Mercurial > hg
annotate mercurial/branchmap.py @ 39534:fd9029d36c41
ancestor: return early from _lazyancestorsiter() when reached to stoprev
There's no need to empty the heap.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Mon, 10 Sep 2018 21:46:19 +0900 |
parents | 8547c8590ac1 |
children | d99a588d8515 |
rev | line source |
---|---|
18116
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
1 # branchmap.py - logic to computes, maintain and stores branchmap for local repo |
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
2 # |
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
3 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
4 # |
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
5 # This software may be used and distributed according to the terms of the |
bcee63733aad
branchmap: create a mercurial.branchmap module
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
diff
changeset
|
6 # GNU General Public License version 2 or any later version. |
18117
526e7ec5c96e
branchmap: extract write logic from localrepo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18116
diff
changeset
|
7 |
25918
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
8 from __future__ import absolute_import |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
9 |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
10 import struct |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
11 |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
12 from .node import ( |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
13 bin, |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
14 hex, |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
15 nullid, |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
16 nullrev, |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
17 ) |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
18 from . import ( |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
19 encoding, |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26460
diff
changeset
|
20 error, |
35831
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
21 pycompat, |
25918
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
22 scmutil, |
30975
22fbca1d11ed
mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents:
29746
diff
changeset
|
23 util, |
25918
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
24 ) |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
25 from .utils import ( |
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
26 stringutil, |
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
27 ) |
25918
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
28 |
47f36e050c2e
branchmap: use absolute_import
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25660
diff
changeset
|
29 calcsize = struct.calcsize |
31370
906be86990c4
rbc: use struct unpack_from and pack_into instead of unpack and pack
Mads Kiilerich <madski@unity3d.com>
parents:
31360
diff
changeset
|
30 pack_into = struct.pack_into |
906be86990c4
rbc: use struct unpack_from and pack_into instead of unpack and pack
Mads Kiilerich <madski@unity3d.com>
parents:
31360
diff
changeset
|
31 unpack_from = struct.unpack_from |
18117
526e7ec5c96e
branchmap: extract write logic from localrepo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18116
diff
changeset
|
32 |
18185
5a047276764e
branchmap: move the cache file name into a dedicated function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18184
diff
changeset
|
33 def _filename(repo): |
18187
4df8716d32f1
branchmap: use a different file name for filtered view of repo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18185
diff
changeset
|
34 """name of a branchcache file for a given repo or repoview""" |
33534
2715a4fc0684
cachevfs: use the new vfs in when computing branchmap cache
Boris Feld <boris.feld@octobus.net>
parents:
32281
diff
changeset
|
35 filename = "branch2" |
18187
4df8716d32f1
branchmap: use a different file name for filtered view of repo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18185
diff
changeset
|
36 if repo.filtername: |
4df8716d32f1
branchmap: use a different file name for filtered view of repo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18185
diff
changeset
|
37 filename = '%s-%s' % (filename, repo.filtername) |
4df8716d32f1
branchmap: use a different file name for filtered view of repo
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18185
diff
changeset
|
38 return filename |
18185
5a047276764e
branchmap: move the cache file name into a dedicated function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18184
diff
changeset
|
39 |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
40 def read(repo): |
39137
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
41 f = None |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
42 try: |
33534
2715a4fc0684
cachevfs: use the new vfs in when computing branchmap cache
Boris Feld <boris.feld@octobus.net>
parents:
32281
diff
changeset
|
43 f = repo.cachevfs(_filename(repo)) |
39138
8547c8590ac1
branchmap: explicitly convert file into iterator
Yuya Nishihara <yuya@tcha.org>
parents:
39137
diff
changeset
|
44 lineiter = iter(f) |
8547c8590ac1
branchmap: explicitly convert file into iterator
Yuya Nishihara <yuya@tcha.org>
parents:
39137
diff
changeset
|
45 cachekey = next(lineiter).rstrip('\n').split(" ", 2) |
18184
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
46 last, lrev = cachekey[:2] |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
47 last, lrev = bin(last), int(lrev) |
18184
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
48 filteredhash = None |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
49 if len(cachekey) > 2: |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
50 filteredhash = bin(cachekey[2]) |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
51 partial = branchcache(tipnode=last, tiprev=lrev, |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
52 filteredhash=filteredhash) |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
53 if not partial.validfor(repo): |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
54 # invalidate the cache |
35831
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
55 raise ValueError(r'tip differs') |
28364
f1460af18c50
branchmap: check node against changelog instead of repo
Durham Goode <durham@fb.com>
parents:
26587
diff
changeset
|
56 cl = repo.changelog |
39138
8547c8590ac1
branchmap: explicitly convert file into iterator
Yuya Nishihara <yuya@tcha.org>
parents:
39137
diff
changeset
|
57 for l in lineiter: |
39136
b892df0766e1
branchmap: strip '\n' read from cache file as before
Yuya Nishihara <yuya@tcha.org>
parents:
39115
diff
changeset
|
58 l = l.rstrip('\n') |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
59 if not l: |
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
60 continue |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
61 node, state, label = l.split(" ", 2) |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
62 if state not in 'oc': |
35831
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
63 raise ValueError(r'invalid branch state') |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
64 label = encoding.tolocal(label.strip()) |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
65 node = bin(node) |
28364
f1460af18c50
branchmap: check node against changelog instead of repo
Durham Goode <durham@fb.com>
parents:
26587
diff
changeset
|
66 if not cl.hasnode(node): |
35831
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
67 raise ValueError( |
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
68 r'node %s does not exist' % pycompat.sysstr(hex(node))) |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
69 partial.setdefault(label, []).append(node) |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
70 if state == 'c': |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
71 partial._closednodes.add(node) |
39115
2a4bfbb52111
branchmap: load branchmap as an iterable
Martijn Pieters <mj@octobus.net>
