Mercurial > hg > mercurial-crew-with-dirclash
annotate mercurial/revlog.py @ 5483:0c43f87baba3 default tip
Fix file-changed-to-dir and dir-to-file commits (issue660).
Allow adding to dirstate files that clash with previously existing
but marked for removal. Protect from reintroducing clashes by revert.
This change doesn't address related issues with update. Current
workaround is to do "clean" update by manually removing conflicting
files/dirs from working directory.
author | Maxim Dounin <mdounin@mdounin.ru> |
---|---|
date | Sat, 27 Oct 2007 16:27:55 +0400 |
parents | 9d77f2b47eb7 |
children |
rev | line source |
---|---|
1083 | 1 """ |
2 revlog.py - storage back-end for mercurial | |
3 | |
4 This provides efficient delta storage with O(1) retrieve and append | |
5 and O(changes) merge between branches | |
6 | |
4635
63b9d2deed48
Updated copyright notices and add "and others" to "hg version"
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4497
diff
changeset
|
7 Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
1083 | 8 |
9 This software may be used and distributed according to the terms | |
10 of the GNU General Public License, incorporated herein by reference. | |
11 """ | |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
12 |
1089 | 13 from node import * |
3893 | 14 from i18n import _ |
3886
abaee83ce0a6
Replace demandload with new demandimport
Matt Mackall <mpm@selenic.com>
parents:
3755
diff
changeset
|
15 import binascii, changegroup, errno, ancestor, mdiff, os |
abaee83ce0a6
Replace demandload with new demandimport
Matt Mackall <mpm@selenic.com>
parents:
3755
diff
changeset
|
16 import sha, struct, util, zlib |
36
da28286bf6b7
Add smart node lookup by substring or by rev number
mpm@selenic.com
parents:
26
diff
changeset
|
17 |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
18 _pack = struct.pack |
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
19 _unpack = struct.unpack |
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
20 _compress = zlib.compress |
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
21 _decompress = zlib.decompress |
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
22 _sha = sha.new |
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
23 |
4987
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
24 # revlog flags |
2072 | 25 REVLOGV0 = 0 |
26 REVLOGNG = 1 | |
2073 | 27 REVLOGNGINLINEDATA = (1 << 16) |
2222
c9e264b115e6
Use revlogng and inlined data files by default
mason@suse.com
parents:
2177
diff
changeset
|
28 REVLOG_DEFAULT_FLAGS = REVLOGNGINLINEDATA |
c9e264b115e6
Use revlogng and inlined data files by default
mason@suse.com
parents:
2177
diff
changeset
|
29 REVLOG_DEFAULT_FORMAT = REVLOGNG |
c9e264b115e6
Use revlogng and inlined data files by default
mason@suse.com
parents:
2177
diff
changeset
|
30 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS |
2073 | 31 |
4987
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
32 class RevlogError(Exception): |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
33 pass |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
34 class LookupError(RevlogError): |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
35 pass |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
36 |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
37 def getoffset(q): |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
38 return int(q >> 16) |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
39 |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
40 def gettype(q): |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
41 return int(q & 0xFFFF) |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
42 |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
43 def offset_type(offset, type): |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
44 return long(long(offset) << 16 | type) |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
45 |
1091
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
46 def hash(text, p1, p2): |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
47 """generate a hash from the given text and its parent hashes |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
48 |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
49 This hash combines both the current file contents and its history |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
50 in a manner that makes it easy to distinguish nodes with the same |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
51 content in the revision graph. |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
52 """ |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
53 l = [p1, p2] |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
54 l.sort() |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
55 s = _sha(l[0]) |
1091
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
56 s.update(l[1]) |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
57 s.update(text) |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
58 return s.digest() |
d62130f99a73
Move hash function back to revlog from node
mpm@selenic.com
parents:
1089
diff
changeset
|
59 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
60 def compress(text): |
1083 | 61 """ generate a possibly-compressed representation of text """ |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
62 if not text: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
63 return ("", text) |
5451
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
64 l = len(text) |
5453
9d77f2b47eb7
fix UnboundLocalError, refactor a bit
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
5451
diff
changeset
|
65 bin = None |
5451
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
66 if l < 44: |
5453
9d77f2b47eb7
fix UnboundLocalError, refactor a bit
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
5451
diff
changeset
|
67 pass |
5451
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
68 elif l > 1000000: |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
69 # zlib makes an internal copy, thus doubling memory usage for |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
70 # large files, so lets do this in pieces |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
71 z = zlib.compressobj() |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
72 p = [] |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
73 pos = 0 |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
74 while pos < l: |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
75 pos2 = pos + 2**20 |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
76 p.append(z.compress(text[pos:pos2])) |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
77 pos = pos2 |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
78 p.append(z.flush()) |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
79 if sum(map(len, p)) < l: |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
80 bin = "".join(p) |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
81 else: |
0a43875677b1
revlog: break up compression of large deltas
Matt Mackall <mpm@selenic.com>
parents:
5450
diff
changeset
|
82 bin = _compress(text) |
5453
9d77f2b47eb7
fix UnboundLocalError, refactor a bit
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
5451
diff
changeset
|
83 if bin is None or len(bin) > l: |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
84 if text[0] == '\0': |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
85 return ("", text) |
1533
3d11f81c9145
Reduce string duplication in compression code
mason@suse.com
parents:
1509
diff
changeset
|
86 return ('u', text) |
3d11f81c9145
Reduce string duplication in compression code
mason@suse.com
parents:
1509
diff
changeset
|
87 return ("", bin) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
88 |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
89 def decompress(bin): |
1083 | 90 """ decompress the given input """ |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
91 if not bin: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
92 return bin |
112 | 93 t = bin[0] |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
94 if t == '\0': |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
95 return bin |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
96 if t == 'x': |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
97 return _decompress(bin) |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
98 if t == 'u': |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
99 return bin[1:] |
1853
5ac811b720de
Fix some problems when working on broken repositories:
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1784
diff
changeset
|
100 raise RevlogError(_("unknown compression type %r") % t) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
101 |
1559
59b3639df0a9
Convert all classes to new-style classes by deriving them from object.
Eric Hopper <hopper@omnifarious.org>
parents:
1551
diff
changeset
|
102 class lazyparser(object): |
1083 | 103 """ |
104 this class avoids the need to parse the entirety of large indices | |
105 """ | |
2250
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
106 |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
107 # lazyparser is not safe to use on windows if win32 extensions not |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
108 # available. it keeps file handle open, which make it not possible |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
109 # to break hardlinks on local cloned repos. |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
110 safe_to_use = os.name != 'nt' or (not util.is_win_9x() and |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
111 hasattr(util, 'win32api')) |
45aef5ddcdbe
windows: revlog.lazyparser not always safe to use.
Vadim Gelfer <vadim.gelfer@gmail.com>
parents:
2222
diff
changeset
|
112 |
4976
79c39cc9ff69
revlog: only allow lazy parsing with revlogng files
Matt Mackall <mpm@selenic.com>
parents:
4975
diff
changeset
|
113 def __init__(self, dataf, size): |
2079 | 114 self.dataf = dataf |
4976
79c39cc9ff69
revlog: only allow lazy parsing with revlogng files
Matt Mackall <mpm@selenic.com>
parents:
4975
diff
changeset
|
115 self.s = struct.calcsize(indexformatng) |
2079 | 116 self.datasize = size |
117 self.l = size/self.s | |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
118 self.index = [None] * self.l |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
119 self.map = {nullid: nullrev} |
2079 | 120 self.allmap = 0 |
323 | 121 self.all = 0 |
2079 | 122 self.mapfind_count = 0 |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
123 |
2079 | 124 def loadmap(self): |
125 """ | |
126 during a commit, we need to make sure the rev being added is | |
127 not a duplicate. This requires loading the entire index, | |
128 which is fairly slow. loadmap can load up just the node map, | |
129 which takes much less time. | |
130 """ | |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
131 if self.allmap: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
132 return |
2079 | 133 end = self.datasize |
134 self.allmap = 1 | |
135 cur = 0 | |
136 count = 0 | |
137 blocksize = self.s * 256 | |
138 self.dataf.seek(0) | |
139 while cur < end: | |
140 data = self.dataf.read(blocksize) | |
141 off = 0 | |
142 for x in xrange(256): | |
4976
79c39cc9ff69
revlog: only allow lazy parsing with revlogng files
Matt Mackall <mpm@selenic.com>
parents:
4975
diff
changeset
|
143 n = data[off + ngshaoffset:off + ngshaoffset + 20] |
2079 | 144 self.map[n] = count |
145 count += 1 | |
146 if count >= self.l: | |
147 break | |
148 off += self.s | |
149 cur += blocksize | |
150 | |
151 def loadblock(self, blockstart, blocksize, data=None): | |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
152 if self.all: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
153 return |
2079 | 154 if data is None: |
155 self.dataf.seek(blockstart) | |
3075
baa3873eb387
don't let lazyparser read more data than it can handle
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2910
diff
changeset
|
156 if blockstart + blocksize > self.datasize: |
baa3873eb387
don't let lazyparser read more data than it can handle
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2910
diff
changeset
|
157 # the revlog may have grown since we've started running, |
baa3873eb387
don't let lazyparser read more data than it can handle
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2910
diff
changeset
|
158 # but we don't have space in self.index for more entries. |
baa3873eb387
don't let lazyparser read more data than it can handle
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2910
diff
changeset
|
159 # limit blocksize so that we don't get too much data. |
3086
e7fc04dc6349
Avoid negative block sizes in lazyparser.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3075
diff
changeset
|
160 blocksize = max(self.datasize - blockstart, 0) |
2079 | 161 data = self.dataf.read(blocksize) |
