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@@ -1,450 +1,453 b'' | |||||
1 | # repoview.py - Filtered view of a localrepo object |
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1 | # repoview.py - Filtered view of a localrepo object | |
2 | # |
|
2 | # | |
3 | # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org> |
|
3 | # Copyright 2012 Pierre-Yves David <pierre-yves.david@ens-lyon.org> | |
4 | # Logilab SA <contact@logilab.fr> |
|
4 | # Logilab SA <contact@logilab.fr> | |
5 | # |
|
5 | # | |
6 | # This software may be used and distributed according to the terms of the |
|
6 | # This software may be used and distributed according to the terms of the | |
7 | # GNU General Public License version 2 or any later version. |
|
7 | # GNU General Public License version 2 or any later version. | |
8 |
|
8 | |||
9 | from __future__ import absolute_import |
|
9 | from __future__ import absolute_import | |
10 |
|
10 | |||
11 | import copy |
|
11 | import copy | |
12 | import weakref |
|
12 | import weakref | |
13 |
|
13 | |||
14 | from .i18n import _ |
|
14 | from .i18n import _ | |
15 | from .node import ( |
|
15 | from .node import ( | |
16 | hex, |
|
16 | hex, | |
17 | nullrev, |
|
17 | nullrev, | |
18 | ) |
|
18 | ) | |
19 | from .pycompat import ( |
|
19 | from .pycompat import ( | |
20 | delattr, |
|
20 | delattr, | |
21 | getattr, |
|
21 | getattr, | |
22 | setattr, |
|
22 | setattr, | |
23 | ) |
|
23 | ) | |
24 | from . import ( |
|
24 | from . import ( | |
25 | error, |
|
25 | error, | |
26 | obsolete, |
|
26 | obsolete, | |
27 | phases, |
|
27 | phases, | |
28 | pycompat, |
|
28 | pycompat, | |
29 | tags as tagsmod, |
|
29 | tags as tagsmod, | |
30 | util, |
|
30 | util, | |
31 | ) |
|
31 | ) | |
32 | from .utils import repoviewutil |
|
32 | from .utils import repoviewutil | |
33 |
|
33 | |||
34 |
|
34 | |||
35 | def hideablerevs(repo): |
|
35 | def hideablerevs(repo): | |
36 | """Revision candidates to be hidden |
|
36 | """Revision candidates to be hidden | |
37 |
|
37 | |||
38 | This is a standalone function to allow extensions to wrap it. |
|
38 | This is a standalone function to allow extensions to wrap it. | |
39 |
|
39 | |||
40 | Because we use the set of immutable changesets as a fallback subset in |
|
40 | Because we use the set of immutable changesets as a fallback subset in | |
41 | branchmap (see mercurial.utils.repoviewutils.subsettable), you cannot set |
|
41 | branchmap (see mercurial.utils.repoviewutils.subsettable), you cannot set | |
42 | "public" changesets as "hideable". Doing so would break multiple code |
|
42 | "public" changesets as "hideable". Doing so would break multiple code | |
43 | assertions and lead to crashes.""" |
|
43 | assertions and lead to crashes.""" | |
44 | obsoletes = obsolete.getrevs(repo, b'obsolete') |
|
44 | obsoletes = obsolete.getrevs(repo, b'obsolete') | |
45 | internals = repo._phasecache.getrevset(repo, phases.localhiddenphases) |
|
45 | internals = repo._phasecache.getrevset(repo, phases.localhiddenphases) | |
46 | internals = frozenset(internals) |
|
46 | internals = frozenset(internals) | |
47 | return obsoletes | internals |
|
47 | return obsoletes | internals | |
48 |
|
48 | |||
49 |
|
49 | |||
50 | def pinnedrevs(repo): |
|
50 | def pinnedrevs(repo): | |
51 | """revisions blocking hidden changesets from being filtered |
|
51 | """revisions blocking hidden changesets from being filtered | |
52 | """ |
|
52 | """ | |
53 |
|
53 | |||
54 | cl = repo.changelog |
|
54 | cl = repo.changelog | |
55 | pinned = set() |
|
55 | pinned = set() | |
56 | pinned.update([par.rev() for par in repo[None].parents()]) |
|
56 | pinned.update([par.rev() for par in repo[None].parents()]) | |
57 | pinned.update([cl.rev(bm) for bm in repo._bookmarks.values()]) |
|
57 | pinned.update([cl.rev(bm) for bm in repo._bookmarks.values()]) | |
58 |
|
58 | |||
59 | tags = {} |
|
59 | tags = {} | |
60 | tagsmod.readlocaltags(repo.ui, repo, tags, {}) |
|
60 | tagsmod.readlocaltags(repo.ui, repo, tags, {}) | |
61 | if tags: |
|
61 | if tags: | |
62 | rev, nodemap = cl.rev, cl.nodemap |
|
62 | rev, nodemap = cl.rev, cl.nodemap | |
63 | pinned.update(rev(t[0]) for t in tags.values() if t[0] in nodemap) |
|
63 | pinned.update(rev(t[0]) for t in tags.values() if t[0] in nodemap) | |
64 | return pinned |
|
64 | return pinned | |
65 |
|
65 | |||
66 |
|
66 | |||
67 | def _revealancestors(pfunc, hidden, revs): |
|
