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@@ -1,493 +1,499 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 | import collections |
|
10 | import collections | |
11 |
|
11 | |||
12 | from .i18n import _ |
|
12 | from .i18n import _ | |
13 | from .node import ( |
|
13 | from .node import ( | |
14 | bin, |
|
14 | bin, | |
15 | hex, |
|
15 | hex, | |
16 | nullid, |
|
16 | nullid, | |
17 | ) |
|
17 | ) | |
18 |
|
18 | |||
19 | from . import ( |
|
19 | from . import ( | |
20 | encoding, |
|
20 | encoding, | |
21 | error, |
|
21 | error, | |
22 | revlog, |
|
22 | revlog, | |
23 | util, |
|
23 | util, | |
24 | ) |
|
24 | ) | |
25 |
|
25 | |||
26 | _defaultextra = {'branch': 'default'} |
|
26 | _defaultextra = {'branch': 'default'} | |
27 |
|
27 | |||
28 | def _string_escape(text): |
|
28 | def _string_escape(text): | |
29 | """ |
|
29 | """ | |
30 | >>> d = {'nl': chr(10), 'bs': chr(92), 'cr': chr(13), 'nul': chr(0)} |
|
30 | >>> d = {'nl': chr(10), 'bs': chr(92), 'cr': chr(13), 'nul': chr(0)} | |
31 | >>> s = "ab%(nl)scd%(bs)s%(bs)sn%(nul)sab%(cr)scd%(bs)s%(nl)s" % d |
|
31 | >>> s = "ab%(nl)scd%(bs)s%(bs)sn%(nul)sab%(cr)scd%(bs)s%(nl)s" % d | |
32 | >>> s |
|
32 | >>> s | |
33 | 'ab\\ncd\\\\\\\\n\\x00ab\\rcd\\\\\\n' |
|
33 | 'ab\\ncd\\\\\\\\n\\x00ab\\rcd\\\\\\n' | |
34 | >>> res = _string_escape(s) |
|
34 | >>> res = _string_escape(s) | |
35 | >>> s == res.decode('string_escape') |
|
35 | >>> s == res.decode('string_escape') | |
36 | True |
|
36 | True | |
37 | """ |
|
37 | """ | |
38 | # subset of the string_escape codec |
|
38 | # subset of the string_escape codec | |
39 | text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') |
|
39 | text = text.replace('\\', '\\\\').replace('\n', '\\n').replace('\r', '\\r') | |
40 | return text.replace('\0', '\\0') |
|
40 | return text.replace('\0', '\\0') | |
41 |
|
41 | |||
42 | def decodeextra(text): |
|
42 | def decodeextra(text): | |
43 | """ |
|
43 | """ | |
44 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', 'baz': chr(0) + '2'}) |
|
44 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', 'baz': chr(0) + '2'}) | |
45 | ... ).iteritems()) |
|
45 | ... ).iteritems()) | |
46 | [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] |
|
46 | [('baz', '\\x002'), ('branch', 'default'), ('foo', 'bar')] | |
47 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', |
|
47 | >>> sorted(decodeextra(encodeextra({'foo': 'bar', | |
48 | ... 'baz': chr(92) + chr(0) + '2'}) |
|
48 | ... 'baz': chr(92) + chr(0) + '2'}) | |
49 | ... ).iteritems()) |
|
49 | ... ).iteritems()) | |
50 | [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] |
|
50 | [('baz', '\\\\\\x002'), ('branch', 'default'), ('foo', 'bar')] | |
51 | """ |
|
51 | """ | |
52 | extra = _defaultextra.copy() |
|
52 | extra = _defaultextra.copy() | |
53 | for l in text.split('\0'): |
|
53 | for l in text.split('\0'): | |
54 | if l: |
|
54 | if l: | |
55 | if '\\0' in l: |
|
55 | if '\\0' in l: | |
56 | # fix up \0 without getting into trouble with \\0 |
|
56 | # fix up \0 without getting into trouble with \\0 | |
57 | l = l.replace('\\\\', '\\\\\n') |
|
57 | l = l.replace('\\\\', '\\\\\n') | |
58 | l = l.replace('\\0', '\0') |
|
58 | l = l.replace('\\0', '\0') | |
59 | l = l.replace('\n', '') |
|
59 | l = l.replace('\n', '') | |
60 | k, v = l.decode('string_escape').split(':', 1) |
|
60 | k, v = l.decode('string_escape').split(':', 1) | |
61 | extra[k] = v |
|
61 | extra[k] = v | |
62 | return extra |
|
62 | return extra | |
63 |
|
63 | |||
64 | def encodeextra(d): |
|
64 | def encodeextra(d): | |
65 | # keys must be sorted to produce a deterministic changelog entry |
|
65 | # keys must be sorted to produce a deterministic changelog entry | |
66 | items = [_string_escape('%s:%s' % (k, d[k])) for k in sorted(d)] |
|
66 | items = [_string_escape('%s:%s' % (k, d[k])) for k in sorted(d)] | |
67 | return "\0".join(items) |
|
67 | return "\0".join(items) | |
68 |
|
68 | |||
69 | def stripdesc(desc): |
|
69 | def stripdesc(desc): | |
70 | """strip trailing whitespace and leading and trailing empty lines""" |
|
70 | """strip trailing whitespace and leading and trailing empty lines""" | |
71 | return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') |
|
71 | return '\n'.join([l.rstrip() for l in desc.splitlines()]).strip('\n') | |
72 |
|
72 | |||
73 | class appender(object): |