parents:
37084
diff
changeset
|
72 |
2a4bfbb52111
branchmap: load branchmap as an iterable
Martijn Pieters <mj@octobus.net>
parents:
37084
diff
changeset
|
73 except (IOError, OSError): |
2a4bfbb52111
branchmap: load branchmap as an iterable
Martijn Pieters <mj@octobus.net>
parents:
37084
diff
changeset
|
74 return None |
2a4bfbb52111
branchmap: load branchmap as an iterable
Martijn Pieters <mj@octobus.net>
parents:
37084
diff
changeset
|
75 |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25266
diff
changeset
|
76 except Exception as inst: |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
77 if repo.ui.debugflag: |
18188
46ed5226503a
branchmap: report filtername when read fails
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18187
diff
changeset
|
78 msg = 'invalid branchheads cache' |
46ed5226503a
branchmap: report filtername when read fails
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18187
diff
changeset
|
79 if repo.filtername is not None: |
46ed5226503a
branchmap: report filtername when read fails
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18187
diff
changeset
|
80 msg += ' (%s)' % repo.filtername |
46ed5226503a
branchmap: report filtername when read fails
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18187
diff
changeset
|
81 msg += ': %s\n' |
35831
a011e4140435
branchmap: make error messages consistent between Python 2 and 3
Augie Fackler <augie@google.com>
parents:
35495
diff
changeset
|
82 repo.ui.debug(msg % pycompat.bytestr(inst)) |
18212
493778b5fe9f
branchmap: read return None in case of failure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18189
diff
changeset
|
83 partial = None |
39137
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
84 |
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
85 finally: |
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
86 if f: |
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
87 f.close() |
dd1614906a20
branchmap: close cache file properly
Yuya Nishihara <yuya@tcha.org>
parents:
39136
diff
changeset
|
88 |
18126
090ada0acddb
branchmap: add the tiprev (cache key) on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18125
diff
changeset
|
89 return partial |
18118
e70ff1e599f4
branchmap: extract read logic from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18117
diff
changeset
|
90 |
20032
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
91 ### Nearest subset relation |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
92 # Nearest subset of filter X is a filter Y so that: |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
93 # * Y is included in X, |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
94 # * X - Y is as small as possible. |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
95 # This create and ordering used for branchmap purpose. |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
96 # the ordering may be partial |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
97 subsettable = {None: 'visible', |
35495
07fdac1d5c66
repoview: add a new filtername for accessing hidden commits
Pulkit Goyal <7895pulkit@gmail.com>
parents:
34370
diff
changeset
|
98 'visible-hidden': 'visible', |
20032
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
99 'visible': 'served', |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
100 'served': 'immutable', |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
101 'immutable': 'base'} |
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
102 |
18121
f8a13f061a8a
branchmap: extract updatebranchcache from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18120
diff
changeset
|
103 def updatecache(repo): |
f8a13f061a8a
branchmap: extract updatebranchcache from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18120
diff
changeset
|
104 cl = repo.changelog |
18189
b9026ba002f6
branchmap: enable caching for filtered version too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18188
diff
changeset
|
105 filtername = repo.filtername |
b9026ba002f6
branchmap: enable caching for filtered version too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18188
diff
changeset
|
106 partial = repo._branchcaches.get(filtername) |
18121
f8a13f061a8a
branchmap: extract updatebranchcache from repo
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18120
diff
changeset
|
107 |
18234
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
108 revs = [] |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
109 if partial is None or not partial.validfor(repo): |
18126
090ada0acddb
branchmap: add the tiprev (cache key) on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18125
diff
changeset
|
110 partial = read(repo) |
18212
493778b5fe9f
branchmap: read return None in case of failure
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18189
diff
changeset
|
111 if partial is None: |
20032
175c6fd8cacc
subsettable: move from repoview to branchmap, the only place it's used
Augie Fackler <raf@durin42.com>
parents:
19839
diff
changeset
|
112 subsetname = subsettable.get(filtername) |
18234
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
113 if subsetname is None: |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
114 partial = branchcache() |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
115 else: |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
116 subset = repo.filtered(subsetname) |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
117 partial = subset.branchmap().copy() |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
118 extrarevs = subset.changelog.filteredrevs - cl.filteredrevs |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
119 revs.extend(r for r in extrarevs if r <= partial.tiprev) |
a55b06885cda
branchmap: allow to use cache of subset
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18232
diff
changeset
|
120 revs.extend(cl.revs(start=partial.tiprev + 1)) |
18218
d5655e742457
branchmap: drop `_cacheabletip` usage in `updatecache`
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18214
diff
changeset
|
121 if revs: |
18305
2502a15e033d
branchmap: pass revision insteads of changectx to the update function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18234
diff
changeset
|
122 partial.update(repo, revs) |
18128
f0d56efaa35a
branchmap: make write a method on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18127
diff
changeset
|
123 partial.write(repo) |
24373
59cc09240afb
revbranchcache: move out of branchmap onto localrepo
Durham Goode <durham@fb.com>
parents:
24163
diff
changeset
|
124 |
18451
d6b3b36f1db2
branchmap: display filtername when `updatebranch` fails to do its jobs
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18357
diff
changeset
|
125 assert partial.validfor(repo), filtername |
18189
b9026ba002f6
branchmap: enable caching for filtered version too
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18188
diff
changeset
|
126 repo._branchcaches[repo.filtername] = partial |
18124
79db6d40bced
branchmap: store branchcache in a dedicated object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18121
diff
changeset
|
127 |
26460
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
128 def replacecache(repo, bm): |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
129 """Replace the branchmap cache for a repo with a branch mapping. |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
130 |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
131 This is likely only called during clone with a branch map from a remote. |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
132 """ |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
133 rbheads = [] |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
134 closed = [] |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
135 for bheads in bm.itervalues(): |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
136 rbheads.extend(bheads) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
137 for h in bheads: |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