67 | def _revealancestors(pfunc, hidden, revs): | |
68 | """reveals contiguous chains of hidden ancestors of 'revs' by removing them |
|
68 | """reveals contiguous chains of hidden ancestors of 'revs' by removing them | |
69 | from 'hidden' |
|
69 | from 'hidden' | |
70 |
|
70 | |||
71 | - pfunc(r): a funtion returning parent of 'r', |
|
71 | - pfunc(r): a funtion returning parent of 'r', | |
72 | - hidden: the (preliminary) hidden revisions, to be updated |
|
72 | - hidden: the (preliminary) hidden revisions, to be updated | |
73 | - revs: iterable of revnum, |
|
73 | - revs: iterable of revnum, | |
74 |
|
74 | |||
75 | (Ancestors are revealed exclusively, i.e. the elements in 'revs' are |
|
75 | (Ancestors are revealed exclusively, i.e. the elements in 'revs' are | |
76 | *not* revealed) |
|
76 | *not* revealed) | |
77 | """ |
|
77 | """ | |
78 | stack = list(revs) |
|
78 | stack = list(revs) | |
79 | while stack: |
|
79 | while stack: | |
80 | for p in pfunc(stack.pop()): |
|
80 | for p in pfunc(stack.pop()): | |
81 | if p != nullrev and p in hidden: |
|
81 | if p != nullrev and p in hidden: | |
82 | hidden.remove(p) |
|
82 | hidden.remove(p) | |
83 | stack.append(p) |
|
83 | stack.append(p) | |
84 |
|
84 | |||
85 |
|
85 | |||
86 | def computehidden(repo, visibilityexceptions=None): |
|
86 | def computehidden(repo, visibilityexceptions=None): | |
87 | """compute the set of hidden revision to filter |
|
87 | """compute the set of hidden revision to filter | |
88 |
|
88 | |||
89 | During most operation hidden should be filtered.""" |
|
89 | During most operation hidden should be filtered.""" | |
90 | assert not repo.changelog.filteredrevs |
|
90 | assert not repo.changelog.filteredrevs | |
91 |
|
91 | |||
92 | hidden = hideablerevs(repo) |
|
92 | hidden = hideablerevs(repo) | |
93 | if hidden: |
|
93 | if hidden: | |
94 | hidden = set(hidden - pinnedrevs(repo)) |
|
94 | hidden = set(hidden - pinnedrevs(repo)) | |
95 | if visibilityexceptions: |
|
95 | if visibilityexceptions: | |
96 | hidden -= visibilityexceptions |
|
96 | hidden -= visibilityexceptions | |
97 | pfunc = repo.changelog.parentrevs |
|
97 | pfunc = repo.changelog.parentrevs | |
98 | mutable = repo._phasecache.getrevset(repo, phases.mutablephases) |
|
98 | mutable = repo._phasecache.getrevset(repo, phases.mutablephases) | |
99 |
|
99 | |||
100 | visible = mutable - hidden |
|
100 | visible = mutable - hidden | |
101 | _revealancestors(pfunc, hidden, visible) |
|
101 | _revealancestors(pfunc, hidden, visible) | |
102 | return frozenset(hidden) |
|
102 | return frozenset(hidden) | |
103 |
|
103 | |||
104 |
|
104 | |||
105 | def computesecret(repo, visibilityexceptions=None): |
|
105 | def computesecret(repo, visibilityexceptions=None): | |
106 | """compute the set of revision that can never be exposed through hgweb |
|
106 | """compute the set of revision that can never be exposed through hgweb | |
107 |
|
107 | |||
108 | Changeset in the secret phase (or above) should stay unaccessible.""" |
|
108 | Changeset in the secret phase (or above) should stay unaccessible.""" | |
109 | assert not repo.changelog.filteredrevs |
|
109 | assert not repo.changelog.filteredrevs | |
110 | secrets = repo._phasecache.getrevset(repo, phases.remotehiddenphases) |
|
110 | secrets = repo._phasecache.getrevset(repo, phases.remotehiddenphases) | |
111 | return frozenset(secrets) |
|
111 | return frozenset(secrets) | |
112 |
|
112 | |||
113 |
|
113 | |||
114 | def computeunserved(repo, visibilityexceptions=None): |
|
114 | def computeunserved(repo, visibilityexceptions=None): | |
115 | """compute the set of revision that should be filtered when used a server |
|
115 | """compute the set of revision that should be filtered when used a server | |
116 |
|
116 | |||
117 | Secret and hidden changeset should not pretend to be here.""" |
|
117 | Secret and hidden changeset should not pretend to be here.""" | |
118 | assert not repo.changelog.filteredrevs |
|
118 | assert not repo.changelog.filteredrevs | |
119 | # fast path in simple case to avoid impact of non optimised code |
|
119 | # fast path in simple case to avoid impact of non optimised code | |
120 | hiddens = filterrevs(repo, b'visible') |
|
120 | hiddens = filterrevs(repo, b'visible') | |
121 | secrets = filterrevs(repo, b'served.hidden') |
|
121 | secrets = filterrevs(repo, b'served.hidden') | |
122 | if secrets: |
|
122 | if secrets: | |
123 | return frozenset(hiddens | secrets) |
|