|
73 | class appender(object): | |
74 | '''the changelog index must be updated last on disk, so we use this class |
|
74 | '''the changelog index must be updated last on disk, so we use this class | |
75 | to delay writes to it''' |
|
75 | to delay writes to it''' | |
76 | def __init__(self, vfs, name, mode, buf): |
|
76 | def __init__(self, vfs, name, mode, buf): | |
77 | self.data = buf |
|
77 | self.data = buf | |
78 | fp = vfs(name, mode) |
|
78 | fp = vfs(name, mode) | |
79 | self.fp = fp |
|
79 | self.fp = fp | |
80 | self.offset = fp.tell() |
|
80 | self.offset = fp.tell() | |
81 | self.size = vfs.fstat(fp).st_size |
|
81 | self.size = vfs.fstat(fp).st_size | |
82 |
|
82 | |||
83 | def end(self): |
|
83 | def end(self): | |
84 | return self.size + len("".join(self.data)) |
|
84 | return self.size + len("".join(self.data)) | |
85 | def tell(self): |
|
85 | def tell(self): | |
86 | return self.offset |
|
86 | return self.offset | |
87 | def flush(self): |
|
87 | def flush(self): | |
88 | pass |
|
88 | pass | |
89 | def close(self): |
|
89 | def close(self): | |
90 | self.fp.close() |
|
90 | self.fp.close() | |
91 |
|
91 | |||
92 | def seek(self, offset, whence=0): |
|
92 | def seek(self, offset, whence=0): | |
93 | '''virtual file offset spans real file and data''' |
|
93 | '''virtual file offset spans real file and data''' | |
94 | if whence == 0: |
|
94 | if whence == 0: | |
95 | self.offset = offset |
|
95 | self.offset = offset | |
96 | elif whence == 1: |
|
96 | elif whence == 1: | |
97 | self.offset += offset |
|
97 | self.offset += offset | |
98 | elif whence == 2: |
|
98 | elif whence == 2: | |
99 | self.offset = self.end() + offset |
|
99 | self.offset = self.end() + offset | |
100 | if self.offset < self.size: |
|
100 | if self.offset < self.size: | |
101 | self.fp.seek(self.offset) |
|
101 | self.fp.seek(self.offset) | |
102 |
|
102 | |||
103 | def read(self, count=-1): |
|
103 | def read(self, count=-1): | |
104 | '''only trick here is reads that span real file and data''' |
|
104 | '''only trick here is reads that span real file and data''' | |
105 | ret = "" |
|
105 | ret = "" | |
106 | if self.offset < self.size: |
|
106 | if self.offset < self.size: | |
107 | s = self.fp.read(count) |
|
107 | s = self.fp.read(count) | |
108 | ret = s |
|
108 | ret = s | |
109 | self.offset += len(s) |
|
109 | self.offset += len(s) | |
110 | if count > 0: |
|
110 | if count > 0: | |
111 | count -= len(s) |
|
111 | count -= len(s) | |
112 | if count != 0: |
|
112 | if count != 0: | |
113 | doff = self.offset - self.size |
|
113 | doff = self.offset - self.size | |
114 | self.data.insert(0, "".join(self.data)) |
|
114 | self.data.insert(0, "".join(self.data)) | |
115 | del self.data[1:] |
|
115 | del self.data[1:] | |
116 | s = self.data[0][doff:doff + count] |
|
116 | s = self.data[0][doff:doff + count] | |
117 | self.offset += len(s) |
|
117 | self.offset += len(s) | |
118 | ret += s |
|
118 | ret += s | |
119 | return ret |
|
119 | return ret | |
120 |
|
120 | |||
121 | def write(self, s): |
|
121 | def write(self, s): | |
122 | self.data.append(str(s)) |
|
122 | self.data.append(str(s)) | |
123 | self.offset += len(s) |
|
123 | self.offset += len(s) | |
124 |
|
124 | |||
125 | def _divertopener(opener, target): |
|
125 | def _divertopener(opener, target): | |
126 | """build an opener that writes in 'target.a' instead of 'target'""" |
|
126 | """build an opener that writes in 'target.a' instead of 'target'""" | |
127 | def _divert(name, mode='r'): |
|
127 | def _divert(name, mode='r'): | |
128 | if name != target: |
|
128 | if name != target: | |
129 | return opener(name, mode) |
|
129 | return opener(name, mode) | |
130 | return opener(name + ".a", mode) |
|
130 | return opener(name + ".a", mode) | |
131 | return _divert |
|
131 | return _divert | |
132 |
|
132 | |||
133 | def _delayopener(opener, target, buf): |
|
133 | def _delayopener(opener, target, buf): | |
134 | """build an opener that stores chunks in 'buf' instead of 'target'""" |
|
134 | """build an opener that stores chunks in 'buf' instead of 'target'""" | |
135 | def _delay(name, mode='r'): |
|
135 | def _delay(name, mode='r'): | |
136 | if name != target: |
|
136 | if name != target: | |
137 | return opener(name, mode) |
|
137 | return opener(name, mode) | |
138 | return appender(opener, name, mode, buf) |
|
