Show More
@@ -1,960 +1,959 b'' | |||
|
1 | 1 | # streamclone.py - producing and consuming streaming repository data |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2015 Gregory Szorc <gregory.szorc@gmail.com> |
|
4 | 4 | # |
|
5 | 5 | # This software may be used and distributed according to the terms of the |
|
6 | 6 | # GNU General Public License version 2 or any later version. |
|
7 | 7 | |
|
8 | 8 | |
|
9 | 9 | import contextlib |
|
10 | 10 | import os |
|
11 | 11 | import struct |
|
12 | 12 | |
|
13 | 13 | from .i18n import _ |
|
14 | 14 | from .pycompat import open |
|
15 | 15 | from .interfaces import repository |
|
16 | 16 | from . import ( |
|
17 | 17 | bookmarks, |
|
18 | 18 | cacheutil, |
|
19 | 19 | error, |
|
20 | 20 | narrowspec, |
|
21 | 21 | phases, |
|
22 | 22 | pycompat, |
|
23 | 23 | requirements as requirementsmod, |
|
24 | 24 | scmutil, |
|
25 | 25 | store, |
|
26 | 26 | transaction, |
|
27 | 27 | util, |
|
28 | 28 | ) |
|
29 | 29 | from .revlogutils import ( |
|
30 | 30 | nodemap, |
|
31 | 31 | ) |
|
32 | 32 | |
|
33 | 33 | |
|
34 | 34 | def new_stream_clone_requirements(default_requirements, streamed_requirements): |
|
35 | 35 | """determine the final set of requirement for a new stream clone |
|
36 | 36 | |
|
37 | 37 | this method combine the "default" requirements that a new repository would |
|
38 | 38 | use with the constaint we get from the stream clone content. We keep local |
|
39 | 39 | configuration choice when possible. |
|
40 | 40 | """ |
|
41 | 41 | requirements = set(default_requirements) |
|
42 | 42 | requirements -= requirementsmod.STREAM_FIXED_REQUIREMENTS |
|
43 | 43 | requirements.update(streamed_requirements) |
|
44 | 44 | return requirements |
|
45 | 45 | |
|
46 | 46 | |
|
47 | 47 | def streamed_requirements(repo): |
|
48 | 48 | """the set of requirement the new clone will have to support |
|
49 | 49 | |
|
50 | 50 | This is used for advertising the stream options and to generate the actual |
|
51 | 51 | stream content.""" |
|
52 | 52 | requiredformats = ( |
|
53 | 53 | repo.requirements & requirementsmod.STREAM_FIXED_REQUIREMENTS |
|
54 | 54 | ) |
|
55 | 55 | return requiredformats |
|
56 | 56 | |
|
57 | 57 | |
|
58 | 58 | def canperformstreamclone(pullop, bundle2=False): |
|
59 | 59 | """Whether it is possible to perform a streaming clone as part of pull. |
|
60 | 60 | |
|
61 | 61 | ``bundle2`` will cause the function to consider stream clone through |
|
62 | 62 | bundle2 and only through bundle2. |
|
63 | 63 | |
|
64 | 64 | Returns a tuple of (supported, requirements). ``supported`` is True if |
|
65 | 65 | streaming clone is supported and False otherwise. ``requirements`` is |
|
66 | 66 | a set of repo requirements from the remote, or ``None`` if stream clone |
|
67 | 67 | isn't supported. |
|
68 | 68 | """ |
|
69 | 69 | repo = pullop.repo |
|
70 | 70 | remote = pullop.remote |
|
71 | 71 | |
|
72 | # should we consider streaming clone at all ? | |
|
73 | streamrequested = pullop.streamclonerequested | |
|
74 | # If we don't have a preference, let the server decide for us. This | |
|
75 | # likely only comes into play in LANs. | |
|
76 | if streamrequested is None: | |
|
77 | # The server can advertise whether to prefer streaming clone. | |
|
78 | streamrequested = remote.capable(b'stream-preferred') | |
|
79 | if not streamrequested: | |
|
80 | return False, None | |
|
81 | ||
|
72 | 82 | # Streaming clone only works on an empty destination repository |
|
73 | 83 | if len(repo): |
|
74 | 84 | return False, None |
|
75 | 85 | |
|
76 | 86 | # Streaming clone only works if all data is being requested. |
|
77 | 87 | if pullop.heads: |
|
78 | 88 | return False, None |
|
79 | 89 | |
|
80 | 90 | bundle2supported = False |
|
81 | 91 | if pullop.canusebundle2: |
|
82 | 92 | if b'v2' in pullop.remotebundle2caps.get(b'stream', []): |
|
83 | 93 | bundle2supported = True |
|
84 | 94 | # else |
|
85 | 95 | # Server doesn't support bundle2 stream clone or doesn't support |
|
86 | 96 | # the versions we support. Fall back and possibly allow legacy. |
|
87 | 97 | |
|
88 | 98 | # Ensures legacy code path uses available bundle2. |
|
89 | 99 | if bundle2supported and not bundle2: |
|
90 | 100 | return False, None |
|
91 | 101 | # Ensures bundle2 doesn't try to do a stream clone if it isn't supported. |
|
92 | 102 | elif bundle2 and not bundle2supported: |
|
93 | 103 | return False, None |
|
94 | 104 | |
|
95 | streamrequested = pullop.streamclonerequested | |
|
96 | ||
|
97 | # If we don't have a preference, let the server decide for us. This | |
|
98 | # likely only comes into play in LANs. | |
|
99 | if streamrequested is None: | |
|
100 | # The server can advertise whether to prefer streaming clone. | |
|
101 | streamrequested = remote.capable(b'stream-preferred') | |
|
102 | ||
|
103 | if not streamrequested: | |
|
104 | return False, None | |
|
105 | ||
|
106 | 105 | # In order for stream clone to work, the client has to support all the |
|
107 | 106 | # requirements advertised by the server. |
|
108 | 107 | # |
|
109 | 108 | # The server advertises its requirements via the "stream" and "streamreqs" |