123 | return frozenset(hiddens | secrets) | |
124 | else: |
|
124 | else: | |
125 | return hiddens |
|
125 | return hiddens | |
126 |
|
126 | |||
127 |
|
127 | |||
128 | def computemutable(repo, visibilityexceptions=None): |
|
128 | def computemutable(repo, visibilityexceptions=None): | |
129 | assert not repo.changelog.filteredrevs |
|
129 | assert not repo.changelog.filteredrevs | |
130 | # fast check to avoid revset call on huge repo |
|
130 | # fast check to avoid revset call on huge repo | |
131 | if any(repo._phasecache.phaseroots[1:]): |
|
131 | if any(repo._phasecache.phaseroots[1:]): | |
132 | getphase = repo._phasecache.phase |
|
132 | getphase = repo._phasecache.phase | |
133 | maymutable = filterrevs(repo, b'base') |
|
133 | maymutable = filterrevs(repo, b'base') | |
134 | return frozenset(r for r in maymutable if getphase(repo, r)) |
|
134 | return frozenset(r for r in maymutable if getphase(repo, r)) | |
135 | return frozenset() |
|
135 | return frozenset() | |
136 |
|
136 | |||
137 |
|
137 | |||
138 | def computeimpactable(repo, visibilityexceptions=None): |
|
138 | def computeimpactable(repo, visibilityexceptions=None): | |
139 | """Everything impactable by mutable revision |
|
139 | """Everything impactable by mutable revision | |
140 |
|
140 | |||
141 | The immutable filter still have some chance to get invalidated. This will |
|
141 | The immutable filter still have some chance to get invalidated. This will | |
142 | happen when: |
|
142 | happen when: | |
143 |
|
143 | |||
144 | - you garbage collect hidden changeset, |
|
144 | - you garbage collect hidden changeset, | |
145 | - public phase is moved backward, |
|
145 | - public phase is moved backward, | |
146 | - something is changed in the filtering (this could be fixed) |
|
146 | - something is changed in the filtering (this could be fixed) | |
147 |
|
147 | |||
148 | This filter out any mutable changeset and any public changeset that may be |
|
148 | This filter out any mutable changeset and any public changeset that may be | |
149 | impacted by something happening to a mutable revision. |
|
149 | impacted by something happening to a mutable revision. | |
150 |
|
150 | |||
151 | This is achieved by filtered everything with a revision number egal or |
|
151 | This is achieved by filtered everything with a revision number egal or | |
152 | higher than the first mutable changeset is filtered.""" |
|
152 | higher than the first mutable changeset is filtered.""" | |
153 | assert not repo.changelog.filteredrevs |
|
153 | assert not repo.changelog.filteredrevs | |
154 | cl = repo.changelog |
|
154 | cl = repo.changelog | |
155 | firstmutable = len(cl) |
|
155 | firstmutable = len(cl) | |
156 | for roots in repo._phasecache.phaseroots[1:]: |
|
156 | for roots in repo._phasecache.phaseroots[1:]: | |
157 | if roots: |
|
157 | if roots: | |
158 | firstmutable = min(firstmutable, min(cl.rev(r) for r in roots)) |
|
158 | firstmutable = min(firstmutable, min(cl.rev(r) for r in roots)) | |
159 | # protect from nullrev root |
|
159 | # protect from nullrev root | |
160 | firstmutable = max(0, firstmutable) |
|
160 | firstmutable = max(0, firstmutable) | |
161 | return frozenset(pycompat.xrange(firstmutable, len(cl))) |
|
161 | return frozenset(pycompat.xrange(firstmutable, len(cl))) | |
162 |
|
162 | |||
163 |
|
163 | |||
164 | # function to compute filtered set |
|
164 | # function to compute filtered set | |
165 | # |
|
165 | # | |
166 | # When adding a new filter you MUST update the table at: |
|
166 | # When adding a new filter you MUST update the table at: | |
167 | # mercurial.utils.repoviewutil.subsettable |
|
167 | # mercurial.utils.repoviewutil.subsettable | |
168 | # Otherwise your filter will have to recompute all its branches cache |
|
168 | # Otherwise your filter will have to recompute all its branches cache | |
169 | # from scratch (very slow). |
|
169 | # from scratch (very slow). | |
170 | filtertable = { |
|
170 | filtertable = { | |
171 | b'visible': computehidden, |
|
171 | b'visible': computehidden, | |
172 | b'visible-hidden': computehidden, |
|
172 | b'visible-hidden': computehidden, | |
173 | b'served.hidden': computesecret, |
|
173 | b'served.hidden': computesecret, | |
174 | b'served': computeunserved, |
|
174 | b'served': computeunserved, | |
175 | b'immutable': computemutable, |
|
175 | b'immutable': computemutable, | |
176 | b'base': computeimpactable, |
|
176 | b'base': computeimpactable, | |
