entries) |
|
368 | return iter(self.entries) | |
369 |
|
369 | |||
370 | class _fncacheopener(scmutil.abstractopener): |
|
370 | class _fncacheopener(scmutil.abstractopener): | |
371 | def __init__(self, op, fnc, encode): |
|
371 | def __init__(self, op, fnc, encode): | |
372 | self.opener = op |
|
372 | self.opener = op | |
373 | self.fncache = fnc |
|
373 | self.fncache = fnc | |
374 | self.encode = encode |
|
374 | self.encode = encode | |
375 |
|
375 | |||
376 | def __call__(self, path, mode='r', *args, **kw): |
|
376 | def __call__(self, path, mode='r', *args, **kw): | |
377 | if mode not in ('r', 'rb') and path.startswith('data/'): |
|
377 | if mode not in ('r', 'rb') and path.startswith('data/'): | |
378 | self.fncache.add(path) |
|
378 | self.fncache.add(path) | |
379 | return self.opener(self.encode(path), mode, *args, **kw) |
|
379 | return self.opener(self.encode(path), mode, *args, **kw) | |
380 |
|
380 | |||
381 | class fncachestore(basicstore): |
|
381 | class fncachestore(basicstore): | |
382 | def __init__(self, path, openertype, encode): |
|
382 | def __init__(self, path, openertype, encode): | |
383 | self.encode = encode |
|
383 | self.encode = encode | |
384 | self.path = path + '/store' |
|
384 | self.path = path + '/store' | |
385 | self.createmode = _calcmode(self.path) |
|
385 | self.createmode = _calcmode(self.path) | |
386 | op = openertype(self.path) |
|
386 | op = openertype(self.path) | |
387 | op.createmode = self.createmode |
|
387 | op.createmode = self.createmode | |
388 | fnc = fncache(op) |
|
388 | fnc = fncache(op) | |
389 | self.fncache = fnc |
|
389 | self.fncache = fnc | |
390 | self.opener = _fncacheopener(op, fnc, encode) |
|
390 | self.opener = _fncacheopener(op, fnc, encode) | |
391 |
|
391 | |||
392 | def join(self, f): |
|
392 | def join(self, f): | |
393 | return self.path + '/' + self.encode(f) |
|
393 | return self.path + '/' + self.encode(f) | |
394 |
|
394 | |||
395 | def getsize(self, path): |
|
395 | def getsize(self, path): | |
396 | return os.stat(self.path + '/' + path).st_size |
|
396 | return os.stat(self.path + '/' + path).st_size | |
397 |
|
397 | |||
398 | def datafiles(self): |
|
398 | def datafiles(self): | |
399 | rewrite = False |
|
399 | rewrite = False | |
400 | existing = [] |
|
400 | existing = [] | |
401 | for f in sorted(self.fncache): |
|
401 | for f in sorted(self.fncache): | |
402 | ef = self.encode(f) |
|
402 | ef = self.encode(f) | |
403 | try: |
|
403 | try: | |
404 | yield f, ef, self.getsize(ef) |
|
404 | yield f, ef, self.getsize(ef) | |
405 | existing.append(f) |
|
405 | existing.append(f) | |
406 | except OSError: |
|
406 | except OSError, err: | |
|
407 | if err.errno != errno.ENOENT: | |||
|
408 | raise | |||
407 | # nonexistent entry |
|
409 | # nonexistent entry | |
408 | rewrite = True |
|
410 | rewrite = True | |
409 | if rewrite: |
|
411 | if rewrite: | |
410 | # rewrite fncache to remove nonexistent entries |
|
412 | # rewrite fncache to remove nonexistent entries | |
411 | # (may be caused by rollback / strip) |
|
413 | # (may be caused by rollback / strip) | |
412 | self.fncache.rewrite(existing) |
|
414 | self.fncache.rewrite(existing) | |
413 |
|
415 | |||
414 | def copylist(self): |
|
416 | def copylist(self): | |
415 | d = ('data dh fncache phaseroots obsstore' |
|
417 | d = ('data dh fncache phaseroots obsstore' | |
416 | ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') |
|
418 | ' 00manifest.d 00manifest.i 00changelog.d 00changelog.i') | |
417 | return (['requires', '00changelog.i'] + |
|
419 | return (['requires', '00changelog.i'] + | |
418 | ['store/' + f for f in d.split()]) |
|
420 | ['store/' + f for f in d.split()]) | |
419 |
|
421 | |||
420 | def write(self): |
|
422 | def write(self): | |
421 | self.fncache.write() |
|
423 | self.fncache.write() | |
422 |
|
424 | |||
423 | def store(requirements, path, openertype): |
|
425 | def store(requirements, path, openertype): | |
424 | if 'store' in requirements: |
|
426 | if 'store' in requirements: | |
425 | if 'fncache' in requirements: |
|
427 | if 'fncache' in requirements: | |
426 | auxencode = lambda f: _auxencode(f, 'dotencode' in requirements) |
|
428 | auxencode = lambda f: _auxencode(f, 'dotencode' in requirements) | |
427 | encode = lambda f: _hybridencode(f, auxencode) |
|
429 | encode = lambda f: _hybridencode(f, auxencode) | |
428 | return fncachestore(path, openertype, encode) |
|
430 | return fncachestore(path, openertype, encode) | |
429 | return encodedstore(path, openertype) |
|
431 | return encodedstore(path, openertype) | |
430 | return basicstore(path, openertype) |
|
432 | return basicstore(path, openertype) |
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