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@@ -1,417 +1,417 b'' | |||||
1 | # changelog.py - changelog class for mercurial |
|
1 | # changelog.py - changelog class for mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2005-2007 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 | from .i18n import _ |
|
10 | from .i18n import _ | |
11 | from .node import ( |
|
11 | from .node import ( | |
12 | bin, |
|
12 | bin, | |
13 | hex, |
|
13 | hex, | |
14 | nullid, |
|
14 | nullid, | |
15 | ) |
|
15 | ) | |
16 |
|
16 | |||
17 | from . import ( |
|
17 | from . import ( | |
18 | encoding, |
|
18 | encoding, | |
19 | error, |
|
19 | error, | |
20 | revlog, |
|
20 | revlog, | |
21 | util, |
|
21 | util, | |
22 | ) |
|
22 | ) | |
23 |
|
23 | |||
24 | _defaultextra = {'branch': 'default'} |
|
24 | _defaultextra = {'branch': 'default'} | |
25 |
|
25 | |||
26 | def _string_escape(text): |
|
26 | def _string_escape(text): | |
27 | """ |
|
27 | """ | |
28 | >>> d = {'nl': chr(10), 'bs': chr(92), 'cr': chr(13), 'nul': chr(0)} |
|
28 | >>> d = {'nl': chr(10), 'bs': chr(92), 'cr': chr(13), 'nul': chr(0)} | |
29 | >>> s = "ab%(nl)scd%(bs)s%(bs)sn%(nul)sab%(cr)scd%(bs)s%(nl)s" % d |
|
29 | >>> s = "ab%(nl)scd%(bs)s%(bs)sn%(nul)sab%(cr)scd%(bs)s%(nl)s" % d | |
30 | >>> s |
|
30 | >>> s | |
31 | 'ab\\ncd\\\\\\\\n\\x00ab\\rcd\\\\\\n' |
|
31 | 'ab\\ncd\\\\\\\\n\\x00ab\\rcd\\\\\\n' | |
32 | >>> res = _string_escape(s) |
|
32 | >>> res = _string_escape(s) | |
33 | >>> s == res.decode('string_escape') |
|
33 | >>> s == res.decode('string_escape') | |
34 | True |
|
34 | True | |
35 | """ |
|
35 | """ | |
36 | # subset of the string_escape codec |
|
36 | # subset of the string_escape codec | |
37 | text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') |
|
37 | text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') | |
38 | return text.replace('\0', '\\0') |
|
38 | return text.replace('\0', '\\0') | |
39 |
|
39 | |||
40 | def decodeextra(text): |
|
40 | def decodeextra(text): | |
41 | """ |
|
41 | """ | |
42 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', 'baz': chr(0) + '2'}) |
|
42 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', 'baz': chr(0) + '2'}) | |
43 | ... ).iteritems()) |
|
43 | ... ).iteritems()) | |
44 | [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] |
|
44 | [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] | |
45 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', |
|
45 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', | |
46 | ... 'baz': chr(92) + chr(0) + '2'}) |
|
46 | ... 'baz': chr(92) + chr(0) + '2'}) | |
47 | ... ).iteritems()) |
|
47 | ... ).iteritems()) | |
48 | [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] |
|
48 | [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] | |
49 | """ |
|
49 | """ | |
50 | extra = _defaultextra.copy() |
|
50 | extra = _defaultextra.copy() | |
51 | for l in text.split('\0'): |
|
51 | for l in text.split('\0'): | |
52 | if l: |
|
52 | if l: | |
53 | if '\\0' in l: |
|
53 | if '\\0' in l: | |
54 | # fix up \0 without getting into trouble with \\0 |
|
54 | # fix up \0 without getting into trouble with \\0 | |
55 | l = l.replace('\\\\', '\\\\\n') |
|
55 | l = l.replace('\\\\', '\\\\\n') | |
56 | l = l.replace('\\0', '\0') |
|
56 | l = l.replace('\\0', '\0') | |
57 | l = l.replace('\n', '') |
|
57 | l = l.replace('\n', '') | |
58 | k, v = l.decode('string_escape').split(':', 1) |
|
58 | k, v = l.decode('string_escape').split(':', 1) | |
59 | extra[k] = v |
|
59 | extra[k] = v | |
60 | return extra |
|
60 | return extra | |
61 |
|
61 | |||
62 | def encodeextra(d): |
|
62 | def encodeextra(d): | |
63 | # keys must be sorted to produce a deterministic changelog entry |
|
63 | # keys must be sorted to produce a deterministic changelog entry | |