|
110 | 109 | # capability. "stream" (a value-less capability) is advertised if and only |
|
111 | 110 | # if the only requirement is "revlogv1." Else, the "streamreqs" capability |
|
112 | 111 | # is advertised and contains a comma-delimited list of requirements. |
|
113 | 112 | requirements = set() |
|
114 | 113 | if remote.capable(b'stream'): |
|
115 | 114 | requirements.add(requirementsmod.REVLOGV1_REQUIREMENT) |
|
116 | 115 | else: |
|
117 | 116 | streamreqs = remote.capable(b'streamreqs') |
|
118 | 117 | # This is weird and shouldn't happen with modern servers. |
|
119 | 118 | if not streamreqs: |
|
120 | 119 | pullop.repo.ui.warn( |
|
121 | 120 | _( |
|
122 | 121 | b'warning: stream clone requested but server has them ' |
|
123 | 122 | b'disabled\n' |
|
124 | 123 | ) |
|
125 | 124 | ) |
|
126 | 125 | return False, None |
|
127 | 126 | |
|
128 | 127 | streamreqs = set(streamreqs.split(b',')) |
|
129 | 128 | # Server requires something we don't support. Bail. |
|
130 | 129 | missingreqs = streamreqs - repo.supported |
|
131 | 130 | if missingreqs: |
|
132 | 131 | pullop.repo.ui.warn( |
|
133 | 132 | _( |
|
134 | 133 | b'warning: stream clone requested but client is missing ' |
|
135 | 134 | b'requirements: %s\n' |
|
136 | 135 | ) |
|
137 | 136 | % b', '.join(sorted(missingreqs)) |
|
138 | 137 | ) |
|
139 | 138 | pullop.repo.ui.warn( |
|
140 | 139 | _( |
|
141 | 140 | b'(see https://www.mercurial-scm.org/wiki/MissingRequirement ' |
|
142 | 141 | b'for more information)\n' |
|
143 | 142 | ) |
|
144 | 143 | ) |
|
145 | 144 | return False, None |
|
146 | 145 | requirements = streamreqs |
|
147 | 146 | |
|
148 | 147 | return True, requirements |
|
149 | 148 | |
|
150 | 149 | |
|
151 | 150 | def maybeperformlegacystreamclone(pullop): |
|
152 | 151 | """Possibly perform a legacy stream clone operation. |
|
153 | 152 | |
|
154 | 153 | Legacy stream clones are performed as part of pull but before all other |
|
155 | 154 | operations. |
|
156 | 155 | |
|
157 | 156 | A legacy stream clone will not be performed if a bundle2 stream clone is |
|
158 | 157 | supported. |
|
159 | 158 | """ |
|
160 | 159 | from . import localrepo |
|
161 | 160 | |
|
162 | 161 | supported, requirements = canperformstreamclone(pullop) |
|
163 | 162 | |
|
164 | 163 | if not supported: |
|
165 | 164 | return |
|
166 | 165 | |
|
167 | 166 | repo = pullop.repo |
|
168 | 167 | remote = pullop.remote |
|
169 | 168 | |
|
170 | 169 | # Save remote branchmap. We will use it later to speed up branchcache |
|
171 | 170 | # creation. |
|
172 | 171 | rbranchmap = None |
|
173 | 172 | if remote.capable(b'branchmap'): |
|
174 | 173 | with remote.commandexecutor() as e: |
|
175 | 174 | rbranchmap = e.callcommand(b'branchmap', {}).result() |
|
176 | 175 | |
|
177 | 176 | repo.ui.status(_(b'streaming all changes\n')) |
|
178 | 177 | |
|
179 | 178 | with remote.commandexecutor() as e: |
|
180 | 179 | fp = e.callcommand(b'stream_out', {}).result() |
|
181 | 180 | |
|
182 | 181 | # TODO strictly speaking, this code should all be inside the context |
|
183 | 182 | # manager because the context manager is supposed to ensure all wire state |
|
184 | 183 | # is flushed when exiting. But the legacy peers don't do this, so it |
|
185 | 184 | # doesn't matter. |
|
186 | 185 | l = fp.readline() |
|
187 | 186 | try: |
|
188 | 187 | resp = int(l) |
|
189 | 188 | except ValueError: |
|
190 | 189 | raise error.ResponseError( |
|
191 | 190 | _(b'unexpected response from remote server:'), l |
|
192 | 191 | ) |
|
193 | 192 | if resp == 1: |
|
194 | 193 | raise error.Abort(_(b'operation forbidden by server')) |
|
195 | 194 | elif resp == 2: |
|
196 | 195 | raise error.Abort(_(b'locking the remote repository failed')) |
|
197 | 196 | elif resp != 0: |
|
198 | 197 | raise error.Abort(_(b'the server sent an unknown error code')) |
|
199 | 198 | |
|
200 | 199 | l = fp.readline() |
|
201 | 200 | try: |
|
202 | 201 | filecount, bytecount = map(int, l.split(b' ', 1)) |
|
203 | 202 | except (ValueError, TypeError): |
|
204 | 203 | raise error.ResponseError( |
|
205 | 204 | _(b'unexpected response from remote server:'), l |
|
206 | 205 | ) |
|
207 | 206 | |
|
208 | 207 | with repo.lock(): |
|
209 | 208 | consumev1(repo, fp, filecount, bytecount) |
|
210 | 209 | repo.requirements = new_stream_clone_requirements( |
|
211 | 210 | repo.requirements, |
|
212 | 211 | requirements, |
|
213 | 212 | ) |
|
214 | 213 | repo.svfs.options = localrepo.resolvestorevfsoptions( |
|
215 | 214 | repo.ui, repo.requirements, repo.features |
|
216 | 215 | ) |
|
217 | 216 | scmutil.writereporequirements(repo) |
|
218 | 217 | nodemap.post_stream_cleanup(repo) |
|
219 | 218 | |
|
220 | 219 | if rbranchmap: |
|
221 | 220 | repo._branchcaches.replace(repo, rbranchmap) |
|
222 | 221 | |
|
223 | 222 | repo.invalidate() |
|
224 | 223 | |
|
225 | 224 | |
|
226 | 225 | def allowservergeneration(repo): |
|
227 | 226 | """Whether streaming clones are allowed from the server.""" |
|
228 | 227 | if repository.REPO_FEATURE_STREAM_CLONE not in repo.features: |
|
229 | 228 | return False |
