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@@ -1,1046 +1,1048 | |||||
1 | # changegroup.py - Mercurial changegroup manipulation functions |
|
1 | # changegroup.py - Mercurial changegroup manipulation functions | |
2 | # |
|
2 | # | |
3 | # Copyright 2006 Matt Mackall <mpm@selenic.com> |
|
3 | # Copyright 2006 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import os |
|
10 | import os | |
11 | import struct |
|
11 | import struct | |
12 | import tempfile |
|
12 | import tempfile | |
13 | import weakref |
|
13 | import weakref | |
14 |
|
14 | |||
15 | from .i18n import _ |
|
15 | from .i18n import _ | |
16 | from .node import ( |
|
16 | from .node import ( | |
17 | hex, |
|
17 | hex, | |
18 | nullrev, |
|
18 | nullrev, | |
19 | short, |
|
19 | short, | |
20 | ) |
|
20 | ) | |
21 |
|
21 | |||
22 | from . import ( |
|
22 | from . import ( | |
23 | branchmap, |
|
23 | branchmap, | |
24 | dagutil, |
|
24 | dagutil, | |
25 | discovery, |
|
25 | discovery, | |
26 | error, |
|
26 | error, | |
27 | mdiff, |
|
27 | mdiff, | |
28 | phases, |
|
28 | phases, | |
29 | util, |
|
29 | util, | |
30 | ) |
|
30 | ) | |
31 |
|
31 | |||
32 | _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s" |
|
32 | _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s" | |
33 | _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s" |
|
33 | _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s" | |
34 | _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH" |
|
34 | _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH" | |
35 |
|
35 | |||
36 | def readexactly(stream, n): |
|
36 | def readexactly(stream, n): | |
37 | '''read n bytes from stream.read and abort if less was available''' |
|
37 | '''read n bytes from stream.read and abort if less was available''' | |
38 | s = stream.read(n) |
|
38 | s = stream.read(n) | |
39 | if len(s) < n: |
|
39 | if len(s) < n: | |
40 | raise error.Abort(_("stream ended unexpectedly" |
|
40 | raise error.Abort(_("stream ended unexpectedly" | |
41 | " (got %d bytes, expected %d)") |
|
41 | " (got %d bytes, expected %d)") | |
42 | % (len(s), n)) |
|
42 | % (len(s), n)) | |
43 | return s |
|
43 | return s | |
44 |
|
44 | |||
45 | def getchunk(stream): |
|
45 | def getchunk(stream): | |
46 | """return the next chunk from stream as a string""" |
|
46 | """return the next chunk from stream as a string""" | |
47 | d = readexactly(stream, 4) |
|
47 | d = readexactly(stream, 4) | |
48 | l = struct.unpack(">l", d)[0] |
|
48 | l = struct.unpack(">l", d)[0] | |
49 | if l <= 4: |
|
49 | if l <= 4: | |
50 | if l: |
|
50 | if l: | |
51 | raise error.Abort(_("invalid chunk length %d") % l) |
|
51 | raise error.Abort(_("invalid chunk length %d") % l) | |
52 | return "" |
|
52 | return "" | |
53 | return readexactly(stream, l - 4) |
|
53 | return readexactly(stream, l - 4) | |
54 |
|
54 | |||
55 | def chunkheader(length): |
|
55 | def chunkheader(length): | |
56 | """return a changegroup chunk header (string)""" |
|
56 | """return a changegroup chunk header (string)""" | |
57 | return struct.pack(">l", length + 4) |
|
57 | return struct.pack(">l", length + 4) | |
58 |
|
58 | |||
59 | def closechunk(): |
|
59 | def closechunk(): | |
60 | """return a changegroup chunk header (string) for a zero-length chunk""" |
|
60 | """return a changegroup chunk header (string) for a zero-length chunk""" | |
61 | return struct.pack(">l", 0) |
|
61 | return struct.pack(">l", 0) | |
62 |
|
62 | |||
63 | def combineresults(results): |
|
63 | def combineresults(results): | |
64 | """logic to combine 0 or more addchangegroup results into one""" |
|
64 | """logic to combine 0 or more addchangegroup results into one""" | |
65 | changedheads = 0 |
|
65 | changedheads = 0 | |
66 | result = 1 |
|
66 | result = 1 | |
67 | for ret in results: |
|
67 | for ret in results: | |
68 | # If any changegroup result is 0, return 0 |
|
68 | # If any changegroup result is 0, return 0 | |
69 | if ret == 0: |
|
69 | if ret == 0: | |
70 | result = 0 |
|
70 | result = 0 | |
71 | break |
|
71 | break | |
72 | if ret < -1: |
|
72 | if ret < -1: | |
73 | changedheads += ret + 1 |
|
73 | changedheads += ret + 1 | |
74 | elif ret > 1: |
|
74 | elif ret > 1: | |
75 | changedheads += ret - 1 |
|
75 | changedheads += ret - 1 | |
76 | if changedheads > 0: |
|
76 | if changedheads > 0: | |
77 | result = 1 + changedheads |
|
77 | result = 1 + changedheads | |
78 | elif changedheads < 0: |
|
78 | elif changedheads < 0: | |
79 | result = -1 + changedheads |
|
79 | result = -1 + changedheads | |
80 | return result |
|
80 | return result | |
81 |
|
81 | |||
82 | def writechunks(ui, chunks, filename, vfs=None): |
|
82 | def writechunks(ui, chunks, filename, vfs=None): | |
83 | """Write chunks to a file and return its filename. |
|
83 | """Write chunks to a file and return its filename. | |
84 |
|
84 | |||
85 | The stream is assumed to be a bundle file. |
|
85 | The stream is assumed to be a bundle file. | |
86 | Existing files will not be overwritten. |
|
86 | Existing files will not be overwritten. | |
87 | If no filename is specified, a temporary file is created. |
|
87 | If no filename is specified, a temporary file is created. | |
88 | """ |
|
88 | """ | |
89 | fh = None |
|
89 | fh = None | |
90 | cleanup = None |
|
90 | cleanup = None | |
91 | try: |
|
91 | try: | |
92 | if filename: |
|
92 | if filename: | |
93 | if vfs: |
|
93 | if vfs: | |
94 | fh = vfs.open(filename, "wb") |
|
94 | fh = vfs.open(filename, "wb") | |
95 | else: |
|
95 | else: | |
96 | # Increase default buffer size because default is usually |
|
96 | # Increase default buffer size because default is usually | |
97 | # small (4k is common on Linux). |
|
97 | # small (4k is common on Linux). | |
98 | fh = open(filename, "wb", 131072) |
|
98 | fh = open(filename, "wb", 131072) | |
99 | else: |
|
99 | else: | |
100 | fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") |
|
100 | fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg") | |
101 | fh = os.fdopen(fd, "wb") |
|
101 | fh = os.fdopen(fd, "wb") | |
102 | cleanup = filename |
|
102 | cleanup = filename | |
103 | for c in chunks: |
|
103 | for c in chunks: | |
104 | fh.write(c) |
|
104 | fh.write(c) | |
105 | cleanup = None |
|
105 | cleanup = None | |
106 | return filename |
|
106 | return filename | |
107 | finally: |
|
107 | finally: | |
108 | if fh is not None: |
|
108 | if fh is not None: | |
109 | fh.close() |
|
109 | fh.close() | |
110 | if cleanup is not None: |
|
110 | if cleanup is not None: | |
111 | if filename and vfs: |
|
111 | if filename and vfs: | |
112 | vfs.unlink(cleanup) |
|
112 | vfs.unlink(cleanup) | |
113 | else: |
|
113 | else: | |
114 | os.unlink(cleanup) |
|
114 | os.unlink(cleanup) | |
115 |
|
115 | |||
116 | class cg1unpacker(object): |
|
116 | class cg1unpacker(object): | |
117 | """Unpacker for cg1 changegroup streams. |
|
117 | """Unpacker for cg1 changegroup streams. | |
118 |
|
118 | |||
119 | A changegroup unpacker handles the framing of the revision data in |
|
119 | A changegroup unpacker handles the framing of the revision data in | |
120 | the wire format. Most consumers will want to use the apply() |
|
120 | the wire format. Most consumers will want to use the apply() | |
121 | method to add the changes from the changegroup to a repository. |
|
121 | method to add the changes from the changegroup to a repository. | |
122 |
|
122 | |||
123 | If you're forwarding a changegroup unmodified to another consumer, |
|
123 | If you're forwarding a changegroup unmodified to another consumer, | |
124 | use getchunks(), which returns an iterator of changegroup |
|
124 | use getchunks(), which returns an iterator of changegroup | |
125 | chunks. This is mostly useful for cases where you need to know the |
|
125 | chunks. This is mostly useful for cases where you need to know the | |
126 | data stream has ended by observing the end of the changegroup. |
|
126 | data stream has ended by observing the end of the changegroup. | |
127 |
|
127 | |||
128 | deltachunk() is useful only if you're applying delta data. Most |
|
128 | deltachunk() is useful only if you're applying delta data. Most | |
129 | consumers should prefer apply() instead. |
|
129 | consumers should prefer apply() instead. | |
130 |
|
130 | |||
131 | A few other public methods exist. Those are used only for |
|
131 | A few other public methods exist. Those are used only for | |
132 | bundlerepo and some debug commands - their use is discouraged. |
|
132 | bundlerepo and some debug commands - their use is discouraged. | |
133 | """ |
|
133 | """ | |
134 | deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
|
134 | deltaheader = _CHANGEGROUPV1_DELTA_HEADER | |
135 | deltaheadersize = struct.calcsize(deltaheader) |
|
135 | deltaheadersize = struct.calcsize(deltaheader) | |
136 | version = '01' |
|
136 | version = '01' | |
137 | _grouplistcount = 1 # One list of files after the manifests |
|
137 | _grouplistcount = 1 # One list of files after the manifests | |
138 |
|
138 | |||
139 | def __init__(self, fh, alg, extras=None): |
|
139 | def __init__(self, fh, alg, extras=None): | |
140 |
if alg |
|
140 | if alg is None: | |
141 | alg = None # get more modern without breaking too much |
|
141 | alg = 'UN' | |
142 |
if not |
|
142 | if alg not in util.compengines.supportedbundletypes: | |
143 | raise error.Abort(_('unknown stream compression type: %s') |
|
143 | raise error.Abort(_('unknown stream compression type: %s') | |
144 | % alg) |
|
144 | % alg) | |
145 | if alg == 'BZ': |
|
145 | if alg == 'BZ': | |
146 | alg = '_truncatedBZ' |
|
146 | alg = '_truncatedBZ' | |
147 | self._stream = util.decompressors[alg](fh) |
|
147 | ||
|
148 | compengine = util.compengines.forbundletype(alg) | |||
|
149 | self._stream = compengine.decompressorreader(fh) | |||
148 | self._type = alg |
|
150 | self._type = alg | |
149 | self.extras = extras or {} |
|
151 | self.extras = extras or {} | |
150 | self.callback = None |
|
152 | self.callback = None | |
151 |
|
153 | |||
152 | # These methods (compressed, read, seek, tell) all appear to only |
|
154 | # These methods (compressed, read, seek, tell) all appear to only | |
153 | # be used by bundlerepo, but it's a little hard to tell. |
|
155 | # be used by bundlerepo, but it's a little hard to tell. | |
154 | def compressed(self): |
|
156 | def compressed(self): | |