177 | } |
|
177 | } | |
178 |
|
178 | |||
179 | _basefiltername = list(filtertable) |
|
179 | _basefiltername = list(filtertable) | |
180 |
|
180 | |||
181 |
|
181 | |||
182 | def extrafilter(ui): |
|
182 | def extrafilter(ui): | |
183 | """initialize extra filter and return its id |
|
183 | """initialize extra filter and return its id | |
184 |
|
184 | |||
185 | If extra filtering is configured, we make sure the associated filtered view |
|
185 | If extra filtering is configured, we make sure the associated filtered view | |
186 | are declared and return the associated id. |
|
186 | are declared and return the associated id. | |
187 | """ |
|
187 | """ | |
188 | frevs = ui.config(b'experimental', b'extra-filter-revs') |
|
188 | frevs = ui.config(b'experimental', b'extra-filter-revs') | |
189 | if frevs is None: |
|
189 | if frevs is None: | |
190 | return None |
|
190 | return None | |
191 |
|
191 | |||
192 | fid = pycompat.sysbytes(util.DIGESTS[b'sha1'](frevs).hexdigest())[:12] |
|
192 | fid = pycompat.sysbytes(util.DIGESTS[b'sha1'](frevs).hexdigest())[:12] | |
193 |
|
193 | |||
194 | combine = lambda fname: fname + b'%' + fid |
|
194 | combine = lambda fname: fname + b'%' + fid | |
195 |
|
195 | |||
196 | subsettable = repoviewutil.subsettable |
|
196 | subsettable = repoviewutil.subsettable | |
197 |
|
197 | |||
198 | if combine(b'base') not in filtertable: |
|
198 | if combine(b'base') not in filtertable: | |
199 | for name in _basefiltername: |
|
199 | for name in _basefiltername: | |
200 |
|
200 | |||
201 | def extrafilteredrevs(repo, *args, **kwargs): |
|
201 | def extrafilteredrevs(repo, *args, **kwargs): | |
202 | baserevs = filtertable[name](repo, *args, **kwargs) |
|
202 | baserevs = filtertable[name](repo, *args, **kwargs) | |
203 | extrarevs = frozenset(repo.revs(frevs)) |
|
203 | extrarevs = frozenset(repo.revs(frevs)) | |
204 | return baserevs | extrarevs |
|
204 | return baserevs | extrarevs | |
205 |
|
205 | |||
206 | filtertable[combine(name)] = extrafilteredrevs |
|
206 | filtertable[combine(name)] = extrafilteredrevs | |
207 | if name in subsettable: |
|
207 | if name in subsettable: | |
208 | subsettable[combine(name)] = combine(subsettable[name]) |
|
208 | subsettable[combine(name)] = combine(subsettable[name]) | |
209 | return fid |
|
209 | return fid | |
210 |
|
210 | |||
211 |
|
211 | |||
212 | def filterrevs(repo, filtername, visibilityexceptions=None): |
|
212 | def filterrevs(repo, filtername, visibilityexceptions=None): | |
213 | """returns set of filtered revision for this filter name |
|
213 | """returns set of filtered revision for this filter name | |
214 |
|
214 | |||
215 | visibilityexceptions is a set of revs which must are exceptions for |
|
215 | visibilityexceptions is a set of revs which must are exceptions for | |
216 | hidden-state and must be visible. They are dynamic and hence we should not |
|
216 | hidden-state and must be visible. They are dynamic and hence we should not | |
217 | cache it's result""" |
|
217 | cache it's result""" | |
218 | if filtername not in repo.filteredrevcache: |
|
218 | if filtername not in repo.filteredrevcache: | |
219 | func = filtertable[filtername] |
|
219 | func = filtertable[filtername] | |
220 | if visibilityexceptions: |
|
220 | if visibilityexceptions: | |
221 | return func(repo.unfiltered, visibilityexceptions) |
|
221 | return func(repo.unfiltered, visibilityexceptions) | |
222 | repo.filteredrevcache[filtername] = func(repo.unfiltered()) |
|
222 | repo.filteredrevcache[filtername] = func(repo.unfiltered()) | |
223 | return repo.filteredrevcache[filtername] |
|
223 | return repo.filteredrevcache[filtername] | |
224 |
|
224 | |||
225 |
|
225 | |||
226 | def wrapchangelog(unfichangelog, filteredrevs): |
|
226 | def wrapchangelog(unfichangelog, filteredrevs): | |
227 | cl = copy.copy(unfichangelog) |
|
227 | cl = copy.copy(unfichangelog) | |
228 | cl.filteredrevs = filteredrevs |
|
228 | cl.filteredrevs = filteredrevs | |
229 |
|
229 | |||
230 | class filteredchangelog(cl.__class__): |
|
230 | cl.__class__ = type( | |
231 | def tiprev(self): |
|
231 | 'filteredchangelog', (filteredchangelogmixin, cl.__class__), {} | |
232 | """filtered version of revlog.tiprev""" |
|
232 | ) | |
233 | for i in pycompat.xrange(len(self) - 1, -2, -1): |
|
|||
234 | if i not in self.filteredrevs: |
|
|||
235 | return i |
|
|||
236 |
|
233 | |||
237 | def __contains__(self, rev): |
|