138 r = repo.changelog.rev(h) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
139 b, c = repo.changelog.branchinfo(r) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
140 if c: |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
141 closed.append(h) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
142 |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
143 if rbheads: |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
144 rtiprev = max((int(repo.changelog.rev(node)) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
145 for node in rbheads)) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
146 cache = branchcache(bm, |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
147 repo[rtiprev].node(), |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
148 rtiprev, |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
149 closednodes=closed) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
150 |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
151 # Try to stick it as low as possible |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
152 # filter above served are unlikely to be fetch from a clone |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
153 for candidate in ('base', 'immutable', 'served'): |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
154 rview = repo.filtered(candidate) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
155 if cache.validfor(rview): |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
156 repo._branchcaches[candidate] = cache |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
157 cache.write(rview) |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
158 break |
79ef867538ea
branchmap: move branch cache code out of streamclone.py
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25918
diff
changeset
|
159 |
18124
79db6d40bced
branchmap: store branchcache in a dedicated object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18121
diff
changeset
|
160 class branchcache(dict): |
20181
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
161 """A dict like object that hold branches heads cache. |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
162 |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
163 This cache is used to avoid costly computations to determine all the |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
164 branch heads of a repo. |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
165 |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
166 The cache is serialized on disk in the following format: |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
167 |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
168 <tip hex node> <tip rev number> [optional filtered repo hex hash] |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
169 <branch head hex node> <open/closed state> <branch name> |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
170 <branch head hex node> <open/closed state> <branch name> |
20181
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
171 ... |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
172 |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
173 The first line is used to check if the cache is still valid. If the |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
174 branch cache is for a filtered repo view, an optional third hash is |
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
175 included that hashes the hashes of all filtered revisions. |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
176 |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
177 The open/closed state is represented by a single letter 'o' or 'c'. |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
178 This field can be used to avoid changelog reads when determining if a |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
179 branch head closes a branch or not. |
20181
b9515fb9e72a
branchmap: add documentation on the branchcache on-disk format
Brodie Rao <brodie@sf.io>
parents:
20032
diff
changeset
|
180 """ |
18124
79db6d40bced
branchmap: store branchcache in a dedicated object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18121
diff
changeset
|
181 |
18168
c351759ab0a0
branchmap: takes filtered revision in account for cache calculation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18167
diff
changeset
|
182 def __init__(self, entries=(), tipnode=nullid, tiprev=nullrev, |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
183 filteredhash=None, closednodes=None): |
18125
ad194a8ab5c1
branchmap: add the tipnode (cache key) on the branchcache object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18124
diff
changeset
|
184 super(branchcache, self).__init__(entries) |
ad194a8ab5c1
branchmap: add the tipnode (cache key) on the branchcache object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18124
diff
changeset
|
185 self.tipnode = tipnode |
18126
090ada0acddb
branchmap: add the tiprev (cache key) on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18125
diff
changeset
|
186 self.tiprev = tiprev |
18168
c351759ab0a0
branchmap: takes filtered revision in account for cache calculation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18167
diff
changeset
|
187 self.filteredhash = filteredhash |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
188 # closednodes is a set of nodes that close their branch. If the branch |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
189 # cache has been updated, it may contain nodes that are no longer |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
190 # heads. |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
191 if closednodes is None: |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
192 self._closednodes = set() |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
193 else: |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
194 self._closednodes = closednodes |
18168
c351759ab0a0
branchmap: takes filtered revision in account for cache calculation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18167
diff
changeset
|
195 |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
196 def validfor(self, repo): |
18644
3e92772d5383
spelling: fix some minor issues found by spell checker
Mads Kiilerich <mads@kiilerich.com>
parents:
18451
diff
changeset
|
197 """Is the cache content valid regarding a repo |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
198 |
18644
3e92772d5383
spelling: fix some minor issues found by spell checker
Mads Kiilerich <mads@kiilerich.com>
parents:
18451
diff
changeset
|
199 - False when cached tipnode is unknown or if we detect a strip. |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
200 - True when cache is up to date or a subset of current repo.""" |
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
201 try: |
18168
c351759ab0a0
branchmap: takes filtered revision in account for cache calculation
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18167
diff
changeset
|
202 return ((self.tipnode == repo.changelog.node(self.tiprev)) |
24723
467a33142425
repoview: move function for computing filtered hash
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24378
diff
changeset
|
203 and (self.filteredhash == \ |
467a33142425
repoview: move function for computing filtered hash
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24378
diff
changeset
|
204 scmutil.filteredhash(repo, self.tiprev))) |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
205 except IndexError: |
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
206 return False |
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
207 |
20186
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
208 def _branchtip(self, heads): |
20245
4edd179fefb8
help: branch names primarily denote the tipmost unclosed branch head
Mads Kiilerich <madski@unity3d.com>
parents:
20190
diff
changeset
|
209 '''Return tuple with last open head in heads and false, |
4edd179fefb8
help: branch names primarily denote the tipmost unclosed branch head