64 | items = [_string_escape('%s:%s' % (k, d[k])) for k in sorted(d)] |
|
64 | items = [_string_escape('%s:%s' % (k, d[k])) for k in sorted(d)] | |
65 | return "\0".join(items) |
|
65 | return "\0".join(items) | |
66 |
|
66 | |||
67 | def stripdesc(desc): |
|
67 | def stripdesc(desc): | |
68 | """strip trailing whitespace and leading and trailing empty lines""" |
|
68 | """strip trailing whitespace and leading and trailing empty lines""" | |
69 | return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') |
|
69 | return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') | |
70 |
|
70 | |||
71 | class appender(object): |
|
71 | class appender(object): | |
72 | '''the changelog index must be updated last on disk, so we use this class |
|
72 | '''the changelog index must be updated last on disk, so we use this class | |
73 | to delay writes to it''' |
|
73 | to delay writes to it''' | |
74 | def __init__(self, vfs, name, mode, buf): |
|
74 | def __init__(self, vfs, name, mode, buf): | |
75 | self.data = buf |
|
75 | self.data = buf | |
76 | fp = vfs(name, mode) |
|
76 | fp = vfs(name, mode) | |
77 | self.fp = fp |
|
77 | self.fp = fp | |
78 | self.offset = fp.tell() |
|
78 | self.offset = fp.tell() | |
79 | self.size = vfs.fstat(fp).st_size |
|
79 | self.size = vfs.fstat(fp).st_size | |
80 |
|
80 | |||
81 | def end(self): |
|
81 | def end(self): | |
82 | return self.size + len("".join(self.data)) |
|
82 | return self.size + len("".join(self.data)) | |
83 | def tell(self): |
|
83 | def tell(self): | |
84 | return self.offset |
|
84 | return self.offset | |
85 | def flush(self): |
|
85 | def flush(self): | |
86 | pass |
|
86 | pass | |
87 | def close(self): |
|
87 | def close(self): | |
88 | self.fp.close() |
|
88 | self.fp.close() | |
89 |
|
89 | |||
90 | def seek(self, offset, whence=0): |
|
90 | def seek(self, offset, whence=0): | |
91 | '''virtual file offset spans real file and data''' |
|
91 | '''virtual file offset spans real file and data''' | |
92 | if whence == 0: |
|
92 | if whence == 0: | |
93 | self.offset = offset |
|
93 | self.offset = offset | |
94 | elif whence == 1: |
|
94 | elif whence == 1: | |
95 | self.offset += offset |
|
95 | self.offset += offset | |
96 | elif whence == 2: |
|
96 | elif whence == 2: | |
97 | self.offset = self.end() + offset |
|
97 | self.offset = self.end() + offset | |
98 | if self.offset < self.size: |
|
98 | if self.offset < self.size: | |
99 | self.fp.seek(self.offset) |
|
99 | self.fp.seek(self.offset) | |
100 |
|
100 | |||
101 | def read(self, count=-1): |
|
101 | def read(self, count=-1): | |
102 | '''only trick here is reads that span real file and data''' |
|
102 | '''only trick here is reads that span real file and data''' | |
103 | ret = "" |
|
103 | ret = "" | |
104 | if self.offset < self.size: |
|
104 | if self.offset < self.size: | |
105 | s = self.fp.read(count) |
|
105 | s = self.fp.read(count) | |
106 | ret = s |
|
106 | ret = s | |
107 | self.offset += len(s) |
|
107 | self.offset += len(s) | |
108 | if count > 0: |
|
108 | if count > 0: | |
109 | count -= len(s) |
|
109 | count -= len(s) | |
110 | if count != 0: |
|
110 | if count != 0: | |
111 | doff = self.offset - self.size |
|
111 | doff = self.offset - self.size | |
112 | self.data.insert(0, "".join(self.data)) |
|
112 | self.data.insert(0, "".join(self.data)) | |
113 | del self.data[1:] |
|
113 | del self.data[1:] | |
114 | s = self.data[0][doff:doff + count] |
|
114 | s = self.data[0][doff:doff + count] | |
115 | self.offset += len(s) |
|
115 | self.offset += len(s) | |
116 | ret += s |
|
116 | ret += s | |
117 | return ret |
|
117 | return ret | |
118 |
|
118 | |||
119 | def write(self, s): |
|
119 | def write(self, s): | |
120 | self.data.append(str(s)) |
|