234 | return cl | |
238 | """filtered version of revlog.__contains__""" |
|
235 | ||
239 | return 0 <= rev < len(self) and rev not in self.filteredrevs |
|
|||
240 |
|
236 | |||
241 | def __iter__(self): |
|
237 | class filteredchangelogmixin(object): | |
242 | """filtered version of revlog.__iter__""" |
|
238 | def tiprev(self): | |
|
239 | """filtered version of revlog.tiprev""" | |||
|
240 | for i in pycompat.xrange(len(self) - 1, -2, -1): | |||
|
241 | if i not in self.filteredrevs: | |||
|
242 | return i | |||
243 |
|
243 | |||
244 | def filterediter(): |
|
244 | def __contains__(self, rev): | |
245 | for i in pycompat.xrange(len(self)): |
|
245 | """filtered version of revlog.__contains__""" | |
246 |
|
|
246 | return 0 <= rev < len(self) and rev not in self.filteredrevs | |
247 | yield i |
|
|||
248 |
|
247 | |||
249 | return filterediter() |
|
248 | def __iter__(self): | |
|
249 | """filtered version of revlog.__iter__""" | |||
250 |
|
250 | |||
251 | def revs(self, start=0, stop=None): |
|
251 | def filterediter(): | |
252 | """filtered version of revlog.revs""" |
|
252 | for i in pycompat.xrange(len(self)): | |
253 | for i in super(filteredchangelog, self).revs(start, stop): |
|
|||
254 | if i not in self.filteredrevs: |
|
253 | if i not in self.filteredrevs: | |
255 | yield i |
|
254 | yield i | |
256 |
|
255 | |||
257 | def _checknofilteredinrevs(self, revs): |
|
256 | return filterediter() | |
258 | """raise the appropriate error if 'revs' contains a filtered revision |
|
257 | ||
|
258 | def revs(self, start=0, stop=None): | |||
|
259 | """filtered version of revlog.revs""" | |||
|
260 | for i in super(filteredchangelogmixin, self).revs(start, stop): | |||
|
261 | if i not in self.filteredrevs: | |||
|
262 | yield i | |||
259 |
|
263 | |||
260 | This returns a version of 'revs' to be used thereafter by the caller. |
|
264 | def _checknofilteredinrevs(self, revs): | |
261 | In particular, if revs is an iterator, it is converted into a set. |
|
265 | """raise the appropriate error if 'revs' contains a filtered revision | |
262 | """ |
|
266 | ||
263 | safehasattr = util.safehasattr |
|
267 | This returns a version of 'revs' to be used thereafter by the caller. | |
264 | if safehasattr(revs, '__next__'): |
|
268 | In particular, if revs is an iterator, it is converted into a set. | |
265 | # Note that inspect.isgenerator() is not true for iterators, |
|
269 | """ | |
266 | revs = set(revs) |
|
270 | safehasattr = util.safehasattr | |
|
271 | if safehasattr(revs, '__next__'): | |||
|
272 | # Note that inspect.isgenerator() is not true for iterators, | |||
|
273 | revs = set(revs) | |||
267 |
|
274 | |||
268 |
|
|
275 | filteredrevs = self.filteredrevs | |
269 |
|
|
276 | if safehasattr(revs, 'first'): # smartset | |
270 |
|
|
277 | offenders = revs & filteredrevs | |
271 |
|
|
278 | else: | |
272 |
|
|
279 | offenders = filteredrevs.intersection(revs) | |
273 |
|
||||
274 | for rev in offenders: |
|
|||
275 | raise error.FilteredIndexError(rev) |
|
|||
276 | return revs |
|
|||
277 |
|
280 | |||
278 | def headrevs(self, revs=None): |
|
281 | for rev in offenders: | |
279 | if revs is None: |
|
282 | raise error.FilteredIndexError(rev) | |
280 | try: |
|
283 | return revs | |
281 | return self.index.headrevsfiltered(self.filteredrevs) |
|
|||
282 | # AttributeError covers non-c-extension environments and |
|
|||
283 | # old c extensions without filter handling. |
|
|||
284 | except AttributeError: |
|
|||
285 | return self._headrevs() |
|
|||
286 |
|
284 | |||
287 | revs = self._checknofilteredinrevs(revs) |
|
285 | def headrevs(self, revs=None): | |
288 | return super(filteredchangelog, self).headrevs(revs) |
|
286 | if revs is None: | |
|
287 | try: | |||
|
288 | return self.index.headrevsfiltered(self.filteredrevs) | |||
|
289 | # AttributeError covers non-c-extension environments and | |||
|
290 | # old c extensions without filter handling. | |||
|
291 | except AttributeError: | |||
|
292 | return self._headrevs() | |||
289 |
|
293 | |||
290 | def strip(self, *args, **kwargs): |
|
294 | revs = self._checknofilteredinrevs(revs) | |
291 | # XXX make something better than assert |
|
295 | return super(filteredchangelogmixin, self).headrevs(revs) | |
292 | # We can't expect proper strip behavior if we are filtered. |
|
296 | ||
293 | assert not self.filteredrevs |
|
297 | def strip(self, *args, **kwargs): | |
294 | super(filteredchangelog, self).strip(*args, **kwargs) |