155 | return self._type is not None |
|
157 | return self._type is not None | |
156 | def read(self, l): |
|
158 | def read(self, l): | |
157 | return self._stream.read(l) |
|
159 | return self._stream.read(l) | |
158 | def seek(self, pos): |
|
160 | def seek(self, pos): | |
159 | return self._stream.seek(pos) |
|
161 | return self._stream.seek(pos) | |
160 | def tell(self): |
|
162 | def tell(self): | |
161 | return self._stream.tell() |
|
163 | return self._stream.tell() | |
162 | def close(self): |
|
164 | def close(self): | |
163 | return self._stream.close() |
|
165 | return self._stream.close() | |
164 |
|
166 | |||
165 | def _chunklength(self): |
|
167 | def _chunklength(self): | |
166 | d = readexactly(self._stream, 4) |
|
168 | d = readexactly(self._stream, 4) | |
167 | l = struct.unpack(">l", d)[0] |
|
169 | l = struct.unpack(">l", d)[0] | |
168 | if l <= 4: |
|
170 | if l <= 4: | |
169 | if l: |
|
171 | if l: | |
170 | raise error.Abort(_("invalid chunk length %d") % l) |
|
172 | raise error.Abort(_("invalid chunk length %d") % l) | |
171 | return 0 |
|
173 | return 0 | |
172 | if self.callback: |
|
174 | if self.callback: | |
173 | self.callback() |
|
175 | self.callback() | |
174 | return l - 4 |
|
176 | return l - 4 | |
175 |
|
177 | |||
176 | def changelogheader(self): |
|
178 | def changelogheader(self): | |
177 | """v10 does not have a changelog header chunk""" |
|
179 | """v10 does not have a changelog header chunk""" | |
178 | return {} |
|
180 | return {} | |
179 |
|
181 | |||
180 | def manifestheader(self): |
|
182 | def manifestheader(self): | |
181 | """v10 does not have a manifest header chunk""" |
|
183 | """v10 does not have a manifest header chunk""" | |
182 | return {} |
|
184 | return {} | |
183 |
|
185 | |||
184 | def filelogheader(self): |
|
186 | def filelogheader(self): | |
185 | """return the header of the filelogs chunk, v10 only has the filename""" |
|
187 | """return the header of the filelogs chunk, v10 only has the filename""" | |
186 | l = self._chunklength() |
|
188 | l = self._chunklength() | |
187 | if not l: |
|
189 | if not l: | |
188 | return {} |
|
190 | return {} | |
189 | fname = readexactly(self._stream, l) |
|
191 | fname = readexactly(self._stream, l) | |
190 | return {'filename': fname} |
|
192 | return {'filename': fname} | |
191 |
|
193 | |||
192 | def _deltaheader(self, headertuple, prevnode): |
|
194 | def _deltaheader(self, headertuple, prevnode): | |
193 | node, p1, p2, cs = headertuple |
|
195 | node, p1, p2, cs = headertuple | |
194 | if prevnode is None: |
|
196 | if prevnode is None: | |
195 | deltabase = p1 |
|
197 | deltabase = p1 | |
196 | else: |
|
198 | else: | |
197 | deltabase = prevnode |
|
199 | deltabase = prevnode | |
198 | flags = 0 |
|
200 | flags = 0 | |
199 | return node, p1, p2, deltabase, cs, flags |
|
201 | return node, p1, p2, deltabase, cs, flags | |
200 |
|
202 | |||
201 | def deltachunk(self, prevnode): |
|
203 | def deltachunk(self, prevnode): | |
202 | l = self._chunklength() |
|
204 | l = self._chunklength() | |
203 | if not l: |
|
205 | if not l: | |
204 | return {} |
|
206 | return {} | |
205 | headerdata = readexactly(self._stream, self.deltaheadersize) |
|
207 | headerdata = readexactly(self._stream, self.deltaheadersize) | |
206 | header = struct.unpack(self.deltaheader, headerdata) |
|
208 | header = struct.unpack(self.deltaheader, headerdata) | |
207 | delta = readexactly(self._stream, l - self.deltaheadersize) |
|
209 | delta = readexactly(self._stream, l - self.deltaheadersize) | |
208 | node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) |
|
210 | node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode) | |
209 | return {'node': node, 'p1': p1, 'p2': p2, 'cs': cs, |
|
211 | return {'node': node, 'p1': p1, 'p2': p2, 'cs': cs, | |
210 | 'deltabase': deltabase, 'delta': delta, 'flags': flags} |
|
212 | 'deltabase': deltabase, 'delta': delta, 'flags': flags} | |
211 |
|
213 | |||
212 | def getchunks(self): |
|
214 | def getchunks(self): | |
213 | """returns all the chunks contains in the bundle |
|
215 | """returns all the chunks contains in the bundle | |
214 |
|
216 | |||
215 | Used when you need to forward the binary stream to a file or another |
|
217 | Used when you need to forward the binary stream to a file or another | |
216 | network API. To do so, it parse the changegroup data, otherwise it will |
|
218 | network API. To do so, it parse the changegroup data, otherwise it will | |
217 | block in case of sshrepo because it don't know the end of the stream. |
|
219 | block in case of sshrepo because it don't know the end of the stream. | |
218 | """ |
|
220 | """ | |
219 | # an empty chunkgroup is the end of the changegroup |
|
221 | # an empty chunkgroup is the end of the changegroup | |
220 | # a changegroup has at least 2 chunkgroups (changelog and manifest). |
|
222 | # a changegroup has at least 2 chunkgroups (changelog and manifest). | |
221 | # after that, changegroup versions 1 and 2 have a series of groups |
|
223 | # after that, changegroup versions 1 and 2 have a series of groups | |
222 | # with one group per file. changegroup 3 has a series of directory |
|
224 | # with one group per file. changegroup 3 has a series of directory | |
223 | # manifests before the files. |
|
225 | # manifests before the files. | |
224 | count = 0 |
|
226 | count = 0 | |
225 | emptycount = 0 |
|
227 | emptycount = 0 | |
226 | while emptycount < self._grouplistcount: |
|
228 | while emptycount < self._grouplistcount: | |
227 | empty = True |
|
229 | empty = True | |
228 | count += 1 |
|
230 | count += 1 | |
229 | while True: |
|
231 | while True: | |
230 | chunk = getchunk(self) |
|
232 | chunk = getchunk(self) | |
231 | if not chunk: |
|
233 | if not chunk: | |
232 | if empty and count > 2: |
|
234 | if empty and count > 2: | |
233 | emptycount += 1 |
|
235 | emptycount += 1 | |
234 | break |
|
236 | break | |
235 | empty = False |
|
237 | empty = False | |
236 | yield chunkheader(len(chunk)) |
|
238 | yield chunkheader(len(chunk)) | |
237 | pos = 0 |
|
239 | pos = 0 | |
238 | while pos < len(chunk): |
|
240 | while pos < len(chunk): | |
239 | next = pos + 2**20 |
|
241 | next = pos + 2**20 | |
240 | yield chunk[pos:next] |
|
242 | yield chunk[pos:next] | |
241 | pos = next |
|
243 | pos = next | |
242 | yield closechunk() |
|
244 | yield closechunk() | |
243 |
|
245 | |||
244 | def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
|
246 | def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): | |
245 | # We know that we'll never have more manifests than we had |
|
247 | # We know that we'll never have more manifests than we had | |
246 | # changesets. |
|
248 | # changesets. | |
247 | self.callback = prog(_('manifests'), numchanges) |
|
249 | self.callback = prog(_('manifests'), numchanges) | |
248 | # no need to check for empty manifest group here: |
|
250 | # no need to check for empty manifest group here: | |
249 | # if the result of the merge of 1 and 2 is the same in 3 and 4, |
|
251 | # if the result of the merge of 1 and 2 is the same in 3 and 4, | |
250 | # no new manifest will be created and the manifest group will |
|
252 | # no new manifest will be created and the manifest group will | |
251 | # be empty during the pull |
|
253 | # be empty during the pull | |
252 | self.manifestheader() |
|
254 | self.manifestheader() | |
253 | repo.manifestlog._revlog.addgroup(self, revmap, trp) |
|
255 | repo.manifestlog._revlog.addgroup(self, revmap, trp) | |
254 | repo.ui.progress(_('manifests'), None) |
|
256 | repo.ui.progress(_('manifests'), None) | |
255 | self.callback = None |
|
257 | self.callback = None | |
256 |
|
258 | |||
257 | def apply(self, repo, srctype, url, emptyok=False, |
|
259 | def apply(self, repo, srctype, url, emptyok=False, | |
258 | targetphase=phases.draft, expectedtotal=None): |
|
260 | targetphase=phases.draft, expectedtotal=None): | |
259 | """Add the changegroup returned by source.read() to this repo. |
|
261 | """Add the changegroup returned by source.read() to this repo. | |
260 | srctype is a string like 'push', 'pull', or 'unbundle'. url is |
|
262 | srctype is a string like 'push', 'pull', or 'unbundle'. url is | |
261 | the URL of the repo where this changegroup is coming from. |
|
263 | the URL of the repo where this changegroup is coming from. | |
262 |
|
264 | |||
263 | Return an integer summarizing the change to this repo: |
|
265 | Return an integer summarizing the change to this repo: | |
264 | - nothing changed or no source: 0 |
|
266 | - nothing changed or no source: 0 | |
265 | - more heads than before: 1+added heads (2..n) |
|
267 | - more heads than before: 1+added heads (2..n) | |
266 | - fewer heads than before: -1-removed heads (-2..-n) |
|
268 | - fewer heads than before: -1-removed heads (-2..-n) | |
267 | - number of heads stays the same: 1 |
|
269 | - number of heads stays the same: 1 | |
268 | """ |
|
270 | """ | |
269 | repo = repo.unfiltered() |
|
271 | repo = repo.unfiltered() | |
270 | def csmap(x): |
|
272 | def csmap(x): | |
271 | repo.ui.debug("add changeset %s\n" % short(x)) |
|
273 | repo.ui.debug("add changeset %s\n" % short(x)) | |
272 | return len(cl) |
|
274 | return len(cl) | |
273 |
|
275 | |||
274 | def revmap(x): |
|
276 | def revmap(x): | |
275 | return cl.rev(x) |
|
277 | return cl.rev(x) | |
276 |
|
278 | |||
277 | changesets = files = revisions = 0 |
|
279 | changesets = files = revisions = 0 | |
278 |
|
280 | |||
279 | try: |
|
281 | try: | |
280 | with repo.transaction("\n".join([srctype, |
|
282 | with repo.transaction("\n".join([srctype, | |
281 | util.hidepassword(url)])) as tr: |
|
283 | util.hidepassword(url)])) as tr: | |
282 | # The transaction could have been created before and already |
|
284 | # The transaction could have been created before and already | |
283 | # carries source information. In this case we use the top |
|
285 | # carries source information. In this case we use the top | |
284 | # level data. We overwrite the argument because we need to use |
|
286 | # level data. We overwrite the argument because we need to use | |
285 | # the top level value (if they exist) in this function. |
|
287 | # the top level value (if they exist) in this function. | |
286 | srctype = tr.hookargs.setdefault('source', srctype) |
|
288 | srctype = tr.hookargs.setdefault('source', srctype) | |