120 | self.data.append(str(s)) | |
121 | self.offset += len(s) |
|
121 | self.offset += len(s) | |
122 |
|
122 | |||
123 | def _divertopener(opener, target): |
|
123 | def _divertopener(opener, target): | |
124 | """build an opener that writes in 'target.a' instead of 'target'""" |
|
124 | """build an opener that writes in 'target.a' instead of 'target'""" | |
125 | def _divert(name, mode='r'): |
|
125 | def _divert(name, mode='r'): | |
126 | if name != target: |
|
126 | if name != target: | |
127 | return opener(name, mode) |
|
127 | return opener(name, mode) | |
128 | return opener(name + ".a", mode) |
|
128 | return opener(name + ".a", mode) | |
129 | return _divert |
|
129 | return _divert | |
130 |
|
130 | |||
131 | def _delayopener(opener, target, buf): |
|
131 | def _delayopener(opener, target, buf): | |
132 | """build an opener that stores chunks in 'buf' instead of 'target'""" |
|
132 | """build an opener that stores chunks in 'buf' instead of 'target'""" | |
133 | def _delay(name, mode='r'): |
|
133 | def _delay(name, mode='r'): | |
134 | if name != target: |
|
134 | if name != target: | |
135 | return opener(name, mode) |
|
135 | return opener(name, mode) | |
136 | return appender(opener, name, mode, buf) |
|
136 | return appender(opener, name, mode, buf) | |
137 | return _delay |
|
137 | return _delay | |
138 |
|
138 | |||
139 | class changelog(revlog.revlog): |
|
139 | class changelog(revlog.revlog): | |
140 | def __init__(self, opener): |
|
140 | def __init__(self, opener): | |
141 | revlog.revlog.__init__(self, opener, "00changelog.i") |
|
141 | revlog.revlog.__init__(self, opener, "00changelog.i") | |
142 | if self._initempty: |
|
142 | if self._initempty: | |
143 | # changelogs don't benefit from generaldelta |
|
143 | # changelogs don't benefit from generaldelta | |
144 | self.version &= ~revlog.REVLOGGENERALDELTA |
|
144 | self.version &= ~revlog.REVLOGGENERALDELTA | |
145 | self._generaldelta = False |
|
145 | self._generaldelta = False | |
146 | self._realopener = opener |
|
146 | self._realopener = opener | |
147 | self._delayed = False |
|
147 | self._delayed = False | |
148 | self._delaybuf = None |
|
148 | self._delaybuf = None | |
149 | self._divert = False |
|
149 | self._divert = False | |
150 | self.filteredrevs = frozenset() |
|
150 | self.filteredrevs = frozenset() | |
151 |
|
151 | |||
152 | def tip(self): |
|
152 | def tip(self): | |
153 | """filtered version of revlog.tip""" |
|
153 | """filtered version of revlog.tip""" | |
154 | for i in xrange(len(self) -1, -2, -1): |
|
154 | for i in xrange(len(self) -1, -2, -1): | |
155 | if i not in self.filteredrevs: |
|
155 | if i not in self.filteredrevs: | |
156 | return self.node(i) |
|
156 | return self.node(i) | |
157 |
|
157 | |||
158 | def __contains__(self, rev): |
|
158 | def __contains__(self, rev): | |
159 | """filtered version of revlog.__contains__""" |
|
159 | """filtered version of revlog.__contains__""" | |
160 | return (0 <= rev < len(self) |
|
160 | return (0 <= rev < len(self) | |
161 | and rev not in self.filteredrevs) |
|
161 | and rev not in self.filteredrevs) | |
162 |
|
162 | |||
163 | def __iter__(self): |
|
163 | def __iter__(self): | |
164 | """filtered version of revlog.__iter__""" |
|
164 | """filtered version of revlog.__iter__""" | |
165 | if len(self.filteredrevs) == 0: |
|
165 | if len(self.filteredrevs) == 0: | |
166 | return revlog.revlog.__iter__(self) |
|
166 | return revlog.revlog.__iter__(self) | |
167 |
|
167 | |||
168 | def filterediter(): |
|
168 | def filterediter(): | |
169 | for i in xrange(len(self)): |
|
169 | for i in xrange(len(self)): | |
170 | if i not in self.filteredrevs: |
|
170 | if i not in self.filteredrevs: | |
171 | yield i |
|
171 | yield i | |
172 |
|
172 | |||
173 | return filterediter() |