138 | return appender(opener, name, mode, buf) | |
139 | return _delay |
|
139 | return _delay | |
140 |
|
140 | |||
141 | _changelogrevision = collections.namedtuple('changelogrevision', |
|
141 | _changelogrevision = collections.namedtuple('changelogrevision', | |
142 | ('manifest', 'user', 'date', |
|
142 | ('manifest', 'user', 'date', | |
143 | 'files', 'description', 'extra')) |
|
143 | 'files', 'description', 'extra')) | |
144 |
|
144 | |||
145 | class changelogrevision(object): |
|
145 | class changelogrevision(object): | |
146 | """Holds results of a parsed changelog revision. |
|
146 | """Holds results of a parsed changelog revision. | |
147 |
|
147 | |||
148 | Changelog revisions consist of multiple pieces of data, including |
|
148 | Changelog revisions consist of multiple pieces of data, including | |
149 | the manifest node, user, and date. This object exposes a view into |
|
149 | the manifest node, user, and date. This object exposes a view into | |
150 | the parsed object. |
|
150 | the parsed object. | |
151 | """ |
|
151 | """ | |
152 |
|
152 | |||
153 | __slots__ = ( |
|
153 | __slots__ = ( | |
154 | 'date', |
|
154 | 'date', | |
155 | '_rawdesc', |
|
155 | '_rawdesc', | |
156 | 'extra', |
|
156 | 'extra', | |
157 | 'files', |
|
157 | 'files', | |
158 | '_rawmanifest', |
|
158 | '_rawmanifest', | |
159 | 'user', |
|
159 | '_rawuser', | |
160 | ) |
|
160 | ) | |
161 |
|
161 | |||
162 | def __new__(cls, text): |
|
162 | def __new__(cls, text): | |
163 | if not text: |
|
163 | if not text: | |
164 | return _changelogrevision( |
|
164 | return _changelogrevision( | |
165 | manifest=nullid, |
|
165 | manifest=nullid, | |
166 | user='', |
|
166 | user='', | |
167 | date=(0, 0), |
|
167 | date=(0, 0), | |
168 | files=[], |
|
168 | files=[], | |
169 | description='', |
|
169 | description='', | |
170 | extra=_defaultextra, |
|
170 | extra=_defaultextra, | |
171 | ) |
|
171 | ) | |
172 |
|
172 | |||
173 | self = super(changelogrevision, cls).__new__(cls) |
|
173 | self = super(changelogrevision, cls).__new__(cls) | |
174 | # We could return here and implement the following as an __init__. |
|
174 | # We could return here and implement the following as an __init__. | |
175 | # But doing it here is equivalent and saves an extra function call. |
|
175 | # But doing it here is equivalent and saves an extra function call. | |
176 |
|
176 | |||
177 | # format used: |
|
177 | # format used: | |
178 | # nodeid\n : manifest node in ascii |
|
178 | # nodeid\n : manifest node in ascii | |
179 | # user\n : user, no \n or \r allowed |
|
179 | # user\n : user, no \n or \r allowed | |
180 | # time tz extra\n : date (time is int or float, timezone is int) |
|
180 | # time tz extra\n : date (time is int or float, timezone is int) | |
181 | # : extra is metadata, encoded and separated by '\0' |
|
181 | # : extra is metadata, encoded and separated by '\0' | |
182 | # : older versions ignore it |
|
182 | # : older versions ignore it | |
183 | # files\n\n : files modified by the cset, no \n or \r allowed |
|
183 | # files\n\n : files modified by the cset, no \n or \r allowed | |
184 | # (.*) : comment (free text, ideally utf-8) |
|
184 | # (.*) : comment (free text, ideally utf-8) | |
185 | # |
|
185 | # | |
186 | # changelog v0 doesn't use extra |
|
186 | # changelog v0 doesn't use extra | |
187 |
|
187 | |||
188 | doublenl = text.index('\n\n') |
|
188 | doublenl = text.index('\n\n') | |
189 | self._rawdesc = text[doublenl + 2:] |
|
189 | self._rawdesc = text[doublenl + 2:] | |
190 |
|
190 | |||
191 | nl1 = text.index('\n') |
|
191 | nl1 = text.index('\n') | |
192 | self._rawmanifest = text[0:nl1] |
|
192 | self._rawmanifest = text[0:nl1] | |
193 |
|
193 | |||
|
194 | nl2 = text.index('\n', nl1 + 1) | |||
|
195 | self._rawuser = text[nl1 + 1:nl2] | |||
|
196 | ||||
194 | l = text[:doublenl].split('\n') |
|
197 | l = text[:doublenl].split('\n') | |
195 | self.user = encoding.tolocal(l[1]) |
|
|||
196 |
|
198 | |||
197 | tdata = l[2].split(' ', 2) |
|
199 | tdata = l[2].split(' ', 2) | |
198 | if len(tdata) != 3: |
|
200 | if len(tdata) != 3: | |
199 | time = float(tdata[0]) |
|
201 | time = float(tdata[0]) | |
200 | try: |
|
202 | try: | |
201 | # various tools did silly things with the time zone field. |
|
203 | # various tools did silly things with the time zone field. | |
202 | timezone = int(tdata[1]) |
|