287 | url = tr.hookargs.setdefault('url', url) |
|
289 | url = tr.hookargs.setdefault('url', url) | |
288 | repo.hook('prechangegroup', throw=True, **tr.hookargs) |
|
290 | repo.hook('prechangegroup', throw=True, **tr.hookargs) | |
289 |
|
291 | |||
290 | # write changelog data to temp files so concurrent readers |
|
292 | # write changelog data to temp files so concurrent readers | |
291 | # will not see an inconsistent view |
|
293 | # will not see an inconsistent view | |
292 | cl = repo.changelog |
|
294 | cl = repo.changelog | |
293 | cl.delayupdate(tr) |
|
295 | cl.delayupdate(tr) | |
294 | oldheads = cl.heads() |
|
296 | oldheads = cl.heads() | |
295 |
|
297 | |||
296 | trp = weakref.proxy(tr) |
|
298 | trp = weakref.proxy(tr) | |
297 | # pull off the changeset group |
|
299 | # pull off the changeset group | |
298 | repo.ui.status(_("adding changesets\n")) |
|
300 | repo.ui.status(_("adding changesets\n")) | |
299 | clstart = len(cl) |
|
301 | clstart = len(cl) | |
300 | class prog(object): |
|
302 | class prog(object): | |
301 | def __init__(self, step, total): |
|
303 | def __init__(self, step, total): | |
302 | self._step = step |
|
304 | self._step = step | |
303 | self._total = total |
|
305 | self._total = total | |
304 | self._count = 1 |
|
306 | self._count = 1 | |
305 | def __call__(self): |
|
307 | def __call__(self): | |
306 | repo.ui.progress(self._step, self._count, |
|
308 | repo.ui.progress(self._step, self._count, | |
307 | unit=_('chunks'), total=self._total) |
|
309 | unit=_('chunks'), total=self._total) | |
308 | self._count += 1 |
|
310 | self._count += 1 | |
309 | self.callback = prog(_('changesets'), expectedtotal) |
|
311 | self.callback = prog(_('changesets'), expectedtotal) | |
310 |
|
312 | |||
311 | efiles = set() |
|
313 | efiles = set() | |
312 | def onchangelog(cl, node): |
|
314 | def onchangelog(cl, node): | |
313 | efiles.update(cl.readfiles(node)) |
|
315 | efiles.update(cl.readfiles(node)) | |
314 |
|
316 | |||
315 | self.changelogheader() |
|
317 | self.changelogheader() | |
316 | srccontent = cl.addgroup(self, csmap, trp, |
|
318 | srccontent = cl.addgroup(self, csmap, trp, | |
317 | addrevisioncb=onchangelog) |
|
319 | addrevisioncb=onchangelog) | |
318 | efiles = len(efiles) |
|
320 | efiles = len(efiles) | |
319 |
|
321 | |||
320 | if not (srccontent or emptyok): |
|
322 | if not (srccontent or emptyok): | |
321 | raise error.Abort(_("received changelog group is empty")) |
|
323 | raise error.Abort(_("received changelog group is empty")) | |
322 | clend = len(cl) |
|
324 | clend = len(cl) | |
323 | changesets = clend - clstart |
|
325 | changesets = clend - clstart | |
324 | repo.ui.progress(_('changesets'), None) |
|
326 | repo.ui.progress(_('changesets'), None) | |
325 | self.callback = None |
|
327 | self.callback = None | |
326 |
|
328 | |||
327 | # pull off the manifest group |
|
329 | # pull off the manifest group | |
328 | repo.ui.status(_("adding manifests\n")) |
|
330 | repo.ui.status(_("adding manifests\n")) | |
329 | self._unpackmanifests(repo, revmap, trp, prog, changesets) |
|
331 | self._unpackmanifests(repo, revmap, trp, prog, changesets) | |
330 |
|
332 | |||
331 | needfiles = {} |
|
333 | needfiles = {} | |
332 | if repo.ui.configbool('server', 'validate', default=False): |
|
334 | if repo.ui.configbool('server', 'validate', default=False): | |
333 | cl = repo.changelog |
|
335 | cl = repo.changelog | |
334 | ml = repo.manifestlog |
|
336 | ml = repo.manifestlog | |
335 | # validate incoming csets have their manifests |
|
337 | # validate incoming csets have their manifests | |
336 | for cset in xrange(clstart, clend): |
|
338 | for cset in xrange(clstart, clend): | |
337 | mfnode = cl.changelogrevision(cset).manifest |
|
339 | mfnode = cl.changelogrevision(cset).manifest | |
338 | mfest = ml[mfnode].readdelta() |
|
340 | mfest = ml[mfnode].readdelta() | |
339 | # store file nodes we must see |
|
341 | # store file nodes we must see | |
340 | for f, n in mfest.iteritems(): |
|
342 | for f, n in mfest.iteritems(): | |
341 | needfiles.setdefault(f, set()).add(n) |
|
343 | needfiles.setdefault(f, set()).add(n) | |
342 |
|
344 | |||
343 | # process the files |
|
345 | # process the files | |
344 | repo.ui.status(_("adding file changes\n")) |
|
346 | repo.ui.status(_("adding file changes\n")) | |
345 | newrevs, newfiles = _addchangegroupfiles( |
|
347 | newrevs, newfiles = _addchangegroupfiles( | |
346 | repo, self, revmap, trp, efiles, needfiles) |
|
348 | repo, self, revmap, trp, efiles, needfiles) | |
347 | revisions += newrevs |
|
349 | revisions += newrevs | |
348 | files += newfiles |
|
350 | files += newfiles | |
349 |
|
351 | |||
350 | dh = 0 |
|
352 | dh = 0 | |
351 | if oldheads: |
|
353 | if oldheads: | |
352 | heads = cl.heads() |
|
354 | heads = cl.heads() | |
353 | dh = len(heads) - len(oldheads) |
|
355 | dh = len(heads) - len(oldheads) | |
354 | for h in heads: |
|
356 | for h in heads: | |
355 | if h not in oldheads and repo[h].closesbranch(): |
|
357 | if h not in oldheads and repo[h].closesbranch(): | |
356 | dh -= 1 |
|
358 | dh -= 1 | |
357 | htext = "" |
|
359 | htext = "" | |
358 | if dh: |
|
360 | if dh: | |
359 | htext = _(" (%+d heads)") % dh |
|
361 | htext = _(" (%+d heads)") % dh | |
360 |
|
362 | |||
361 | repo.ui.status(_("added %d changesets" |
|
363 | repo.ui.status(_("added %d changesets" | |
362 | " with %d changes to %d files%s\n") |
|
364 | " with %d changes to %d files%s\n") | |
363 | % (changesets, revisions, files, htext)) |
|
365 | % (changesets, revisions, files, htext)) | |
364 | repo.invalidatevolatilesets() |
|
366 | repo.invalidatevolatilesets() | |
365 |
|
367 | |||
366 | if changesets > 0: |
|
368 | if changesets > 0: | |
367 | if 'node' not in tr.hookargs: |
|
369 | if 'node' not in tr.hookargs: | |
368 | tr.hookargs['node'] = hex(cl.node(clstart)) |
|
370 | tr.hookargs['node'] = hex(cl.node(clstart)) | |
369 | tr.hookargs['node_last'] = hex(cl.node(clend - 1)) |
|
371 | tr.hookargs['node_last'] = hex(cl.node(clend - 1)) | |
370 | hookargs = dict(tr.hookargs) |
|
372 | hookargs = dict(tr.hookargs) | |
371 | else: |
|
373 | else: | |
372 | hookargs = dict(tr.hookargs) |
|
374 | hookargs = dict(tr.hookargs) | |
373 | hookargs['node'] = hex(cl.node(clstart)) |
|
375 | hookargs['node'] = hex(cl.node(clstart)) | |
374 | hookargs['node_last'] = hex(cl.node(clend - 1)) |
|
376 | hookargs['node_last'] = hex(cl.node(clend - 1)) | |
375 | repo.hook('pretxnchangegroup', throw=True, **hookargs) |
|
377 | repo.hook('pretxnchangegroup', throw=True, **hookargs) | |
376 |
|
378 | |||
377 | added = [cl.node(r) for r in xrange(clstart, clend)] |
|
379 | added = [cl.node(r) for r in xrange(clstart, clend)] | |
378 | publishing = repo.publishing() |
|
380 | publishing = repo.publishing() | |
379 | if srctype in ('push', 'serve'): |
|
381 | if srctype in ('push', 'serve'): | |
380 | # Old servers can not push the boundary themselves. |
|
382 | # Old servers can not push the boundary themselves. | |
381 | # New servers won't push the boundary if changeset already |
|
383 | # New servers won't push the boundary if changeset already | |
382 | # exists locally as secret |
|
384 | # exists locally as secret | |
383 | # |
|
385 | # | |
384 | # We should not use added here but the list of all change in |
|
386 | # We should not use added here but the list of all change in | |
385 | # the bundle |
|
387 | # the bundle | |
386 | if publishing: |
|
388 | if publishing: | |
387 | phases.advanceboundary(repo, tr, phases.public, |
|
389 | phases.advanceboundary(repo, tr, phases.public, | |
388 | srccontent) |
|
390 | srccontent) | |
389 | else: |
|
391 | else: | |
390 | # Those changesets have been pushed from the |
|
392 | # Those changesets have been pushed from the | |
391 | # outside, their phases are going to be pushed |
|
393 | # outside, their phases are going to be pushed | |
392 | # alongside. Therefor `targetphase` is |
|
394 | # alongside. Therefor `targetphase` is | |
393 | # ignored. |
|
395 | # ignored. | |
394 | phases.advanceboundary(repo, tr, phases.draft, |
|
396 | phases.advanceboundary(repo, tr, phases.draft, | |
395 | srccontent) |
|
397 | srccontent) | |
396 | phases.retractboundary(repo, tr, phases.draft, added) |
|
398 | phases.retractboundary(repo, tr, phases.draft, added) | |
397 | elif srctype != 'strip': |
|
399 | elif srctype != 'strip': | |
398 | # publishing only alter behavior during push |
|
400 | # publishing only alter behavior during push | |
399 | # |
|
401 | # | |
400 | # strip should not touch boundary at all |
|
402 | # strip should not touch boundary at all | |
401 | phases.retractboundary(repo, tr, targetphase, added) |
|
403 | phases.retractboundary(repo, tr, targetphase, added) | |
402 |
|
404 | |||
403 | if changesets > 0: |
|
405 | if changesets > 0: | |
404 | if srctype != 'strip': |
|
406 | if srctype != 'strip': | |
405 | # During strip, branchcache is invalid but |
|
407 | # During strip, branchcache is invalid but | |
406 | # coming call to `destroyed` will repair it. |
|
408 | # coming call to `destroyed` will repair it. | |
407 | # In other case we can safely update cache on |
|
409 | # In other case we can safely update cache on | |
408 | # disk. |
|
410 | # disk. | |
409 | repo.ui.debug('updating the branch cache\n') |
|
411 | repo.ui.debug('updating the branch cache\n') | |
410 | branchmap.updatecache(repo.filtered('served')) |
|
412 | branchmap.updatecache(repo.filtered('served')) | |
411 |
|
413 | |||
412 | def runhooks(): |
|
414 | def runhooks(): | |
413 | # These hooks run when the lock releases, not when the |
|
415 | # These hooks run when the lock releases, not when the | |
414 | # transaction closes. So it's possible for the changelog |
|
416 | # transaction closes. So it's possible for the changelog | |
415 | # to have changed since we last saw it. |
|
417 | # to have changed since we last saw it. | |
416 | if clstart >= len(repo): |
|
418 | if clstart >= len(repo): | |
417 | return |
|
419 | return | |
418 |
|
420 | |||
419 | repo.hook("changegroup", **hookargs) |
|
421 | repo.hook("changegroup", **hookargs) | |
420 |
|
422 | |||
421 | for n in added: |
|
423 | for n in added: | |
422 | args = hookargs.copy() |
|
424 | args = hookargs.copy() | |
423 | args['node'] = hex(n) |
|
425 | args['node'] = hex(n) | |
