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@@ -7,17 +7,12 b'' | |||
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7 | 7 | |
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8 | 8 | from __future__ import absolute_import |
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9 | 9 | |
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10 | import contextlib | |
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11 | 10 | import errno |
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12 | 11 | import glob |
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13 | 12 | import hashlib |
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14 | 13 | import os |
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15 | 14 | import re |
|
16 | import shutil | |
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17 | 15 | import socket |
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18 | import stat | |
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19 | import tempfile | |
|
20 | import threading | |
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21 | 16 | |
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22 | 17 | from .i18n import _ |
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23 | 18 | from .node import wdirrev |
@@ -32,6 +27,7 b' from . import (' | |||
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32 | 27 | revsetlang, |
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33 | 28 | similar, |
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34 | 29 | util, |
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30 | vfs as vfsmod, | |
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35 | 31 | ) |
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36 | 32 | |
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37 | 33 | if pycompat.osname == 'nt': |
@@ -336,455 +332,16 b' def filteredhash(repo, maxrev):' | |||
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336 | 332 | key = s.digest() |
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337 | 333 | return key |
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338 | 334 | |
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339 | class abstractvfs(object): | |
|
340 | """Abstract base class; cannot be instantiated""" | |
|
341 | ||
|
342 | def __init__(self, *args, **kwargs): | |
|
343 | '''Prevent instantiation; don't call this from subclasses.''' | |
|
344 | raise NotImplementedError('attempted instantiating ' + str(type(self))) | |
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345 | ||
|
346 | def tryread(self, path): | |
|
347 | '''gracefully return an empty string for missing files''' | |
|
348 | try: | |
|
349 | return self.read(path) | |
|
350 | except IOError as inst: | |
|
351 | if inst.errno != errno.ENOENT: | |
|
352 | raise | |
|
353 | return "" | |
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354 | ||
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355 | def tryreadlines(self, path, mode='rb'): | |
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356 | '''gracefully return an empty array for missing files''' | |
|
357 | try: | |
|
358 | return self.readlines(path, mode=mode) | |
|
359 | except IOError as inst: | |
|
360 | if inst.errno != errno.ENOENT: | |
|
361 | raise | |
|
362 | return [] | |
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363 | ||
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364 | @util.propertycache | |
|
365 | def open(self): | |
|
366 | '''Open ``path`` file, which is relative to vfs root. | |
|
367 | ||
|
368 | Newly created directories are marked as "not to be indexed by | |
|
369 | the content indexing service", if ``notindexed`` is specified | |
|
370 | for "write" mode access. | |
|
371 | ''' | |
|
372 | return self.__call__ | |
|
373 | ||
|
374 | def read(self, path): | |
|
375 | with self(path, 'rb') as fp: | |
|
376 | return fp.read() | |
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377 | ||
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378 | def readlines(self, path, mode='rb'): | |
|
379 | with self(path, mode=mode) as fp: | |
|
380 | return fp.readlines() | |
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381 | ||
|
382 | def write(self, path, data, backgroundclose=False): | |