|
230 | 229 | |
|
231 | 230 | if not repo.ui.configbool(b'server', b'uncompressed', untrusted=True): |
|
232 | 231 | return False |
|
233 | 232 | |
|
234 | 233 | # The way stream clone works makes it impossible to hide secret changesets. |
|
235 | 234 | # So don't allow this by default. |
|
236 | 235 | secret = phases.hassecret(repo) |
|
237 | 236 | if secret: |
|
238 | 237 | return repo.ui.configbool(b'server', b'uncompressedallowsecret') |
|
239 | 238 | |
|
240 | 239 | return True |
|
241 | 240 | |
|
242 | 241 | |
|
243 | 242 | # This is it's own function so extensions can override it. |
|
244 | 243 | def _walkstreamfiles(repo, matcher=None, phase=False, obsolescence=False): |
|
245 | 244 | return repo.store.walk(matcher, phase=phase, obsolescence=obsolescence) |
|
246 | 245 | |
|
247 | 246 | |
|
248 | 247 | def generatev1(repo): |
|
249 | 248 | """Emit content for version 1 of a streaming clone. |
|
250 | 249 | |
|
251 | 250 | This returns a 3-tuple of (file count, byte size, data iterator). |
|
252 | 251 | |
|
253 | 252 | The data iterator consists of N entries for each file being transferred. |
|
254 | 253 | Each file entry starts as a line with the file name and integer size |
|
255 | 254 | delimited by a null byte. |
|
256 | 255 | |
|
257 | 256 | The raw file data follows. Following the raw file data is the next file |
|
258 | 257 | entry, or EOF. |
|
259 | 258 | |
|
260 | 259 | When used on the wire protocol, an additional line indicating protocol |
|
261 | 260 | success will be prepended to the stream. This function is not responsible |
|
262 | 261 | for adding it. |
|
263 | 262 | |
|
264 | 263 | This function will obtain a repository lock to ensure a consistent view of |
|
265 | 264 | the store is captured. It therefore may raise LockError. |
|
266 | 265 | """ |
|
267 | 266 | entries = [] |
|
268 | 267 | total_bytes = 0 |
|
269 | 268 | # Get consistent snapshot of repo, lock during scan. |
|
270 | 269 | with repo.lock(): |
|
271 | 270 | repo.ui.debug(b'scanning\n') |
|
272 | 271 | for entry in _walkstreamfiles(repo): |
|
273 | 272 | for f in entry.files(): |
|
274 | 273 | file_size = f.file_size(repo.store.vfs) |
|
275 | 274 | if file_size: |
|
276 | 275 | entries.append((f.unencoded_path, file_size)) |
|
277 | 276 | total_bytes += file_size |
|
278 | 277 | _test_sync_point_walk_1(repo) |
|
279 | 278 | _test_sync_point_walk_2(repo) |
|
280 | 279 | |
|
281 | 280 | repo.ui.debug( |
|
282 | 281 | b'%d files, %d bytes to transfer\n' % (len(entries), total_bytes) |
|
283 | 282 | ) |
|
284 | 283 | |
|
285 | 284 | svfs = repo.svfs |
|
286 | 285 | debugflag = repo.ui.debugflag |
|
287 | 286 | |
|
288 | 287 | def emitrevlogdata(): |
|
289 | 288 | for name, size in entries: |
|
290 | 289 | if debugflag: |
|
291 | 290 | repo.ui.debug(b'sending %s (%d bytes)\n' % (name, size)) |
|
292 | 291 | # partially encode name over the wire for backwards compat |
|
293 | 292 | yield b'%s\0%d\n' % (store.encodedir(name), size) |
|
294 | 293 | # auditing at this stage is both pointless (paths are already |
|
295 | 294 | # trusted by the local repo) and expensive |
|
296 | 295 | with svfs(name, b'rb', auditpath=False) as fp: |
|
297 | 296 | if size <= 65536: |
|
298 | 297 | yield fp.read(size) |
|
299 | 298 | else: |
|
300 | 299 | for chunk in util.filechunkiter(fp, limit=size): |
|
301 | 300 | yield chunk |
|
302 | 301 | |
|
303 | 302 | return len(entries), total_bytes, emitrevlogdata() |
|
304 | 303 | |
|
305 | 304 | |
|
306 | 305 | def generatev1wireproto(repo): |
|
307 | 306 | """Emit content for version 1 of streaming clone suitable for the wire. |
|
308 | 307 | |
|
309 | 308 | This is the data output from ``generatev1()`` with 2 header lines. The |
|
310 | 309 | first line indicates overall success. The 2nd contains the file count and |
|
311 | 310 | byte size of payload. |
|
312 | 311 | |
|
313 | 312 | The success line contains "0" for success, "1" for stream generation not |
|
314 | 313 | allowed, and "2" for error locking the repository (possibly indicating |
|
315 | 314 | a permissions error for the server process). |
|
316 | 315 | """ |
|
317 | 316 | if not allowservergeneration(repo): |
|
318 | 317 | yield b'1\n' |
|
319 | 318 | return |
|
320 | 319 | |
|
321 | 320 | try: |
|
322 | 321 | filecount, bytecount, it = generatev1(repo) |
|
323 | 322 | except error.LockError: |
|
324 | 323 | yield b'2\n' |
|
325 | 324 | return |
|
326 | 325 | |
|
327 | 326 | # Indicates successful response. |
|
328 | 327 | yield b'0\n' |
|
329 | 328 | yield b'%d %d\n' % (filecount, bytecount) |
|
330 | 329 | for chunk in it: |
|
331 | 330 | yield chunk |
|
332 | 331 | |
|
333 | 332 | |
|
334 | 333 | def generatebundlev1(repo, compression=b'UN'): |
|
335 | 334 | """Emit content for version 1 of a stream clone bundle. |
|
336 | 335 | |
|
337 | 336 | The first 4 bytes of the output ("HGS1") denote this as stream clone |
|
338 | 337 | bundle version 1. |
|
339 | 338 | |
|
340 | 339 | The next 2 bytes indicate the compression type. Only "UN" is currently |
|
341 | 340 | supported. |
|
342 | 341 | |
|