424 | del args['node_last'] |
|
426 | del args['node_last'] | |
425 | repo.hook("incoming", **args) |
|
427 | repo.hook("incoming", **args) | |
426 |
|
428 | |||
427 | newheads = [h for h in repo.heads() |
|
429 | newheads = [h for h in repo.heads() | |
428 | if h not in oldheads] |
|
430 | if h not in oldheads] | |
429 | repo.ui.log("incoming", |
|
431 | repo.ui.log("incoming", | |
430 | "%s incoming changes - new heads: %s\n", |
|
432 | "%s incoming changes - new heads: %s\n", | |
431 | len(added), |
|
433 | len(added), | |
432 | ', '.join([hex(c[:6]) for c in newheads])) |
|
434 | ', '.join([hex(c[:6]) for c in newheads])) | |
433 |
|
435 | |||
434 | tr.addpostclose('changegroup-runhooks-%020i' % clstart, |
|
436 | tr.addpostclose('changegroup-runhooks-%020i' % clstart, | |
435 | lambda tr: repo._afterlock(runhooks)) |
|
437 | lambda tr: repo._afterlock(runhooks)) | |
436 | finally: |
|
438 | finally: | |
437 | repo.ui.flush() |
|
439 | repo.ui.flush() | |
438 | # never return 0 here: |
|
440 | # never return 0 here: | |
439 | if dh < 0: |
|
441 | if dh < 0: | |
440 | return dh - 1 |
|
442 | return dh - 1 | |
441 | else: |
|
443 | else: | |
442 | return dh + 1 |
|
444 | return dh + 1 | |
443 |
|
445 | |||
444 | class cg2unpacker(cg1unpacker): |
|
446 | class cg2unpacker(cg1unpacker): | |
445 | """Unpacker for cg2 streams. |
|
447 | """Unpacker for cg2 streams. | |
446 |
|
448 | |||
447 | cg2 streams add support for generaldelta, so the delta header |
|
449 | cg2 streams add support for generaldelta, so the delta header | |
448 | format is slightly different. All other features about the data |
|
450 | format is slightly different. All other features about the data | |
449 | remain the same. |
|
451 | remain the same. | |
450 | """ |
|
452 | """ | |
451 | deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
|
453 | deltaheader = _CHANGEGROUPV2_DELTA_HEADER | |
452 | deltaheadersize = struct.calcsize(deltaheader) |
|
454 | deltaheadersize = struct.calcsize(deltaheader) | |
453 | version = '02' |
|
455 | version = '02' | |
454 |
|
456 | |||
455 | def _deltaheader(self, headertuple, prevnode): |
|
457 | def _deltaheader(self, headertuple, prevnode): | |
456 | node, p1, p2, deltabase, cs = headertuple |
|
458 | node, p1, p2, deltabase, cs = headertuple | |
457 | flags = 0 |
|
459 | flags = 0 | |
458 | return node, p1, p2, deltabase, cs, flags |
|
460 | return node, p1, p2, deltabase, cs, flags | |
459 |
|
461 | |||
460 | class cg3unpacker(cg2unpacker): |
|
462 | class cg3unpacker(cg2unpacker): | |
461 | """Unpacker for cg3 streams. |
|
463 | """Unpacker for cg3 streams. | |
462 |
|
464 | |||
463 | cg3 streams add support for exchanging treemanifests and revlog |
|
465 | cg3 streams add support for exchanging treemanifests and revlog | |
464 | flags. It adds the revlog flags to the delta header and an empty chunk |
|
466 | flags. It adds the revlog flags to the delta header and an empty chunk | |
465 | separating manifests and files. |
|
467 | separating manifests and files. | |
466 | """ |
|
468 | """ | |
467 | deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
|
469 | deltaheader = _CHANGEGROUPV3_DELTA_HEADER | |
468 | deltaheadersize = struct.calcsize(deltaheader) |
|
470 | deltaheadersize = struct.calcsize(deltaheader) | |
469 | version = '03' |
|
471 | version = '03' | |
470 | _grouplistcount = 2 # One list of manifests and one list of files |
|
472 | _grouplistcount = 2 # One list of manifests and one list of files | |
471 |
|
473 | |||
472 | def _deltaheader(self, headertuple, prevnode): |
|
474 | def _deltaheader(self, headertuple, prevnode): | |
473 | node, p1, p2, deltabase, cs, flags = headertuple |
|
475 | node, p1, p2, deltabase, cs, flags = headertuple | |
474 | return node, p1, p2, deltabase, cs, flags |
|
476 | return node, p1, p2, deltabase, cs, flags | |
475 |
|
477 | |||
476 | def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): |
|
478 | def _unpackmanifests(self, repo, revmap, trp, prog, numchanges): | |
477 | super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog, |
|
479 | super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog, | |
478 | numchanges) |
|
480 | numchanges) | |
479 | for chunkdata in iter(self.filelogheader, {}): |
|
481 | for chunkdata in iter(self.filelogheader, {}): | |
480 | # If we get here, there are directory manifests in the changegroup |
|
482 | # If we get here, there are directory manifests in the changegroup | |
481 | d = chunkdata["filename"] |
|
483 | d = chunkdata["filename"] | |
482 | repo.ui.debug("adding %s revisions\n" % d) |
|
484 | repo.ui.debug("adding %s revisions\n" % d) | |
483 | dirlog = repo.manifestlog._revlog.dirlog(d) |
|
485 | dirlog = repo.manifestlog._revlog.dirlog(d) | |
484 | if not dirlog.addgroup(self, revmap, trp): |
|
486 | if not dirlog.addgroup(self, revmap, trp): | |
485 | raise error.Abort(_("received dir revlog group is empty")) |
|
487 | raise error.Abort(_("received dir revlog group is empty")) | |
486 |
|
488 | |||
487 | class headerlessfixup(object): |
|
489 | class headerlessfixup(object): | |
488 | def __init__(self, fh, h): |
|
490 | def __init__(self, fh, h): | |
489 | self._h = h |
|
491 | self._h = h | |
490 | self._fh = fh |
|
492 | self._fh = fh | |
491 | def read(self, n): |
|
493 | def read(self, n): | |
492 | if self._h: |
|
494 | if self._h: | |
493 | d, self._h = self._h[:n], self._h[n:] |
|
495 | d, self._h = self._h[:n], self._h[n:] | |
494 | if len(d) < n: |
|
496 | if len(d) < n: | |
495 | d += readexactly(self._fh, n - len(d)) |
|
497 | d += readexactly(self._fh, n - len(d)) | |
496 | return d |
|
498 | return d | |
497 | return readexactly(self._fh, n) |
|
499 | return readexactly(self._fh, n) | |
498 |
|
500 | |||
499 | class cg1packer(object): |
|
501 | class cg1packer(object): | |
500 | deltaheader = _CHANGEGROUPV1_DELTA_HEADER |
|
502 | deltaheader = _CHANGEGROUPV1_DELTA_HEADER | |
501 | version = '01' |
|
503 | version = '01' | |
502 | def __init__(self, repo, bundlecaps=None): |
|
504 | def __init__(self, repo, bundlecaps=None): | |
503 | """Given a source repo, construct a bundler. |
|
505 | """Given a source repo, construct a bundler. | |
504 |
|
506 | |||
505 | bundlecaps is optional and can be used to specify the set of |
|
507 | bundlecaps is optional and can be used to specify the set of | |
506 | capabilities which can be used to build the bundle. |
|
508 | capabilities which can be used to build the bundle. | |
507 | """ |
|
509 | """ | |
508 | # Set of capabilities we can use to build the bundle. |
|
510 | # Set of capabilities we can use to build the bundle. | |
509 | if bundlecaps is None: |
|
511 | if bundlecaps is None: | |
510 | bundlecaps = set() |
|
512 | bundlecaps = set() | |
511 | self._bundlecaps = bundlecaps |
|
513 | self._bundlecaps = bundlecaps | |
512 | # experimental config: bundle.reorder |
|
514 | # experimental config: bundle.reorder | |
513 | reorder = repo.ui.config('bundle', 'reorder', 'auto') |
|
515 | reorder = repo.ui.config('bundle', 'reorder', 'auto') | |
514 | if reorder == 'auto': |
|
516 | if reorder == 'auto': | |
515 | reorder = None |
|
517 | reorder = None | |
516 | else: |
|
518 | else: | |
517 | reorder = util.parsebool(reorder) |
|
519 | reorder = util.parsebool(reorder) | |
518 | self._repo = repo |
|
520 | self._repo = repo | |
519 | self._reorder = reorder |
|
521 | self._reorder = reorder | |
520 | self._progress = repo.ui.progress |
|
522 | self._progress = repo.ui.progress | |
521 | if self._repo.ui.verbose and not self._repo.ui.debugflag: |
|
523 | if self._repo.ui.verbose and not self._repo.ui.debugflag: | |
522 | self._verbosenote = self._repo.ui.note |
|
524 | self._verbosenote = self._repo.ui.note | |
523 | else: |
|
525 | else: | |
524 | self._verbosenote = lambda s: None |
|
526 | self._verbosenote = lambda s: None | |
525 |
|
527 | |||
526 | def close(self): |
|
528 | def close(self): | |
527 | return closechunk() |
|
529 | return closechunk() | |
528 |
|
530 | |||
529 | def fileheader(self, fname): |
|
531 | def fileheader(self, fname): | |
530 | return chunkheader(len(fname)) + fname |
|
532 | return chunkheader(len(fname)) + fname | |
531 |
|
533 | |||
532 | # Extracted both for clarity and for overriding in extensions. |
|
534 | # Extracted both for clarity and for overriding in extensions. | |
533 | def _sortgroup(self, revlog, nodelist, lookup): |
|
535 | def _sortgroup(self, revlog, nodelist, lookup): | |
534 | """Sort nodes for change group and turn them into revnums.""" |
|
536 | """Sort nodes for change group and turn them into revnums.""" | |
535 | # for generaldelta revlogs, we linearize the revs; this will both be |
|
537 | # for generaldelta revlogs, we linearize the revs; this will both be | |
536 | # much quicker and generate a much smaller bundle |
|
538 | # much quicker and generate a much smaller bundle | |
537 | if (revlog._generaldelta and self._reorder is None) or self._reorder: |
|
539 | if (revlog._generaldelta and self._reorder is None) or self._reorder: | |
538 | dag = dagutil.revlogdag(revlog) |
|
540 | dag = dagutil.revlogdag(revlog) | |
539 | return dag.linearize(set(revlog.rev(n) for n in nodelist)) |
|
541 | return dag.linearize(set(revlog.rev(n) for n in nodelist)) | |
540 | else: |
|
542 | else: | |
541 | return sorted([revlog.rev(n) for n in nodelist]) |
|
543 | return sorted([revlog.rev(n) for n in nodelist]) | |
542 |
|
544 | |||
543 | def group(self, nodelist, revlog, lookup, units=None): |
|
545 | def group(self, nodelist, revlog, lookup, units=None): | |
544 | """Calculate a delta group, yielding a sequence of changegroup chunks |
|
546 | """Calculate a delta group, yielding a sequence of changegroup chunks | |
545 | (strings). |
|
547 | (strings). | |
546 |
|
548 | |||
547 | Given a list of changeset revs, return a set of deltas and |
|
549 | Given a list of changeset revs, return a set of deltas and | |
548 | metadata corresponding to nodes. The first delta is |
|
550 | metadata corresponding to nodes. The first delta is | |
549 | first parent(nodelist[0]) -> nodelist[0], the receiver is |
|
551 | first parent(nodelist[0]) -> nodelist[0], the receiver is | |
550 | guaranteed to have this parent as it has all history before |
|
552 | guaranteed to have this parent as it has all history before | |
551 | these changesets. In the case firstparent is nullrev the |