|
298 | # XXX make something better than assert | |
|
299 | # We can't expect proper strip behavior if we are filtered. | |||
|
300 | assert not self.filteredrevs | |||
|
301 | super(filteredchangelogmixin, self).strip(*args, **kwargs) | |||
295 |
|
302 | |||
296 |
|
|
303 | def rev(self, node): | |
297 |
|
|
304 | """filtered version of revlog.rev""" | |
298 |
|
|
305 | r = super(filteredchangelogmixin, self).rev(node) | |
299 |
|
|
306 | if r in self.filteredrevs: | |
300 |
|
|
307 | raise error.FilteredLookupError( | |
301 |
|
|
308 | hex(node), self.indexfile, _(b'filtered node') | |
302 |
|
|
309 | ) | |
303 |
|
|
310 | return r | |
304 |
|
||||
305 | def node(self, rev): |
|
|||
306 | """filtered version of revlog.node""" |
|
|||
307 | if rev in self.filteredrevs: |
|
|||
308 | raise error.FilteredIndexError(rev) |
|
|||
309 | return super(filteredchangelog, self).node(rev) |
|
|||
310 |
|
311 | |||
311 |
|
|
312 | def node(self, rev): | |
312 |
|
|
313 | """filtered version of revlog.node""" | |
313 |
|
|
314 | if rev in self.filteredrevs: | |
314 |
|
|
315 | raise error.FilteredIndexError(rev) | |
315 |
|
|
316 | return super(filteredchangelogmixin, self).node(rev) | |
|
317 | ||||
|
318 | def linkrev(self, rev): | |||
|
319 | """filtered version of revlog.linkrev""" | |||
|
320 | if rev in self.filteredrevs: | |||
|
321 | raise error.FilteredIndexError(rev) | |||
|
322 | return super(filteredchangelogmixin, self).linkrev(rev) | |||
316 |
|
323 | |||
317 |
|
|
324 | def parentrevs(self, rev): | |
318 |
|
|
325 | """filtered version of revlog.parentrevs""" | |
319 |
|
|
326 | if rev in self.filteredrevs: | |
320 |
|
|
327 | raise error.FilteredIndexError(rev) | |
321 |
|
|
328 | return super(filteredchangelogmixin, self).parentrevs(rev) | |
322 |
|
329 | |||
323 |
|
|
330 | def flags(self, rev): | |
324 |
|
|
331 | """filtered version of revlog.flags""" | |
325 |
|
|
332 | if rev in self.filteredrevs: | |
326 |
|
|
333 | raise error.FilteredIndexError(rev) | |
327 |
|
|
334 | return super(filteredchangelogmixin, self).flags(rev) | |
328 |
|
||||
329 | cl.__class__ = filteredchangelog |
|
|||
330 |
|
||||
331 | return cl |
|
|||
332 |
|
335 | |||
333 |
|
336 | |||
334 | class repoview(object): |
|
337 | class repoview(object): | |
335 | """Provide a read/write view of a repo through a filtered changelog |
|
338 | """Provide a read/write view of a repo through a filtered changelog | |
336 |
|
339 | |||
337 | This object is used to access a filtered version of a repository without |
|
340 | This object is used to access a filtered version of a repository without | |
338 | altering the original repository object itself. We can not alter the |
|
341 | altering the original repository object itself. We can not alter the | |
339 | original object for two main reasons: |
|
342 | original object for two main reasons: | |
340 | - It prevents the use of a repo with multiple filters at the same time. In |
|
343 | - It prevents the use of a repo with multiple filters at the same time. In | |
341 | particular when multiple threads are involved. |
|
344 | particular when multiple threads are involved. | |
342 | - It makes scope of the filtering harder to control. |
|
345 | - It makes scope of the filtering harder to control. | |
343 |
|
346 | |||
344 | This object behaves very closely to the original repository. All attribute |
|
347 | This object behaves very closely to the original repository. All attribute | |
345 | operations are done on the original repository: |
|
348 | operations are done on the original repository: | |
346 | - An access to `repoview.someattr` actually returns `repo.someattr`, |
|
349 | - An access to `repoview.someattr` actually returns `repo.someattr`, | |
347 | - A write to `repoview.someattr` actually sets value of `repo.someattr`, |
|
350 | - A write to `repoview.someattr` actually sets value of `repo.someattr`, | |
348 | - A deletion of `repoview.someattr` actually drops `someattr` |
|
351 | - A deletion of `repoview.someattr` actually drops `someattr` | |
349 | from `repo.__dict__`. |
|
352 | from `repo.__dict__`. | |
350 |
|
353 | |||
351 | The only exception is the `changelog` property. It is overridden to return |
|
354 | The only exception is the `changelog` property. It is overridden to return | |
352 | a (surface) copy of `repo.changelog` with some revisions filtered. The |
|
355 | a (surface) copy of `repo.changelog` with some revisions filtered. The | |