Mads Kiilerich <madski@unity3d.com>
parents:
20190
diff
changeset
|
210 otherwise return last closed head and true.''' |
20186
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
211 tip = heads[-1] |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
212 closed = True |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
213 for h in reversed(heads): |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
214 if h not in self._closednodes: |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
215 tip = h |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
216 closed = False |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
217 break |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
218 return tip, closed |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
219 |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
220 def branchtip(self, branch): |
20245
4edd179fefb8
help: branch names primarily denote the tipmost unclosed branch head
Mads Kiilerich <madski@unity3d.com>
parents:
20190
diff
changeset
|
221 '''Return the tipmost open head on branch head, otherwise return the |
4edd179fefb8
help: branch names primarily denote the tipmost unclosed branch head
Mads Kiilerich <madski@unity3d.com>
parents:
20190
diff
changeset
|
222 tipmost closed head on branch. |
4edd179fefb8
help: branch names primarily denote the tipmost unclosed branch head
Mads Kiilerich <madski@unity3d.com>
parents:
20190
diff
changeset
|
223 Raise KeyError for unknown branch.''' |
20186
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
224 return self._branchtip(self[branch])[0] |
f5b461a4bc55
branchmap: introduce branchtip() method
Brodie Rao <brodie@sf.io>
parents:
20185
diff
changeset
|
225 |
34074
abf91c4f9608
branches: correctly show inactive multiheaded branches
the31k <the31k@thethirty.one>
parents:
33663
diff
changeset
|
226 def iteropen(self, nodes): |
abf91c4f9608
branches: correctly show inactive multiheaded branches
the31k <the31k@thethirty.one>
parents:
33663
diff
changeset
|
227 return (n for n in nodes if n not in self._closednodes) |
abf91c4f9608
branches: correctly show inactive multiheaded branches
the31k <the31k@thethirty.one>
parents:
33663
diff
changeset
|
228 |
20188
3a3727829607
branchmap: introduce branchheads() method
Brodie Rao <brodie@sf.io>
parents:
20186
diff
changeset
|
229 def branchheads(self, branch, closed=False): |
3a3727829607
branchmap: introduce branchheads() method
Brodie Rao <brodie@sf.io>
parents:
20186
diff
changeset
|
230 heads = self[branch] |
3a3727829607
branchmap: introduce branchheads() method
Brodie Rao <brodie@sf.io>
parents:
20186
diff
changeset
|
231 if not closed: |
34074
abf91c4f9608
branches: correctly show inactive multiheaded branches
the31k <the31k@thethirty.one>
parents:
33663
diff
changeset
|
232 heads = list(self.iteropen(heads)) |
20188
3a3727829607
branchmap: introduce branchheads() method
Brodie Rao <brodie@sf.io>
parents:
20186
diff
changeset
|
233 return heads |
3a3727829607
branchmap: introduce branchheads() method
Brodie Rao <brodie@sf.io>
parents:
20186
diff
changeset
|
234 |
20190
d5d25e541637
branchmap: introduce iterbranches() method
Brodie Rao <brodie@sf.io>
parents:
20188
diff
changeset
|
235 def iterbranches(self): |
d5d25e541637
branchmap: introduce iterbranches() method
Brodie Rao <brodie@sf.io>
parents:
20188
diff
changeset
|
236 for bn, heads in self.iteritems(): |
d5d25e541637
branchmap: introduce iterbranches() method
Brodie Rao <brodie@sf.io>
parents:
20188
diff
changeset
|
237 yield (bn, heads) + self._branchtip(heads) |
d5d25e541637
branchmap: introduce iterbranches() method
Brodie Rao <brodie@sf.io>
parents:
20188
diff
changeset
|
238 |
18232
dd0b636b0b65
branchmap: add a copy method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18218
diff
changeset
|
239 def copy(self): |
dd0b636b0b65
branchmap: add a copy method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18218
diff
changeset
|
240 """return an deep copy of the branchcache object""" |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
241 return branchcache(self, self.tipnode, self.tiprev, self.filteredhash, |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
242 self._closednodes) |
18132
db25bf1dc828
branchmap: move validity logic in the object itself
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18131
diff
changeset
|
243 |
18128
f0d56efaa35a
branchmap: make write a method on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18127
diff
changeset
|
244 def write(self, repo): |
f0d56efaa35a
branchmap: make write a method on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18127
diff
changeset
|
245 try: |
33534
2715a4fc0684
cachevfs: use the new vfs in when computing branchmap cache
Boris Feld <boris.feld@octobus.net>
parents:
32281
diff
changeset
|
246 f = repo.cachevfs(_filename(repo), "w", atomictemp=True) |
31348
fc06c5260639
branchmap: stringify int in a portable way
Augie Fackler <augie@google.com>
parents:
31347
diff
changeset
|
247 cachekey = [hex(self.tipnode), '%d' % self.tiprev] |
18184
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
248 if self.filteredhash is not None: |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
249 cachekey.append(hex(self.filteredhash)) |
8d48af68e2ae
branchmap: read and write key part related to filtered revision
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18168
diff
changeset
|
250 f.write(" ".join(cachekey) + '\n') |
21031
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
251 nodecount = 0 |
18357
a4ab37ca887b
localrepo: store branchheads sorted
Mads Kiilerich <mads@kiilerich.com>
parents:
18307
diff
changeset
|
252 for label, nodes in sorted(self.iteritems()): |
18128
f0d56efaa35a
branchmap: make write a method on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18127
diff
changeset
|
253 for node in nodes: |
21031
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
254 nodecount += 1 |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
255 if node in self._closednodes: |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
256 state = 'c' |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
257 else: |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
258 state = 'o' |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
259 f.write("%s %s %s\n" % (hex(node), state, |
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
260 encoding.fromlocal(label))) |
18128
f0d56efaa35a
branchmap: make write a method on the branchmap object
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18127
diff
changeset
|
261 f.close() |
21031
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
262 repo.ui.log('branchcache', |
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
263 'wrote %s branch cache with %d labels and %d nodes\n', |
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
264 repo.filtername, len(self), nodecount) |
26587
56b2bcea2529
error: get Abort from 'error' instead of 'util'
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
26460
diff
changeset
|
265 except (IOError, OSError, error.Abort) as inst: |
34370
d0db41af73c0
branchmap: remove superfluous pass statements
Augie Fackler <augie@google.com>
parents:
34074
diff
changeset
|
266 # Abort may be raised by read only opener, so log and continue |
36396
743b293c3ca0
py3: use util.forcebytestr to convert error messages to bytes
Pulkit Goyal <7895pulkit@gmail.com>
parents:
36201
diff
changeset
|
267 repo.ui.debug("couldn't write branch cache: %s\n" % |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
268 stringutil.forcebytestr(inst)) |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
269 |
18305
2502a15e033d
branchmap: pass revision insteads of changectx to the update function
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18234
diff
changeset
|
270 def update(self, repo, revgen): |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
271 """Given a branchhead cache, self, that may have extra nodes or be |
20263
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