|
553 | these changesets. In the case firstparent is nullrev the | |
552 | changegroup starts with a full revision. |
|
554 | changegroup starts with a full revision. | |
553 |
|
555 | |||
554 | If units is not None, progress detail will be generated, units specifies |
|
556 | If units is not None, progress detail will be generated, units specifies | |
555 | the type of revlog that is touched (changelog, manifest, etc.). |
|
557 | the type of revlog that is touched (changelog, manifest, etc.). | |
556 | """ |
|
558 | """ | |
557 | # if we don't have any revisions touched by these changesets, bail |
|
559 | # if we don't have any revisions touched by these changesets, bail | |
558 | if len(nodelist) == 0: |
|
560 | if len(nodelist) == 0: | |
559 | yield self.close() |
|
561 | yield self.close() | |
560 | return |
|
562 | return | |
561 |
|
563 | |||
562 | revs = self._sortgroup(revlog, nodelist, lookup) |
|
564 | revs = self._sortgroup(revlog, nodelist, lookup) | |
563 |
|
565 | |||
564 | # add the parent of the first rev |
|
566 | # add the parent of the first rev | |
565 | p = revlog.parentrevs(revs[0])[0] |
|
567 | p = revlog.parentrevs(revs[0])[0] | |
566 | revs.insert(0, p) |
|
568 | revs.insert(0, p) | |
567 |
|
569 | |||
568 | # build deltas |
|
570 | # build deltas | |
569 | total = len(revs) - 1 |
|
571 | total = len(revs) - 1 | |
570 | msgbundling = _('bundling') |
|
572 | msgbundling = _('bundling') | |
571 | for r in xrange(len(revs) - 1): |
|
573 | for r in xrange(len(revs) - 1): | |
572 | if units is not None: |
|
574 | if units is not None: | |
573 | self._progress(msgbundling, r + 1, unit=units, total=total) |
|
575 | self._progress(msgbundling, r + 1, unit=units, total=total) | |
574 | prev, curr = revs[r], revs[r + 1] |
|
576 | prev, curr = revs[r], revs[r + 1] | |
575 | linknode = lookup(revlog.node(curr)) |
|
577 | linknode = lookup(revlog.node(curr)) | |
576 | for c in self.revchunk(revlog, curr, prev, linknode): |
|
578 | for c in self.revchunk(revlog, curr, prev, linknode): | |
577 | yield c |
|
579 | yield c | |
578 |
|
580 | |||
579 | if units is not None: |
|
581 | if units is not None: | |
580 | self._progress(msgbundling, None) |
|
582 | self._progress(msgbundling, None) | |
581 | yield self.close() |
|
583 | yield self.close() | |
582 |
|
584 | |||
583 | # filter any nodes that claim to be part of the known set |
|
585 | # filter any nodes that claim to be part of the known set | |
584 | def prune(self, revlog, missing, commonrevs): |
|
586 | def prune(self, revlog, missing, commonrevs): | |
585 | rr, rl = revlog.rev, revlog.linkrev |
|
587 | rr, rl = revlog.rev, revlog.linkrev | |
586 | return [n for n in missing if rl(rr(n)) not in commonrevs] |
|
588 | return [n for n in missing if rl(rr(n)) not in commonrevs] | |
587 |
|
589 | |||
588 | def _packmanifests(self, dir, mfnodes, lookuplinknode): |
|
590 | def _packmanifests(self, dir, mfnodes, lookuplinknode): | |
589 | """Pack flat manifests into a changegroup stream.""" |
|
591 | """Pack flat manifests into a changegroup stream.""" | |
590 | assert not dir |
|
592 | assert not dir | |
591 | for chunk in self.group(mfnodes, self._repo.manifestlog._revlog, |
|
593 | for chunk in self.group(mfnodes, self._repo.manifestlog._revlog, | |
592 | lookuplinknode, units=_('manifests')): |
|
594 | lookuplinknode, units=_('manifests')): | |
593 | yield chunk |
|
595 | yield chunk | |
594 |
|
596 | |||
595 | def _manifestsdone(self): |
|
597 | def _manifestsdone(self): | |
596 | return '' |
|
598 | return '' | |
597 |
|
599 | |||
598 | def generate(self, commonrevs, clnodes, fastpathlinkrev, source): |
|
600 | def generate(self, commonrevs, clnodes, fastpathlinkrev, source): | |
599 | '''yield a sequence of changegroup chunks (strings)''' |
|
601 | '''yield a sequence of changegroup chunks (strings)''' | |
600 | repo = self._repo |
|
602 | repo = self._repo | |
601 | cl = repo.changelog |
|
603 | cl = repo.changelog | |
602 |
|
604 | |||
603 | clrevorder = {} |
|
605 | clrevorder = {} | |
604 | mfs = {} # needed manifests |
|
606 | mfs = {} # needed manifests | |
605 | fnodes = {} # needed file nodes |
|
607 | fnodes = {} # needed file nodes | |
606 | changedfiles = set() |
|
608 | changedfiles = set() | |
607 |
|
609 | |||
608 | # Callback for the changelog, used to collect changed files and manifest |
|
610 | # Callback for the changelog, used to collect changed files and manifest | |
609 | # nodes. |
|
611 | # nodes. | |
610 | # Returns the linkrev node (identity in the changelog case). |
|
612 | # Returns the linkrev node (identity in the changelog case). | |
611 | def lookupcl(x): |
|
613 | def lookupcl(x): | |
612 | c = cl.read(x) |
|
614 | c = cl.read(x) | |
613 | clrevorder[x] = len(clrevorder) |
|
615 | clrevorder[x] = len(clrevorder) | |
614 | n = c[0] |
|
616 | n = c[0] | |
615 | # record the first changeset introducing this manifest version |
|
617 | # record the first changeset introducing this manifest version | |
616 | mfs.setdefault(n, x) |
|
618 | mfs.setdefault(n, x) | |
617 | # Record a complete list of potentially-changed files in |
|
619 | # Record a complete list of potentially-changed files in | |
618 | # this manifest. |
|
620 | # this manifest. | |
619 | changedfiles.update(c[3]) |
|
621 | changedfiles.update(c[3]) | |
620 | return x |
|
622 | return x | |
621 |
|
623 | |||
622 | self._verbosenote(_('uncompressed size of bundle content:\n')) |
|
624 | self._verbosenote(_('uncompressed size of bundle content:\n')) | |
623 | size = 0 |
|
625 | size = 0 | |
624 | for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')): |
|
626 | for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')): | |
625 | size += len(chunk) |
|
627 | size += len(chunk) | |
626 | yield chunk |
|
628 | yield chunk | |
627 | self._verbosenote(_('%8.i (changelog)\n') % size) |
|
629 | self._verbosenote(_('%8.i (changelog)\n') % size) | |
628 |
|
630 | |||
629 | # We need to make sure that the linkrev in the changegroup refers to |
|
631 | # We need to make sure that the linkrev in the changegroup refers to | |
630 | # the first changeset that introduced the manifest or file revision. |
|
632 | # the first changeset that introduced the manifest or file revision. | |
631 | # The fastpath is usually safer than the slowpath, because the filelogs |
|
633 | # The fastpath is usually safer than the slowpath, because the filelogs | |
632 | # are walked in revlog order. |
|
634 | # are walked in revlog order. | |
633 | # |
|
635 | # | |
634 | # When taking the slowpath with reorder=None and the manifest revlog |
|
636 | # When taking the slowpath with reorder=None and the manifest revlog | |
635 | # uses generaldelta, the manifest may be walked in the "wrong" order. |
|
637 | # uses generaldelta, the manifest may be walked in the "wrong" order. | |
636 | # Without 'clrevorder', we would get an incorrect linkrev (see fix in |
|
638 | # Without 'clrevorder', we would get an incorrect linkrev (see fix in | |
637 | # cc0ff93d0c0c). |
|
639 | # cc0ff93d0c0c). | |
638 | # |
|
640 | # | |
639 | # When taking the fastpath, we are only vulnerable to reordering |
|
641 | # When taking the fastpath, we are only vulnerable to reordering | |
640 | # of the changelog itself. The changelog never uses generaldelta, so |
|
642 | # of the changelog itself. The changelog never uses generaldelta, so | |
641 | # it is only reordered when reorder=True. To handle this case, we |
|
643 | # it is only reordered when reorder=True. To handle this case, we | |
642 | # simply take the slowpath, which already has the 'clrevorder' logic. |
|
644 | # simply take the slowpath, which already has the 'clrevorder' logic. | |
643 | # This was also fixed in cc0ff93d0c0c. |
|
645 | # This was also fixed in cc0ff93d0c0c. | |
644 | fastpathlinkrev = fastpathlinkrev and not self._reorder |
|
646 | fastpathlinkrev = fastpathlinkrev and not self._reorder | |
645 | # Treemanifests don't work correctly with fastpathlinkrev |
|
647 | # Treemanifests don't work correctly with fastpathlinkrev | |
646 | # either, because we don't discover which directory nodes to |
|
648 | # either, because we don't discover which directory nodes to | |
647 | # send along with files. This could probably be fixed. |
|
649 | # send along with files. This could probably be fixed. | |
648 | fastpathlinkrev = fastpathlinkrev and ( |
|
650 | fastpathlinkrev = fastpathlinkrev and ( | |
649 | 'treemanifest' not in repo.requirements) |
|
651 | 'treemanifest' not in repo.requirements) | |
650 |
|
652 | |||
651 | for chunk in self.generatemanifests(commonrevs, clrevorder, |
|
653 | for chunk in self.generatemanifests(commonrevs, clrevorder, | |
652 | fastpathlinkrev, mfs, fnodes): |
|
654 | fastpathlinkrev, mfs, fnodes): | |
653 | yield chunk |
|
655 | yield chunk | |
654 | mfs.clear() |
|
656 | mfs.clear() | |
655 | clrevs = set(cl.rev(x) for x in clnodes) |
|
657 | clrevs = set(cl.rev(x) for x in clnodes) | |
656 |
|
658 | |||
657 | if not fastpathlinkrev: |
|
659 | if not fastpathlinkrev: | |
658 | def linknodes(unused, fname): |
|
660 | def linknodes(unused, fname): | |
659 | return fnodes.get(fname, {}) |
|
661 | return fnodes.get(fname, {}) | |
660 | else: |
|
662 | else: | |
661 | cln = cl.node |
|
663 | cln = cl.node | |
662 | def linknodes(filerevlog, fname): |
|
664 | def linknodes(filerevlog, fname): | |
663 | llr = filerevlog.linkrev |
|
665 | llr = filerevlog.linkrev | |
664 | fln = filerevlog.node |
|
666 | fln = filerevlog.node | |
665 | revs = ((r, llr(r)) for r in filerevlog) |
|
667 | revs = ((r, llr(r)) for r in filerevlog) | |
666 | return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs) |
|
668 | return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs) | |
667 |
|
669 | |||
668 | for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, |
|
670 | for chunk in self.generatefiles(changedfiles, linknodes, commonrevs, | |
669 | source): |
|
671 | source): | |
670 | yield chunk |
|
672 | yield chunk | |
671 |
|
673 | |||
672 | yield self.close() |
|
674 | yield self.close() | |
673 |
|
675 | |||
674 | if clnodes: |
|
676 | if clnodes: | |
675 | repo.hook('outgoing', node=hex(clnodes[0]), source=source) |
|
677 | repo.hook('outgoing', node=hex(clnodes[0]), source=source) | |
676 |
|
678 | |||
677 | def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, |
|