|
173 | return filterediter() | |
174 |
|
174 | |||
175 | def revs(self, start=0, stop=None): |
|
175 | def revs(self, start=0, stop=None): | |
176 | """filtered version of revlog.revs""" |
|
176 | """filtered version of revlog.revs""" | |
177 | for i in super(changelog, self).revs(start, stop): |
|
177 | for i in super(changelog, self).revs(start, stop): | |
178 | if i not in self.filteredrevs: |
|
178 | if i not in self.filteredrevs: | |
179 | yield i |
|
179 | yield i | |
180 |
|
180 | |||
181 | @util.propertycache |
|
181 | @util.propertycache | |
182 | def nodemap(self): |
|
182 | def nodemap(self): | |
183 | # XXX need filtering too |
|
183 | # XXX need filtering too | |
184 | self.rev(self.node(0)) |
|
184 | self.rev(self.node(0)) | |
185 | return self._nodecache |
|
185 | return self._nodecache | |
186 |
|
186 | |||
187 | def reachableroots(self, minroot, heads, roots, includepath=False): |
|
187 | def reachableroots(self, minroot, heads, roots, includepath=False): | |
188 | return self.index.reachableroots2(minroot, heads, roots, includepath) |
|
188 | return self.index.reachableroots2(minroot, heads, roots, includepath) | |
189 |
|
189 | |||
190 | def headrevs(self): |
|
190 | def headrevs(self): | |
191 | if self.filteredrevs: |
|
191 | if self.filteredrevs: | |
192 | try: |
|
192 | try: | |
193 | return self.index.headrevsfiltered(self.filteredrevs) |
|
193 | return self.index.headrevsfiltered(self.filteredrevs) | |
194 | # AttributeError covers non-c-extension environments and |
|
194 | # AttributeError covers non-c-extension environments and | |
195 | # old c extensions without filter handling. |
|
195 | # old c extensions without filter handling. | |
196 | except AttributeError: |
|
196 | except AttributeError: | |
197 | return self._headrevs() |
|
197 | return self._headrevs() | |
198 |
|
198 | |||
199 | return super(changelog, self).headrevs() |
|
199 | return super(changelog, self).headrevs() | |
200 |
|
200 | |||
201 | def strip(self, *args, **kwargs): |
|
201 | def strip(self, *args, **kwargs): | |
202 | # XXX make something better than assert |
|
202 | # XXX make something better than assert | |
203 | # We can't expect proper strip behavior if we are filtered. |
|
203 | # We can't expect proper strip behavior if we are filtered. | |
204 | assert not self.filteredrevs |
|
204 | assert not self.filteredrevs | |
205 | super(changelog, self).strip(*args, **kwargs) |
|
205 | super(changelog, self).strip(*args, **kwargs) | |
206 |
|
206 | |||
207 | def rev(self, node): |
|
207 | def rev(self, node): | |
208 | """filtered version of revlog.rev""" |
|
208 | """filtered version of revlog.rev""" | |
209 | r = super(changelog, self).rev(node) |
|
209 | r = super(changelog, self).rev(node) | |
210 | if r in self.filteredrevs: |
|
210 | if r in self.filteredrevs: | |
211 | raise error.FilteredLookupError(hex(node), self.indexfile, |
|
211 | raise error.FilteredLookupError(hex(node), self.indexfile, | |
212 | _('filtered node')) |
|
212 | _('filtered node')) | |
213 | return r |
|
213 | return r | |
214 |
|
214 | |||
215 | def node(self, rev): |
|
215 | def node(self, rev): | |
216 | """filtered version of revlog.node""" |
|
216 | """filtered version of revlog.node""" | |
217 | if rev in self.filteredrevs: |
|
217 | if rev in self.filteredrevs: | |
218 | raise error.FilteredIndexError(rev) |
|
218 | raise error.FilteredIndexError(rev) | |
219 | return super(changelog, self).node(rev) |
|
219 | return super(changelog, self).node(rev) | |
220 |
|
220 | |||
221 | def linkrev(self, rev): |
|
221 | def linkrev(self, rev): | |
222 | """filtered version of revlog.linkrev""" |
|
222 | """filtered version of revlog.linkrev""" | |
223 | if rev in self.filteredrevs: |
|
223 | if rev in self.filteredrevs: | |