162 lend = len(data) / self.s | |
163 i = blockstart / self.s | |
164 off = 0 | |
4061
40030c1b6bc6
lazyindex: handle __delitem__ in loadblock
Brendan Cully <brendan@kublai.com>
parents:
3930
diff
changeset
|
165 # lazyindex supports __delitem__ |
40030c1b6bc6
lazyindex: handle __delitem__ in loadblock
Brendan Cully <brendan@kublai.com>
parents:
3930
diff
changeset
|
166 if lend > len(self.index) - i: |
40030c1b6bc6
lazyindex: handle __delitem__ in loadblock
Brendan Cully <brendan@kublai.com>
parents:
3930
diff
changeset
|
167 lend = len(self.index) - i |
2079 | 168 for x in xrange(lend): |
169 if self.index[i + x] == None: | |
170 b = data[off : off + self.s] | |
2080
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
171 self.index[i + x] = b |
4976
79c39cc9ff69
revlog: only allow lazy parsing with revlogng files
Matt Mackall <mpm@selenic.com>
parents:
4975
diff
changeset
|
172 n = b[ngshaoffset:ngshaoffset + 20] |
2080
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
173 self.map[n] = i + x |
2079 | 174 off += self.s |
175 | |
176 def findnode(self, node): | |
177 """search backwards through the index file for a specific node""" | |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
178 if self.allmap: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
179 return None |
2079 | 180 |
181 # hg log will cause many many searches for the manifest | |
182 # nodes. After we get called a few times, just load the whole | |
183 # thing. | |
184 if self.mapfind_count > 8: | |
185 self.loadmap() | |
186 if node in self.map: | |
187 return node | |
188 return None | |
189 self.mapfind_count += 1 | |
190 last = self.l - 1 | |
191 while self.index[last] != None: | |
192 if last == 0: | |
193 self.all = 1 | |
194 self.allmap = 1 | |
195 return None | |
196 last -= 1 | |
197 end = (last + 1) * self.s | |
198 blocksize = self.s * 256 | |
199 while end >= 0: | |
200 start = max(end - blocksize, 0) | |
201 self.dataf.seek(start) | |
202 data = self.dataf.read(end - start) | |
203 findend = end - start | |
204 while True: | |
4994
d36310dd51d7
lazyparser.findnode: fix typo and s/rfind/find/
Matt Mackall <mpm@selenic.com>
parents:
4993
diff
changeset
|
205 # we're searching backwards, so we have to make sure |
2079 | 206 # we don't find a changeset where this node is a parent |
4994
d36310dd51d7
lazyparser.findnode: fix typo and s/rfind/find/
Matt Mackall <mpm@selenic.com>
parents:
4993
diff
changeset
|
207 off = data.find(node, 0, findend) |
2079 | 208 findend = off |
209 if off >= 0: | |
210 i = off / self.s | |
211 off = i * self.s | |
4976
79c39cc9ff69
revlog: only allow lazy parsing with revlogng files
Matt Mackall <mpm@selenic.com>
parents:
4975
diff
changeset
|
212 n = data[off + ngshaoffset:off + ngshaoffset + 20] |
2079 | 213 if n == node: |
214 self.map[n] = i + start / self.s | |
215 return node | |
216 else: | |
217 break | |
218 end -= blocksize | |
219 return None | |
220 | |
221 def loadindex(self, i=None, end=None): | |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
222 if self.all: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
223 return |
2079 | 224 all = False |
225 if i == None: | |
226 blockstart = 0 | |
4992
0a676643687b
lazyparser: up the blocksize from 512 bytes to 64k
Matt Mackall <mpm@selenic.com>
parents:
4991
diff
changeset
|
227 blocksize = (65536 / self.s) * self.s |
2079 | 228 end = self.datasize |
229 all = True | |
323 | 230 else: |
2079 | 231 if end: |
232 blockstart = i * self.s | |
233 end = end * self.s | |
234 blocksize = end - blockstart | |
235 else: | |
4992
0a676643687b
lazyparser: up the blocksize from 512 bytes to 64k
Matt Mackall <mpm@selenic.com>
parents:
4991
diff
changeset
|
236 blockstart = (i & ~1023) * self.s |
0a676643687b
lazyparser: up the blocksize from 512 bytes to 64k
Matt Mackall <mpm@selenic.com>
parents:
4991
diff
changeset
|
237 blocksize = self.s * 1024 |
2079 | 238 end = blockstart + blocksize |
239 while blockstart < end: | |
240 self.loadblock(blockstart, blocksize) | |
241 blockstart += blocksize | |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
242 if all: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
243 self.all = True |
515 | 244 |
1559
59b3639df0a9
Convert all classes to new-style classes by deriving them from object.
Eric Hopper <hopper@omnifarious.org>
parents:
1551
diff
changeset
|
245 class lazyindex(object): |
1083 | 246 """a lazy version of the index array""" |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
247 def __init__(self, parser): |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
248 self.p = parser |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
249 def __len__(self): |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
250 return len(self.p.index) |
115 | 251 def load(self, pos): |
1403
bc3e66edb04c
lazyindex fix, make load handle negative indexes properly.
Eric Hopper <hopper@omnifarious.org>
parents:
1402
diff
changeset
|
252 if pos < 0: |
bc3e66edb04c
lazyindex fix, make load handle negative indexes properly.
Eric Hopper <hopper@omnifarious.org>
parents:
1402
diff
changeset
|
253 pos += len(self.p.index) |
2079 | 254 self.p.loadindex(pos) |
115 | 255 return self.p.index[pos] |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
256 def __getitem__(self, pos): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
257 return _unpack(indexformatng, self.p.index[pos] or self.load(pos)) |
2072 | 258 def __setitem__(self, pos, item): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
259 self.p.index[pos] = _pack(indexformatng, *item) |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
260 def __delitem__(self, pos): |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
261 del self.p.index[pos] |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
262 def insert(self, pos, e): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
263 self.p.index.insert(pos, _pack(indexformatng, *e)) |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
264 def append(self, e): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
265 self.p.index.append(_pack(indexformatng, *e)) |
515 | 266 |
1559
59b3639df0a9
Convert all classes to new-style classes by deriving them from object.
Eric Hopper <hopper@omnifarious.org>
parents:
1551
diff
changeset
|
267 class lazymap(object): |
1083 | 268 """a lazy version of the node map""" |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
269 def __init__(self, parser): |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
270 self.p = parser |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
271 def load(self, key): |
2079 | 272 n = self.p.findnode(key) |
273 if n == None: | |
1214 | 274 raise KeyError(key) |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
275 def __contains__(self, key): |
2079 | 276 if key in self.p.map: |
277 return True | |
278 self.p.loadmap() | |
323 | 279 return key in self.p.map |
97 | 280 def __iter__(self): |
469 | 281 yield nullid |
97 | 282 for i in xrange(self.p.l): |
2080
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
283 ret = self.p.index[i] |
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
284 if not ret: |
2079 | 285 self.p.loadindex(i) |
2080
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
286 ret = self.p.index[i] |
1cbb14c048cb
Reduce index memory usage by storing the bare string instead of tuples
mason@suse.com
parents:
2079
diff
changeset
|
287 if isinstance(ret, str): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
288 ret = _unpack(indexformatng, ret) |
4978
93d48a8fa496
revlog: change accesses to index entry elements to use positive offsets
Matt Mackall <mpm@selenic.com>
parents:
4977
diff
changeset
|
289 yield ret[7] |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
290 def __getitem__(self, key): |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
291 try: |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
292 return self.p.map[key] |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
293 except KeyError: |
86
1b945e8ba67b
Friendlier exceptions for unknown node errors
mpm@selenic.com
parents:
84
diff
changeset
|
294 try: |
1b945e8ba67b
Friendlier exceptions for unknown node errors
mpm@selenic.com
parents:
84
diff
changeset
|
295 self.load(key) |
1b945e8ba67b
Friendlier exceptions for unknown node errors
mpm@selenic.com
parents:
84
diff
changeset
|
296 return self.p.map[key] |
1b945e8ba67b
Friendlier exceptions for unknown node errors
mpm@selenic.com
parents:
84
diff
changeset
|
297 except KeyError: |
1b945e8ba67b
Friendlier exceptions for unknown node errors
mpm@selenic.com
parents:
84
diff
changeset
|
298 raise KeyError("node " + hex(key)) |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
299 def __setitem__(self, key, val): |
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
300 self.p.map[key] = val |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
301 def __delitem__(self, key): |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
302 del self.p.map[key] |
76
d993ebd69d28
Add lazy{parser,index,map} to speed up processing of index files
mpm@selenic.com
parents:
73
diff
changeset
|
303 |
4987
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
304 indexformatv0 = ">4l20s20s20s" |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
305 v0shaoffset = 56 |
4962
e017d3a82e1d
revlog: raise offset/type helpers to global scope
Matt Mackall <mpm@selenic.com>
parents:
4781
diff
changeset
|
306 |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
307 class revlogoldio(object): |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
308 def __init__(self): |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
309 self.size = struct.calcsize(indexformatv0) |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
310 |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
311 def parseindex(self, fp, inline): |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
312 s = self.size |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
313 index = [] |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
314 nodemap = {nullid: nullrev} |
4973
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
315 n = off = 0 |
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
316 data = fp.read() |
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
317 l = len(data) |
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
318 while off + s <= l: |
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
319 cur = data[off:off + s] |
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
320 off += s |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
321 e = _unpack(indexformatv0, cur) |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
322 # transform to revlogv1 format |
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
323 e2 = (offset_type(e[0], 0), e[1], -1, e[2], e[3], |
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
324 nodemap[e[4]], nodemap[e[5]], e[6]) |
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
325 index.append(e2) |
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
326 nodemap[e[6]] = n |
4973
a386a6e4fe46
revlog: simplify the v0 parser
Matt Mackall <mpm@selenic.com>
parents:
4972
diff
changeset
|
327 n += 1 |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
328 |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
329 return index, nodemap, None |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
330 |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
331 def packentry(self, entry, node, version, rev): |
4986
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
332 e2 = (getoffset(entry[0]), entry[1], entry[3], entry[4], |
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
333 node(entry[5]), node(entry[6]), entry[7]) |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
334 return _pack(indexformatv0, *e2) |
4986
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
335 |
4987
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
336 # index ng: |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
337 # 6 bytes offset |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
338 # 2 bytes flags |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
339 # 4 bytes compressed length |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
340 # 4 bytes uncompressed length |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
341 # 4 bytes: base rev |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
342 # 4 bytes link rev |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
343 # 4 bytes parent 1 rev |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
344 # 4 bytes parent 2 rev |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
345 # 32 bytes: nodeid |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
346 indexformatng = ">Qiiiiii20s12x" |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
347 ngshaoffset = 32 |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