353 | `filtername` attribute of the view control the revisions that need to be |
|
356 | `filtername` attribute of the view control the revisions that need to be | |
354 | filtered. (the fact the changelog is copied is an implementation detail). |
|
357 | filtered. (the fact the changelog is copied is an implementation detail). | |
355 |
|
358 | |||
356 | Unlike attributes, this object intercepts all method calls. This means that |
|
359 | Unlike attributes, this object intercepts all method calls. This means that | |
357 | all methods are run on the `repoview` object with the filtered `changelog` |
|
360 | all methods are run on the `repoview` object with the filtered `changelog` | |
358 | property. For this purpose the simple `repoview` class must be mixed with |
|
361 | property. For this purpose the simple `repoview` class must be mixed with | |
359 | the actual class of the repository. This ensures that the resulting |
|
362 | the actual class of the repository. This ensures that the resulting | |
360 | `repoview` object have the very same methods than the repo object. This |
|
363 | `repoview` object have the very same methods than the repo object. This | |
361 | leads to the property below. |
|
364 | leads to the property below. | |
362 |
|
365 | |||
363 | repoview.method() --> repo.__class__.method(repoview) |
|
366 | repoview.method() --> repo.__class__.method(repoview) | |
364 |
|
367 | |||
365 | The inheritance has to be done dynamically because `repo` can be of any |
|
368 | The inheritance has to be done dynamically because `repo` can be of any | |
366 | subclasses of `localrepo`. Eg: `bundlerepo` or `statichttprepo`. |
|
369 | subclasses of `localrepo`. Eg: `bundlerepo` or `statichttprepo`. | |
367 | """ |
|
370 | """ | |
368 |
|
371 | |||
369 | def __init__(self, repo, filtername, visibilityexceptions=None): |
|
372 | def __init__(self, repo, filtername, visibilityexceptions=None): | |
370 | object.__setattr__(self, r'_unfilteredrepo', repo) |
|
373 | object.__setattr__(self, r'_unfilteredrepo', repo) | |
371 | object.__setattr__(self, r'filtername', filtername) |
|
374 | object.__setattr__(self, r'filtername', filtername) | |
372 | object.__setattr__(self, r'_clcachekey', None) |
|
375 | object.__setattr__(self, r'_clcachekey', None) | |
373 | object.__setattr__(self, r'_clcache', None) |
|
376 | object.__setattr__(self, r'_clcache', None) | |
374 | # revs which are exceptions and must not be hidden |
|
377 | # revs which are exceptions and must not be hidden | |
375 | object.__setattr__(self, r'_visibilityexceptions', visibilityexceptions) |
|
378 | object.__setattr__(self, r'_visibilityexceptions', visibilityexceptions) | |
376 |
|
379 | |||
377 | # not a propertycache on purpose we shall implement a proper cache later |
|
380 | # not a propertycache on purpose we shall implement a proper cache later | |
378 | @property |
|
381 | @property | |
379 | def changelog(self): |
|
382 | def changelog(self): | |
380 | """return a filtered version of the changeset |
|
383 | """return a filtered version of the changeset | |
381 |
|
384 | |||
382 | this changelog must not be used for writing""" |
|
385 | this changelog must not be used for writing""" | |
383 | # some cache may be implemented later |
|
386 | # some cache may be implemented later | |
384 | unfi = self._unfilteredrepo |
|
387 | unfi = self._unfilteredrepo | |
385 | unfichangelog = unfi.changelog |
|
388 | unfichangelog = unfi.changelog | |
386 | # bypass call to changelog.method |
|
389 | # bypass call to changelog.method | |
387 | unfiindex = unfichangelog.index |
|
390 | unfiindex = unfichangelog.index | |
388 | unfilen = len(unfiindex) |
|
391 | unfilen = len(unfiindex) | |
389 | unfinode = unfiindex[unfilen - 1][7] |
|
392 | unfinode = unfiindex[unfilen - 1][7] | |
390 | with util.timedcm('repo filter for %s', self.filtername): |
|
393 | with util.timedcm('repo filter for %s', self.filtername): | |
391 | revs = filterrevs(unfi, self.filtername, self._visibilityexceptions) |
|
394 | revs = filterrevs(unfi, self.filtername, self._visibilityexceptions) | |
392 | cl = self._clcache |
|
395 | cl = self._clcache | |
393 | newkey = (unfilen, unfinode, hash(revs), unfichangelog._delayed) |
|
396 | newkey = (unfilen, unfinode, hash(revs), unfichangelog._delayed) | |
394 | # if cl.index is not unfiindex, unfi.changelog would be |
|
397 | # if cl.index is not unfiindex, unfi.changelog would be | |