224 | raise error.FilteredIndexError(rev) |
|
224 | raise error.FilteredIndexError(rev) | |
225 | return super(changelog, self).linkrev(rev) |
|
225 | return super(changelog, self).linkrev(rev) | |
226 |
|
226 | |||
227 | def parentrevs(self, rev): |
|
227 | def parentrevs(self, rev): | |
228 | """filtered version of revlog.parentrevs""" |
|
228 | """filtered version of revlog.parentrevs""" | |
229 | if rev in self.filteredrevs: |
|
229 | if rev in self.filteredrevs: | |
230 | raise error.FilteredIndexError(rev) |
|
230 | raise error.FilteredIndexError(rev) | |
231 | return super(changelog, self).parentrevs(rev) |
|
231 | return super(changelog, self).parentrevs(rev) | |
232 |
|
232 | |||
233 | def flags(self, rev): |
|
233 | def flags(self, rev): | |
234 | """filtered version of revlog.flags""" |
|
234 | """filtered version of revlog.flags""" | |
235 | if rev in self.filteredrevs: |
|
235 | if rev in self.filteredrevs: | |
236 | raise error.FilteredIndexError(rev) |
|
236 | raise error.FilteredIndexError(rev) | |
237 | return super(changelog, self).flags(rev) |
|
237 | return super(changelog, self).flags(rev) | |
238 |
|
238 | |||
239 | def delayupdate(self, tr): |
|
239 | def delayupdate(self, tr): | |
240 | "delay visibility of index updates to other readers" |
|
240 | "delay visibility of index updates to other readers" | |
241 |
|
241 | |||
242 | if not self._delayed: |
|
242 | if not self._delayed: | |
243 | if len(self) == 0: |
|
243 | if len(self) == 0: | |
244 | self._divert = True |
|
244 | self._divert = True | |
245 | if self._realopener.exists(self.indexfile + '.a'): |
|
245 | if self._realopener.exists(self.indexfile + '.a'): | |
246 | self._realopener.unlink(self.indexfile + '.a') |
|
246 | self._realopener.unlink(self.indexfile + '.a') | |
247 | self.opener = _divertopener(self._realopener, self.indexfile) |
|
247 | self.opener = _divertopener(self._realopener, self.indexfile) | |
248 | else: |
|
248 | else: | |
249 | self._delaybuf = [] |
|
249 | self._delaybuf = [] | |
250 | self.opener = _delayopener(self._realopener, self.indexfile, |
|
250 | self.opener = _delayopener(self._realopener, self.indexfile, | |
251 | self._delaybuf) |
|
251 | self._delaybuf) | |
252 | self._delayed = True |
|
252 | self._delayed = True | |
253 | tr.addpending('cl-%i' % id(self), self._writepending) |
|
253 | tr.addpending('cl-%i' % id(self), self._writepending) | |
254 | tr.addfinalize('cl-%i' % id(self), self._finalize) |
|
254 | tr.addfinalize('cl-%i' % id(self), self._finalize) | |
255 |
|
255 | |||
256 | def _finalize(self, tr): |
|
256 | def _finalize(self, tr): | |
257 | "finalize index updates" |
|
257 | "finalize index updates" | |
258 | self._delayed = False |
|
258 | self._delayed = False | |
259 | self.opener = self._realopener |
|
259 | self.opener = self._realopener | |
260 | # move redirected index data back into place |
|
260 | # move redirected index data back into place | |
261 | if self._divert: |
|
261 | if self._divert: | |
262 | assert not self._delaybuf |
|
262 | assert not self._delaybuf | |
263 | tmpname = self.indexfile + ".a" |
|
263 | tmpname = self.indexfile + ".a" | |
264 | nfile = self.opener.open(tmpname) |
|
264 | nfile = self.opener.open(tmpname) | |
265 | nfile.close() |
|
265 | nfile.close() | |
266 | self.opener.rename(tmpname, self.indexfile) |
|
266 | self.opener.rename(tmpname, self.indexfile) | |
267 | elif self._delaybuf: |
|
267 | elif self._delaybuf: | |
268 | fp = self.opener(self.indexfile, 'a') |
|
268 | fp = self.opener(self.indexfile, 'a') | |
269 | fp.write("".join(self._delaybuf)) |
|
269 | fp.write("".join(self._delaybuf)) | |
270 | fp.close() |
|
270 | fp.close() | |
271 | self._delaybuf = None |
|
271 | self._delaybuf = None | |
272 | self._divert = False |
|