204 | timezone = int(tdata[1]) | |
203 | except ValueError: |
|
205 | except ValueError: | |
204 | timezone = 0 |
|
206 | timezone = 0 | |
205 | self.extra = _defaultextra |
|
207 | self.extra = _defaultextra | |
206 | else: |
|
208 | else: | |
207 | time, timezone = float(tdata[0]), int(tdata[1]) |
|
209 | time, timezone = float(tdata[0]), int(tdata[1]) | |
208 | self.extra = decodeextra(tdata[2]) |
|
210 | self.extra = decodeextra(tdata[2]) | |
209 |
|
211 | |||
210 | self.date = (time, timezone) |
|
212 | self.date = (time, timezone) | |
211 | self.files = l[3:] |
|
213 | self.files = l[3:] | |
212 |
|
214 | |||
213 | return self |
|
215 | return self | |
214 |
|
216 | |||
215 | @property |
|
217 | @property | |
216 | def manifest(self): |
|
218 | def manifest(self): | |
217 | return bin(self._rawmanifest) |
|
219 | return bin(self._rawmanifest) | |
218 |
|
220 | |||
219 | @property |
|
221 | @property | |
|
222 | def user(self): | |||
|
223 | return encoding.tolocal(self._rawuser) | |||
|
224 | ||||
|
225 | @property | |||
220 | def description(self): |
|
226 | def description(self): | |
221 | return encoding.tolocal(self._rawdesc) |
|
227 | return encoding.tolocal(self._rawdesc) | |
222 |
|
228 | |||
223 | class changelog(revlog.revlog): |
|
229 | class changelog(revlog.revlog): | |
224 | def __init__(self, opener): |
|
230 | def __init__(self, opener): | |
225 | revlog.revlog.__init__(self, opener, "00changelog.i") |
|
231 | revlog.revlog.__init__(self, opener, "00changelog.i") | |
226 | if self._initempty: |
|
232 | if self._initempty: | |
227 | # changelogs don't benefit from generaldelta |
|
233 | # changelogs don't benefit from generaldelta | |
228 | self.version &= ~revlog.REVLOGGENERALDELTA |
|
234 | self.version &= ~revlog.REVLOGGENERALDELTA | |
229 | self._generaldelta = False |
|
235 | self._generaldelta = False | |
230 | self._realopener = opener |
|
236 | self._realopener = opener | |
231 | self._delayed = False |
|
237 | self._delayed = False | |
232 | self._delaybuf = None |
|
238 | self._delaybuf = None | |
233 | self._divert = False |
|
239 | self._divert = False | |
234 | self.filteredrevs = frozenset() |
|
240 | self.filteredrevs = frozenset() | |
235 |
|
241 | |||
236 | def tip(self): |
|
242 | def tip(self): | |
237 | """filtered version of revlog.tip""" |
|
243 | """filtered version of revlog.tip""" | |
238 | for i in xrange(len(self) -1, -2, -1): |
|
244 | for i in xrange(len(self) -1, -2, -1): | |
239 | if i not in self.filteredrevs: |
|
245 | if i not in self.filteredrevs: | |
240 | return self.node(i) |
|
246 | return self.node(i) | |
241 |
|
247 | |||
242 | def __contains__(self, rev): |
|
248 | def __contains__(self, rev): | |
243 | """filtered version of revlog.__contains__""" |
|
249 | """filtered version of revlog.__contains__""" | |
244 | return (0 <= rev < len(self) |
|
250 | return (0 <= rev < len(self) | |
245 | and rev not in self.filteredrevs) |
|
251 | and rev not in self.filteredrevs) | |
246 |
|
252 | |||
247 | def __iter__(self): |
|
253 | def __iter__(self): | |
248 | """filtered version of revlog.__iter__""" |
|
254 | """filtered version of revlog.__iter__""" | |
249 | if len(self.filteredrevs) == 0: |
|
255 | if len(self.filteredrevs) == 0: | |
250 | return revlog.revlog.__iter__(self) |
|
256 | return revlog.revlog.__iter__(self) | |
251 |
|
257 | |||
252 | def filterediter(): |
|
258 | def filterediter(): | |
253 | for i in xrange(len(self)): |
|
259 | for i in xrange(len(self)): | |
254 | if i not in self.filteredrevs: |
|
260 | if i not in self.filteredrevs: | |
255 | yield i |
|
261 | yield i | |
256 |
|
262 | |||
257 | return filterediter() |
|
263 | return filterediter() | |
258 |
|
264 | |||
259 | def revs(self, start=0, stop=None): |
|
265 | def revs(self, start=0, stop=None): | |
260 | """filtered version of revlog.revs""" |
|
266 | """filtered version of revlog.revs""" | |
261 | for i in super(changelog, self).revs(start, stop): |
|
267 | for i in super(changelog, self).revs(start, stop): | |
262 | if i not in self.filteredrevs: |
|
268 | if i not in self.filteredrevs: | |
263 | yield i |
|
269 | yield i | |
264 |
|
270 | |||
265 | @util.propertycache |
|
271 | @util.propertycache | |
266 | def nodemap(self): |
|
272 | def nodemap(self): | |
267 | # XXX need filtering too |
|
273 | # XXX need filtering too | |
268 | self.rev(self.node(0)) |