272 missing heads, and a generator of nodes that are strictly a superset of |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
273 heads missing, this function updates self to be correct. |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
274 """ |
30975
22fbca1d11ed
mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents:
29746
diff
changeset
|
275 starttime = util.timer() |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
276 cl = repo.changelog |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
277 # collect new branch entries |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
278 newbranches = {} |
24373
59cc09240afb
revbranchcache: move out of branchmap onto localrepo
Durham Goode <durham@fb.com>
parents:
24163
diff
changeset
|
279 getbranchinfo = repo.revbranchcache().branchinfo |
18307
0eed2546118a
branchmap: Save changectx creation during update
Pierre-Yves David <pierre-yves.david@logilab.fr>
parents:
18305
diff
changeset
|
280 for r in revgen: |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
281 branch, closesbranch = getbranchinfo(r) |
20262
cf450ee3f8f7
branchmap: stop useless rev -> node -> rev round trip
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20261
diff
changeset
|
282 newbranches.setdefault(branch, []).append(r) |
20185
7d4219512823
branchmap: cache open/closed branch head information
Brodie Rao <brodie@sf.io>
parents:
20181
diff
changeset
|
283 if closesbranch: |
20262
cf450ee3f8f7
branchmap: stop useless rev -> node -> rev round trip
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20261
diff
changeset
|
284 self._closednodes.add(cl.node(r)) |
22357
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
285 |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
286 # fetch current topological heads to speed up filtering |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
287 topoheads = set(cl.headrevs()) |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
288 |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
289 # if older branchheads are reachable from new ones, they aren't |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
290 # really branchheads. Note checking parents is insufficient: |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
291 # 1 (branch a) -> 2 (branch b) -> 3 (branch a) |
20262
cf450ee3f8f7
branchmap: stop useless rev -> node -> rev round trip
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20261
diff
changeset
|
292 for branch, newheadrevs in newbranches.iteritems(): |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
293 bheads = self.setdefault(branch, []) |
20264
d9e1c167943b
branchmap: use set for update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20263
diff
changeset
|
294 bheadset = set(cl.rev(node) for node in bheads) |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
295 |
20263
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
296 # This have been tested True on all internal usage of this function. |
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
297 # run it again in case of doubt |
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
298 # assert not (set(bheadrevs) & set(newheadrevs)) |
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
299 newheadrevs.sort() |
20264
d9e1c167943b
branchmap: use set for update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20263
diff
changeset
|
300 bheadset.update(newheadrevs) |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
301 |
22356
3c8fb24334e9
branchmap: issue a single call to `ancestors` for all heads
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22059
diff
changeset
|
302 # This prunes out two kinds of heads - heads that are superseded by |
3c8fb24334e9
branchmap: issue a single call to `ancestors` for all heads
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22059
diff
changeset
|
303 # a head in newheadrevs, and newheadrevs that are not heads because |
3c8fb24334e9
branchmap: issue a single call to `ancestors` for all heads
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22059
diff
changeset
|
304 # an existing head is their descendant. |
22357
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
305 uncertain = bheadset - topoheads |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
306 if uncertain: |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
307 floorrev = min(uncertain) |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
308 ancestors = set(cl.ancestors(newheadrevs, floorrev)) |
9c3c3dc14a65
branchmap: pre-filter topological heads before ancestors based filtering
Pierre-Yves David <pierre-yves.david@fb.com>
parents:
22356
diff
changeset
|
309 bheadset -= ancestors |
20264
d9e1c167943b
branchmap: use set for update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20263
diff
changeset
|
310 bheadrevs = sorted(bheadset) |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
311 self[branch] = [cl.node(rev) for rev in bheadrevs] |
20263
ea4996754d91
branchmap: simplify update code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
20262
diff
changeset
|
312 tiprev = bheadrevs[-1] |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
313 if tiprev > self.tiprev: |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
314 self.tipnode = cl.node(tiprev) |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
315 self.tiprev = tiprev |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
316 |
19838
23386881abeb
branchmap: remove the droppednodes logic
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
19837
diff
changeset
|
317 if not self.validfor(repo): |
18131
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
318 # cache key are not valid anymore |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
319 self.tipnode = nullid |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
320 self.tiprev = nullrev |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
321 for heads in self.values(): |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
322 tiprev = max(cl.rev(node) for node in heads) |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
323 if tiprev > self.tiprev: |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
324 self.tipnode = cl.node(tiprev) |
f0eeb9b3444a
branchmap: make update a method
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
18130
diff
changeset
|
325 self.tiprev = tiprev |
24723
467a33142425
repoview: move function for computing filtered hash
Gregory Szorc <gregory.szorc@gmail.com>
parents:
24378
diff
changeset
|
326 self.filteredhash = scmutil.filteredhash(repo, self.tiprev) |
21031
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
327 |
30975
22fbca1d11ed
mercurial: switch to util.timer for all interval timings
Simon Farnsworth <simonfar@fb.com>
parents:
29746
diff
changeset
|
328 duration = util.timer() - starttime |
21031
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
329 repo.ui.log('branchcache', 'updated %s branch cache in %.4f seconds\n', |
05cfcecb3aef
branchmap: log events related to branch cache
Gregory Szorc <gregory.szorc@gmail.com>
parents:
20264
diff
changeset
|
330 repo.filtername, duration) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
331 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
332 # Revision branch info cache |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
333 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
334 _rbcversion = '-v1' |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
335 _rbcnames = 'rbc-names' + _rbcversion |
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
336 _rbcrevs = 'rbc-revs' + _rbcversion |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
337 # [4 byte hash prefix][4 byte branch name number with sign bit indicating open] |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
338 _rbcrecfmt = '>4sI' |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
339 _rbcrecsize = calcsize(_rbcrecfmt) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
340 _rbcnodelen = 4 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