348 versionformat = ">I" |
8d30004ada40
revlog: some basic code reordering
Matt Mackall <mpm@selenic.com>
parents:
4986
diff
changeset
|
349 |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
350 class revlogio(object): |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
351 def __init__(self): |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
352 self.size = struct.calcsize(indexformatng) |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
353 |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
354 def parseindex(self, fp, inline): |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
355 try: |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
356 size = util.fstat(fp).st_size |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
357 except AttributeError: |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
358 size = 0 |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
359 |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
360 if lazyparser.safe_to_use and not inline and size > 1000000: |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
361 # big index, let's parse it on demand |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
362 parser = lazyparser(fp, size) |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
363 index = lazyindex(parser) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
364 nodemap = lazymap(parser) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
365 e = list(index[0]) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
366 type = gettype(e[0]) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
367 e[0] = offset_type(0, type) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
368 index[0] = e |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
369 return index, nodemap, None |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
370 |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
371 s = self.size |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
372 cache = None |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
373 index = [] |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
374 nodemap = {nullid: nullrev} |
4975
8b7e480a7603
revlog: simplify the v1 immediate parser
Matt Mackall <mpm@selenic.com>
parents:
4974
diff
changeset
|
375 n = off = 0 |
8b7e480a7603
revlog: simplify the v1 immediate parser
Matt Mackall <mpm@selenic.com>
parents:
4974
diff
changeset
|
376 # if we're not using lazymap, always read the whole index |
8b7e480a7603
revlog: simplify the v1 immediate parser
Matt Mackall <mpm@selenic.com>
parents:
4974
diff
changeset
|
377 data = fp.read() |
4990 | 378 l = len(data) - s |
379 append = index.append | |
4975
8b7e480a7603
revlog: simplify the v1 immediate parser
Matt Mackall <mpm@selenic.com>
parents:
4974
diff
changeset
|
380 if inline: |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
381 cache = (0, data) |
4990 | 382 while off <= l: |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
383 e = _unpack(indexformatng, data[off:off + s]) |
4990 | 384 nodemap[e[7]] = n |
385 append(e) | |
386 n += 1 | |
4975
8b7e480a7603
revlog: simplify the v1 immediate parser
Matt Mackall <mpm@selenic.com>
parents:
4974
diff
changeset
|
387 if e[1] < 0: |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
388 break |
4990 | 389 off += e[1] + s |
390 else: | |
391 while off <= l: | |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
392 e = _unpack(indexformatng, data[off:off + s]) |
4990 | 393 nodemap[e[7]] = n |
394 append(e) | |
395 n += 1 | |
396 off += s | |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
397 |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
398 e = list(index[0]) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
399 type = gettype(e[0]) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
400 e[0] = offset_type(0, type) |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
401 index[0] = e |
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
402 |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
403 return index, nodemap, cache |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
404 |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
405 def packentry(self, entry, node, version, rev): |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
406 p = _pack(indexformatng, *entry) |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
407 if rev == 0: |
5008
3addf4531643
revlog: localize some fastpath functions
Matt Mackall <mpm@selenic.com>
parents:
5007
diff
changeset
|
408 p = _pack(versionformat, version) + p[4:] |
4986
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
409 return p |
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
410 |
1559
59b3639df0a9
Convert all classes to new-style classes by deriving them from object.
Eric Hopper <hopper@omnifarious.org>
parents:
1551
diff
changeset
|
411 class revlog(object): |
1083 | 412 """ |
413 the underlying revision storage object | |
414 | |
415 A revlog consists of two parts, an index and the revision data. | |
416 | |
417 The index is a file with a fixed record size containing | |
418 information on each revision, includings its nodeid (hash), the | |
419 nodeids of its parents, the position and offset of its data within | |
420 the data file, and the revision it's based on. Finally, each entry | |
421 contains a linkrev entry that can serve as a pointer to external | |
422 data. | |
423 | |
424 The revision data itself is a linear collection of data chunks. | |
425 Each chunk represents a revision and is usually represented as a | |
426 delta against the previous chunk. To bound lookup time, runs of | |
427 deltas are limited to about 2 times the length of the original | |
428 version data. This makes retrieval of a version proportional to | |
429 its size, or O(1) relative to the number of revisions. | |
430 | |
431 Both pieces of the revlog are written to in an append-only | |
432 fashion, which means we never need to rewrite a file to insert or | |
433 remove data, and can use some simple techniques to avoid the need | |
434 for locking while reading. | |
435 """ | |
4267
b11a2fb59cf5
revlog: simplify revlog version handling
Matt Mackall <mpm@selenic.com>
parents:
4266
diff
changeset
|
436 def __init__(self, opener, indexfile): |
1083 | 437 """ |
438 create a revlog object | |
439 | |
440 opener is a function that abstracts the file opening operation | |
441 and can be used to implement COW semantics or the like. | |
442 """ | |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
443 self.indexfile = indexfile |
4266
1b5c38e9d7aa
revlog: don't pass datafile as an argument
Matt Mackall <mpm@selenic.com>
parents:
4224
diff
changeset
|
444 self.datafile = indexfile[:-2] + ".d" |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
445 self.opener = opener |
4984 | 446 self._cache = None |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
447 self._chunkcache = None |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
448 self.nodemap = {nullid: nullrev} |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
449 self.index = [] |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
450 |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
451 v = REVLOG_DEFAULT_VERSION |
4267
b11a2fb59cf5
revlog: simplify revlog version handling
Matt Mackall <mpm@selenic.com>
parents:
4266
diff
changeset
|
452 if hasattr(opener, "defversion"): |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
453 v = opener.defversion |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
454 if v & REVLOGNG: |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
455 v |= REVLOGNGINLINEDATA |
116
e484cd5ec282
Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents:
115
diff
changeset
|
456 |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
457 i = "" |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
458 try: |
1784
2e0a288ca93e
revalidate revlog data after locking the repo (issue132)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1749
diff
changeset
|
459 f = self.opener(self.indexfile) |
2079 | 460 i = f.read(4) |
461 f.seek(0) | |
4962
e017d3a82e1d
revlog: raise offset/type helpers to global scope
Matt Mackall <mpm@selenic.com>
parents:
4781
diff
changeset
|
462 if len(i) > 0: |
e017d3a82e1d
revlog: raise offset/type helpers to global scope
Matt Mackall <mpm@selenic.com>
parents:
4781
diff
changeset
|
463 v = struct.unpack(versionformat, i)[0] |
1322
b3d44e9b3092
Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1232
diff
changeset
|
464 except IOError, inst: |
b3d44e9b3092
Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1232
diff
changeset
|
465 if inst.errno != errno.ENOENT: |
b3d44e9b3092
Make revlog constructor more discerning in its treatment of errors.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1232
diff
changeset
|
466 raise |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
467 |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
468 self.version = v |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
469 self._inline = v & REVLOGNGINLINEDATA |
2073 | 470 flags = v & ~0xFFFF |
471 fmt = v & 0xFFFF | |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
472 if fmt == REVLOGV0 and flags: |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
473 raise RevlogError(_("index %s unknown flags %#04x for format v0") |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
474 % (self.indexfile, flags >> 16)) |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
475 elif fmt == REVLOGNG and flags & ~REVLOGNGINLINEDATA: |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
476 raise RevlogError(_("index %s unknown flags %#04x for revlogng") |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
477 % (self.indexfile, flags >> 16)) |
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
478 elif fmt > REVLOGNG: |
3744
3a099154b110
Make revlog error slightly less scary
Matt Mackall <mpm@selenic.com>
parents:
3683
diff
changeset
|
479 raise RevlogError(_("index %s unknown format %d") |
3680
69cf255a55a1
Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3679
diff
changeset
|
480 % (self.indexfile, fmt)) |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
481 |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
482 self._io = revlogio() |
4971
3e6dae278c99
revlog: regroup parsing code
Matt Mackall <mpm@selenic.com>
parents:
4964
diff
changeset
|
483 if self.version == REVLOGV0: |
4972
8d0cf46e0dc6
revlog: add revlogio interface
Matt Mackall <mpm@selenic.com>
parents:
4971
diff
changeset
|
484 self._io = revlogoldio() |
2072 | 485 if i: |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
486 d = self._io.parseindex(f, self._inline) |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
487 self.index, self.nodemap, self._chunkcache = d |
4985
e6525e459157
revlog: simplify revlog.__init__
Matt Mackall <mpm@selenic.com>
parents:
4984
diff
changeset
|
488 |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
489 # add the magic null revision at -1 |
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
490 self.index.append((0, 0, 0, -1, -1, -1, -1, nullid)) |
116
e484cd5ec282
Only use lazy indexing for big indices and avoid the overhead of the
mpm@selenic.com
parents:
115
diff
changeset
|
491 |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
492 def _loadindex(self, start, end): |
2079 | 493 """load a block of indexes all at once from the lazy parser""" |
494 if isinstance(self.index, lazyindex): | |
495 self.index.p.loadindex(start, end) | |
496 | |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
497 def _loadindexmap(self): |
2072 | 498 """loads both the map and the index from the lazy parser""" |
499 if isinstance(self.index, lazyindex): | |
500 p = self.index.p | |
2079 | 501 p.loadindex() |
502 self.nodemap = p.map | |
503 | |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
504 def _loadmap(self): |
2079 | 505 """loads the map from the lazy parser""" |
506 if isinstance(self.nodemap, lazymap): | |
507 self.nodemap.p.loadmap() | |
508 self.nodemap = self.nodemap.p.map | |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
509 |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
510 def tip(self): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
511 return self.node(len(self.index) - 2) |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
512 def count(self): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
513 return len(self.index) - 1 |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
514 |
1201
59bfbdbc38f6
revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1099
diff
changeset
|
515 def rev(self, node): |
59bfbdbc38f6
revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1099
diff
changeset
|
516 try: |
59bfbdbc38f6
revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1099
diff
changeset
|
517 return self.nodemap[node] |
59bfbdbc38f6
revlog: raise informative exception if file is missing.