343 | 342 | The next 16 bytes are two 64-bit big endian unsigned integers indicating |
|
344 | 343 | file count and byte count, respectively. |
|
345 | 344 | |
|
346 | 345 | The next 2 bytes is a 16-bit big endian unsigned short declaring the length |
|
347 | 346 | of the requirements string, including a trailing \0. The following N bytes |
|
348 | 347 | are the requirements string, which is ASCII containing a comma-delimited |
|
349 | 348 | list of repo requirements that are needed to support the data. |
|
350 | 349 | |
|
351 | 350 | The remaining content is the output of ``generatev1()`` (which may be |
|
352 | 351 | compressed in the future). |
|
353 | 352 | |
|
354 | 353 | Returns a tuple of (requirements, data generator). |
|
355 | 354 | """ |
|
356 | 355 | if compression != b'UN': |
|
357 | 356 | raise ValueError(b'we do not support the compression argument yet') |
|
358 | 357 | |
|
359 | 358 | requirements = streamed_requirements(repo) |
|
360 | 359 | requires = b','.join(sorted(requirements)) |
|
361 | 360 | |
|
362 | 361 | def gen(): |
|
363 | 362 | yield b'HGS1' |
|
364 | 363 | yield compression |
|
365 | 364 | |
|
366 | 365 | filecount, bytecount, it = generatev1(repo) |
|
367 | 366 | repo.ui.status( |
|
368 | 367 | _(b'writing %d bytes for %d files\n') % (bytecount, filecount) |
|
369 | 368 | ) |
|
370 | 369 | |
|
371 | 370 | yield struct.pack(b'>QQ', filecount, bytecount) |
|
372 | 371 | yield struct.pack(b'>H', len(requires) + 1) |
|
373 | 372 | yield requires + b'\0' |
|
374 | 373 | |
|
375 | 374 | # This is where we'll add compression in the future. |
|
376 | 375 | assert compression == b'UN' |
|
377 | 376 | |
|
378 | 377 | progress = repo.ui.makeprogress( |
|
379 | 378 | _(b'bundle'), total=bytecount, unit=_(b'bytes') |
|
380 | 379 | ) |
|
381 | 380 | progress.update(0) |
|
382 | 381 | |
|
383 | 382 | for chunk in it: |
|
384 | 383 | progress.increment(step=len(chunk)) |
|
385 | 384 | yield chunk |
|
386 | 385 | |
|
387 | 386 | progress.complete() |
|
388 | 387 | |
|
389 | 388 | return requirements, gen() |
|
390 | 389 | |
|
391 | 390 | |
|
392 | 391 | def consumev1(repo, fp, filecount, bytecount): |
|
393 | 392 | """Apply the contents from version 1 of a streaming clone file handle. |
|
394 | 393 | |
|
395 | 394 | This takes the output from "stream_out" and applies it to the specified |
|
396 | 395 | repository. |
|
397 | 396 | |
|
398 | 397 | Like "stream_out," the status line added by the wire protocol is not |
|
399 | 398 | handled by this function. |
|
400 | 399 | """ |
|
401 | 400 | with repo.lock(): |
|
402 | 401 | repo.ui.status( |
|
403 | 402 | _(b'%d files to transfer, %s of data\n') |
|
404 | 403 | % (filecount, util.bytecount(bytecount)) |
|
405 | 404 | ) |
|
406 | 405 | progress = repo.ui.makeprogress( |
|
407 | 406 | _(b'clone'), total=bytecount, unit=_(b'bytes') |
|
408 | 407 | ) |
|
409 | 408 | progress.update(0) |
|
410 | 409 | start = util.timer() |
|
411 | 410 | |
|
412 | 411 | # TODO: get rid of (potential) inconsistency |
|
413 | 412 | # |
|
414 | 413 | # If transaction is started and any @filecache property is |
|
415 | 414 | # changed at this point, it causes inconsistency between |
|
416 | 415 | # in-memory cached property and streamclone-ed file on the |
|
417 | 416 | # disk. Nested transaction prevents transaction scope "clone" |
|
418 | 417 | # below from writing in-memory changes out at the end of it, |
|
419 | 418 | # even though in-memory changes are discarded at the end of it |
|
420 | 419 | # regardless of transaction nesting. |
|
421 | 420 | # |
|
422 | 421 | # But transaction nesting can't be simply prohibited, because |
|
423 | 422 | # nesting occurs also in ordinary case (e.g. enabling |
|
424 | 423 | # clonebundles). |
|
425 | 424 | |
|
426 | 425 | with repo.transaction(b'clone'): |
|
427 | 426 | with repo.svfs.backgroundclosing(repo.ui, expectedcount=filecount): |
|
428 | 427 | for i in range(filecount): |
|
429 | 428 | # XXX doesn't support '\n' or '\r' in filenames |
|
430 | 429 | l = fp.readline() |
|
431 | 430 | try: |
|
432 | 431 | name, size = l.split(b'\0', 1) |
|
433 | 432 | size = int(size) |
|
434 | 433 | except (ValueError, TypeError): |
|
435 | 434 | raise error.ResponseError( |
|
436 | 435 | _(b'unexpected response from remote server:'), l |
|
437 | 436 | ) |
|
438 | 437 | if repo.ui.debugflag: |
|
439 | 438 | repo.ui.debug( |
|
440 | 439 | b'adding %s (%s)\n' % (name, util.bytecount(size)) |
|
441 | 440 | ) |
|
442 | 441 | # for backwards compat, name was partially encoded |
|
443 | 442 | path = store.decodedir(name) |
|
444 | 443 | with repo.svfs(path, b'w', backgroundclose=True) as ofp: |
|
445 | 444 | for chunk in util.filechunkiter(fp, limit=size): |
|
446 | 445 | progress.increment(step=len(chunk)) |
|
447 | 446 | ofp.write(chunk) |
|
448 | 447 | |
|
449 | 448 | # force @filecache properties to be reloaded from |
|
450 | 449 | # streamclone-ed file at next access |
|
451 | 450 | repo.invalidate(clearfilecache=True) |
|
452 | 451 | |
|
453 | 452 | elapsed = util.timer() - start |
|
454 | 453 | if elapsed <= 0: |
|
455 | 454 | elapsed = 0.001 |
|
456 | 455 | progress.complete() |