679 | def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs, | |
678 | fnodes): |
|
680 | fnodes): | |
679 | repo = self._repo |
|
681 | repo = self._repo | |
680 | mfl = repo.manifestlog |
|
682 | mfl = repo.manifestlog | |
681 | dirlog = mfl._revlog.dirlog |
|
683 | dirlog = mfl._revlog.dirlog | |
682 | tmfnodes = {'': mfs} |
|
684 | tmfnodes = {'': mfs} | |
683 |
|
685 | |||
684 | # Callback for the manifest, used to collect linkrevs for filelog |
|
686 | # Callback for the manifest, used to collect linkrevs for filelog | |
685 | # revisions. |
|
687 | # revisions. | |
686 | # Returns the linkrev node (collected in lookupcl). |
|
688 | # Returns the linkrev node (collected in lookupcl). | |
687 | def makelookupmflinknode(dir): |
|
689 | def makelookupmflinknode(dir): | |
688 | if fastpathlinkrev: |
|
690 | if fastpathlinkrev: | |
689 | assert not dir |
|
691 | assert not dir | |
690 | return mfs.__getitem__ |
|
692 | return mfs.__getitem__ | |
691 |
|
693 | |||
692 | def lookupmflinknode(x): |
|
694 | def lookupmflinknode(x): | |
693 | """Callback for looking up the linknode for manifests. |
|
695 | """Callback for looking up the linknode for manifests. | |
694 |
|
696 | |||
695 | Returns the linkrev node for the specified manifest. |
|
697 | Returns the linkrev node for the specified manifest. | |
696 |
|
698 | |||
697 | SIDE EFFECT: |
|
699 | SIDE EFFECT: | |
698 |
|
700 | |||
699 | 1) fclnodes gets populated with the list of relevant |
|
701 | 1) fclnodes gets populated with the list of relevant | |
700 | file nodes if we're not using fastpathlinkrev |
|
702 | file nodes if we're not using fastpathlinkrev | |
701 | 2) When treemanifests are in use, collects treemanifest nodes |
|
703 | 2) When treemanifests are in use, collects treemanifest nodes | |
702 | to send |
|
704 | to send | |
703 |
|
705 | |||
704 | Note that this means manifests must be completely sent to |
|
706 | Note that this means manifests must be completely sent to | |
705 | the client before you can trust the list of files and |
|
707 | the client before you can trust the list of files and | |
706 | treemanifests to send. |
|
708 | treemanifests to send. | |
707 | """ |
|
709 | """ | |
708 | clnode = tmfnodes[dir][x] |
|
710 | clnode = tmfnodes[dir][x] | |
709 | mdata = mfl.get(dir, x).readfast(shallow=True) |
|
711 | mdata = mfl.get(dir, x).readfast(shallow=True) | |
710 | for p, n, fl in mdata.iterentries(): |
|
712 | for p, n, fl in mdata.iterentries(): | |
711 | if fl == 't': # subdirectory manifest |
|
713 | if fl == 't': # subdirectory manifest | |
712 | subdir = dir + p + '/' |
|
714 | subdir = dir + p + '/' | |
713 | tmfclnodes = tmfnodes.setdefault(subdir, {}) |
|
715 | tmfclnodes = tmfnodes.setdefault(subdir, {}) | |
714 | tmfclnode = tmfclnodes.setdefault(n, clnode) |
|
716 | tmfclnode = tmfclnodes.setdefault(n, clnode) | |
715 | if clrevorder[clnode] < clrevorder[tmfclnode]: |
|
717 | if clrevorder[clnode] < clrevorder[tmfclnode]: | |
716 | tmfclnodes[n] = clnode |
|
718 | tmfclnodes[n] = clnode | |
717 | else: |
|
719 | else: | |
718 | f = dir + p |
|
720 | f = dir + p | |
719 | fclnodes = fnodes.setdefault(f, {}) |
|
721 | fclnodes = fnodes.setdefault(f, {}) | |
720 | fclnode = fclnodes.setdefault(n, clnode) |
|
722 | fclnode = fclnodes.setdefault(n, clnode) | |
721 | if clrevorder[clnode] < clrevorder[fclnode]: |
|
723 | if clrevorder[clnode] < clrevorder[fclnode]: | |
722 | fclnodes[n] = clnode |
|
724 | fclnodes[n] = clnode | |
723 | return clnode |
|
725 | return clnode | |
724 | return lookupmflinknode |
|
726 | return lookupmflinknode | |
725 |
|
727 | |||
726 | size = 0 |
|
728 | size = 0 | |
727 | while tmfnodes: |
|
729 | while tmfnodes: | |
728 | dir = min(tmfnodes) |
|
730 | dir = min(tmfnodes) | |
729 | nodes = tmfnodes[dir] |
|
731 | nodes = tmfnodes[dir] | |
730 | prunednodes = self.prune(dirlog(dir), nodes, commonrevs) |
|
732 | prunednodes = self.prune(dirlog(dir), nodes, commonrevs) | |
731 | if not dir or prunednodes: |
|
733 | if not dir or prunednodes: | |
732 | for x in self._packmanifests(dir, prunednodes, |
|
734 | for x in self._packmanifests(dir, prunednodes, | |
733 | makelookupmflinknode(dir)): |
|
735 | makelookupmflinknode(dir)): | |
734 | size += len(x) |
|
736 | size += len(x) | |
735 | yield x |
|
737 | yield x | |
736 | del tmfnodes[dir] |
|
738 | del tmfnodes[dir] | |
737 | self._verbosenote(_('%8.i (manifests)\n') % size) |
|
739 | self._verbosenote(_('%8.i (manifests)\n') % size) | |
738 | yield self._manifestsdone() |
|
740 | yield self._manifestsdone() | |
739 |
|
741 | |||
740 | # The 'source' parameter is useful for extensions |
|
742 | # The 'source' parameter is useful for extensions | |
741 | def generatefiles(self, changedfiles, linknodes, commonrevs, source): |
|
743 | def generatefiles(self, changedfiles, linknodes, commonrevs, source): | |
742 | repo = self._repo |
|
744 | repo = self._repo | |
743 | progress = self._progress |
|
745 | progress = self._progress | |
744 | msgbundling = _('bundling') |
|
746 | msgbundling = _('bundling') | |
745 |
|
747 | |||
746 | total = len(changedfiles) |
|
748 | total = len(changedfiles) | |
747 | # for progress output |
|
749 | # for progress output | |
748 | msgfiles = _('files') |
|
750 | msgfiles = _('files') | |
749 | for i, fname in enumerate(sorted(changedfiles)): |
|
751 | for i, fname in enumerate(sorted(changedfiles)): | |
750 | filerevlog = repo.file(fname) |
|
752 | filerevlog = repo.file(fname) | |
751 | if not filerevlog: |
|
753 | if not filerevlog: | |
752 | raise error.Abort(_("empty or missing revlog for %s") % fname) |
|
754 | raise error.Abort(_("empty or missing revlog for %s") % fname) | |
753 |
|
755 | |||
754 | linkrevnodes = linknodes(filerevlog, fname) |
|
756 | linkrevnodes = linknodes(filerevlog, fname) | |
755 | # Lookup for filenodes, we collected the linkrev nodes above in the |
|
757 | # Lookup for filenodes, we collected the linkrev nodes above in the | |
756 | # fastpath case and with lookupmf in the slowpath case. |
|
758 | # fastpath case and with lookupmf in the slowpath case. | |
757 | def lookupfilelog(x): |
|
759 | def lookupfilelog(x): | |
758 | return linkrevnodes[x] |
|
760 | return linkrevnodes[x] | |
759 |
|
761 | |||
760 | filenodes = self.prune(filerevlog, linkrevnodes, commonrevs) |
|
762 | filenodes = self.prune(filerevlog, linkrevnodes, commonrevs) | |
761 | if filenodes: |
|
763 | if filenodes: | |
762 | progress(msgbundling, i + 1, item=fname, unit=msgfiles, |
|
764 | progress(msgbundling, i + 1, item=fname, unit=msgfiles, | |
763 | total=total) |
|
765 | total=total) | |
764 | h = self.fileheader(fname) |
|
766 | h = self.fileheader(fname) | |
765 | size = len(h) |
|
767 | size = len(h) | |
766 | yield h |
|
768 | yield h | |
767 | for chunk in self.group(filenodes, filerevlog, lookupfilelog): |
|
769 | for chunk in self.group(filenodes, filerevlog, lookupfilelog): | |
768 | size += len(chunk) |
|
770 | size += len(chunk) | |
769 | yield chunk |
|
771 | yield chunk | |
770 | self._verbosenote(_('%8.i %s\n') % (size, fname)) |
|
772 | self._verbosenote(_('%8.i %s\n') % (size, fname)) | |
771 | progress(msgbundling, None) |
|
773 | progress(msgbundling, None) | |
772 |
|
774 | |||
773 | def deltaparent(self, revlog, rev, p1, p2, prev): |
|
775 | def deltaparent(self, revlog, rev, p1, p2, prev): | |
774 | return prev |
|
776 | return prev | |
775 |
|
777 | |||
776 | def revchunk(self, revlog, rev, prev, linknode): |
|
778 | def revchunk(self, revlog, rev, prev, linknode): | |
777 | node = revlog.node(rev) |
|
779 | node = revlog.node(rev) | |
778 | p1, p2 = revlog.parentrevs(rev) |
|
780 | p1, p2 = revlog.parentrevs(rev) | |
779 | base = self.deltaparent(revlog, rev, p1, p2, prev) |
|
781 | base = self.deltaparent(revlog, rev, p1, p2, prev) | |
780 |
|
782 | |||
781 | prefix = '' |
|
783 | prefix = '' | |
782 | if revlog.iscensored(base) or revlog.iscensored(rev): |
|
784 | if revlog.iscensored(base) or revlog.iscensored(rev): | |
783 | try: |
|
785 | try: | |
784 | delta = revlog.revision(node) |
|
786 | delta = revlog.revision(node) | |
785 | except error.CensoredNodeError as e: |
|
787 | except error.CensoredNodeError as e: | |
786 | delta = e.tombstone |
|
788 | delta = e.tombstone | |
787 | if base == nullrev: |
|
789 | if base == nullrev: | |
788 | prefix = mdiff.trivialdiffheader(len(delta)) |
|
790 | prefix = mdiff.trivialdiffheader(len(delta)) | |
789 | else: |
|
791 | else: | |
790 | baselen = revlog.rawsize(base) |
|
792 | baselen = revlog.rawsize(base) | |
791 | prefix = mdiff.replacediffheader(baselen, len(delta)) |
|
793 | prefix = mdiff.replacediffheader(baselen, len(delta)) | |
792 | elif base == nullrev: |
|
794 | elif base == nullrev: | |
793 | delta = revlog.revision(node) |
|
795 | delta = revlog.revision(node) | |
794 | prefix = mdiff.trivialdiffheader(len(delta)) |
|
796 | prefix = mdiff.trivialdiffheader(len(delta)) | |
795 | else: |
|
797 | else: | |
796 | delta = revlog.revdiff(base, rev) |
|
798 | delta = revlog.revdiff(base, rev) | |
797 | p1n, p2n = revlog.parents(node) |
|
799 | p1n, p2n = revlog.parents(node) | |
798 | basenode = revlog.node(base) |
|
800 | basenode = revlog.node(base) | |
799 | flags = revlog.flags(rev) |
|
801 | flags = revlog.flags(rev) | |
800 | meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags) |
|
802 | meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags) | |
801 | meta += prefix |
|
803 | meta += prefix | |
802 | l = len(meta) + len(delta) |
|
804 | l = len(meta) + len(delta) | |
803 | yield chunkheader(l) |
|
805 | yield chunkheader(l) | |
804 | yield meta |
|
806 | yield meta | |
805 | yield delta |
|
807 | yield delta | |
806 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
|
808 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): | |
807 | # do nothing with basenode, it is implicitly the previous one in HG10 |
|
809 | # do nothing with basenode, it is implicitly the previous one in HG10 | |
808 | # do nothing with flags, it is implicitly 0 for cg1 and cg2 |
|
810 | # do nothing with flags, it is implicitly 0 for cg1 and cg2 | |
809 | return struct.pack(self.deltaheader, node, p1n, p2n, linknode) |
|
811 | return struct.pack(self.deltaheader, node, p1n, p2n, linknode) | |
810 |
|
812 | |||
811 | class cg2packer(cg1packer): |
|
813 | class cg2packer(cg1packer): | |