341 _rbcbranchidxmask = 0x7fffffff |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
342 _rbccloseflag = 0x80000000 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
343 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
344 class revbranchcache(object): |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
345 """Persistent cache, mapping from revision number to branch name and close. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
346 This is a low level cache, independent of filtering. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
347 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
348 Branch names are stored in rbc-names in internal encoding separated by 0. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
349 rbc-names is append-only, and each branch name is only stored once and will |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
350 thus have a unique index. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
351 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
352 The branch info for each revision is stored in rbc-revs as constant size |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
353 records. The whole file is read into memory, but it is only 'parsed' on |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
354 demand. The file is usually append-only but will be truncated if repo |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
355 modification is detected. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
356 The record for each revision contains the first 4 bytes of the |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
357 corresponding node hash, and the record is only used if it still matches. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
358 Even a completely trashed rbc-revs fill thus still give the right result |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
359 while converging towards full recovery ... assuming no incorrectly matching |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
360 node hashes. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
361 The record also contains 4 bytes where 31 bits contains the index of the |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
362 branch and the last bit indicate that it is a branch close commit. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
363 The usage pattern for rbc-revs is thus somewhat similar to 00changelog.i |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
364 and will grow with it but be 1/8th of its size. |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
365 """ |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
366 |
24159
5b4ed033390b
revisionbranchcache: fall back to slow path if starting readonly (issue4531)
Mads Kiilerich <madski@unity3d.com>
parents:
23877
diff
changeset
|
367 def __init__(self, repo, readonly=True): |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
368 assert repo.filtername is None |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
369 self._repo = repo |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
370 self._names = [] # branch names in local encoding with static index |
31346
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
30975
diff
changeset
|
371 self._rbcrevs = bytearray() |
29615
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
372 self._rbcsnameslen = 0 # length of names read at _rbcsnameslen |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
373 try: |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
374 bndata = repo.cachevfs.read(_rbcnames) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
375 self._rbcsnameslen = len(bndata) # for verification before writing |
31371
7dd2f51f38ac
rbc: empty (and invalid) rbc-names file should give an empty name list
Mads Kiilerich <mads@kiilerich.com>
parents:
31370
diff
changeset
|
376 if bndata: |
7dd2f51f38ac
rbc: empty (and invalid) rbc-names file should give an empty name list
Mads Kiilerich <mads@kiilerich.com>
parents:
31370
diff
changeset
|
377 self._names = [encoding.tolocal(bn) |
7dd2f51f38ac
rbc: empty (and invalid) rbc-names file should give an empty name list
Mads Kiilerich <mads@kiilerich.com>
parents:
31370
diff
changeset
|
378 for bn in bndata.split('\0')] |
29423
d2c6f3a948fa
branchmap: remove unused exception variable
Gregory Szorc <gregory.szorc@gmail.com>
parents:
28558
diff
changeset
|
379 except (IOError, OSError): |
24159
5b4ed033390b
revisionbranchcache: fall back to slow path if starting readonly (issue4531)
Mads Kiilerich <madski@unity3d.com>
parents:
23877
diff
changeset
|
380 if readonly: |
5b4ed033390b
revisionbranchcache: fall back to slow path if starting readonly (issue4531)
Mads Kiilerich <madski@unity3d.com>
parents:
23877
diff
changeset
|
381 # don't try to use cache - fall back to the slow path |
5b4ed033390b
revisionbranchcache: fall back to slow path if starting readonly (issue4531)
Mads Kiilerich <madski@unity3d.com>
parents:
23877
diff
changeset
|
382 self.branchinfo = self._branchinfo |
5b4ed033390b
revisionbranchcache: fall back to slow path if starting readonly (issue4531)
Mads Kiilerich <madski@unity3d.com>
parents:
23877
diff
changeset
|
383 |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
384 if self._names: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
385 try: |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
386 data = repo.cachevfs.read(_rbcrevs) |
31346
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
30975
diff
changeset
|
387 self._rbcrevs[:] = data |
25660
328739ea70c3
global: mass rewrite to use modern exception syntax
Gregory Szorc <gregory.szorc@gmail.com>
parents:
25266
diff
changeset
|
388 except (IOError, OSError) as inst: |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
389 repo.ui.debug("couldn't read revision branch cache: %s\n" % |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
390 stringutil.forcebytestr(inst)) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
391 # remember number of good records on disk |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
392 self._rbcrevslen = min(len(self._rbcrevs) // _rbcrecsize, |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
393 len(repo.changelog)) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
394 if self._rbcrevslen == 0: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
395 self._names = [] |
29615
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
396 self._rbcnamescount = len(self._names) # number of names read at |
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
397 # _rbcsnameslen |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
398 self._namesreverse = dict((b, r) for r, b in enumerate(self._names)) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
399 |
28558
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
400 def _clear(self): |
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
401 self._rbcsnameslen = 0 |
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
402 del self._names[:] |
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
403 self._rbcnamescount = 0 |
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
404 self._namesreverse.clear() |
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
405 self._rbcrevslen = len(self._repo.changelog) |
31346
2a18e9e6ca43
py3: use bytearray() instead of array('c', ...) constructions
Augie Fackler <augie@google.com>
parents:
30975
diff
changeset
|
406 self._rbcrevs = bytearray(self._rbcrevslen * _rbcrecsize) |
28558
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
407 |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
408 def branchinfo(self, rev): |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
409 """Return branch name and close flag for rev, using and updating |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
410 persistent cache.""" |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
411 changelog = self._repo.changelog |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