272 | self._divert = False | |
273 | # split when we're done |
|
273 | # split when we're done | |
274 | self.checkinlinesize(tr) |
|
274 | self.checkinlinesize(tr) | |
275 |
|
275 | |||
276 | def readpending(self, file): |
|
276 | def readpending(self, file): | |
277 | """read index data from a "pending" file |
|
277 | """read index data from a "pending" file | |
278 |
|
278 | |||
279 | During a transaction, the actual changeset data is already stored in the |
|
279 | During a transaction, the actual changeset data is already stored in the | |
280 | main file, but not yet finalized in the on-disk index. Instead, a |
|
280 | main file, but not yet finalized in the on-disk index. Instead, a | |
281 | "pending" index is written by the transaction logic. If this function |
|
281 | "pending" index is written by the transaction logic. If this function | |
282 | is running, we are likely in a subprocess invoked in a hook. The |
|
282 | is running, we are likely in a subprocess invoked in a hook. The | |
283 | subprocess is informed that it is within a transaction and needs to |
|
283 | subprocess is informed that it is within a transaction and needs to | |
284 | access its content. |
|
284 | access its content. | |
285 |
|
285 | |||
286 | This function will read all the index data out of the pending file and |
|
286 | This function will read all the index data out of the pending file and | |
287 | overwrite the main index.""" |
|
287 | overwrite the main index.""" | |
288 |
|
288 | |||
289 | if not self.opener.exists(file): |
|
289 | if not self.opener.exists(file): | |
290 | return # no pending data for changelog |
|
290 | return # no pending data for changelog | |
291 | r = revlog.revlog(self.opener, file) |
|
291 | r = revlog.revlog(self.opener, file) | |
292 | self.index = r.index |
|
292 | self.index = r.index | |
293 | self.nodemap = r.nodemap |
|
293 | self.nodemap = r.nodemap | |
294 | self._nodecache = r._nodecache |
|
294 | self._nodecache = r._nodecache | |
295 | self._chunkcache = r._chunkcache |
|
295 | self._chunkcache = r._chunkcache | |
296 |
|
296 | |||
297 | def _writepending(self, tr): |
|
297 | def _writepending(self, tr): | |
298 | "create a file containing the unfinalized state for pretxnchangegroup" |
|
298 | "create a file containing the unfinalized state for pretxnchangegroup" | |
299 | if self._delaybuf: |
|
299 | if self._delaybuf: | |
300 | # make a temporary copy of the index |
|
300 | # make a temporary copy of the index | |
301 | fp1 = self._realopener(self.indexfile) |
|
301 | fp1 = self._realopener(self.indexfile) | |
302 | pendingfilename = self.indexfile + ".a" |
|
302 | pendingfilename = self.indexfile + ".a" | |
303 | # register as a temp file to ensure cleanup on failure |
|
303 | # register as a temp file to ensure cleanup on failure | |
304 | tr.registertmp(pendingfilename) |
|
304 | tr.registertmp(pendingfilename) | |
305 | # write existing data |
|
305 | # write existing data | |
306 | fp2 = self._realopener(pendingfilename, "w") |
|
306 | fp2 = self._realopener(pendingfilename, "w") | |
307 | fp2.write(fp1.read()) |
|
307 | fp2.write(fp1.read()) | |
308 | # add pending data |
|
308 | # add pending data | |
309 | fp2.write("".join(self._delaybuf)) |
|
309 | fp2.write("".join(self._delaybuf)) | |
310 | fp2.close() |
|
310 | fp2.close() | |
311 | # switch modes so finalize can simply rename |
|
311 | # switch modes so finalize can simply rename | |
312 | self._delaybuf = None |
|
312 | self._delaybuf = None | |
313 | self._divert = True |
|
313 | self._divert = True | |
314 | self.opener = _divertopener(self._realopener, self.indexfile) |
|
314 | self.opener = _divertopener(self._realopener, self.indexfile) | |
315 |
|
315 | |||
316 | if self._divert: |
|
316 | if self._divert: | |