|
457 | 456 | repo.ui.status( |
|
458 | 457 | _(b'transferred %s in %.1f seconds (%s/sec)\n') |
|
459 | 458 | % ( |
|
460 | 459 | util.bytecount(bytecount), |
|
461 | 460 | elapsed, |
|
462 | 461 | util.bytecount(bytecount / elapsed), |
|
463 | 462 | ) |
|
464 | 463 | ) |
|
465 | 464 | |
|
466 | 465 | |
|
467 | 466 | def readbundle1header(fp): |
|
468 | 467 | compression = fp.read(2) |
|
469 | 468 | if compression != b'UN': |
|
470 | 469 | raise error.Abort( |
|
471 | 470 | _( |
|
472 | 471 | b'only uncompressed stream clone bundles are ' |
|
473 | 472 | b'supported; got %s' |
|
474 | 473 | ) |
|
475 | 474 | % compression |
|
476 | 475 | ) |
|
477 | 476 | |
|
478 | 477 | filecount, bytecount = struct.unpack(b'>QQ', fp.read(16)) |
|
479 | 478 | requireslen = struct.unpack(b'>H', fp.read(2))[0] |
|
480 | 479 | requires = fp.read(requireslen) |
|
481 | 480 | |
|
482 | 481 | if not requires.endswith(b'\0'): |
|
483 | 482 | raise error.Abort( |
|
484 | 483 | _( |
|
485 | 484 | b'malformed stream clone bundle: ' |
|
486 | 485 | b'requirements not properly encoded' |
|
487 | 486 | ) |
|
488 | 487 | ) |
|
489 | 488 | |
|
490 | 489 | requirements = set(requires.rstrip(b'\0').split(b',')) |
|
491 | 490 | |
|
492 | 491 | return filecount, bytecount, requirements |
|
493 | 492 | |
|
494 | 493 | |
|
495 | 494 | def applybundlev1(repo, fp): |
|
496 | 495 | """Apply the content from a stream clone bundle version 1. |
|
497 | 496 | |
|
498 | 497 | We assume the 4 byte header has been read and validated and the file handle |
|
499 | 498 | is at the 2 byte compression identifier. |
|
500 | 499 | """ |
|
501 | 500 | if len(repo): |
|
502 | 501 | raise error.Abort( |
|
503 | 502 | _(b'cannot apply stream clone bundle on non-empty repo') |
|
504 | 503 | ) |
|
505 | 504 | |
|
506 | 505 | filecount, bytecount, requirements = readbundle1header(fp) |
|
507 | 506 | missingreqs = requirements - repo.supported |
|
508 | 507 | if missingreqs: |
|
509 | 508 | raise error.Abort( |
|
510 | 509 | _(b'unable to apply stream clone: unsupported format: %s') |
|
511 | 510 | % b', '.join(sorted(missingreqs)) |
|
512 | 511 | ) |
|
513 | 512 | |
|
514 | 513 | consumev1(repo, fp, filecount, bytecount) |
|
515 | 514 | nodemap.post_stream_cleanup(repo) |
|
516 | 515 | |
|
517 | 516 | |
|
518 | 517 | class streamcloneapplier: |
|
519 | 518 | """Class to manage applying streaming clone bundles. |
|
520 | 519 | |
|
521 | 520 | We need to wrap ``applybundlev1()`` in a dedicated type to enable bundle |
|
522 | 521 | readers to perform bundle type-specific functionality. |
|
523 | 522 | """ |
|
524 | 523 | |
|
525 | 524 | def __init__(self, fh): |
|
526 | 525 | self._fh = fh |
|
527 | 526 | |
|
528 | 527 | def apply(self, repo): |
|
529 | 528 | return applybundlev1(repo, self._fh) |
|
530 | 529 | |
|
531 | 530 | |
|
532 | 531 | # type of file to stream |
|
533 | 532 | _fileappend = 0 # append only file |
|
534 | 533 | _filefull = 1 # full snapshot file |
|
535 | 534 | |
|
536 | 535 | # Source of the file |
|
537 | 536 | _srcstore = b's' # store (svfs) |
|
538 | 537 | _srccache = b'c' # cache (cache) |
|
539 | 538 | |
|
540 | 539 | # This is it's own function so extensions can override it. |
|
541 | 540 | def _walkstreamfullstorefiles(repo): |
|
542 | 541 | """list snapshot file from the store""" |
|
543 | 542 | fnames = [] |
|
544 | 543 | if not repo.publishing(): |
|
545 | 544 | fnames.append(b'phaseroots') |
|
546 | 545 | return fnames |
|
547 | 546 | |
|
548 | 547 | |
|
549 | 548 | def _filterfull(entry, copy, vfsmap): |
|
550 | 549 | """actually copy the snapshot files""" |
|
551 | 550 | src, name, ftype, data = entry |
|
552 | 551 | if ftype != _filefull: |
|
553 | 552 | return entry |
|
554 | 553 | return (src, name, ftype, copy(vfsmap[src].join(name))) |
|
555 | 554 | |
|
556 | 555 | |
|
557 | 556 | @contextlib.contextmanager |
|
558 | 557 | def maketempcopies(): |
|
559 | 558 | """return a function to temporary copy file""" |
|
560 | 559 | |
|
561 | 560 | files = [] |
|
562 | 561 | dst_dir = pycompat.mkdtemp(prefix=b'hg-clone-') |
|
563 | 562 | try: |
|
564 | 563 | |
|
565 | 564 | def copy(src): |
|
566 | 565 | fd, dst = pycompat.mkstemp( |
|
567 | 566 | prefix=os.path.basename(src), dir=dst_dir |
|
568 | 567 | ) |
|
569 | 568 | os.close(fd) |
|
570 | 569 | files.append(dst) |
|
571 | 570 | util.copyfiles(src, dst, hardlink=True) |
|
572 | 571 | return dst |
|
573 | 572 | |
|
574 | 573 | yield copy |
|
575 | 574 | finally: |
|
576 | 575 | for tmp in files: |
|
577 | 576 | util.tryunlink(tmp) |
|
578 | 577 | util.tryrmdir(dst_dir) |
|
579 | 578 | |
|
580 | 579 | |
|
581 | 580 | def _makemap(repo): |
|
582 | 581 | """make a (src -> vfs) map for the repo""" |
|
583 | 582 | vfsmap = { |
|
584 | 583 | _srcstore: repo.svfs, |
|
585 | 584 | _srccache: repo.cachevfs, |
|
586 | 585 | } |
|
587 | 586 | # we keep repo.vfs out of the on purpose, ther are too many danger there |
|
588 | 587 | # (eg: .hg/hgrc) |
|
589 | 588 | assert repo.vfs not in vfsmap.values() |
|
590 | 589 | |
|
591 | 590 | return vfsmap |
|
592 | 591 | |
|
593 | 592 | |
|