Bryan O'Sullivan <bos@serpentine.com>
parents:
1099
diff
changeset
|
518 except KeyError: |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
519 raise LookupError(_('%s: no node %s') % (self.indexfile, hex(node))) |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
520 def node(self, rev): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
521 return self.index[rev][7] |
2651
6414ee2eb688
correct the handling of linkrev with nullid
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
2650
diff
changeset
|
522 def linkrev(self, node): |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
523 return self.index[self.rev(node)][4] |
2 | 524 def parents(self, node): |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
525 d = self.index[self.rev(node)][5:7] |
3505
0aef94f45ebf
revlog.py: always return tuples from parents and parentrevs
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3499
diff
changeset
|
526 return (self.node(d[0]), self.node(d[1])) |
2489
568e58eed096
Add revlog.parentrevs function.
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2354
diff
changeset
|
527 def parentrevs(self, rev): |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
528 return self.index[rev][5:7] |
2072 | 529 def start(self, rev): |
5007
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
530 return int(self.index[rev][0] >> 16) |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
531 def end(self, rev): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
532 return self.start(rev) + self.length(rev) |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
533 def length(self, rev): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
534 return self.index[rev][1] |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
535 def base(self, rev): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
536 return self.index[rev][3] |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
537 |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
538 def size(self, rev): |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
539 """return the length of the uncompressed text for a given revision""" |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
540 l = self.index[rev][2] |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
541 if l >= 0: |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
542 return l |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
543 |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
544 t = self.revision(self.node(rev)) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
545 return len(t) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
546 |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
547 # alternate implementation, The advantage to this code is it |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
548 # will be faster for a single revision. But, the results are not |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
549 # cached, so finding the size of every revision will be slower. |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
550 """ |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
551 if self.cache and self.cache[1] == rev: |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
552 return len(self.cache[2]) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
553 |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
554 base = self.base(rev) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
555 if self.cache and self.cache[1] >= base and self.cache[1] < rev: |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
556 base = self.cache[1] |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
557 text = self.cache[2] |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
558 else: |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
559 text = self.revision(self.node(base)) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
560 |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
561 l = len(text) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
562 for x in xrange(base + 1, rev + 1): |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
563 l = mdiff.patchedsize(l, self.chunk(x)) |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
564 return l |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
565 """ |
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
566 |
3633
508036290b00
revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents:
3585
diff
changeset
|
567 def reachable(self, node, stop=None): |
3683 | 568 """return a hash of all nodes ancestral to a given node, including |
569 the node itself, stopping when stop is matched""" | |
1074
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
570 reachable = {} |
3633
508036290b00
revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents:
3585
diff
changeset
|
571 visit = [node] |
508036290b00
revlog: reachable actually takes a node
Matt Mackall <mpm@selenic.com>
parents:
3585
diff
changeset
|
572 reachable[node] = 1 |
1074
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
573 if stop: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
574 stopn = self.rev(stop) |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
575 else: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
576 stopn = 0 |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
577 while visit: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
578 n = visit.pop(0) |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
579 if n == stop: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
580 continue |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
581 if n == nullid: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
582 continue |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
583 for p in self.parents(n): |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
584 if self.rev(p) < stopn: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
585 continue |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
586 if p not in reachable: |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
587 reachable[p] = 1 |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
588 visit.append(p) |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
589 return reachable |
55bf5cfde69e
Add revlog.reachable to find a graph of ancestors for a given rev
mason@suse.com
parents:
1073
diff
changeset
|
590 |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
591 def nodesbetween(self, roots=None, heads=None): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
592 """Return a tuple containing three elements. Elements 1 and 2 contain |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
593 a final list bases and heads after all the unreachable ones have been |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
594 pruned. Element 0 contains a topologically sorted list of all |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
595 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
596 nodes that satisfy these constraints: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
597 1. All nodes must be descended from a node in roots (the nodes on |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
598 roots are considered descended from themselves). |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
599 2. All nodes must also be ancestors of a node in heads (the nodes in |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
600 heads are considered to be their own ancestors). |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
601 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
602 If roots is unspecified, nullid is assumed as the only root. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
603 If heads is unspecified, it is taken to be the output of the |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
604 heads method (i.e. a list of all nodes in the repository that |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
605 have no children).""" |
1463
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
606 nonodes = ([], [], []) |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
607 if roots is not None: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
608 roots = list(roots) |
1463
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
609 if not roots: |
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
610 return nonodes |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
611 lowestrev = min([self.rev(n) for n in roots]) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
612 else: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
613 roots = [nullid] # Everybody's a descendent of nullid |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
614 lowestrev = nullrev |
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
615 if (lowestrev == nullrev) and (heads is None): |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
616 # We want _all_ the nodes! |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
617 return ([self.node(r) for r in xrange(0, self.count())], |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
618 [nullid], list(self.heads())) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
619 if heads is None: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
620 # All nodes are ancestors, so the latest ancestor is the last |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
621 # node. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
622 highestrev = self.count() - 1 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
623 # Set ancestors to None to signal that every node is an ancestor. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
624 ancestors = None |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
625 # Set heads to an empty dictionary for later discovery of heads |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
626 heads = {} |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
627 else: |
1463
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
628 heads = list(heads) |
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
629 if not heads: |
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
630 return nonodes |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
631 ancestors = {} |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
632 # Turn heads into a dictionary so we can remove 'fake' heads. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
633 # Also, later we will be using it to filter out the heads we can't |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
634 # find from roots. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
635 heads = dict.fromkeys(heads, 0) |
3360
ef8307585b41
nodesbetween: fix a bug with duplicate heads
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3333
diff
changeset
|
636 # Start at the top and keep marking parents until we're done. |
ef8307585b41
nodesbetween: fix a bug with duplicate heads
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3333
diff
changeset
|
637 nodestotag = heads.keys() |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
638 # Remember where the top was so we can use it as a limit later. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
639 highestrev = max([self.rev(n) for n in nodestotag]) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
640 while nodestotag: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
641 # grab a node to tag |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
642 n = nodestotag.pop() |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
643 # Never tag nullid |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
644 if n == nullid: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
645 continue |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
646 # A node's revision number represents its place in a |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
647 # topologically sorted list of nodes. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
648 r = self.rev(n) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
649 if r >= lowestrev: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
650 if n not in ancestors: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
651 # If we are possibly a descendent of one of the roots |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
652 # and we haven't already been marked as an ancestor |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
653 ancestors[n] = 1 # Mark as ancestor |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
654 # Add non-nullid parents to list of nodes to tag. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
655 nodestotag.extend([p for p in self.parents(n) if |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
656 p != nullid]) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
657 elif n in heads: # We've seen it before, is it a fake head? |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
658 # So it is, real heads should not be the ancestors of |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
659 # any other heads. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
660 heads.pop(n) |
1459
106fdec8e1fb
Fix small bug in nodesbetween if heads is [nullid].
Eric Hopper <hopper@omnifarious.org>
parents:
1458
diff
changeset
|
661 if not ancestors: |
1463
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
662 return nonodes |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
663 # Now that we have our set of ancestors, we want to remove any |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
664 # roots that are not ancestors. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
665 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
666 # If one of the roots was nullid, everything is included anyway. |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
667 if lowestrev > nullrev: |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
668 # But, since we weren't, let's recompute the lowest rev to not |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
669 # include roots that aren't ancestors. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
670 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
671 # Filter out roots that aren't ancestors of heads |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
672 roots = [n for n in roots if n in ancestors] |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
673 # Recompute the lowest revision |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
674 if roots: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
675 lowestrev = min([self.rev(n) for n in roots]) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
676 else: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
677 # No more roots? Return empty list |
1463
26e73acc0cdf
Fix to handle case of empty list for roots or heads in nodesbetween.