|
383 | with self(path, 'wb', backgroundclose=backgroundclose) as fp: | |
|
384 | return fp.write(data) | |
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385 | ||
|
386 | def writelines(self, path, data, mode='wb', notindexed=False): | |
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387 | with self(path, mode=mode, notindexed=notindexed) as fp: | |
|
388 | return fp.writelines(data) | |
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389 | ||
|
390 | def append(self, path, data): | |
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391 | with self(path, 'ab') as fp: | |
|
392 | return fp.write(data) | |
|
393 | ||
|
394 | def basename(self, path): | |
|
395 | """return base element of a path (as os.path.basename would do) | |
|
396 | ||
|
397 | This exists to allow handling of strange encoding if needed.""" | |
|
398 | return os.path.basename(path) | |
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399 | ||
|
400 | def chmod(self, path, mode): | |
|
401 | return os.chmod(self.join(path), mode) | |
|
402 | ||
|
403 | def dirname(self, path): | |
|
404 | """return dirname element of a path (as os.path.dirname would do) | |
|
405 | ||
|
406 | This exists to allow handling of strange encoding if needed.""" | |
|
407 | return os.path.dirname(path) | |
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408 | ||
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409 | def exists(self, path=None): | |
|
410 | return os.path.exists(self.join(path)) | |
|
411 | ||
|
412 | def fstat(self, fp): | |
|
413 | return util.fstat(fp) | |
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414 | ||
|
415 | def isdir(self, path=None): | |
|
416 | return os.path.isdir(self.join(path)) | |
|
417 | ||
|
418 | def isfile(self, path=None): | |
|
419 | return os.path.isfile(self.join(path)) | |
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420 | ||
|
421 | def islink(self, path=None): | |
|
422 | return os.path.islink(self.join(path)) | |
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423 | ||
|
424 | def isfileorlink(self, path=None): | |
|
425 | '''return whether path is a regular file or a symlink | |
|
426 | ||
|
427 | Unlike isfile, this doesn't follow symlinks.''' | |
|
428 | try: | |
|
429 | st = self.lstat(path) | |
|
430 | except OSError: | |
|
431 | return False | |
|
432 | mode = st.st_mode | |
|
433 | return stat.S_ISREG(mode) or stat.S_ISLNK(mode) | |
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434 | ||
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435 | def reljoin(self, *paths): | |
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436 | """join various elements of a path together (as os.path.join would do) | |
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437 | ||
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438 | The vfs base is not injected so that path stay relative. This exists | |
|
439 | to allow handling of strange encoding if needed.""" | |
|
440 | return os.path.join(*paths) | |
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441 | ||
|
442 | def split(self, path): | |
|
443 | """split top-most element of a path (as os.path.split would do) | |
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444 | ||
|
445 | This exists to allow handling of strange encoding if needed.""" | |
|
446 | return os.path.split(path) | |
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447 | ||
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448 | def lexists(self, path=None): | |
|
449 | return os.path.lexists(self.join(path)) | |
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450 | ||
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451 | def lstat(self, path=None): | |
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452 | return os.lstat(self.join(path)) | |
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453 | ||
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454 | def listdir(self, path=None): | |
|
455 | return os.listdir(self.join(path)) | |
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456 | ||
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457 | def makedir(self, path=None, notindexed=True): | |
|
458 | return util.makedir(self.join(path), notindexed) | |
|
459 | ||
|
460 | def makedirs(self, path=None, mode=None): | |