395 | # recreated, and our clcache refers to garbage object |
|
398 | # recreated, and our clcache refers to garbage object | |
396 | if cl is not None and ( |
|
399 | if cl is not None and ( | |
397 | cl.index is not unfiindex or newkey != self._clcachekey |
|
400 | cl.index is not unfiindex or newkey != self._clcachekey | |
398 | ): |
|
401 | ): | |
399 | cl = None |
|
402 | cl = None | |
400 | # could have been made None by the previous if |
|
403 | # could have been made None by the previous if | |
401 | if cl is None: |
|
404 | if cl is None: | |
402 | # Only filter if there's something to filter |
|
405 | # Only filter if there's something to filter | |
403 | cl = wrapchangelog(unfichangelog, revs) if revs else unfichangelog |
|
406 | cl = wrapchangelog(unfichangelog, revs) if revs else unfichangelog | |
404 | object.__setattr__(self, r'_clcache', cl) |
|
407 | object.__setattr__(self, r'_clcache', cl) | |
405 | object.__setattr__(self, r'_clcachekey', newkey) |
|
408 | object.__setattr__(self, r'_clcachekey', newkey) | |
406 | return cl |
|
409 | return cl | |
407 |
|
410 | |||
408 | def unfiltered(self): |
|
411 | def unfiltered(self): | |
409 | """Return an unfiltered version of a repo""" |
|
412 | """Return an unfiltered version of a repo""" | |
410 | return self._unfilteredrepo |
|
413 | return self._unfilteredrepo | |
411 |
|
414 | |||
412 | def filtered(self, name, visibilityexceptions=None): |
|
415 | def filtered(self, name, visibilityexceptions=None): | |
413 | """Return a filtered version of a repository""" |
|
416 | """Return a filtered version of a repository""" | |
414 | if name == self.filtername and not visibilityexceptions: |
|
417 | if name == self.filtername and not visibilityexceptions: | |
415 | return self |
|
418 | return self | |
416 | return self.unfiltered().filtered(name, visibilityexceptions) |
|
419 | return self.unfiltered().filtered(name, visibilityexceptions) | |
417 |
|
420 | |||
418 | def __repr__(self): |
|
421 | def __repr__(self): | |
419 | return r'<%s:%s %r>' % ( |
|
422 | return r'<%s:%s %r>' % ( | |
420 | self.__class__.__name__, |
|
423 | self.__class__.__name__, | |
421 | pycompat.sysstr(self.filtername), |
|
424 | pycompat.sysstr(self.filtername), | |
422 | self.unfiltered(), |
|
425 | self.unfiltered(), | |
423 | ) |
|
426 | ) | |
424 |
|
427 | |||
425 | # everything access are forwarded to the proxied repo |
|
428 | # everything access are forwarded to the proxied repo | |
426 | def __getattr__(self, attr): |
|
429 | def __getattr__(self, attr): | |
427 | return getattr(self._unfilteredrepo, attr) |
|
430 | return getattr(self._unfilteredrepo, attr) | |
428 |
|
431 | |||
429 | def __setattr__(self, attr, value): |
|
432 | def __setattr__(self, attr, value): | |
430 | return setattr(self._unfilteredrepo, attr, value) |
|
433 | return setattr(self._unfilteredrepo, attr, value) | |
431 |
|
434 | |||
432 | def __delattr__(self, attr): |
|
435 | def __delattr__(self, attr): | |
433 | return delattr(self._unfilteredrepo, attr) |
|
436 | return delattr(self._unfilteredrepo, attr) | |
434 |
|
437 | |||
435 |
|
438 | |||
436 | # Python <3.4 easily leaks types via __mro__. See |
|
439 | # Python <3.4 easily leaks types via __mro__. See | |
437 | # https://bugs.python.org/issue17950. We cache dynamically created types |
|
440 | # https://bugs.python.org/issue17950. We cache dynamically created types | |
438 | # so they won't be leaked on every invocation of repo.filtered(). |
|
441 | # so they won't be leaked on every invocation of repo.filtered(). | |
439 | _filteredrepotypes = weakref.WeakKeyDictionary() |
|
442 | _filteredrepotypes = weakref.WeakKeyDictionary() | |
440 |
|
443 | |||
441 |
|
444 | |||
442 | def newtype(base): |
|
445 | def newtype(base): | |
443 | """Create a new type with the repoview mixin and the given base class""" |
|
446 | """Create a new type with the repoview mixin and the given base class""" | |
444 | if base not in _filteredrepotypes: |
|
447 | if base not in _filteredrepotypes: | |
445 |
|
448 | |||
446 | class filteredrepo(repoview, base): |
|
449 | class filteredrepo(repoview, base): | |
447 | pass |
|
450 | pass | |
448 |
|
451 | |||
449 | _filteredrepotypes[base] = filteredrepo |
|
452 | _filteredrepotypes[base] = filteredrepo | |
450 | return _filteredrepotypes[base] |
|
453 | return _filteredrepotypes[base] |
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