594 | 593 | def _emit2(repo, entries, totalfilesize): |
|
595 | 594 | """actually emit the stream bundle""" |
|
596 | 595 | vfsmap = _makemap(repo) |
|
597 | 596 | # we keep repo.vfs out of the on purpose, ther are too many danger there |
|
598 | 597 | # (eg: .hg/hgrc), |
|
599 | 598 | # |
|
600 | 599 | # this assert is duplicated (from _makemap) as author might think this is |
|
601 | 600 | # fine, while this is really not fine. |
|
602 | 601 | if repo.vfs in vfsmap.values(): |
|
603 | 602 | raise error.ProgrammingError( |
|
604 | 603 | b'repo.vfs must not be added to vfsmap for security reasons' |
|
605 | 604 | ) |
|
606 | 605 | |
|
607 | 606 | progress = repo.ui.makeprogress( |
|
608 | 607 | _(b'bundle'), total=totalfilesize, unit=_(b'bytes') |
|
609 | 608 | ) |
|
610 | 609 | progress.update(0) |
|
611 | 610 | with maketempcopies() as copy, progress: |
|
612 | 611 | # copy is delayed until we are in the try |
|
613 | 612 | entries = [_filterfull(e, copy, vfsmap) for e in entries] |
|
614 | 613 | yield None # this release the lock on the repository |
|
615 | 614 | totalbytecount = 0 |
|
616 | 615 | |
|
617 | 616 | for src, name, ftype, data in entries: |
|
618 | 617 | vfs = vfsmap[src] |
|
619 | 618 | yield src |
|
620 | 619 | yield util.uvarintencode(len(name)) |
|
621 | 620 | if ftype == _fileappend: |
|
622 | 621 | fp = vfs(name) |
|
623 | 622 | size = data |
|
624 | 623 | elif ftype == _filefull: |
|
625 | 624 | fp = open(data, b'rb') |
|
626 | 625 | size = util.fstat(fp).st_size |
|
627 | 626 | bytecount = 0 |
|
628 | 627 | try: |
|
629 | 628 | yield util.uvarintencode(size) |
|
630 | 629 | yield name |
|
631 | 630 | if size <= 65536: |
|
632 | 631 | chunks = (fp.read(size),) |
|
633 | 632 | else: |
|
634 | 633 | chunks = util.filechunkiter(fp, limit=size) |
|
635 | 634 | for chunk in chunks: |
|
636 | 635 | bytecount += len(chunk) |
|
637 | 636 | totalbytecount += len(chunk) |
|
638 | 637 | progress.update(totalbytecount) |
|
639 | 638 | yield chunk |
|
640 | 639 | if bytecount != size: |
|
641 | 640 | # Would most likely be caused by a race due to `hg strip` or |
|
642 | 641 | # a revlog split |
|
643 | 642 | raise error.Abort( |
|
644 | 643 | _( |
|
645 | 644 | b'clone could only read %d bytes from %s, but ' |
|
646 | 645 | b'expected %d bytes' |
|
647 | 646 | ) |
|
648 | 647 | % (bytecount, name, size) |
|
649 | 648 | ) |
|
650 | 649 | finally: |
|
651 | 650 | fp.close() |
|
652 | 651 | |
|
653 | 652 | |
|
654 | 653 | def _test_sync_point_walk_1(repo): |
|
655 | 654 | """a function for synchronisation during tests""" |
|
656 | 655 | |
|
657 | 656 | |
|
658 | 657 | def _test_sync_point_walk_2(repo): |
|
659 | 658 | """a function for synchronisation during tests""" |
|
660 | 659 | |
|
661 | 660 | |
|
662 | 661 | def _entries_walk(repo, includes, excludes, includeobsmarkers): |
|
663 | 662 | """emit a seris of files information useful to clone a repo |
|
664 | 663 | |
|
665 | 664 | return (vfs-key, entry) iterator |
|
666 | 665 | |
|
667 | 666 | Where `entry` is StoreEntry. (used even for cache entries) |
|
668 | 667 | """ |
|
669 | 668 | assert repo._currentlock(repo._lockref) is not None |
|
670 | 669 | |
|
671 | 670 | matcher = None |
|
672 | 671 | if includes or excludes: |
|
673 | 672 | matcher = narrowspec.match(repo.root, includes, excludes) |
|
674 | 673 | |
|
675 | 674 | phase = not repo.publishing() |
|
676 | 675 | entries = _walkstreamfiles( |
|
677 | 676 | repo, |
|
678 | 677 | matcher, |
|
679 | 678 | phase=phase, |
|
680 | 679 | obsolescence=includeobsmarkers, |
|
681 | 680 | ) |
|
682 | 681 | for entry in entries: |
|
683 | 682 | yield (_srcstore, entry) |
|
684 | 683 | |
|
685 | 684 | for name in cacheutil.cachetocopy(repo): |
|
686 | 685 | if repo.cachevfs.exists(name): |
|
687 | 686 | # not really a StoreEntry, but close enough |
|
688 | 687 | entry = store.SimpleStoreEntry( |
|
689 | 688 | entry_path=name, |
|
690 | 689 | is_volatile=True, |
|
691 | 690 | ) |
|
692 | 691 | yield (_srccache, entry) |
|
693 | 692 | |
|
694 | 693 | |
|
695 | 694 | def _v2_walk(repo, includes, excludes, includeobsmarkers): |
|
696 | 695 | """emit a seris of files information useful to clone a repo |
|
697 | 696 | |
|
698 | 697 | return (entries, totalfilesize) |
|
699 | 698 | |
|
700 | 699 | entries is a list of tuple (vfs-key, file-path, file-type, size) |
|
701 | 700 | |
|
702 | 701 | - `vfs-key`: is a key to the right vfs to write the file (see _makemap) |
|
703 | 702 | - `name`: file path of the file to copy (to be feed to the vfss) |
|
704 | 703 | - `file-type`: do this file need to be copied with the source lock ? |
|
705 | 704 | - `size`: the size of the file (or None) |
|
706 | 705 | """ |
|
707 | 706 | assert repo._currentlock(repo._lockref) is not None |
|
708 | 707 | files = [] |
|
709 | 708 | totalfilesize = 0 |
|
710 | 709 | |
|
711 | 710 | vfsmap = _makemap(repo) |
|
712 | 711 | entries = _entries_walk(repo, includes, excludes, includeobsmarkers) |
|
713 | 712 | for vfs_key, entry in entries: |
|
714 | 713 | vfs = vfsmap[vfs_key] |
|
715 | 714 | for f in entry.files(): |
|