|
461 | return util.makedirs(self.join(path), mode) | |
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462 | ||
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463 | def makelock(self, info, path): | |
|
464 | return util.makelock(info, self.join(path)) | |
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465 | ||
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466 | def mkdir(self, path=None): | |
|
467 | return os.mkdir(self.join(path)) | |
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468 | ||
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469 | def mkstemp(self, suffix='', prefix='tmp', dir=None, text=False): | |
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470 | fd, name = tempfile.mkstemp(suffix=suffix, prefix=prefix, | |
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471 | dir=self.join(dir), text=text) | |
|
472 | dname, fname = util.split(name) | |
|
473 | if dir: | |
|
474 | return fd, os.path.join(dir, fname) | |
|
475 | else: | |
|
476 | return fd, fname | |
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477 | ||
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478 | def readdir(self, path=None, stat=None, skip=None): | |
|
479 | return osutil.listdir(self.join(path), stat, skip) | |
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480 | ||
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481 | def readlock(self, path): | |
|
482 | return util.readlock(self.join(path)) | |
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483 | ||
|
484 | def rename(self, src, dst, checkambig=False): | |
|
485 | """Rename from src to dst | |
|
486 | ||
|
487 | checkambig argument is used with util.filestat, and is useful | |
|
488 | only if destination file is guarded by any lock | |
|
489 | (e.g. repo.lock or repo.wlock). | |
|
490 | """ | |
|
491 | dstpath = self.join(dst) | |
|
492 | oldstat = checkambig and util.filestat(dstpath) | |
|
493 | if oldstat and oldstat.stat: | |
|
494 | ret = util.rename(self.join(src), dstpath) | |
|
495 | newstat = util.filestat(dstpath) | |
|
496 | if newstat.isambig(oldstat): | |
|
497 | # stat of renamed file is ambiguous to original one | |
|
498 | newstat.avoidambig(dstpath, oldstat) | |
|
499 | return ret | |
|
500 | return util.rename(self.join(src), dstpath) | |
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501 | ||
|
502 | def readlink(self, path): | |
|
503 | return os.readlink(self.join(path)) | |
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504 | ||
|
505 | def removedirs(self, path=None): | |
|
506 | """Remove a leaf directory and all empty intermediate ones | |
|
507 | """ | |
|
508 | return util.removedirs(self.join(path)) | |
|
509 | ||
|
510 | def rmtree(self, path=None, ignore_errors=False, forcibly=False): | |
|
511 | """Remove a directory tree recursively | |
|
512 | ||
|
513 | If ``forcibly``, this tries to remove READ-ONLY files, too. | |
|
514 | """ | |
|
515 | if forcibly: | |
|
516 | def onerror(function, path, excinfo): | |
|
517 | if function is not os.remove: | |
|
518 | raise | |
|
519 | # read-only files cannot be unlinked under Windows | |
|
520 | s = os.stat(path) | |
|
521 | if (s.st_mode & stat.S_IWRITE) != 0: | |
|
522 | raise | |
|
523 | os.chmod(path, stat.S_IMODE(s.st_mode) | stat.S_IWRITE) | |
|
524 | os.remove(path) | |
|
525 | else: | |
|
526 | onerror = None | |
|
527 | return shutil.rmtree(self.join(path), | |
|
528 | ignore_errors=ignore_errors, onerror=onerror) | |
|
529 | ||
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530 | def setflags(self, path, l, x): | |
|
531 | return util.setflags(self.join(path), l, x) | |
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532 | ||
|
533 | def stat(self, path=None): | |
|
534 | return os.stat(self.join(path)) | |
|
535 | ||
|
536 | def unlink(self, path=None): | |
|
537 | return util.unlink(self.join(path)) | |
|
538 | ||
|
539 | def unlinkpath(self, path=None, ignoremissing=False): | |
|
540 | return util.unlinkpath(self.join(path), ignoremissing) | |
|
541 | ||
|
542 | def utime(self, path=None, t=None): | |
|
543 | return os.utime(self.join(path), t) | |
|
544 | ||
|
545 | def walk(self, path=None, onerror=None): | |
|
546 | """Yield (dirpath, dirs, files) tuple for each directories under path | |