812 | version = '02' |
|
814 | version = '02' | |
813 | deltaheader = _CHANGEGROUPV2_DELTA_HEADER |
|
815 | deltaheader = _CHANGEGROUPV2_DELTA_HEADER | |
814 |
|
816 | |||
815 | def __init__(self, repo, bundlecaps=None): |
|
817 | def __init__(self, repo, bundlecaps=None): | |
816 | super(cg2packer, self).__init__(repo, bundlecaps) |
|
818 | super(cg2packer, self).__init__(repo, bundlecaps) | |
817 | if self._reorder is None: |
|
819 | if self._reorder is None: | |
818 | # Since generaldelta is directly supported by cg2, reordering |
|
820 | # Since generaldelta is directly supported by cg2, reordering | |
819 | # generally doesn't help, so we disable it by default (treating |
|
821 | # generally doesn't help, so we disable it by default (treating | |
820 | # bundle.reorder=auto just like bundle.reorder=False). |
|
822 | # bundle.reorder=auto just like bundle.reorder=False). | |
821 | self._reorder = False |
|
823 | self._reorder = False | |
822 |
|
824 | |||
823 | def deltaparent(self, revlog, rev, p1, p2, prev): |
|
825 | def deltaparent(self, revlog, rev, p1, p2, prev): | |
824 | dp = revlog.deltaparent(rev) |
|
826 | dp = revlog.deltaparent(rev) | |
825 | if dp == nullrev and revlog.storedeltachains: |
|
827 | if dp == nullrev and revlog.storedeltachains: | |
826 | # Avoid sending full revisions when delta parent is null. Pick prev |
|
828 | # Avoid sending full revisions when delta parent is null. Pick prev | |
827 | # in that case. It's tempting to pick p1 in this case, as p1 will |
|
829 | # in that case. It's tempting to pick p1 in this case, as p1 will | |
828 | # be smaller in the common case. However, computing a delta against |
|
830 | # be smaller in the common case. However, computing a delta against | |
829 | # p1 may require resolving the raw text of p1, which could be |
|
831 | # p1 may require resolving the raw text of p1, which could be | |
830 | # expensive. The revlog caches should have prev cached, meaning |
|
832 | # expensive. The revlog caches should have prev cached, meaning | |
831 | # less CPU for changegroup generation. There is likely room to add |
|
833 | # less CPU for changegroup generation. There is likely room to add | |
832 | # a flag and/or config option to control this behavior. |
|
834 | # a flag and/or config option to control this behavior. | |
833 | return prev |
|
835 | return prev | |
834 | elif dp == nullrev: |
|
836 | elif dp == nullrev: | |
835 | # revlog is configured to use full snapshot for a reason, |
|
837 | # revlog is configured to use full snapshot for a reason, | |
836 | # stick to full snapshot. |
|
838 | # stick to full snapshot. | |
837 | return nullrev |
|
839 | return nullrev | |
838 | elif dp not in (p1, p2, prev): |
|
840 | elif dp not in (p1, p2, prev): | |
839 | # Pick prev when we can't be sure remote has the base revision. |
|
841 | # Pick prev when we can't be sure remote has the base revision. | |
840 | return prev |
|
842 | return prev | |
841 | else: |
|
843 | else: | |
842 | return dp |
|
844 | return dp | |
843 |
|
845 | |||
844 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
|
846 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): | |
845 | # Do nothing with flags, it is implicitly 0 in cg1 and cg2 |
|
847 | # Do nothing with flags, it is implicitly 0 in cg1 and cg2 | |
846 | return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode) |
|
848 | return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode) | |
847 |
|
849 | |||
848 | class cg3packer(cg2packer): |
|
850 | class cg3packer(cg2packer): | |
849 | version = '03' |
|
851 | version = '03' | |
850 | deltaheader = _CHANGEGROUPV3_DELTA_HEADER |
|
852 | deltaheader = _CHANGEGROUPV3_DELTA_HEADER | |
851 |
|
853 | |||
852 | def _packmanifests(self, dir, mfnodes, lookuplinknode): |
|
854 | def _packmanifests(self, dir, mfnodes, lookuplinknode): | |
853 | if dir: |
|
855 | if dir: | |
854 | yield self.fileheader(dir) |
|
856 | yield self.fileheader(dir) | |
855 |
|
857 | |||
856 | dirlog = self._repo.manifestlog._revlog.dirlog(dir) |
|
858 | dirlog = self._repo.manifestlog._revlog.dirlog(dir) | |
857 | for chunk in self.group(mfnodes, dirlog, lookuplinknode, |
|
859 | for chunk in self.group(mfnodes, dirlog, lookuplinknode, | |
858 | units=_('manifests')): |
|
860 | units=_('manifests')): | |
859 | yield chunk |
|
861 | yield chunk | |
860 |
|
862 | |||
861 | def _manifestsdone(self): |
|
863 | def _manifestsdone(self): | |
862 | return self.close() |
|
864 | return self.close() | |
863 |
|
865 | |||
864 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): |
|
866 | def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags): | |
865 | return struct.pack( |
|
867 | return struct.pack( | |
866 | self.deltaheader, node, p1n, p2n, basenode, linknode, flags) |
|
868 | self.deltaheader, node, p1n, p2n, basenode, linknode, flags) | |
867 |
|
869 | |||
868 | _packermap = {'01': (cg1packer, cg1unpacker), |
|
870 | _packermap = {'01': (cg1packer, cg1unpacker), | |
869 | # cg2 adds support for exchanging generaldelta |
|
871 | # cg2 adds support for exchanging generaldelta | |
870 | '02': (cg2packer, cg2unpacker), |
|
872 | '02': (cg2packer, cg2unpacker), | |
871 | # cg3 adds support for exchanging revlog flags and treemanifests |
|
873 | # cg3 adds support for exchanging revlog flags and treemanifests | |
872 | '03': (cg3packer, cg3unpacker), |
|
874 | '03': (cg3packer, cg3unpacker), | |
873 | } |
|
875 | } | |
874 |
|
876 | |||
875 | def allsupportedversions(ui): |
|
877 | def allsupportedversions(ui): | |
876 | versions = set(_packermap.keys()) |
|
878 | versions = set(_packermap.keys()) | |
877 | versions.discard('03') |
|
879 | versions.discard('03') | |
878 | if (ui.configbool('experimental', 'changegroup3') or |
|
880 | if (ui.configbool('experimental', 'changegroup3') or | |
879 | ui.configbool('experimental', 'treemanifest')): |
|
881 | ui.configbool('experimental', 'treemanifest')): | |
880 | versions.add('03') |
|
882 | versions.add('03') | |
881 | return versions |
|
883 | return versions | |
882 |
|
884 | |||
883 | # Changegroup versions that can be applied to the repo |
|
885 | # Changegroup versions that can be applied to the repo | |
884 | def supportedincomingversions(repo): |
|
886 | def supportedincomingversions(repo): | |
885 | versions = allsupportedversions(repo.ui) |
|
887 | versions = allsupportedversions(repo.ui) | |
886 | if 'treemanifest' in repo.requirements: |
|
888 | if 'treemanifest' in repo.requirements: | |
887 | versions.add('03') |
|
889 | versions.add('03') | |
888 | return versions |
|
890 | return versions | |
889 |
|
891 | |||
890 | # Changegroup versions that can be created from the repo |
|
892 | # Changegroup versions that can be created from the repo | |
891 | def supportedoutgoingversions(repo): |
|
893 | def supportedoutgoingversions(repo): | |
892 | versions = allsupportedversions(repo.ui) |
|
894 | versions = allsupportedversions(repo.ui) | |
893 | if 'treemanifest' in repo.requirements: |
|
895 | if 'treemanifest' in repo.requirements: | |
894 | # Versions 01 and 02 support only flat manifests and it's just too |
|
896 | # Versions 01 and 02 support only flat manifests and it's just too | |
895 | # expensive to convert between the flat manifest and tree manifest on |
|
897 | # expensive to convert between the flat manifest and tree manifest on | |
896 | # the fly. Since tree manifests are hashed differently, all of history |
|
898 | # the fly. Since tree manifests are hashed differently, all of history | |
897 | # would have to be converted. Instead, we simply don't even pretend to |
|
899 | # would have to be converted. Instead, we simply don't even pretend to | |
898 | # support versions 01 and 02. |
|
900 | # support versions 01 and 02. | |
899 | versions.discard('01') |
|
901 | versions.discard('01') | |
900 | versions.discard('02') |
|
902 | versions.discard('02') | |
901 | versions.add('03') |
|
903 | versions.add('03') | |
902 | return versions |
|
904 | return versions | |
903 |
|
905 | |||
904 | def safeversion(repo): |
|
906 | def safeversion(repo): | |
905 | # Finds the smallest version that it's safe to assume clients of the repo |
|
907 | # Finds the smallest version that it's safe to assume clients of the repo | |
906 | # will support. For example, all hg versions that support generaldelta also |
|
908 | # will support. For example, all hg versions that support generaldelta also | |
907 | # support changegroup 02. |
|
909 | # support changegroup 02. | |
908 | versions = supportedoutgoingversions(repo) |
|
910 | versions = supportedoutgoingversions(repo) | |
909 | if 'generaldelta' in repo.requirements: |
|
911 | if 'generaldelta' in repo.requirements: | |
910 | versions.discard('01') |
|
912 | versions.discard('01') | |
911 | assert versions |
|
913 | assert versions | |
912 | return min(versions) |
|
914 | return min(versions) | |
913 |
|
915 | |||
914 | def getbundler(version, repo, bundlecaps=None): |
|
916 | def getbundler(version, repo, bundlecaps=None): | |
915 | assert version in supportedoutgoingversions(repo) |
|
917 | assert version in supportedoutgoingversions(repo) | |
916 | return _packermap[version][0](repo, bundlecaps) |
|
918 | return _packermap[version][0](repo, bundlecaps) | |
917 |
|
919 | |||
918 | def getunbundler(version, fh, alg, extras=None): |
|
920 | def getunbundler(version, fh, alg, extras=None): | |
919 | return _packermap[version][1](fh, alg, extras=extras) |
|
921 | return _packermap[version][1](fh, alg, extras=extras) | |
920 |
|
922 | |||
921 | def _changegroupinfo(repo, nodes, source): |
|
923 | def _changegroupinfo(repo, nodes, source): | |
922 | if repo.ui.verbose or source == 'bundle': |
|
924 | if repo.ui.verbose or source == 'bundle': | |
923 | repo.ui.status(_("%d changesets found\n") % len(nodes)) |
|
925 | repo.ui.status(_("%d changesets found\n") % len(nodes)) | |
924 | if repo.ui.debugflag: |
|
926 | if repo.ui.debugflag: | |
925 | repo.ui.debug("list of changesets:\n") |
|
927 | repo.ui.debug("list of changesets:\n") | |
926 | for node in nodes: |
|
928 | for node in nodes: | |
927 | repo.ui.debug("%s\n" % hex(node)) |
|
929 | repo.ui.debug("%s\n" % hex(node)) | |
928 |
|
930 | |||
929 | def getsubsetraw(repo, outgoing, bundler, source, fastpath=False): |
|
931 | def getsubsetraw(repo, outgoing, bundler, source, fastpath=False): | |