Eric Hopper <hopper@omnifarious.org>
parents:
1459
diff
changeset
|
678 return nonodes |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
679 else: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
680 # We are descending from nullid, and don't need to care about |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
681 # any other roots. |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
682 lowestrev = nullrev |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
683 roots = [nullid] |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
684 # Transform our roots list into a 'set' (i.e. a dictionary where the |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
685 # values don't matter. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
686 descendents = dict.fromkeys(roots, 1) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
687 # Also, keep the original roots so we can filter out roots that aren't |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
688 # 'real' roots (i.e. are descended from other roots). |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
689 roots = descendents.copy() |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
690 # Our topologically sorted list of output nodes. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
691 orderedout = [] |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
692 # Don't start at nullid since we don't want nullid in our output list, |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
693 # and if nullid shows up in descedents, empty parents will look like |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
694 # they're descendents. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
695 for r in xrange(max(lowestrev, 0), highestrev + 1): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
696 n = self.node(r) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
697 isdescendent = False |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
698 if lowestrev == nullrev: # Everybody is a descendent of nullid |
1457
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
699 isdescendent = True |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
700 elif n in descendents: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
701 # n is already a descendent |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
702 isdescendent = True |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
703 # This check only needs to be done here because all the roots |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
704 # will start being marked is descendents before the loop. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
705 if n in roots: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
706 # If n was a root, check if it's a 'real' root. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
707 p = tuple(self.parents(n)) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
708 # If any of its parents are descendents, it's not a root. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
709 if (p[0] in descendents) or (p[1] in descendents): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
710 roots.pop(n) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
711 else: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
712 p = tuple(self.parents(n)) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
713 # A node is a descendent if either of its parents are |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
714 # descendents. (We seeded the dependents list with the roots |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
715 # up there, remember?) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
716 if (p[0] in descendents) or (p[1] in descendents): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
717 descendents[n] = 1 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
718 isdescendent = True |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
719 if isdescendent and ((ancestors is None) or (n in ancestors)): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
720 # Only include nodes that are both descendents and ancestors. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
721 orderedout.append(n) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
722 if (ancestors is not None) and (n in heads): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
723 # We're trying to figure out which heads are reachable |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
724 # from roots. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
725 # Mark this head as having been reached |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
726 heads[n] = 1 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
727 elif ancestors is None: |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
728 # Otherwise, we're trying to discover the heads. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
729 # Assume this is a head because if it isn't, the next step |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
730 # will eventually remove it. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
731 heads[n] = 1 |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
732 # But, obviously its parents aren't. |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
733 for p in self.parents(n): |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
734 heads.pop(p, None) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
735 heads = [n for n in heads.iterkeys() if heads[n] != 0] |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
736 roots = roots.keys() |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
737 assert orderedout |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
738 assert roots |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
739 assert heads |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
740 return (orderedout, roots, heads) |
518da3c3b6ce
This implements the nodesbetween method, and it removes the newer method
Eric Hopper <hopper@omnifarious.org>
parents:
1351
diff
changeset
|
741 |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
742 def heads(self, start=None, stop=None): |
1550
ccb9b62de892
add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1535
diff
changeset
|
743 """return the list of all nodes that have no children |
1551
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
744 |
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
745 if start is specified, only heads that are descendants of |
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
746 start will be returned |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
747 if stop is specified, it will consider all the revs from stop |
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
748 as if they had no children |
1551
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
749 """ |
4991
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
750 if start is None and stop is None: |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
751 count = self.count() |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
752 if not count: |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
753 return [nullid] |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
754 ishead = [1] * (count + 1) |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
755 index = self.index |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
756 for r in xrange(count): |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
757 e = index[r] |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
758 ishead[e[5]] = ishead[e[6]] = 0 |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
759 return [self.node(r) for r in xrange(count) if ishead[r]] |
9c8c42bcf17a
revlog: implement a fast path for heads
Matt Mackall <mpm@selenic.com>
parents:
4990
diff
changeset
|
760 |
1551
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
761 if start is None: |
e793cbc8be00
Fixes to "hg heads -r FOO":
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1550
diff
changeset
|
762 start = nullid |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
763 if stop is None: |
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
764 stop = [] |
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
765 stoprevs = dict.fromkeys([self.rev(n) for n in stop]) |
1550
ccb9b62de892
add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1535
diff
changeset
|
766 startrev = self.rev(start) |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
767 reachable = {startrev: 1} |
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
768 heads = {startrev: 1} |
1083 | 769 |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
770 parentrevs = self.parentrevs |
1550
ccb9b62de892
add a -r/--rev option to heads to show only heads descendant from rev
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1535
diff
changeset
|
771 for r in xrange(startrev + 1, self.count()): |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
772 for p in parentrevs(r): |
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
773 if p in reachable: |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
774 if r not in stoprevs: |
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
775 reachable[r] = 1 |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
776 heads[r] = 1 |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
777 if p in heads and p not in stoprevs: |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
778 del heads[p] |
3925
27230c29bfec
fix calculation of new heads added during push with -r
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3755
diff
changeset
|
779 |
2490
6ff82ec1f4b8
Change revlog.heads to walk the revision graph using revision numbers
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
2489
diff
changeset
|
780 return [self.node(r) for r in heads] |
370 | 781 |
782 def children(self, node): | |
1083 | 783 """find the children of a given node""" |
370 | 784 c = [] |
785 p = self.rev(node) | |
786 for r in range(p + 1, self.count()): | |
4781
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
787 prevs = [pr for pr in self.parentrevs(r) if pr != nullrev] |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
788 if prevs: |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
789 for pr in prevs: |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
790 if pr == p: |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
791 c.append(self.node(r)) |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
792 elif p == nullrev: |
62c56d8f368b
Fix revlog.children so the real children of the null revision can be calculated.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
4635
diff
changeset
|
793 c.append(self.node(r)) |
370 | 794 return c |
515 | 795 |
3494
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
796 def _match(self, id): |
3210
7240f9e47144
correctly find the type of 'id' in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3153
diff
changeset
|
797 if isinstance(id, (long, int)): |
3152
d01e4cb2f5f2
cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3139
diff
changeset
|
798 # rev |
2650
156fb1feab62
lookup should allow -1 to represent nullid (if passed an int as arg)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
2600
diff
changeset
|
799 return self.node(id) |
3438 | 800 if len(id) == 20: |
801 # possibly a binary node | |
802 # odds of a binary node being all hex in ASCII are 1 in 10**25 | |
803 try: | |
804 node = id | |
805 r = self.rev(node) # quick search the index | |
806 return node | |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
807 except LookupError: |
3438 | 808 pass # may be partial hex id |
36
da28286bf6b7
Add smart node lookup by substring or by rev number
mpm@selenic.com
parents:
26
diff
changeset
|
809 try: |
3152
d01e4cb2f5f2
cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3139
diff
changeset
|
810 # str(rev) |
36
da28286bf6b7
Add smart node lookup by substring or by rev number
mpm@selenic.com
parents:
26
diff
changeset
|
811 rev = int(id) |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
812 if str(rev) != id: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
813 raise ValueError |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
814 if rev < 0: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
815 rev = self.count() + rev |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
816 if rev < 0 or rev >= self.count(): |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
817 raise ValueError |
36
da28286bf6b7
Add smart node lookup by substring or by rev number
mpm@selenic.com
parents:
26
diff
changeset
|
818 return self.node(rev) |
469 | 819 except (ValueError, OverflowError): |
3152
d01e4cb2f5f2
cleanups in revlog.lookup
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3139
diff
changeset
|
820 pass |
3494
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
821 if len(id) == 40: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
822 try: |
3438 | 823 # a full hex nodeid? |
824 node = bin(id) | |
825 r = self.rev(node) | |
3153
4fe41a9e4591
optimize revlog.lookup when passed hex(node)[:...]