|
547 | ||
|
548 | ``dirpath`` is relative one from the root of this vfs. This | |
|
549 | uses ``os.sep`` as path separator, even you specify POSIX | |
|
550 | style ``path``. | |
|
551 | ||
|
552 | "The root of this vfs" is represented as empty ``dirpath``. | |
|
553 | """ | |
|
554 | root = os.path.normpath(self.join(None)) | |
|
555 | # when dirpath == root, dirpath[prefixlen:] becomes empty | |
|
556 | # because len(dirpath) < prefixlen. | |
|
557 | prefixlen = len(pathutil.normasprefix(root)) | |
|
558 | for dirpath, dirs, files in os.walk(self.join(path), onerror=onerror): | |
|
559 | yield (dirpath[prefixlen:], dirs, files) | |
|
560 | ||
|
561 | @contextlib.contextmanager | |
|
562 | def backgroundclosing(self, ui, expectedcount=-1): | |
|
563 | """Allow files to be closed asynchronously. | |
|
564 | ||
|
565 | When this context manager is active, ``backgroundclose`` can be passed | |
|
566 | to ``__call__``/``open`` to result in the file possibly being closed | |
|
567 | asynchronously, on a background thread. | |
|
568 | """ | |
|
569 | # This is an arbitrary restriction and could be changed if we ever | |
|
570 | # have a use case. | |
|
571 | vfs = getattr(self, 'vfs', self) | |
|
572 | if getattr(vfs, '_backgroundfilecloser', None): | |
|
573 | raise error.Abort( | |
|
574 | _('can only have 1 active background file closer')) | |
|
575 | ||
|
576 | with backgroundfilecloser(ui, expectedcount=expectedcount) as bfc: | |
|
577 | try: | |
|
578 | vfs._backgroundfilecloser = bfc | |
|
579 | yield bfc | |
|
580 | finally: | |
|
581 | vfs._backgroundfilecloser = None | |
|
582 | ||
|
583 | class vfs(abstractvfs): | |
|
584 | '''Operate files relative to a base directory | |
|
585 | ||
|
586 | This class is used to hide the details of COW semantics and | |
|
587 | remote file access from higher level code. | |
|
588 | ''' | |
|
589 | def __init__(self, base, audit=True, expandpath=False, realpath=False): | |
|
590 | if expandpath: | |
|
591 | base = util.expandpath(base) | |
|
592 | if realpath: | |
|
593 | base = os.path.realpath(base) | |
|
594 | self.base = base | |
|
595 | self.mustaudit = audit | |
|
596 | self.createmode = None | |
|
597 | self._trustnlink = None | |
|
598 | ||
|
599 | @property | |
|
600 | def mustaudit(self): | |
|
601 | return self._audit | |
|
602 | ||
|
603 | @mustaudit.setter | |
|
604 | def mustaudit(self, onoff): | |
|
605 | self._audit = onoff | |
|
606 | if onoff: | |
|
607 | self.audit = pathutil.pathauditor(self.base) | |
|
608 | else: | |
|
609 | self.audit = util.always | |
|
610 | ||
|
611 | @util.propertycache | |
|
612 | def _cansymlink(self): | |
|
613 | return util.checklink(self.base) | |
|
614 | ||
|
615 | @util.propertycache | |
|
616 | def _chmod(self): | |
|
617 | return util.checkexec(self.base) | |
|
618 | ||
|
619 | def _fixfilemode(self, name): | |
|
620 | if self.createmode is None or not self._chmod: | |
|
621 | return | |
|
622 | os.chmod(name, self.createmode & 0o666) | |
|
623 | ||
|
624 | def __call__(self, path, mode="r", text=False, atomictemp=False, | |
|
625 | notindexed=False, backgroundclose=False, checkambig=False): | |
|
626 | '''Open ``path`` file, which is relative to vfs root. | |
|
627 | ||
|
628 | Newly created directories are marked as "not to be indexed by | |
|
629 | the content indexing service", if ``notindexed`` is specified | |
|
630 | for "write" mode access. | |
|
631 | ||
|
632 | If ``backgroundclose`` is passed, the file may be closed asynchronously. | |
|
633 | It can only be used if the ``self.backgroundclosing()`` context manager | |
|
634 | is active. This should only be specified if the following criteria hold: | |
|
635 | ||
|
636 | 1. There is a potential for writing thousands of files. Unless you | |
|
637 | are writing thousands of files, the performance benefits of | |
|
638 | asynchronously closing files is not realized. | |
|
639 | 2. Files are opened exactly once for the ``backgroundclosing`` | |
|
640 | active duration and are therefore free of race conditions between | |
|
641 | closing a file on a background thread and reopening it. (If the | |
|
642 | file were opened multiple times, there could be unflushed data | |
|
643 | because the original file handle hasn't been flushed/closed yet.) | |
|
644 | ||
|