|
274 | self.rev(self.node(0)) | |
269 | return self._nodecache |
|
275 | return self._nodecache | |
270 |
|
276 | |||
271 | def reachableroots(self, minroot, heads, roots, includepath=False): |
|
277 | def reachableroots(self, minroot, heads, roots, includepath=False): | |
272 | return self.index.reachableroots2(minroot, heads, roots, includepath) |
|
278 | return self.index.reachableroots2(minroot, heads, roots, includepath) | |
273 |
|
279 | |||
274 | def headrevs(self): |
|
280 | def headrevs(self): | |
275 | if self.filteredrevs: |
|
281 | if self.filteredrevs: | |
276 | try: |
|
282 | try: | |
277 | return self.index.headrevsfiltered(self.filteredrevs) |
|
283 | return self.index.headrevsfiltered(self.filteredrevs) | |
278 | # AttributeError covers non-c-extension environments and |
|
284 | # AttributeError covers non-c-extension environments and | |
279 | # old c extensions without filter handling. |
|
285 | # old c extensions without filter handling. | |
280 | except AttributeError: |
|
286 | except AttributeError: | |
281 | return self._headrevs() |
|
287 | return self._headrevs() | |
282 |
|
288 | |||
283 | return super(changelog, self).headrevs() |
|
289 | return super(changelog, self).headrevs() | |
284 |
|
290 | |||
285 | def strip(self, *args, **kwargs): |
|
291 | def strip(self, *args, **kwargs): | |
286 | # XXX make something better than assert |
|
292 | # XXX make something better than assert | |
287 | # We can't expect proper strip behavior if we are filtered. |
|
293 | # We can't expect proper strip behavior if we are filtered. | |
288 | assert not self.filteredrevs |
|
294 | assert not self.filteredrevs | |
289 | super(changelog, self).strip(*args, **kwargs) |
|
295 | super(changelog, self).strip(*args, **kwargs) | |
290 |
|
296 | |||
291 | def rev(self, node): |
|
297 | def rev(self, node): | |
292 | """filtered version of revlog.rev""" |
|
298 | """filtered version of revlog.rev""" | |
293 | r = super(changelog, self).rev(node) |
|
299 | r = super(changelog, self).rev(node) | |
294 | if r in self.filteredrevs: |
|
300 | if r in self.filteredrevs: | |
295 | raise error.FilteredLookupError(hex(node), self.indexfile, |
|
301 | raise error.FilteredLookupError(hex(node), self.indexfile, | |
296 | _('filtered node')) |
|
302 | _('filtered node')) | |
297 | return r |
|
303 | return r | |
298 |
|
304 | |||
299 | def node(self, rev): |
|
305 | def node(self, rev): | |
300 | """filtered version of revlog.node""" |
|
306 | """filtered version of revlog.node""" | |
301 | if rev in self.filteredrevs: |
|
307 | if rev in self.filteredrevs: | |
302 | raise error.FilteredIndexError(rev) |
|
308 | raise error.FilteredIndexError(rev) | |
303 | return super(changelog, self).node(rev) |
|
309 | return super(changelog, self).node(rev) | |
304 |
|
310 | |||
305 | def linkrev(self, rev): |
|
311 | def linkrev(self, rev): | |
306 | """filtered version of revlog.linkrev""" |
|
312 | """filtered version of revlog.linkrev""" | |
307 | if rev in self.filteredrevs: |
|
313 | if rev in self.filteredrevs: | |
308 | raise error.FilteredIndexError(rev) |
|
314 | raise error.FilteredIndexError(rev) | |
309 | return super(changelog, self).linkrev(rev) |
|
315 | return super(changelog, self).linkrev(rev) | |
310 |
|
316 | |||
311 | def parentrevs(self, rev): |
|
317 | def parentrevs(self, rev): | |
312 | """filtered version of revlog.parentrevs""" |
|
318 | """filtered version of revlog.parentrevs""" | |
313 | if rev in self.filteredrevs: |
|
319 | if rev in self.filteredrevs: | |
314 | raise error.FilteredIndexError(rev) |
|
320 | raise error.FilteredIndexError(rev) | |
315 | return super(changelog, self).parentrevs(rev) |
|
321 | return super(changelog, self).parentrevs(rev) | |
316 |
|
322 | |||
317 | def flags(self, rev): |
|
323 | def flags(self, rev): | |
318 | """filtered version of revlog.flags""" |
|
324 | """filtered version of revlog.flags""" | |
319 | if rev in self.filteredrevs: |
|
325 | if rev in self.filteredrevs: | |
320 | raise error.FilteredIndexError(rev) |
|
326 | raise error.FilteredIndexError(rev) | |
321 | return super(changelog, self).flags(rev) |
|
327 | return super(changelog, self).flags(rev) | |
322 |
|
328 | |||
323 | def delayupdate(self, tr): |
|
329 | def delayupdate(self, tr): | |
324 | "delay visibility of index updates to other readers" |
|