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
3152
diff
changeset
|
826 return node |
3494
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
827 except TypeError: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
828 pass |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
829 |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
830 def _partialmatch(self, id): |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
831 if len(id) < 40: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
832 try: |
3438 | 833 # hex(node)[:...] |
834 bin_id = bin(id[:len(id) & ~1]) # grab an even number of digits | |
835 node = None | |
836 for n in self.nodemap: | |
837 if n.startswith(bin_id) and hex(n).startswith(id): | |
838 if node is not None: | |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
839 raise LookupError(_("Ambiguous identifier")) |
3438 | 840 node = n |
841 if node is not None: | |
842 return node | |
3494
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
843 except TypeError: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
844 pass |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
845 |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
846 def lookup(self, id): |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
847 """locate a node based on: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
848 - revision number or str(revision number) |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
849 - nodeid or subset of hex nodeid |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
850 """ |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
851 n = self._match(id) |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
852 if n is not None: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
853 return n |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
854 n = self._partialmatch(id) |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
855 if n: |
dba3cadef789
Only look up tags and branches as a last resort
Matt Mackall <mpm@selenic.com>
parents:
3438
diff
changeset
|
856 return n |
515 | 857 |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
858 raise LookupError(_("No match found")) |
36
da28286bf6b7
Add smart node lookup by substring or by rev number
mpm@selenic.com
parents:
26
diff
changeset
|
859 |
2910
5df3e5cf16bc
Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents:
2858
diff
changeset
|
860 def cmp(self, node, text): |
5df3e5cf16bc
Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents:
2858
diff
changeset
|
861 """compare text with a given file revision""" |
5df3e5cf16bc
Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents:
2858
diff
changeset
|
862 p1, p2 = self.parents(node) |
5df3e5cf16bc
Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents:
2858
diff
changeset
|
863 return hash(text, p1, p2) != node |
5df3e5cf16bc
Move cmp bits from filelog to revlog
Matt Mackall <mpm@selenic.com>
parents:
2858
diff
changeset
|
864 |
4988
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
865 def chunk(self, rev, df=None): |
2072 | 866 def loadcache(df): |
867 if not df: | |
4988
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
868 if self._inline: |
2073 | 869 df = self.opener(self.indexfile) |
870 else: | |
871 df = self.opener(self.datafile) | |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
872 df.seek(start) |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
873 self._chunkcache = (start, df.read(cache_length)) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
874 |
5007
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
875 start, length = self.start(rev), self.length(rev) |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
876 if self._inline: |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
877 start += (rev + 1) * self._io.size |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
878 end = start + length |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
879 |
5007
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
880 offset = 0 |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
881 if not self._chunkcache: |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
882 cache_length = max(65536, length) |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
883 loadcache(df) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
884 else: |
5007
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
885 cache_start = self._chunkcache[0] |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
886 cache_length = len(self._chunkcache[1]) |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
887 cache_end = cache_start + cache_length |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
888 if start >= cache_start and end <= cache_end: |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
889 # it is cached |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
890 offset = start - cache_start |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
891 else: |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
892 cache_length = max(65536, length) |
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
893 loadcache(df) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
894 |
4988
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
895 # avoid copying large chunks |
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
896 c = self._chunkcache[1] |
5007
c2febf5420e9
revlog: minor chunk speed-up
Matt Mackall <mpm@selenic.com>
parents:
5006
diff
changeset
|
897 if cache_length != length: |
4988
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
898 c = c[offset:offset + length] |
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
899 |
14486eea8e7a
revlog: speed up chunkcache
Matt Mackall <mpm@selenic.com>
parents:
4987
diff
changeset
|
900 return decompress(c) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
901 |
119
c7a66f9752a4
Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents:
117
diff
changeset
|
902 def delta(self, node): |
1083 | 903 """return or calculate a delta between a node and its predecessor""" |
119
c7a66f9752a4
Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents:
117
diff
changeset
|
904 r = self.rev(node) |
1941
7518823709a2
revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1853
diff
changeset
|
905 return self.revdiff(r - 1, r) |
7518823709a2
revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1853
diff
changeset
|
906 |
7518823709a2
revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1853
diff
changeset
|
907 def revdiff(self, rev1, rev2): |
7518823709a2
revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1853
diff
changeset
|
908 """return or calculate a delta between two revisions""" |
5006
72082bfced9a
revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents:
5005
diff
changeset
|
909 if rev1 + 1 == rev2 and self.base(rev1) == self.base(rev2): |
1941
7518823709a2
revlog.py: factorization and fixes for rev < 0 (nullid)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1853
diff
changeset
|
910 return self.chunk(rev2) |
5006
72082bfced9a
revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents:
5005
diff
changeset
|
911 |
72082bfced9a
revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents:
5005
diff
changeset
|
912 return mdiff.textdiff(self.revision(self.node(rev1)), |
72082bfced9a
revlog: minor revdiff reorganization
Matt Mackall <mpm@selenic.com>
parents:
5005
diff
changeset
|
913 self.revision(self.node(rev2))) |
119
c7a66f9752a4
Add code to retrieve or construct a revlog delta
mpm@selenic.com
parents:
117
diff
changeset
|
914 |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
915 def revision(self, node): |
1083 | 916 """return an uncompressed revision of a given""" |
4980
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
917 if node == nullid: |
fc44c8df9d99
revlog: some codingstyle cleanups
Matt Mackall <mpm@selenic.com>
parents:
4979
diff
changeset
|
918 return "" |
4984 | 919 if self._cache and self._cache[0] == node: |
5450
c728424d44c6
revlog: fix caching of buffer objects
Matt Mackall <mpm@selenic.com>
parents:
5448
diff
changeset
|
920 return str(self._cache[2]) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
921 |
1083 | 922 # look up what we need to read |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
923 text = None |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
924 rev = self.rev(node) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
925 base = self.base(rev) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
926 |
5005
825516d16b25
revlog: move flag checking out of the offset fastpath
Matt Mackall <mpm@selenic.com>
parents:
4996
diff
changeset
|
927 # check rev flags |
825516d16b25
revlog: move flag checking out of the offset fastpath
Matt Mackall <mpm@selenic.com>
parents:
4996
diff
changeset
|
928 if self.index[rev][0] & 0xFFFF: |
5322
fb070713ff36
revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents:
5008
diff
changeset
|
929 raise RevlogError(_('incompatible revision flag %x') % |
fb070713ff36
revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents:
5008
diff
changeset
|
930 (self.index[rev][0] & 0xFFFF)) |
5005
825516d16b25
revlog: move flag checking out of the offset fastpath
Matt Mackall <mpm@selenic.com>
parents:
4996
diff
changeset
|
931 |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
932 if self._inline: |
2073 | 933 # we probably have the whole chunk cached |
934 df = None | |
935 else: | |
936 df = self.opener(self.datafile) | |
2072 | 937 |
1083 | 938 # do we have useful data cached? |
4984 | 939 if self._cache and self._cache[1] >= base and self._cache[1] < rev: |
940 base = self._cache[1] | |
5450
c728424d44c6
revlog: fix caching of buffer objects
Matt Mackall <mpm@selenic.com>
parents:
5448
diff
changeset
|
941 text = str(self._cache[2]) |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
942 self._loadindex(base, rev + 1) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
943 else: |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
944 self._loadindex(base, rev + 1) |
2072 | 945 text = self.chunk(base, df=df) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
946 |
4989
1aaed3d69772
revlog: eliminate diff and patches functions
Matt Mackall <mpm@selenic.com>
parents:
4988
diff
changeset
|
947 bins = [self.chunk(r, df) for r in xrange(base + 1, rev + 1)] |
1aaed3d69772
revlog: eliminate diff and patches functions
Matt Mackall <mpm@selenic.com>
parents:
4988
diff
changeset
|
948 text = mdiff.patches(text, bins) |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
949 p1, p2 = self.parents(node) |
26 | 950 if node != hash(text, p1, p2): |
1402
9d2c2e6b32b5
i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1400
diff
changeset
|
951 raise RevlogError(_("integrity check failed on %s:%d") |
3680
69cf255a55a1
Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3679
diff
changeset
|
952 % (self.datafile, rev)) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
953 |
4984 | 954 self._cache = (node, rev, text) |
515 | 955 return text |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
956 |
2075
343aeefb553b
Make the appendfile class inline-data index friendly
mason@suse.com
parents:
2073
diff
changeset
|
957 def checkinlinesize(self, tr, fp=None): |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
958 if not self._inline: |
2073 | 959 return |
2075
343aeefb553b
Make the appendfile class inline-data index friendly
mason@suse.com
parents:
2073
diff
changeset
|
960 if not fp: |
343aeefb553b
Make the appendfile class inline-data index friendly
mason@suse.com
parents:
2073
diff
changeset
|
961 fp = self.opener(self.indexfile, 'r') |
2082
856f0ba200bc
Additional appendfile fixes for interleaved data/index files
mason@suse.com
parents:
2081
diff
changeset
|
962 fp.seek(0, 2) |
2073 | 963 size = fp.tell() |
964 if size < 131072: | |
965 return | |
2084 | 966 trinfo = tr.find(self.indexfile) |
967 if trinfo == None: | |
3680
69cf255a55a1
Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3679
diff
changeset
|
968 raise RevlogError(_("%s not found in the transaction") |
69cf255a55a1
Indentation cleanups for 2956948b81f3.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3679
diff
changeset
|
969 % self.indexfile) |
2084 | 970 |
971 trindex = trinfo[2] | |
972 dataoff = self.start(trindex) | |
973 | |
974 tr.add(self.datafile, dataoff) | |
2073 | 975 df = self.opener(self.datafile, 'w') |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
976 calc = self._io.size |
2073 | 977 for r in xrange(self.count()): |
978 start = self.start(r) + (r + 1) * calc | |
979 length = self.length(r) | |
980 fp.seek(start) | |
981 d = fp.read(length) | |
982 df.write(d) | |
983 fp.close() | |
984 df.close() | |
2076
d007df6daf8e
Create an atomic opener that does not automatically rename on close
mason@suse.com
parents:
2075
diff
changeset
|
985 fp = self.opener(self.indexfile, 'w', atomictemp=True) |
2073 | 986 self.version &= ~(REVLOGNGINLINEDATA) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
987 self._inline = False |
4986
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
988 for i in xrange(self.count()): |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
989 e = self._io.packentry(self.index[i], self.node, self.version, i) |
2073 | 990 fp.write(e) |
991 | |
2076
d007df6daf8e
Create an atomic opener that does not automatically rename on close
mason@suse.com
parents:
2075
diff
changeset
|
992 # if we don't call rename, the temp file will never replace the |
d007df6daf8e
Create an atomic opener that does not automatically rename on close
mason@suse.com
parents:
2075
diff
changeset
|
993 # real index |
d007df6daf8e
Create an atomic opener that does not automatically rename on close
mason@suse.com
parents:
2075
diff
changeset
|
994 fp.rename() |