412 rbcrevidx = rev * _rbcrecsize |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
413 |
25266
38117278f295
revbranchcache: return uncached branchinfo for nullrev (issue4683)
Yuya Nishihara <yuya@tcha.org>
parents:
24728
diff
changeset
|
414 # avoid negative index, changelog.read(nullrev) is fast without cache |
38117278f295
revbranchcache: return uncached branchinfo for nullrev (issue4683)
Yuya Nishihara <yuya@tcha.org>
parents:
24728
diff
changeset
|
415 if rev == nullrev: |
38117278f295
revbranchcache: return uncached branchinfo for nullrev (issue4683)
Yuya Nishihara <yuya@tcha.org>
parents:
24728
diff
changeset
|
416 return changelog.branchinfo(rev) |
38117278f295
revbranchcache: return uncached branchinfo for nullrev (issue4683)
Yuya Nishihara <yuya@tcha.org>
parents:
24728
diff
changeset
|
417 |
29604
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
418 # if requested rev isn't allocated, grow and cache the rev info |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
419 if len(self._rbcrevs) < rbcrevidx + _rbcrecsize: |
29604
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
420 return self._branchinfo(rev) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
421 |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
422 # fast path: extract data from cache, use it if node is matching |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
423 reponode = changelog.node(rev)[:_rbcnodelen] |
33663
1814ca418b30
branchmap: revert c34532365b38 for Python 2.7 compatibility
Mike Hommey <mh@glandium.org>
parents:
33535
diff
changeset
|
424 cachenode, branchidx = unpack_from( |
1814ca418b30
branchmap: revert c34532365b38 for Python 2.7 compatibility
Mike Hommey <mh@glandium.org>
parents:
33535
diff
changeset
|
425 _rbcrecfmt, util.buffer(self._rbcrevs), rbcrevidx) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
426 close = bool(branchidx & _rbccloseflag) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
427 if close: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
428 branchidx &= _rbcbranchidxmask |
24376
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
429 if cachenode == '\0\0\0\0': |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
430 pass |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
431 elif cachenode == reponode: |
29615
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
432 try: |
28558
bcd106d456c4
cache: rebuild branch cache from scratch when inconsistencies are detected
Mads Kiilerich <madski@unity3d.com>
parents:
28557
diff
changeset
|
433 return self._names[branchidx], close |
29615
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
434 except IndexError: |
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
435 # recover from invalid reference to unknown branch |
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
436 self._repo.ui.debug("referenced branch names not found" |
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
437 " - rebuilding revision branch cache from scratch\n") |
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
438 self._clear() |
24376
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
439 else: |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
440 # rev/node map has changed, invalidate the cache from here up |
29615
a2a380e2750f
rbc: fix superfluous rebuilding from scratch - don't abuse self._rbcnamescount
Mads Kiilerich <madski@unity3d.com>
parents:
29604
diff
changeset
|
441 self._repo.ui.debug("history modification detected - truncating " |
31497
a369482e9649
branchmap: be more careful about using %d on ints
Augie Fackler <augie@google.com>
parents:
31454
diff
changeset
|
442 "revision branch cache to revision %d\n" % rev) |
24376
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
443 truncate = rbcrevidx + _rbcrecsize |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
444 del self._rbcrevs[truncate:] |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
445 self._rbcrevslen = min(self._rbcrevslen, truncate) |
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
446 |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
447 # fall back to slow path and make sure it will be written to disk |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
448 return self._branchinfo(rev) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
449 |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
450 def _branchinfo(self, rev): |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
451 """Retrieve branch info from changelog and update _rbcrevs""" |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
452 changelog = self._repo.changelog |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
453 b, close = changelog.branchinfo(rev) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
454 if b in self._namesreverse: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
455 branchidx = self._namesreverse[b] |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
456 else: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
457 branchidx = len(self._names) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
458 self._names.append(b) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
459 self._namesreverse[b] = branchidx |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
460 reponode = changelog.node(rev) |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
461 if close: |
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
462 branchidx |= _rbccloseflag |
24375
fe255b2525d5
revbranchcache: move entry writing to a separate function
Durham Goode <durham@fb.com>
parents:
24374
diff
changeset
|
463 self._setcachedata(rev, reponode, branchidx) |
fe255b2525d5
revbranchcache: move entry writing to a separate function
Durham Goode <durham@fb.com>
parents:
24374
diff
changeset
|
464 return b, close |
fe255b2525d5
revbranchcache: move entry writing to a separate function
Durham Goode <durham@fb.com>
parents:
24374
diff
changeset
|
465 |
36962
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
466 def setdata(self, branch, rev, node, close): |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
467 """add new data information to the cache""" |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
468 if branch in self._namesreverse: |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
469 branchidx = self._namesreverse[branch] |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
470 else: |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
471 branchidx = len(self._names) |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
472 self._names.append(branch) |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
473 self._namesreverse[branch] = branchidx |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
474 if close: |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
475 branchidx |= _rbccloseflag |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
476 self._setcachedata(rev, node, branchidx) |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
477 # If no cache data were readable (non exists, bad permission, etc) |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
478 # the cache was bypassing itself by setting: |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
479 # |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
480 # self.branchinfo = self._branchinfo |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
481 # |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
482 # Since we now have data in the cache, we need to drop this bypassing. |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
483 if 'branchinfo' in vars(self): |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
484 del self.branchinfo |
95f4f1bfb650
revbranchcache: add a public function to update the data
Boris Feld <boris.feld@octobus.net>
parents:
36474
diff
changeset
|
485 |
24375
fe255b2525d5
revbranchcache: move entry writing to a separate function
Durham Goode <durham@fb.com>
parents:
24374
diff
changeset
|
486 def _setcachedata(self, rev, node, branchidx): |
fe255b2525d5