317 | return True |
|
317 | return True | |
318 |
|
318 | |||
319 | return False |
|
319 | return False | |
320 |
|
320 | |||
321 | def checkinlinesize(self, tr, fp=None): |
|
321 | def checkinlinesize(self, tr, fp=None): | |
322 | if not self._delayed: |
|
322 | if not self._delayed: | |
323 | revlog.revlog.checkinlinesize(self, tr, fp) |
|
323 | revlog.revlog.checkinlinesize(self, tr, fp) | |
324 |
|
324 | |||
325 | def read(self, node): |
|
325 | def read(self, node): | |
326 | """ |
|
326 | """ | |
327 | format used: |
|
327 | format used: | |
328 | nodeid\n : manifest node in ascii |
|
328 | nodeid\n : manifest node in ascii | |
329 | user\n : user, no \n or \r allowed |
|
329 | user\n : user, no \n or \r allowed | |
330 | time tz extra\n : date (time is int or float, timezone is int) |
|
330 | time tz extra\n : date (time is int or float, timezone is int) | |
331 | : extra is metadata, encoded and separated by '\0' |
|
331 | : extra is metadata, encoded and separated by '\0' | |
332 | : older versions ignore it |
|
332 | : older versions ignore it | |
333 | files\n\n : files modified by the cset, no \n or \r allowed |
|
333 | files\n\n : files modified by the cset, no \n or \r allowed | |
334 | (.*) : comment (free text, ideally utf-8) |
|
334 | (.*) : comment (free text, ideally utf-8) | |
335 |
|
335 | |||
336 | changelog v0 doesn't use extra |
|
336 | changelog v0 doesn't use extra | |
337 | """ |
|
337 | """ | |
338 | text = self.revision(node) |
|
338 | text = self.revision(node) | |
339 | if not text: |
|
339 | if not text: | |
340 |
return |
|
340 | return nullid, "", (0, 0), [], "", _defaultextra | |
341 | last = text.index("\n\n") |
|
341 | last = text.index("\n\n") | |
342 | desc = encoding.tolocal(text[last + 2:]) |
|
342 | desc = encoding.tolocal(text[last + 2:]) | |
343 | l = text[:last].split('\n') |
|
343 | l = text[:last].split('\n') | |
344 | manifest = bin(l[0]) |
|
344 | manifest = bin(l[0]) | |
345 | user = encoding.tolocal(l[1]) |
|
345 | user = encoding.tolocal(l[1]) | |
346 |
|
346 | |||
347 | tdata = l[2].split(' ', 2) |
|
347 | tdata = l[2].split(' ', 2) | |
348 | if len(tdata) != 3: |
|
348 | if len(tdata) != 3: | |
349 | time = float(tdata[0]) |
|
349 | time = float(tdata[0]) | |
350 | try: |
|
350 | try: | |
351 | # various tools did silly things with the time zone field. |
|
351 | # various tools did silly things with the time zone field. | |
352 | timezone = int(tdata[1]) |
|
352 | timezone = int(tdata[1]) | |
353 | except ValueError: |
|
353 | except ValueError: | |
354 | timezone = 0 |
|
354 | timezone = 0 | |
355 | extra = _defaultextra |
|
355 | extra = _defaultextra | |
356 | else: |
|
356 | else: | |
357 | time, timezone = float(tdata[0]), int(tdata[1]) |
|
357 | time, timezone = float(tdata[0]), int(tdata[1]) | |
358 | extra = decodeextra(tdata[2]) |
|
358 | extra = decodeextra(tdata[2]) | |
359 |
|
359 | |||
360 | files = l[3:] |
|
360 | files = l[3:] | |
361 |
return |
|
361 | return manifest, user, (time, timezone), files, desc, extra | |
362 |
|
362 | |||
363 | def readfiles(self, node): |
|
363 | def readfiles(self, node): | |
364 | """ |
|
364 | """ | |
365 | short version of read that only returns the files modified by the cset |
|
365 | short version of read that only returns the files modified by the cset | |
366 | """ |
|
366 | """ | |
367 | text = self.revision(node) |
|
367 | text = self.revision(node) | |
368 | if not text: |
|
368 | if not text: | |
369 | return [] |
|
369 | return [] | |
370 | last = text.index("\n\n") |
|
370 | last = text.index("\n\n") | |
371 | l = text[:last].split('\n') |
|
371 | l = text[:last].split('\n') | |
372 | return l[3:] |
|
372 | return l[3:] | |
373 |
|
373 | |||
374 | def add(self, manifest, files, desc, transaction, p1, p2, |
|