716 | 715 | file_size = f.file_size(vfs) |
|
717 | 716 | if file_size: |
|
718 | 717 | ft = _fileappend |
|
719 | 718 | if f.is_volatile: |
|
720 | 719 | ft = _filefull |
|
721 | 720 | files.append((vfs_key, f.unencoded_path, ft, file_size)) |
|
722 | 721 | totalfilesize += file_size |
|
723 | 722 | return files, totalfilesize |
|
724 | 723 | |
|
725 | 724 | |
|
726 | 725 | def generatev2(repo, includes, excludes, includeobsmarkers): |
|
727 | 726 | """Emit content for version 2 of a streaming clone. |
|
728 | 727 | |
|
729 | 728 | the data stream consists the following entries: |
|
730 | 729 | 1) A char representing the file destination (eg: store or cache) |
|
731 | 730 | 2) A varint containing the length of the filename |
|
732 | 731 | 3) A varint containing the length of file data |
|
733 | 732 | 4) N bytes containing the filename (the internal, store-agnostic form) |
|
734 | 733 | 5) N bytes containing the file data |
|
735 | 734 | |
|
736 | 735 | Returns a 3-tuple of (file count, file size, data iterator). |
|
737 | 736 | """ |
|
738 | 737 | |
|
739 | 738 | with repo.lock(): |
|
740 | 739 | |
|
741 | 740 | repo.ui.debug(b'scanning\n') |
|
742 | 741 | |
|
743 | 742 | entries, totalfilesize = _v2_walk( |
|
744 | 743 | repo, |
|
745 | 744 | includes=includes, |
|
746 | 745 | excludes=excludes, |
|
747 | 746 | includeobsmarkers=includeobsmarkers, |
|
748 | 747 | ) |
|
749 | 748 | |
|
750 | 749 | chunks = _emit2(repo, entries, totalfilesize) |
|
751 | 750 | first = next(chunks) |
|
752 | 751 | assert first is None |
|
753 | 752 | _test_sync_point_walk_1(repo) |
|
754 | 753 | _test_sync_point_walk_2(repo) |
|
755 | 754 | |
|
756 | 755 | return len(entries), totalfilesize, chunks |
|
757 | 756 | |
|
758 | 757 | |
|
759 | 758 | @contextlib.contextmanager |
|
760 | 759 | def nested(*ctxs): |
|
761 | 760 | this = ctxs[0] |
|
762 | 761 | rest = ctxs[1:] |
|
763 | 762 | with this: |
|
764 | 763 | if rest: |
|
765 | 764 | with nested(*rest): |
|
766 | 765 | yield |
|
767 | 766 | else: |
|
768 | 767 | yield |
|
769 | 768 | |
|
770 | 769 | |
|
771 | 770 | def consumev2(repo, fp, filecount, filesize): |
|
772 | 771 | """Apply the contents from a version 2 streaming clone. |
|
773 | 772 | |
|
774 | 773 | Data is read from an object that only needs to provide a ``read(size)`` |
|
775 | 774 | method. |
|
776 | 775 | """ |
|
777 | 776 | with repo.lock(): |
|
778 | 777 | repo.ui.status( |
|
779 | 778 | _(b'%d files to transfer, %s of data\n') |
|
780 | 779 | % (filecount, util.bytecount(filesize)) |
|
781 | 780 | ) |
|
782 | 781 | |
|
783 | 782 | start = util.timer() |
|
784 | 783 | progress = repo.ui.makeprogress( |
|
785 | 784 | _(b'clone'), total=filesize, unit=_(b'bytes') |
|
786 | 785 | ) |
|
787 | 786 | progress.update(0) |
|
788 | 787 | |
|
789 | 788 | vfsmap = _makemap(repo) |
|
790 | 789 | # we keep repo.vfs out of the on purpose, ther are too many danger |
|
791 | 790 | # there (eg: .hg/hgrc), |
|
792 | 791 | # |
|
793 | 792 | # this assert is duplicated (from _makemap) as author might think this |
|
794 | 793 | # is fine, while this is really not fine. |
|
795 | 794 | if repo.vfs in vfsmap.values(): |
|
796 | 795 | raise error.ProgrammingError( |
|
797 | 796 | b'repo.vfs must not be added to vfsmap for security reasons' |
|
798 | 797 | ) |
|
799 | 798 | |
|
800 | 799 | with repo.transaction(b'clone'): |
|
801 | 800 | ctxs = (vfs.backgroundclosing(repo.ui) for vfs in vfsmap.values()) |
|
802 | 801 | with nested(*ctxs): |
|
803 | 802 | for i in range(filecount): |
|
804 | 803 | src = util.readexactly(fp, 1) |
|
805 | 804 | vfs = vfsmap[src] |
|
806 | 805 | namelen = util.uvarintdecodestream(fp) |
|
807 | 806 | datalen = util.uvarintdecodestream(fp) |
|
808 | 807 | |
|
809 | 808 | name = util.readexactly(fp, namelen) |
|
810 | 809 | |
|
811 | 810 | if repo.ui.debugflag: |
|
812 | 811 | repo.ui.debug( |
|
813 | 812 | b'adding [%s] %s (%s)\n' |
|
814 | 813 | % (src, name, util.bytecount(datalen)) |
|
815 | 814 | ) |
|
816 | 815 | |
|
817 | 816 | with vfs(name, b'w') as ofp: |
|
818 | 817 | for chunk in util.filechunkiter(fp, limit=datalen): |
|
819 | 818 | progress.increment(step=len(chunk)) |
|
820 | 819 | ofp.write(chunk) |
|
821 | 820 | |
|
822 | 821 | # force @filecache properties to be reloaded from |
|
823 | 822 | # streamclone-ed file at next access |
|
824 | 823 | repo.invalidate(clearfilecache=True) |
|
825 | 824 | |
|
826 | 825 | elapsed = util.timer() - start |
|
827 | 826 | if elapsed <= 0: |
|
828 | 827 | elapsed = 0.001 |
|
829 | 828 | repo.ui.status( |
|
830 | 829 | _(b'transferred %s in %.1f seconds (%s/sec)\n') |
|
831 | 830 | % ( |
|
832 | 831 | util.bytecount(progress.pos), |
|
833 | 832 | elapsed, |
|
834 | 833 | util.bytecount(progress.pos / elapsed), |
|
835 | 834 | ) |
|
836 | 835 | ) |
|
837 | 836 | progress.complete() |
|
838 | 837 | |
|
839 | 838 | |
|
840 | 839 | def applybundlev2(repo, fp, filecount, filesize, requirements): |
|
841 | 840 | from . import localrepo |
|
842 | 841 | |
|
843 | 842 | missingreqs = [r for r in requirements if r not in repo.supported] |
|
844 | 843 | if missingreqs: |
|