330 | "delay visibility of index updates to other readers" | |
325 |
|
331 | |||
326 | if not self._delayed: |
|
332 | if not self._delayed: | |
327 | if len(self) == 0: |
|
333 | if len(self) == 0: | |
328 | self._divert = True |
|
334 | self._divert = True | |
329 | if self._realopener.exists(self.indexfile + '.a'): |
|
335 | if self._realopener.exists(self.indexfile + '.a'): | |
330 | self._realopener.unlink(self.indexfile + '.a') |
|
336 | self._realopener.unlink(self.indexfile + '.a') | |
331 | self.opener = _divertopener(self._realopener, self.indexfile) |
|
337 | self.opener = _divertopener(self._realopener, self.indexfile) | |
332 | else: |
|
338 | else: | |
333 | self._delaybuf = [] |
|
339 | self._delaybuf = [] | |
334 | self.opener = _delayopener(self._realopener, self.indexfile, |
|
340 | self.opener = _delayopener(self._realopener, self.indexfile, | |
335 | self._delaybuf) |
|
341 | self._delaybuf) | |
336 | self._delayed = True |
|
342 | self._delayed = True | |
337 | tr.addpending('cl-%i' % id(self), self._writepending) |
|
343 | tr.addpending('cl-%i' % id(self), self._writepending) | |
338 | tr.addfinalize('cl-%i' % id(self), self._finalize) |
|
344 | tr.addfinalize('cl-%i' % id(self), self._finalize) | |
339 |
|
345 | |||
340 | def _finalize(self, tr): |
|
346 | def _finalize(self, tr): | |
341 | "finalize index updates" |
|
347 | "finalize index updates" | |
342 | self._delayed = False |
|
348 | self._delayed = False | |
343 | self.opener = self._realopener |
|
349 | self.opener = self._realopener | |
344 | # move redirected index data back into place |
|
350 | # move redirected index data back into place | |
345 | if self._divert: |
|
351 | if self._divert: | |
346 | assert not self._delaybuf |
|
352 | assert not self._delaybuf | |
347 | tmpname = self.indexfile + ".a" |
|
353 | tmpname = self.indexfile + ".a" | |
348 | nfile = self.opener.open(tmpname) |
|
354 | nfile = self.opener.open(tmpname) | |
349 | nfile.close() |
|
355 | nfile.close() | |
350 | self.opener.rename(tmpname, self.indexfile) |
|
356 | self.opener.rename(tmpname, self.indexfile) | |
351 | elif self._delaybuf: |
|
357 | elif self._delaybuf: | |
352 | fp = self.opener(self.indexfile, 'a') |
|
358 | fp = self.opener(self.indexfile, 'a') | |
353 | fp.write("".join(self._delaybuf)) |
|
359 | fp.write("".join(self._delaybuf)) | |
354 | fp.close() |
|
360 | fp.close() | |
355 | self._delaybuf = None |
|
361 | self._delaybuf = None | |
356 | self._divert = False |
|
362 | self._divert = False | |
357 | # split when we're done |
|
363 | # split when we're done | |
358 | self.checkinlinesize(tr) |
|
364 | self.checkinlinesize(tr) | |
359 |
|
365 | |||
360 | def readpending(self, file): |
|
366 | def readpending(self, file): | |
361 | """read index data from a "pending" file |
|
367 | """read index data from a "pending" file | |
362 |
|
368 | |||
363 | During a transaction, the actual changeset data is already stored in the |
|
369 | During a transaction, the actual changeset data is already stored in the | |
364 | main file, but not yet finalized in the on-disk index. Instead, a |
|
370 | main file, but not yet finalized in the on-disk index. Instead, a | |
365 | "pending" index is written by the transaction logic. If this function |
|
371 | "pending" index is written by the transaction logic. If this function | |
366 | is running, we are likely in a subprocess invoked in a hook. The |
|
372 | is running, we are likely in a subprocess invoked in a hook. The | |
367 | subprocess is informed that it is within a transaction and needs to |
|
373 | subprocess is informed that it is within a transaction and needs to | |
368 | access its content. |
|
374 | access its content. | |
369 |
|
375 | |||
370 | This function will read all the index data out of the pending file and |
|
376 | This function will read all the index data out of the pending file and | |
371 | overwrite the main index.""" |
|
377 | overwrite the main index.""" | |
372 |
|
378 | |||
373 | if not self.opener.exists(file): |
|
379 | if not self.opener.exists(file): | |
374 | return # no pending data for changelog |
|
380 | return # no pending data for changelog | |
375 | r = revlog.revlog(self.opener, file) |
|
381 | r = revlog.revlog(self.opener, file) | |
376 | self.index = r.index |
|
382 | self.index = r.index | |
377 | self.nodemap = r.nodemap |
|
383 | self.nodemap = r.nodemap | |