2084 | 995 |
996 tr.replace(self.indexfile, trindex * calc) | |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
997 self._chunkcache = None |
2073 | 998 |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
999 def addrevision(self, text, transaction, link, p1, p2, d=None): |
1083 | 1000 """add a revision to the log |
1001 | |
1002 text - the revision data to add | |
1003 transaction - the transaction object used for rollback | |
1004 link - the linkrev data to add | |
1005 p1, p2 - the parent nodeids of the revision | |
1006 d - an optional precomputed delta | |
1007 """ | |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1008 dfh = None |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1009 if not self._inline: |
3390
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1010 dfh = self.opener(self.datafile, "a") |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1011 ifh = self.opener(self.indexfile, "a+") |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1012 return self._addrevision(text, transaction, link, p1, p2, d, ifh, dfh) |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1013 |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1014 def _addrevision(self, text, transaction, link, p1, p2, d, ifh, dfh): |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1015 node = hash(text, p1, p2) |
301 | 1016 if node in self.nodemap: |
1017 return node | |
1018 | |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1019 curr = self.count() |
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1020 prev = curr - 1 |
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1021 base = self.base(prev) |
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1022 offset = self.end(prev) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1023 |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1024 if curr: |
644 | 1025 if not d: |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1026 ptext = self.revision(self.node(prev)) |
4989
1aaed3d69772
revlog: eliminate diff and patches functions
Matt Mackall <mpm@selenic.com>
parents:
4988
diff
changeset
|
1027 d = mdiff.textdiff(ptext, text) |
98 | 1028 data = compress(d) |
1533
3d11f81c9145
Reduce string duplication in compression code
mason@suse.com
parents:
1509
diff
changeset
|
1029 l = len(data[1]) + len(data[0]) |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1030 dist = l + offset - self.start(base) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1031 |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1032 # full versions are inserted when the needed deltas |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1033 # become comparable to the uncompressed text |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1034 if not curr or dist > len(text) * 2: |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1035 data = compress(text) |
1533
3d11f81c9145
Reduce string duplication in compression code
mason@suse.com
parents:
1509
diff
changeset
|
1036 l = len(data[1]) + len(data[0]) |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1037 base = curr |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1038 |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1039 e = (offset_type(offset, 0), l, len(text), |
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1040 base, link, self.rev(p1), self.rev(p2), node) |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
1041 self.index.insert(-1, e) |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1042 self.nodemap[node] = curr |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1043 |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
1044 entry = self._io.packentry(e, self.node, self.version, curr) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1045 if not self._inline: |
2073 | 1046 transaction.add(self.datafile, offset) |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1047 transaction.add(self.indexfile, curr * len(entry)) |
2073 | 1048 if data[0]: |
3390
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1049 dfh.write(data[0]) |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1050 dfh.write(data[1]) |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1051 dfh.flush() |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1052 ifh.write(entry) |
2073 | 1053 else: |
4996
a0d37976cd5b
revlog: avoid some unnecessary seek/tell syscalls
Matt Mackall <mpm@selenic.com>
parents:
4994
diff
changeset
|
1054 offset += curr * self._io.size |
5320
8409a2e3a78d
revlog: fix inlined revision transaction extra data (issue 749)
Patrick Mezard <pmezard@gmail.com>
parents:
5008
diff
changeset
|
1055 transaction.add(self.indexfile, offset, curr) |
4981
e7131935fbb3
revlog: simplify addrevision
Matt Mackall <mpm@selenic.com>
parents:
4980
diff
changeset
|
1056 ifh.write(entry) |
3390
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1057 ifh.write(data[0]) |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1058 ifh.write(data[1]) |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1059 self.checkinlinesize(transaction, ifh) |
2073 | 1060 |
4984 | 1061 self._cache = (node, curr, text) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1062 return node |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1063 |
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1064 def ancestor(self, a, b): |
1083 | 1065 """calculate the least common ancestor of nodes a and b""" |
2081
416d8b2a75b8
Speedup revlog.ancestors for the linear case
Chris Mason <mason@suse.com>
parents:
2080
diff
changeset
|
1066 |
3139
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1067 def parents(rev): |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
1068 return [p for p in self.parentrevs(rev) if p != nullrev] |
515 | 1069 |
3139
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1070 c = ancestor.ancestor(self.rev(a), self.rev(b), parents) |
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1071 if c is None: |
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1072 return nullid |
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1073 |
1fd1cdcc4200
Switch revlog.ancestor to use revisions rather than nodeids
Matt Mackall <mpm@selenic.com>
parents:
3136
diff
changeset
|
1074 return self.node(c) |
0
9117c6561b0b
Add back links from file revisions to changeset revisions
mpm@selenic.com
parents:
diff
changeset
|
1075 |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
1076 def group(self, nodelist, lookup, infocollect=None): |
1083 | 1077 """calculate a delta group |
46 | 1078 |
1083 | 1079 Given a list of changeset revs, return a set of deltas and |
1080 metadata corresponding to nodes. the first delta is | |
1081 parent(nodes[0]) -> nodes[0] the receiver is guaranteed to | |
1082 have this parent as it has all history before these | |
1083 changesets. parent is parent[0] | |
1084 """ | |
1458
1033892bbb87
This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents:
1457
diff
changeset
|
1085 revs = [self.rev(n) for n in nodelist] |
46 | 1086 |
1087 # if we don't have any revisions touched by these changesets, bail | |
192 | 1088 if not revs: |
1981
736b6c96bbbc
make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1941
diff
changeset
|
1089 yield changegroup.closechunk() |
192 | 1090 return |
46 | 1091 |
1092 # add the parent of the first rev | |
1093 p = self.parents(self.node(revs[0]))[0] | |
1094 revs.insert(0, self.rev(p)) | |
1095 | |
1096 # build deltas | |
71
47c9a869adee
Add mdiff.patches to speed up applying thousands of patches to the manifest
mpm@selenic.com
parents:
67
diff
changeset
|
1097 for d in xrange(0, len(revs) - 1): |
46 | 1098 a, b = revs[d], revs[d + 1] |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
1099 nb = self.node(b) |
192 | 1100 |
1458
1033892bbb87
This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents:
1457
diff
changeset
|
1101 if infocollect is not None: |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
1102 infocollect(nb) |
1458
1033892bbb87
This changes the revlog.group and re-implements the localrepo.changeroup
Eric Hopper <hopper@omnifarious.org>
parents:
1457
diff
changeset
|
1103 |
1598
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
1104 p = self.parents(nb) |
14d1f1868bf6
cleanup of revlog.group when repository is local
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1559
diff
changeset
|
1105 meta = nb + p[0] + p[1] + lookup(nb) |
5369
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
5338
diff
changeset
|
1106 if a == -1: |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
5338
diff
changeset
|
1107 d = self.revision(nb) |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
5338
diff
changeset
|
1108 meta += mdiff.trivialdiffheader(len(d)) |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
5338
diff
changeset
|
1109 else: |
7530334bf301
revlog: generate trivial deltas against null revision
Matt Mackall <mpm@selenic.com>
parents:
5338
diff
changeset
|
1110 d = self.revdiff(a, b) |
5370
61462e7d62ed
changegroup: avoid large copies
Matt Mackall <mpm@selenic.com>
parents:
5369
diff
changeset
|
1111 yield changegroup.chunkheader(len(meta) + len(d)) |
61462e7d62ed
changegroup: avoid large copies
Matt Mackall <mpm@selenic.com>
parents:
5369
diff
changeset
|
1112 yield meta |
5448
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1113 if len(d) > 2**20: |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1114 pos = 0 |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1115 while pos < len(d): |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1116 pos2 = pos + 2 ** 18 |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1117 yield d[pos:pos2] |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1118 pos = pos2 |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1119 else: |
e038738714fd
revlog: avoid large yields in group()
Matt Mackall <mpm@selenic.com>
parents:
5445
diff
changeset
|
1120 yield d |
46 | 1121 |
1981
736b6c96bbbc
make incoming work via ssh (issue139); move chunk code into separate module.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1941
diff
changeset
|
1122 yield changegroup.closechunk() |
192 | 1123 |
1062 | 1124 def addgroup(self, revs, linkmapper, transaction, unique=0): |
1083 | 1125 """ |
1126 add a delta group | |
46 | 1127 |
1083 | 1128 given a set of deltas, add them to the revision log. the |
1129 first delta is against its parent, which should be in our | |
1130 log, the rest are against the previous delta. | |
1131 """ | |
1132 | |
1133 #track the base of the current delta log | |
46 | 1134 r = self.count() |
1135 t = r - 1 | |
2002
4aab906517c6
Calling revlog.addgroup with an empty changegroup now raises RevlogError.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
1981
diff
changeset
|
1136 node = None |
515 | 1137 |
3578
3b4e00cba57a
Define and use nullrev (revision of nullid) instead of -1.
Thomas Arendsen Hein <thomas@intevation.de>
parents:
3505
diff
changeset
|
1138 base = prev = nullrev |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
1139 start = end = textlen = 0 |
46 | 1140 if r: |
1141 end = self.end(t) | |
1142 | |
2072 | 1143 ifh = self.opener(self.indexfile, "a+") |
4996
a0d37976cd5b
revlog: avoid some unnecessary seek/tell syscalls
Matt Mackall <mpm@selenic.com>
parents:
4994
diff
changeset
|
1144 isize = r * self._io.size |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1145 if self._inline: |
4996
a0d37976cd5b
revlog: avoid some unnecessary seek/tell syscalls
Matt Mackall <mpm@selenic.com>
parents:
4994
diff
changeset
|
1146 transaction.add(self.indexfile, end + isize, r) |
2073 | 1147 dfh = None |
1148 else: | |
4996
a0d37976cd5b
revlog: avoid some unnecessary seek/tell syscalls
Matt Mackall <mpm@selenic.com>
parents:
4994
diff
changeset
|
1149 transaction.add(self.indexfile, isize, r) |
2073 | 1150 transaction.add(self.datafile, end) |
1151 dfh = self.opener(self.datafile, "a") | |
46 | 1152 |
1153 # loop through our set of deltas | |
192 | 1154 chain = None |
1155 for chunk in revs: | |
1156 node, p1, p2, cs = struct.unpack("20s20s20s20s", chunk[:80]) | |
94 | 1157 link = linkmapper(cs) |
77 | 1158 if node in self.nodemap: |
224
ccbcc4d76f81
fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents:
221
diff
changeset
|
1159 # this can happen if two branches make the same change |
1218
cde6818e082a
Add preliminary support for the bundle and unbundle commands
mpm@selenic.com
parents:
1214
diff
changeset
|
1160 # if unique: |
1402
9d2c2e6b32b5
i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1400
diff
changeset
|
1161 # raise RevlogError(_("already have %s") % hex(node[:4])) |
653
94cdd02792b5
Fix corruption resulting from skipping parts of a revision group
Matt Mackall <mpm@selenic.com>
parents:
651
diff
changeset
|
1162 chain = node |
224
ccbcc4d76f81
fix bad assumption about uniqueness of file versions
mpm@selenic.com
parents:
221
diff
changeset
|
1163 continue |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1164 delta = buffer(chunk, 80) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1165 del chunk |
192 | 1166 |
1509
46a07392cf28
Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents:
1494
diff
changeset
|
1167 for p in (p1, p2): |
46a07392cf28
Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents:
1494
diff
changeset
|
1168 if not p in self.nodemap: |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
1169 raise LookupError(_("unknown parent %s") % short(p)) |
1509
46a07392cf28
Add safety check for addgroup
Matt Mackall <mpm@selenic.com>
parents:
1494
diff
changeset
|
1170 |
192 | 1171 if not chain: |
1172 # retrieve the parent revision of the delta chain | |
1173 chain = p1 | |
1174 if not chain in self.nodemap: | |
3930
01d98d68d697
Add revlog.LookupError exception, and use it instead of RevlogError.