845 | 844 | raise error.Abort( |
|
846 | 845 | _(b'unable to apply stream clone: unsupported format: %s') |
|
847 | 846 | % b', '.join(sorted(missingreqs)) |
|
848 | 847 | ) |
|
849 | 848 | |
|
850 | 849 | consumev2(repo, fp, filecount, filesize) |
|
851 | 850 | |
|
852 | 851 | repo.requirements = new_stream_clone_requirements( |
|
853 | 852 | repo.requirements, |
|
854 | 853 | requirements, |
|
855 | 854 | ) |
|
856 | 855 | repo.svfs.options = localrepo.resolvestorevfsoptions( |
|
857 | 856 | repo.ui, repo.requirements, repo.features |
|
858 | 857 | ) |
|
859 | 858 | scmutil.writereporequirements(repo) |
|
860 | 859 | nodemap.post_stream_cleanup(repo) |
|
861 | 860 | |
|
862 | 861 | |
|
863 | 862 | def _copy_files(src_vfs_map, dst_vfs_map, entries, progress): |
|
864 | 863 | hardlink = [True] |
|
865 | 864 | |
|
866 | 865 | def copy_used(): |
|
867 | 866 | hardlink[0] = False |
|
868 | 867 | progress.topic = _(b'copying') |
|
869 | 868 | |
|
870 | 869 | for k, path, size in entries: |
|
871 | 870 | src_vfs = src_vfs_map[k] |
|
872 | 871 | dst_vfs = dst_vfs_map[k] |
|
873 | 872 | src_path = src_vfs.join(path) |
|
874 | 873 | dst_path = dst_vfs.join(path) |
|
875 | 874 | # We cannot use dirname and makedirs of dst_vfs here because the store |
|
876 | 875 | # encoding confuses them. See issue 6581 for details. |
|
877 | 876 | dirname = os.path.dirname(dst_path) |
|
878 | 877 | if not os.path.exists(dirname): |
|
879 | 878 | util.makedirs(dirname) |
|
880 | 879 | dst_vfs.register_file(path) |
|
881 | 880 | # XXX we could use the #nb_bytes argument. |
|
882 | 881 | util.copyfile( |
|
883 | 882 | src_path, |
|
884 | 883 | dst_path, |
|
885 | 884 | hardlink=hardlink[0], |
|
886 | 885 | no_hardlink_cb=copy_used, |
|
887 | 886 | check_fs_hardlink=False, |
|
888 | 887 | ) |
|
889 | 888 | progress.increment() |
|
890 | 889 | return hardlink[0] |
|
891 | 890 | |
|
892 | 891 | |
|
893 | 892 | def local_copy(src_repo, dest_repo): |
|
894 | 893 | """copy all content from one local repository to another |
|
895 | 894 | |
|
896 | 895 | This is useful for local clone""" |
|
897 | 896 | src_store_requirements = { |
|
898 | 897 | r |
|
899 | 898 | for r in src_repo.requirements |
|
900 | 899 | if r not in requirementsmod.WORKING_DIR_REQUIREMENTS |
|
901 | 900 | } |
|
902 | 901 | dest_store_requirements = { |
|
903 | 902 | r |
|
904 | 903 | for r in dest_repo.requirements |
|
905 | 904 | if r not in requirementsmod.WORKING_DIR_REQUIREMENTS |
|
906 | 905 | } |
|
907 | 906 | assert src_store_requirements == dest_store_requirements |
|
908 | 907 | |
|
909 | 908 | with dest_repo.lock(): |
|
910 | 909 | with src_repo.lock(): |
|
911 | 910 | |
|
912 | 911 | # bookmark is not integrated to the streaming as it might use the |
|
913 | 912 | # `repo.vfs` and they are too many sentitive data accessible |
|
914 | 913 | # through `repo.vfs` to expose it to streaming clone. |
|
915 | 914 | src_book_vfs = bookmarks.bookmarksvfs(src_repo) |
|
916 | 915 | srcbookmarks = src_book_vfs.join(b'bookmarks') |
|
917 | 916 | bm_count = 0 |
|
918 | 917 | if os.path.exists(srcbookmarks): |
|
919 | 918 | bm_count = 1 |
|
920 | 919 | |
|
921 | 920 | entries, totalfilesize = _v2_walk( |
|
922 | 921 | src_repo, |
|
923 | 922 | includes=None, |
|
924 | 923 | excludes=None, |
|
925 | 924 | includeobsmarkers=True, |
|
926 | 925 | ) |
|
927 | 926 | src_vfs_map = _makemap(src_repo) |
|
928 | 927 | dest_vfs_map = _makemap(dest_repo) |
|
929 | 928 | progress = src_repo.ui.makeprogress( |
|
930 | 929 | topic=_(b'linking'), |
|
931 | 930 | total=len(entries) + bm_count, |
|
932 | 931 | unit=_(b'files'), |
|
933 | 932 | ) |
|
934 | 933 | # copy files |
|
935 | 934 | # |
|
936 | 935 | # We could copy the full file while the source repository is locked |
|
937 | 936 | # and the other one without the lock. However, in the linking case, |
|
938 | 937 | # this would also requires checks that nobody is appending any data |
|
939 | 938 | # to the files while we do the clone, so this is not done yet. We |
|
940 | 939 | # could do this blindly when copying files. |
|
941 | 940 | files = ((k, path, size) for k, path, ftype, size in entries) |
|
942 | 941 | hardlink = _copy_files(src_vfs_map, dest_vfs_map, files, progress) |
|
943 | 942 | |
|
944 | 943 | # copy bookmarks over |
|
945 | 944 | if bm_count: |
|
946 | 945 | dst_book_vfs = bookmarks.bookmarksvfs(dest_repo) |
|
947 | 946 | dstbookmarks = dst_book_vfs.join(b'bookmarks') |
|
948 | 947 | util.copyfile(srcbookmarks, dstbookmarks) |
|
949 | 948 | progress.complete() |
|
950 | 949 | if hardlink: |
|
951 | 950 | msg = b'linked %d files\n' |
|
952 | 951 | else: |
|
953 | 952 | msg = b'copied %d files\n' |
|
954 | 953 | src_repo.ui.debug(msg % (len(entries) + bm_count)) |
|
955 | 954 | |
|
956 | 955 | with dest_repo.transaction(b"localclone") as tr: |
|
957 | 956 | dest_repo.store.write(tr) |
|
958 | 957 | |
|
959 | 958 | # clean up transaction file as they do not make sense |
|
960 | 959 | transaction.cleanup_undo_files(dest_repo.ui.warn, dest_repo.vfs_map) |
General Comments 0
You need to be logged in to leave comments.
Login now