378 | self._nodecache = r._nodecache |
|
384 | self._nodecache = r._nodecache | |
379 | self._chunkcache = r._chunkcache |
|
385 | self._chunkcache = r._chunkcache | |
380 |
|
386 | |||
381 | def _writepending(self, tr): |
|
387 | def _writepending(self, tr): | |
382 | "create a file containing the unfinalized state for pretxnchangegroup" |
|
388 | "create a file containing the unfinalized state for pretxnchangegroup" | |
383 | if self._delaybuf: |
|
389 | if self._delaybuf: | |
384 | # make a temporary copy of the index |
|
390 | # make a temporary copy of the index | |
385 | fp1 = self._realopener(self.indexfile) |
|
391 | fp1 = self._realopener(self.indexfile) | |
386 | pendingfilename = self.indexfile + ".a" |
|
392 | pendingfilename = self.indexfile + ".a" | |
387 | # register as a temp file to ensure cleanup on failure |
|
393 | # register as a temp file to ensure cleanup on failure | |
388 | tr.registertmp(pendingfilename) |
|
394 | tr.registertmp(pendingfilename) | |
389 | # write existing data |
|
395 | # write existing data | |
390 | fp2 = self._realopener(pendingfilename, "w") |
|
396 | fp2 = self._realopener(pendingfilename, "w") | |
391 | fp2.write(fp1.read()) |
|
397 | fp2.write(fp1.read()) | |
392 | # add pending data |
|
398 | # add pending data | |
393 | fp2.write("".join(self._delaybuf)) |
|
399 | fp2.write("".join(self._delaybuf)) | |
394 | fp2.close() |
|
400 | fp2.close() | |
395 | # switch modes so finalize can simply rename |
|
401 | # switch modes so finalize can simply rename | |
396 | self._delaybuf = None |
|
402 | self._delaybuf = None | |
397 | self._divert = True |
|
403 | self._divert = True | |
398 | self.opener = _divertopener(self._realopener, self.indexfile) |
|
404 | self.opener = _divertopener(self._realopener, self.indexfile) | |
399 |
|
405 | |||
400 | if self._divert: |
|
406 | if self._divert: | |
401 | return True |
|
407 | return True | |
402 |
|
408 | |||
403 | return False |
|
409 | return False | |
404 |
|
410 | |||
405 | def checkinlinesize(self, tr, fp=None): |
|
411 | def checkinlinesize(self, tr, fp=None): | |
406 | if not self._delayed: |
|
412 | if not self._delayed: | |
407 | revlog.revlog.checkinlinesize(self, tr, fp) |
|
413 | revlog.revlog.checkinlinesize(self, tr, fp) | |
408 |
|
414 | |||
409 | def read(self, node): |
|
415 | def read(self, node): | |
410 | """Obtain data from a parsed changelog revision. |
|
416 | """Obtain data from a parsed changelog revision. | |
411 |
|
417 | |||
412 | Returns a 6-tuple of: |
|
418 | Returns a 6-tuple of: | |
413 |
|
419 | |||
414 | - manifest node in binary |
|
420 | - manifest node in binary | |
415 | - author/user as a localstr |
|
421 | - author/user as a localstr | |
416 | - date as a 2-tuple of (time, timezone) |
|
422 | - date as a 2-tuple of (time, timezone) | |
417 | - list of files |
|
423 | - list of files | |
418 | - commit message as a localstr |
|
424 | - commit message as a localstr | |
419 | - dict of extra metadata |
|
425 | - dict of extra metadata | |
420 |
|
426 | |||
421 | Unless you need to access all fields, consider calling |
|
427 | Unless you need to access all fields, consider calling | |
422 | ``changelogrevision`` instead, as it is faster for partial object |
|
428 | ``changelogrevision`` instead, as it is faster for partial object | |
423 | access. |
|
429 | access. | |
424 | """ |
|
430 | """ | |
425 | c = changelogrevision(self.revision(node)) |
|
431 | c = changelogrevision(self.revision(node)) | |
426 | return ( |
|
432 | return ( | |
427 | c.manifest, |
|
433 | c.manifest, | |
428 | c.user, |
|
434 | c.user, | |
429 | c.date, |
|
435 | c.date, | |
430 | c.files, |
|
436 | c.files, | |
431 | c.description, |
|
437 | c.description, | |
432 | c.extra |
|
438 | c.extra | |
433 | ) |
|
439 | ) | |
434 |
|
440 | |||
435 | def changelogrevision(self, nodeorrev): |
|
441 | def changelogrevision(self, nodeorrev): | |
436 | """Obtain a ``changelogrevision`` for a node or revision.""" |
|
442 | """Obtain a ``changelogrevision`` for a node or revision.""" | |
437 | return changelogrevision(self.revision(nodeorrev)) |
|
443 | return changelogrevision(self.revision(nodeorrev)) | |
438 |
|
444 | |||
439 | def readfiles(self, node): |
|
445 | def readfiles(self, node): | |
440 | """ |
|
446 | """ | |
441 | short version of read that only returns the files modified by the cset |