374 | def add(self, manifest, files, desc, transaction, p1, p2, | |
375 | user, date=None, extra=None): |
|
375 | user, date=None, extra=None): | |
376 | # Convert to UTF-8 encoded bytestrings as the very first |
|
376 | # Convert to UTF-8 encoded bytestrings as the very first | |
377 | # thing: calling any method on a localstr object will turn it |
|
377 | # thing: calling any method on a localstr object will turn it | |
378 | # into a str object and the cached UTF-8 string is thus lost. |
|
378 | # into a str object and the cached UTF-8 string is thus lost. | |
379 | user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) |
|
379 | user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) | |
380 |
|
380 | |||
381 | user = user.strip() |
|
381 | user = user.strip() | |
382 | # An empty username or a username with a "\n" will make the |
|
382 | # An empty username or a username with a "\n" will make the | |
383 | # revision text contain two "\n\n" sequences -> corrupt |
|
383 | # revision text contain two "\n\n" sequences -> corrupt | |
384 | # repository since read cannot unpack the revision. |
|
384 | # repository since read cannot unpack the revision. | |
385 | if not user: |
|
385 | if not user: | |
386 | raise error.RevlogError(_("empty username")) |
|
386 | raise error.RevlogError(_("empty username")) | |
387 | if "\n" in user: |
|
387 | if "\n" in user: | |
388 | raise error.RevlogError(_("username %s contains a newline") |
|
388 | raise error.RevlogError(_("username %s contains a newline") | |
389 | % repr(user)) |
|
389 | % repr(user)) | |
390 |
|
390 | |||
391 | desc = stripdesc(desc) |
|
391 | desc = stripdesc(desc) | |
392 |
|
392 | |||
393 | if date: |
|
393 | if date: | |
394 | parseddate = "%d %d" % util.parsedate(date) |
|
394 | parseddate = "%d %d" % util.parsedate(date) | |
395 | else: |
|
395 | else: | |
396 | parseddate = "%d %d" % util.makedate() |
|
396 | parseddate = "%d %d" % util.makedate() | |
397 | if extra: |
|
397 | if extra: | |
398 | branch = extra.get("branch") |
|
398 | branch = extra.get("branch") | |
399 | if branch in ("default", ""): |
|
399 | if branch in ("default", ""): | |
400 | del extra["branch"] |
|
400 | del extra["branch"] | |
401 | elif branch in (".", "null", "tip"): |
|
401 | elif branch in (".", "null", "tip"): | |
402 | raise error.RevlogError(_('the name \'%s\' is reserved') |
|
402 | raise error.RevlogError(_('the name \'%s\' is reserved') | |
403 | % branch) |
|
403 | % branch) | |
404 | if extra: |
|
404 | if extra: | |
405 | extra = encodeextra(extra) |
|
405 | extra = encodeextra(extra) | |
406 | parseddate = "%s %s" % (parseddate, extra) |
|
406 | parseddate = "%s %s" % (parseddate, extra) | |
407 | l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc] |
|
407 | l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc] | |
408 | text = "\n".join(l) |
|
408 | text = "\n".join(l) | |
409 | return self.addrevision(text, transaction, len(self), p1, p2) |
|
409 | return self.addrevision(text, transaction, len(self), p1, p2) | |
410 |
|
410 | |||
411 | def branchinfo(self, rev): |
|
411 | def branchinfo(self, rev): | |
412 | """return the branch name and open/close state of a revision |
|
412 | """return the branch name and open/close state of a revision | |
413 |
|
413 | |||
414 | This function exists because creating a changectx object |
|
414 | This function exists because creating a changectx object | |
415 | just to access this is costly.""" |
|
415 | just to access this is costly.""" | |
416 | extra = self.read(rev)[5] |
|
416 | extra = self.read(rev)[5] | |
417 | return encoding.tolocal(extra.get("branch")), 'close' in extra |
|
417 | return encoding.tolocal(extra.get("branch")), 'close' in extra |
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