930 | repo = repo.unfiltered() |
|
932 | repo = repo.unfiltered() | |
931 | commonrevs = outgoing.common |
|
933 | commonrevs = outgoing.common | |
932 | csets = outgoing.missing |
|
934 | csets = outgoing.missing | |
933 | heads = outgoing.missingheads |
|
935 | heads = outgoing.missingheads | |
934 | # We go through the fast path if we get told to, or if all (unfiltered |
|
936 | # We go through the fast path if we get told to, or if all (unfiltered | |
935 | # heads have been requested (since we then know there all linkrevs will |
|
937 | # heads have been requested (since we then know there all linkrevs will | |
936 | # be pulled by the client). |
|
938 | # be pulled by the client). | |
937 | heads.sort() |
|
939 | heads.sort() | |
938 | fastpathlinkrev = fastpath or ( |
|
940 | fastpathlinkrev = fastpath or ( | |
939 | repo.filtername is None and heads == sorted(repo.heads())) |
|
941 | repo.filtername is None and heads == sorted(repo.heads())) | |
940 |
|
942 | |||
941 | repo.hook('preoutgoing', throw=True, source=source) |
|
943 | repo.hook('preoutgoing', throw=True, source=source) | |
942 | _changegroupinfo(repo, csets, source) |
|
944 | _changegroupinfo(repo, csets, source) | |
943 | return bundler.generate(commonrevs, csets, fastpathlinkrev, source) |
|
945 | return bundler.generate(commonrevs, csets, fastpathlinkrev, source) | |
944 |
|
946 | |||
945 | def getsubset(repo, outgoing, bundler, source, fastpath=False): |
|
947 | def getsubset(repo, outgoing, bundler, source, fastpath=False): | |
946 | gengroup = getsubsetraw(repo, outgoing, bundler, source, fastpath) |
|
948 | gengroup = getsubsetraw(repo, outgoing, bundler, source, fastpath) | |
947 | return getunbundler(bundler.version, util.chunkbuffer(gengroup), None, |
|
949 | return getunbundler(bundler.version, util.chunkbuffer(gengroup), None, | |
948 | {'clcount': len(outgoing.missing)}) |
|
950 | {'clcount': len(outgoing.missing)}) | |
949 |
|
951 | |||
950 | def changegroupsubset(repo, roots, heads, source, version='01'): |
|
952 | def changegroupsubset(repo, roots, heads, source, version='01'): | |
951 | """Compute a changegroup consisting of all the nodes that are |
|
953 | """Compute a changegroup consisting of all the nodes that are | |
952 | descendants of any of the roots and ancestors of any of the heads. |
|
954 | descendants of any of the roots and ancestors of any of the heads. | |
953 | Return a chunkbuffer object whose read() method will return |
|
955 | Return a chunkbuffer object whose read() method will return | |
954 | successive changegroup chunks. |
|
956 | successive changegroup chunks. | |
955 |
|
957 | |||
956 | It is fairly complex as determining which filenodes and which |
|
958 | It is fairly complex as determining which filenodes and which | |
957 | manifest nodes need to be included for the changeset to be complete |
|
959 | manifest nodes need to be included for the changeset to be complete | |
958 | is non-trivial. |
|
960 | is non-trivial. | |
959 |
|
961 | |||
960 | Another wrinkle is doing the reverse, figuring out which changeset in |
|
962 | Another wrinkle is doing the reverse, figuring out which changeset in | |
961 | the changegroup a particular filenode or manifestnode belongs to. |
|
963 | the changegroup a particular filenode or manifestnode belongs to. | |
962 | """ |
|
964 | """ | |
963 | outgoing = discovery.outgoing(repo, missingroots=roots, missingheads=heads) |
|
965 | outgoing = discovery.outgoing(repo, missingroots=roots, missingheads=heads) | |
964 | bundler = getbundler(version, repo) |
|
966 | bundler = getbundler(version, repo) | |
965 | return getsubset(repo, outgoing, bundler, source) |
|
967 | return getsubset(repo, outgoing, bundler, source) | |
966 |
|
968 | |||
967 | def getlocalchangegroupraw(repo, source, outgoing, bundlecaps=None, |
|
969 | def getlocalchangegroupraw(repo, source, outgoing, bundlecaps=None, | |
968 | version='01'): |
|
970 | version='01'): | |
969 | """Like getbundle, but taking a discovery.outgoing as an argument. |
|
971 | """Like getbundle, but taking a discovery.outgoing as an argument. | |
970 |
|
972 | |||
971 | This is only implemented for local repos and reuses potentially |
|
973 | This is only implemented for local repos and reuses potentially | |
972 | precomputed sets in outgoing. Returns a raw changegroup generator.""" |
|
974 | precomputed sets in outgoing. Returns a raw changegroup generator.""" | |
973 | if not outgoing.missing: |
|
975 | if not outgoing.missing: | |
974 | return None |
|
976 | return None | |
975 | bundler = getbundler(version, repo, bundlecaps) |
|
977 | bundler = getbundler(version, repo, bundlecaps) | |
976 | return getsubsetraw(repo, outgoing, bundler, source) |
|
978 | return getsubsetraw(repo, outgoing, bundler, source) | |
977 |
|
979 | |||
978 | def getlocalchangegroup(repo, source, outgoing, bundlecaps=None, |
|
980 | def getlocalchangegroup(repo, source, outgoing, bundlecaps=None, | |
979 | version='01'): |
|
981 | version='01'): | |
980 | """Like getbundle, but taking a discovery.outgoing as an argument. |
|
982 | """Like getbundle, but taking a discovery.outgoing as an argument. | |
981 |
|
983 | |||
982 | This is only implemented for local repos and reuses potentially |
|
984 | This is only implemented for local repos and reuses potentially | |
983 | precomputed sets in outgoing.""" |
|
985 | precomputed sets in outgoing.""" | |
984 | if not outgoing.missing: |
|
986 | if not outgoing.missing: | |
985 | return None |
|
987 | return None | |
986 | bundler = getbundler(version, repo, bundlecaps) |
|
988 | bundler = getbundler(version, repo, bundlecaps) | |
987 | return getsubset(repo, outgoing, bundler, source) |
|
989 | return getsubset(repo, outgoing, bundler, source) | |
988 |
|
990 | |||
989 | def getchangegroup(repo, source, outgoing, bundlecaps=None, |
|
991 | def getchangegroup(repo, source, outgoing, bundlecaps=None, | |
990 | version='01'): |
|
992 | version='01'): | |
991 | """Like changegroupsubset, but returns the set difference between the |
|
993 | """Like changegroupsubset, but returns the set difference between the | |
992 | ancestors of heads and the ancestors common. |
|
994 | ancestors of heads and the ancestors common. | |
993 |
|
995 | |||
994 | If heads is None, use the local heads. If common is None, use [nullid]. |
|
996 | If heads is None, use the local heads. If common is None, use [nullid]. | |
995 |
|
997 | |||
996 | The nodes in common might not all be known locally due to the way the |
|
998 | The nodes in common might not all be known locally due to the way the | |
997 | current discovery protocol works. |
|
999 | current discovery protocol works. | |
998 | """ |
|
1000 | """ | |
999 | return getlocalchangegroup(repo, source, outgoing, bundlecaps=bundlecaps, |
|
1001 | return getlocalchangegroup(repo, source, outgoing, bundlecaps=bundlecaps, | |
1000 | version=version) |
|
1002 | version=version) | |
1001 |
|
1003 | |||
1002 | def changegroup(repo, basenodes, source): |
|
1004 | def changegroup(repo, basenodes, source): | |
1003 | # to avoid a race we use changegroupsubset() (issue1320) |
|
1005 | # to avoid a race we use changegroupsubset() (issue1320) | |
1004 | return changegroupsubset(repo, basenodes, repo.heads(), source) |
|
1006 | return changegroupsubset(repo, basenodes, repo.heads(), source) | |
1005 |
|
1007 | |||
1006 | def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): |
|
1008 | def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles): | |
1007 | revisions = 0 |
|
1009 | revisions = 0 | |
1008 | files = 0 |
|
1010 | files = 0 | |
1009 | for chunkdata in iter(source.filelogheader, {}): |
|
1011 | for chunkdata in iter(source.filelogheader, {}): | |
1010 | files += 1 |
|
1012 | files += 1 | |
1011 | f = chunkdata["filename"] |
|
1013 | f = chunkdata["filename"] | |
1012 | repo.ui.debug("adding %s revisions\n" % f) |
|
1014 | repo.ui.debug("adding %s revisions\n" % f) | |
1013 | repo.ui.progress(_('files'), files, unit=_('files'), |
|
1015 | repo.ui.progress(_('files'), files, unit=_('files'), | |
1014 | total=expectedfiles) |
|
1016 | total=expectedfiles) | |
1015 | fl = repo.file(f) |
|
1017 | fl = repo.file(f) | |
1016 | o = len(fl) |
|
1018 | o = len(fl) | |
1017 | try: |
|
1019 | try: | |
1018 | if not fl.addgroup(source, revmap, trp): |
|
1020 | if not fl.addgroup(source, revmap, trp): | |
1019 | raise error.Abort(_("received file revlog group is empty")) |
|
1021 | raise error.Abort(_("received file revlog group is empty")) | |
1020 | except error.CensoredBaseError as e: |
|
1022 | except error.CensoredBaseError as e: | |
1021 | raise error.Abort(_("received delta base is censored: %s") % e) |
|
1023 | raise error.Abort(_("received delta base is censored: %s") % e) | |
1022 | revisions += len(fl) - o |
|
1024 | revisions += len(fl) - o | |
1023 | if f in needfiles: |
|
1025 | if f in needfiles: | |
1024 | needs = needfiles[f] |
|
1026 | needs = needfiles[f] | |
1025 | for new in xrange(o, len(fl)): |
|
1027 | for new in xrange(o, len(fl)): | |
1026 | n = fl.node(new) |
|
1028 | n = fl.node(new) | |
1027 | if n in needs: |
|
1029 | if n in needs: | |
1028 | needs.remove(n) |
|
1030 | needs.remove(n) | |
1029 | else: |
|
1031 | else: | |
1030 | raise error.Abort( |
|
1032 | raise error.Abort( | |
1031 | _("received spurious file revlog entry")) |
|
1033 | _("received spurious file revlog entry")) | |
1032 | if not needs: |
|
1034 | if not needs: | |
1033 | del needfiles[f] |
|
1035 | del needfiles[f] | |
1034 | repo.ui.progress(_('files'), None) |
|
1036 | repo.ui.progress(_('files'), None) | |
1035 |
|
1037 | |||
1036 | for f, needs in needfiles.iteritems(): |
|
1038 | for f, needs in needfiles.iteritems(): | |
1037 | fl = repo.file(f) |
|
1039 | fl = repo.file(f) | |
1038 | for n in needs: |
|
1040 | for n in needs: | |
1039 | try: |
|
1041 | try: | |
1040 | fl.rev(n) |
|
1042 | fl.rev(n) | |
1041 | except error.LookupError: |
|
1043 | except error.LookupError: | |
1042 | raise error.Abort( |
|
1044 | raise error.Abort( | |
1043 | _('missing file data for %s:%s - run hg verify') % |
|
1045 | _('missing file data for %s:%s - run hg verify') % | |
1044 | (f, hex(n))) |
|
1046 | (f, hex(n))) | |
1045 |
|
1047 | |||
1046 | return revisions, files |
|
1048 | return revisions, files |
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