Brendan Cully <brendan@kublai.com>
parents:
3928
diff
changeset
|
1175 raise LookupError(_("unknown base %s") % short(chain[:4])) |
46 | 1176 |
1177 # full versions are inserted when the needed deltas become | |
1178 # comparable to the uncompressed text or when the previous | |
1179 # version is not the one we have a delta against. We use | |
1180 # the size of the previous full rev as a proxy for the | |
1181 # current size. | |
1182 | |
1183 if chain == prev: | |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1184 cdelta = compress(delta) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1185 cdeltalen = len(cdelta[0]) + len(cdelta[1]) |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
1186 textlen = mdiff.patchedsize(textlen, delta) |
46 | 1187 |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1188 if chain != prev or (end - start + cdeltalen) > textlen * 2: |
46 | 1189 # flush our writes here so we can read it in revision |
2072 | 1190 if dfh: |
1191 dfh.flush() | |
46 | 1192 ifh.flush() |
65
d40cc5aacc31
Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents:
64
diff
changeset
|
1193 text = self.revision(chain) |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1194 if len(text) == 0: |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1195 # skip over trivial delta header |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1196 text = buffer(delta, 12) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1197 else: |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1198 text = mdiff.patches(text, [delta]) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1199 del delta |
3390
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1200 chk = self._addrevision(text, transaction, link, p1, p2, None, |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1201 ifh, dfh) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1202 if not dfh and not self._inline: |
3390
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1203 # addrevision switched from inline to conventional |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1204 # reopen the index |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1205 dfh = self.opener(self.datafile, "a") |
a74addddd092
make revlog.addgroup pass its file handles to addrevision
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
3360
diff
changeset
|
1206 ifh = self.opener(self.indexfile, "a") |
46 | 1207 if chk != node: |
1402
9d2c2e6b32b5
i18n part2: use '_' for all strings who are part of the user interface
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1400
diff
changeset
|
1208 raise RevlogError(_("consistency error adding group")) |
2078
441ea218414e
Fill in the uncompressed size during revlog.addgroup
mason@suse.com
parents:
2077
diff
changeset
|
1209 textlen = len(text) |
46 | 1210 else: |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1211 e = (offset_type(end, 0), cdeltalen, textlen, base, |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1212 link, self.rev(p1), self.rev(p2), node) |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
1213 self.index.insert(-1, e) |
46 | 1214 self.nodemap[node] = r |
5338
f87685355c9c
revlog: fix revlogio.packentry corner case
Alexis S. L. Carvalho <alexis@cecm.usp.br>
parents:
5325
diff
changeset
|
1215 entry = self._io.packentry(e, self.node, self.version, r) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1216 if self._inline: |
4986
58cc017ec7e0
revlog: abstract out index entry packing
Matt Mackall <mpm@selenic.com>
parents:
4985
diff
changeset
|
1217 ifh.write(entry) |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1218 ifh.write(cdelta[0]) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1219 ifh.write(cdelta[1]) |
2075
343aeefb553b
Make the appendfile class inline-data index friendly
mason@suse.com
parents:
2073
diff
changeset
|
1220 self.checkinlinesize(transaction, ifh) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1221 if not self._inline: |
2073 | 1222 dfh = self.opener(self.datafile, "a") |
1223 ifh = self.opener(self.indexfile, "a") | |
1224 else: | |
5445
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1225 dfh.write(cdelta[0]) |
64cf1c853674
revlog: reduce memory usage in addgroup
Matt Mackall <mpm@selenic.com>
parents:
5370
diff
changeset
|
1226 dfh.write(cdelta[1]) |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1227 ifh.write(entry) |
46 | 1228 |
65
d40cc5aacc31
Fix up a bunch of bugs in the new merge code
mpm@selenic.com
parents:
64
diff
changeset
|
1229 t, r, chain, prev = r, r + 1, node, node |
1749
d457fec76ab0
fix warnings from pychecker (unused variables and shadowing)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1711
diff
changeset
|
1230 base = self.base(t) |
d457fec76ab0
fix warnings from pychecker (unused variables and shadowing)
Benoit Boissinot <benoit.boissinot@ens-lyon.org>
parents:
1711
diff
changeset
|
1231 start = self.start(base) |
46 | 1232 end = self.end(t) |
1233 | |
1234 return node | |
1493
1a216cb4ee64
verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents:
1469
diff
changeset
|
1235 |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1236 def strip(self, rev, minlink): |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1237 if self.count() == 0 or rev >= self.count(): |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1238 return |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1239 |
2072 | 1240 if isinstance(self.index, lazyindex): |
4964
ee983d0dbea8
revlog: privatize some methods
Matt Mackall <mpm@selenic.com>
parents:
4963
diff
changeset
|
1241 self._loadindexmap() |
2072 | 1242 |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1243 # When stripping away a revision, we need to make sure it |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1244 # does not actually belong to an older changeset. |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1245 # The minlink parameter defines the oldest revision |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1246 # we're allowed to strip away. |
4978
93d48a8fa496
revlog: change accesses to index entry elements to use positive offsets
Matt Mackall <mpm@selenic.com>
parents:
4977
diff
changeset
|
1247 while minlink > self.index[rev][4]: |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1248 rev += 1 |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1249 if rev >= self.count(): |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1250 return |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1251 |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1252 # first truncate the files on disk |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1253 end = self.start(rev) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1254 if not self._inline: |
2073 | 1255 df = self.opener(self.datafile, "a") |
1256 df.truncate(end) | |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1257 end = rev * self._io.size |
2073 | 1258 else: |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1259 end += rev * self._io.size |
2072 | 1260 |
1261 indexf = self.opener(self.indexfile, "a") | |
1262 indexf.truncate(end) | |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1263 |
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1264 # then reset internal state in memory to forget those revisions |
4984 | 1265 self._cache = None |
4983
4dbcfc6e359e
revlog: pull chunkcache back into revlog
Matt Mackall <mpm@selenic.com>
parents:
4982
diff
changeset
|
1266 self._chunkcache = None |
2072 | 1267 for x in xrange(rev, self.count()): |
1268 del self.nodemap[self.node(x)] | |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1269 |
4979
06abdaf78788
revlog: add a magic null revision to our index
Matt Mackall <mpm@selenic.com>
parents:
4978
diff
changeset
|
1270 del self.index[rev:-1] |
1535
7ae0ce7a3dc4
Add revlog.strip to truncate away revisions.
mason@suse.com
parents:
1533
diff
changeset
|
1271 |
1493
1a216cb4ee64
verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents:
1469
diff
changeset
|
1272 def checksize(self): |
1a216cb4ee64
verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents:
1469
diff
changeset
|
1273 expected = 0 |
1a216cb4ee64
verify: add check for mismatch of index and data length
Matt Mackall <mpm@selenic.com>
parents:
1469
diff
changeset
|
1274 if self.count(): |
5322
fb070713ff36
revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents:
5008
diff
changeset
|
1275 expected = max(0, self.end(self.count() - 1)) |
1667
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1276 |
1494
249ca10d37f4
Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents:
1493
diff
changeset
|
1277 try: |
249ca10d37f4
Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents:
1493
diff
changeset
|
1278 f = self.opener(self.datafile) |
249ca10d37f4
Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents:
1493
diff
changeset
|
1279 f.seek(0, 2) |
249ca10d37f4
Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents:
1493
diff
changeset
|
1280 actual = f.tell() |
1667
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1281 dd = actual - expected |
1494
249ca10d37f4
Handle empty logs in repo.checksize
Matt Mackall <mpm@selenic.com>
parents:
1493
diff
changeset
|
1282 except IOError, inst: |
1667
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1283 if inst.errno != errno.ENOENT: |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1284 raise |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1285 dd = 0 |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1286 |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1287 try: |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1288 f = self.opener(self.indexfile) |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1289 f.seek(0, 2) |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1290 actual = f.tell() |
4977
6cb30bc4ca32
revlog: parse revlogv0 indexes into v1 internally
Matt Mackall <mpm@selenic.com>
parents:
4976
diff
changeset
|
1291 s = self._io.size |
5322
fb070713ff36
revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents:
5008
diff
changeset
|
1292 i = max(0, actual / s) |
1667
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1293 di = actual - (i * s) |
4982
9672e3c42b0c
revlog: change _inline from a function to a variable
Matt Mackall <mpm@selenic.com>
parents:
4981
diff
changeset
|
1294 if self._inline: |
2073 | 1295 databytes = 0 |
1296 for r in xrange(self.count()): | |
5322
fb070713ff36
revlog: more robust for damaged indexes
Matt Mackall <mpm@selenic.com>
parents:
5008
diff
changeset
|
1297 databytes += max(0, self.length(r)) |
2073 | 1298 dd = 0 |
1299 di = actual - self.count() * s - databytes | |
1667
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1300 except IOError, inst: |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1301 if inst.errno != errno.ENOENT: |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1302 raise |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1303 di = 0 |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1304 |
daff3ef0de8d
verify: notice extra data in indices
Matt Mackall <mpm@selenic.com>
parents:
1660
diff
changeset
|
1305 return (dd, di) |