revbranchcache: move entry writing to a separate function
Durham Goode <durham@fb.com>
parents:
24374
diff
changeset
|
487 """Writes the node's branch data to the in-memory cache data.""" |
31454
a5bad127128d
branchmap: handle nullrev in setcachedata
Durham Goode <durham@fb.com>
parents:
31381
diff
changeset
|
488 if rev == nullrev: |
a5bad127128d
branchmap: handle nullrev in setcachedata
Durham Goode <durham@fb.com>
parents:
31381
diff
changeset
|
489 return |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
490 rbcrevidx = rev * _rbcrecsize |
29604
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
491 if len(self._rbcrevs) < rbcrevidx + _rbcrecsize: |
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
492 self._rbcrevs.extend('\0' * |
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
493 (len(self._repo.changelog) * _rbcrecsize - |
db0095c83344
rbc: fix invalid rbc-revs entries caused by missing cache growth
Mads Kiilerich <madski@unity3d.com>
parents:
29423
diff
changeset
|
494 len(self._rbcrevs))) |
31370
906be86990c4
rbc: use struct unpack_from and pack_into instead of unpack and pack
Mads Kiilerich <madski@unity3d.com>
parents:
31360
diff
changeset
|
495 pack_into(_rbcrecfmt, self._rbcrevs, rbcrevidx, node, branchidx) |
24376
203a078da052
revbranchcache: populate cache incrementally
Durham Goode <durham@fb.com>
parents:
24375
diff
changeset
|
496 self._rbcrevslen = min(self._rbcrevslen, rev) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
497 |
24377
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
24376
diff
changeset
|
498 tr = self._repo.currenttransaction() |
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
24376
diff
changeset
|
499 if tr: |
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
24376
diff
changeset
|
500 tr.addfinalize('write-revbranchcache', self.write) |
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
24376
diff
changeset
|
501 |
656f93ce66d5
revbranchcache: move cache writing to the transaction finalizer
Durham Goode <durham@fb.com>
parents:
24376
diff
changeset
|
502 def write(self, tr=None): |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
503 """Save branch cache if it is dirty.""" |
24374
77fd1fb538cd
revbranchcache: store repo on the object
Durham Goode <durham@fb.com>
parents:
24373
diff
changeset
|
504 repo = self._repo |
29744
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
505 wlock = None |
29745
3b184adfb5be
branchmap: simplify error handlind when writing rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29744
diff
changeset
|
506 step = '' |
29744
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
507 try: |
29743
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
508 if self._rbcnamescount < len(self._names): |
29745
3b184adfb5be
branchmap: simplify error handlind when writing rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29744
diff
changeset
|
509 step = ' names' |
29744
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
510 wlock = repo.wlock(wait=False) |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
511 if self._rbcnamescount != 0: |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
512 f = repo.cachevfs.open(_rbcnames, 'ab') |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
513 if f.tell() == self._rbcsnameslen: |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
514 f.write('\0') |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
515 else: |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
516 f.close() |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
517 repo.ui.debug("%s changed - rewriting it\n" % _rbcnames) |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
518 self._rbcnamescount = 0 |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
519 self._rbcrevslen = 0 |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
520 if self._rbcnamescount == 0: |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
521 # before rewriting names, make sure references are removed |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
522 repo.cachevfs.unlinkpath(_rbcrevs, ignoremissing=True) |
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
523 f = repo.cachevfs.open(_rbcnames, 'wb') |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
524 f.write('\0'.join(encoding.fromlocal(b) |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
525 for b in self._names[self._rbcnamescount:])) |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
526 self._rbcsnameslen = f.tell() |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
527 f.close() |
29743
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
528 self._rbcnamescount = len(self._names) |
23785
cb99bacb9b4e
branchcache: introduce revbranchcache for caching of revision branch names
Mads Kiilerich <madski@unity3d.com>
parents:
22357
diff
changeset
|
529 |
29743
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
530 start = self._rbcrevslen * _rbcrecsize |
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
531 if start != len(self._rbcrevs): |
29745
3b184adfb5be
branchmap: simplify error handlind when writing rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29744
diff
changeset
|
532 step = '' |
29744
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
533 if wlock is None: |
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
534 wlock = repo.wlock(wait=False) |
29743
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
535 revs = min(len(repo.changelog), |
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
536 len(self._rbcrevs) // _rbcrecsize) |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
537 f = repo.cachevfs.open(_rbcrevs, 'ab') |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
538 if f.tell() != start: |
33535
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
539 repo.ui.debug("truncating cache/%s to %d\n" |
755e6532e81d
cachevfs: migration the revbranchcache to 'cachevfs'
Boris Feld <boris.feld@octobus.net>
parents:
33534
diff
changeset
|
540 % (_rbcrevs, start)) |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
541 f.seek(start) |
28557
4b83507bfc91
cache: safer handling of failing seek when writing revision branch cache
Mads Kiilerich <madski@unity3d.com>
parents:
28556
diff
changeset
|
542 if f.tell() != start: |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
543 start = 0 |
28557
4b83507bfc91
cache: safer handling of failing seek when writing revision branch cache
Mads Kiilerich <madski@unity3d.com>
parents:
28556
diff
changeset
|
544 f.seek(start) |
29746
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
545 f.truncate() |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
546 end = revs * _rbcrecsize |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
547 f.write(self._rbcrevs[start:end]) |
3dbc95f3eb31
branchmap: remove extra indent
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29745
diff
changeset
|
548 f.close() |
29743
9f3c49ee4486
branchmap: preparatory indent of indent the branch rev writing code
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29615
diff
changeset
|
549 self._rbcrevslen = revs |
29745
3b184adfb5be
branchmap: simplify error handlind when writing rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29744
diff
changeset
|
550 except (IOError, OSError, error.Abort, error.LockError) as inst: |
3b184adfb5be
branchmap: simplify error handlind when writing rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29744
diff
changeset
|
551 repo.ui.debug("couldn't write revision branch cache%s: %s\n" |
37084
f0b6fbea00cf
stringutil: bulk-replace call sites to point to new module
Yuya Nishihara <yuya@tcha.org>
parents:
36962
diff
changeset
|
552 % (step, stringutil.forcebytestr(inst))) |
29744
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
553 finally: |
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
554 if wlock is not None: |
0d588332ad2c
branchmap: acquires lock before writting the rev branch cache
Pierre-Yves David <pierre-yves.david@ens-lyon.org>
parents:
29743
diff
changeset
|
555 wlock.release() |