|
447 | short version of read that only returns the files modified by the cset | |
442 | """ |
|
448 | """ | |
443 | text = self.revision(node) |
|
449 | text = self.revision(node) | |
444 | if not text: |
|
450 | if not text: | |
445 | return [] |
|
451 | return [] | |
446 | last = text.index("\n\n") |
|
452 | last = text.index("\n\n") | |
447 | l = text[:last].split('\n') |
|
453 | l = text[:last].split('\n') | |
448 | return l[3:] |
|
454 | return l[3:] | |
449 |
|
455 | |||
450 | def add(self, manifest, files, desc, transaction, p1, p2, |
|
456 | def add(self, manifest, files, desc, transaction, p1, p2, | |
451 | user, date=None, extra=None): |
|
457 | user, date=None, extra=None): | |
452 | # Convert to UTF-8 encoded bytestrings as the very first |
|
458 | # Convert to UTF-8 encoded bytestrings as the very first | |
453 | # thing: calling any method on a localstr object will turn it |
|
459 | # thing: calling any method on a localstr object will turn it | |
454 | # into a str object and the cached UTF-8 string is thus lost. |
|
460 | # into a str object and the cached UTF-8 string is thus lost. | |
455 | user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) |
|
461 | user, desc = encoding.fromlocal(user), encoding.fromlocal(desc) | |
456 |
|
462 | |||
457 | user = user.strip() |
|
463 | user = user.strip() | |
458 | # An empty username or a username with a "\n" will make the |
|
464 | # An empty username or a username with a "\n" will make the | |
459 | # revision text contain two "\n\n" sequences -> corrupt |
|
465 | # revision text contain two "\n\n" sequences -> corrupt | |
460 | # repository since read cannot unpack the revision. |
|
466 | # repository since read cannot unpack the revision. | |
461 | if not user: |
|
467 | if not user: | |
462 | raise error.RevlogError(_("empty username")) |
|
468 | raise error.RevlogError(_("empty username")) | |
463 | if "\n" in user: |
|
469 | if "\n" in user: | |
464 | raise error.RevlogError(_("username %s contains a newline") |
|
470 | raise error.RevlogError(_("username %s contains a newline") | |
465 | % repr(user)) |
|
471 | % repr(user)) | |
466 |
|
472 | |||
467 | desc = stripdesc(desc) |
|
473 | desc = stripdesc(desc) | |
468 |
|
474 | |||
469 | if date: |
|
475 | if date: | |
470 | parseddate = "%d %d" % util.parsedate(date) |
|
476 | parseddate = "%d %d" % util.parsedate(date) | |
471 | else: |
|
477 | else: | |
472 | parseddate = "%d %d" % util.makedate() |
|
478 | parseddate = "%d %d" % util.makedate() | |
473 | if extra: |
|
479 | if extra: | |
474 | branch = extra.get("branch") |
|
480 | branch = extra.get("branch") | |
475 | if branch in ("default", ""): |
|
481 | if branch in ("default", ""): | |
476 | del extra["branch"] |
|
482 | del extra["branch"] | |
477 | elif branch in (".", "null", "tip"): |
|
483 | elif branch in (".", "null", "tip"): | |
478 | raise error.RevlogError(_('the name \'%s\' is reserved') |
|
484 | raise error.RevlogError(_('the name \'%s\' is reserved') | |
479 | % branch) |
|
485 | % branch) | |
480 | if extra: |
|
486 | if extra: | |
481 | extra = encodeextra(extra) |
|
487 | extra = encodeextra(extra) | |
482 | parseddate = "%s %s" % (parseddate, extra) |
|
488 | parseddate = "%s %s" % (parseddate, extra) | |
483 | l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc] |
|
489 | l = [hex(manifest), user, parseddate] + sorted(files) + ["", desc] | |
484 | text = "\n".join(l) |
|
490 | text = "\n".join(l) | |
485 | return self.addrevision(text, transaction, len(self), p1, p2) |
|
491 | return self.addrevision(text, transaction, len(self), p1, p2) | |
486 |
|
492 | |||
487 | def branchinfo(self, rev): |
|
493 | def branchinfo(self, rev): | |
488 | """return the branch name and open/close state of a revision |
|
494 | """return the branch name and open/close state of a revision | |
489 |
|
495 | |||
490 | This function exists because creating a changectx object |
|
496 | This function exists because creating a changectx object | |
491 | just to access this is costly.""" |
|
497 | just to access this is costly.""" | |
492 | extra = self.read(rev)[5] |
|
498 | extra = self.read(rev)[5] | |
493 | return encoding.tolocal(extra.get("branch")), 'close' in extra |
|
499 | return encoding.tolocal(extra.get("branch")), 'close' in extra |
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