645 | ``checkambig`` argument is passed to atomictemplfile (valid | |
|
646 | only for writing), and is useful only if target file is | |
|
647 | guarded by any lock (e.g. repo.lock or repo.wlock). | |
|
648 | ''' | |
|
649 | if self._audit: | |
|
650 | r = util.checkosfilename(path) | |
|
651 | if r: | |
|
652 | raise error.Abort("%s: %r" % (r, path)) | |
|
653 | self.audit(path) | |
|
654 | f = self.join(path) | |
|
655 | ||
|
656 | if not text and "b" not in mode: | |
|
657 | mode += "b" # for that other OS | |
|
658 | ||
|
659 | nlink = -1 | |
|
660 | if mode not in ('r', 'rb'): | |
|
661 | dirname, basename = util.split(f) | |
|
662 | # If basename is empty, then the path is malformed because it points | |
|
663 | # to a directory. Let the posixfile() call below raise IOError. | |
|
664 | if basename: | |
|
665 | if atomictemp: | |
|
666 | util.makedirs(dirname, self.createmode, notindexed) | |
|
667 | return util.atomictempfile(f, mode, self.createmode, | |
|
668 | checkambig=checkambig) | |
|
669 | try: | |
|
670 | if 'w' in mode: | |
|
671 | util.unlink(f) | |
|
672 | nlink = 0 | |
|
673 | else: | |
|
674 | # nlinks() may behave differently for files on Windows | |
|
675 | # shares if the file is open. | |
|
676 | with util.posixfile(f): | |
|
677 | nlink = util.nlinks(f) | |
|
678 | if nlink < 1: | |
|
679 | nlink = 2 # force mktempcopy (issue1922) | |
|
680 | except (OSError, IOError) as e: | |
|
681 | if e.errno != errno.ENOENT: | |
|
682 | raise | |
|
683 | nlink = 0 | |
|
684 | util.makedirs(dirname, self.createmode, notindexed) | |
|
685 | if nlink > 0: | |
|
686 | if self._trustnlink is None: | |
|
687 | self._trustnlink = nlink > 1 or util.checknlink(f) | |
|
688 | if nlink > 1 or not self._trustnlink: | |
|
689 | util.rename(util.mktempcopy(f), f) | |
|
690 | fp = util.posixfile(f, mode) | |
|
691 | if nlink == 0: | |
|
692 | self._fixfilemode(f) | |
|
693 | ||
|
694 | if checkambig: | |
|
695 | if mode in ('r', 'rb'): | |
|
696 | raise error.Abort(_('implementation error: mode %s is not' | |
|
697 | ' valid for checkambig=True') % mode) | |
|
698 | fp = checkambigatclosing(fp) | |
|
699 | ||
|
700 | if backgroundclose: | |
|
701 | if not self._backgroundfilecloser: | |
|
702 | raise error.Abort(_('backgroundclose can only be used when a ' | |
|
703 | 'backgroundclosing context manager is active') | |
|
704 | ) | |
|
705 | ||
|
706 | fp = delayclosedfile(fp, self._backgroundfilecloser) | |
|
707 | ||
|
708 | return fp | |
|
709 | ||
|
710 | def symlink(self, src, dst): | |
|
711 | self.audit(dst) | |
|
712 | linkname = self.join(dst) | |
|
713 | try: | |
|
714 | os.unlink(linkname) | |
|
715 | except OSError: | |
|
716 | pass | |
|
717 | ||
|
718 | util.makedirs(os.path.dirname(linkname), self.createmode) | |
|
719 | ||
|
720 | if self._cansymlink: | |
|
721 | try: | |
|
722 | os.symlink(src, linkname) | |
|
723 | except OSError as err: | |
|
724 | raise OSError(err.errno, _('could not symlink to %r: %s') % | |
|
725 | (src, err.strerror), linkname) | |
|
726 | else: | |
|
727 | self.write(dst, src) | |
|
728 | ||
|
729 | def join(self, path, *insidef): | |
|
730 | if path: | |
|
731 | return os.path.join(self.base, path, *insidef) | |
|
732 | else: | |
|
733 | return self.base | |
|
734 | ||
|
735 | opener = vfs | |
|
736 | ||
|
737 | class auditvfs(object): | |
|
738 | def __init__(self, vfs): | |
|
739 | self.vfs = vfs | |
|
740 | ||
|
741 | @property | |
|
742 | def mustaudit(self): | |
|
743 | return self.vfs.mustaudit | |
|
744 | ||
|
745 | @mustaudit.setter | |
|
746 | def mustaudit(self, onoff): | |
|
747 | self.vfs.mustaudit = onoff | |
|
748 | ||
|
749 | @property | |
|
750 | def options(self): | |
|
751 | return self.vfs.options | |
|
752 | ||
|
753 | @options.setter | |
|
754 | def options(self, value): | |
|
755 | self.vfs.options = value | |
|
756 | ||
|
757 | class filtervfs(abstractvfs, auditvfs): | |
|
758 | '''Wrapper vfs for filtering filenames with a function.''' | |
|
759 | ||
|
760 | def __init__(self, vfs, filter): | |
|
761 | auditvfs.__init__(self, vfs) | |
|
762 | self._filter = filter | |
|
763 | ||
|
764 | def __call__(self, path, *args, **kwargs): | |
|
765 | return self.vfs(self._filter(path), *args, **kwargs) | |
|
766 | ||
|
767 | def join(self, path, *insidef): | |
|
768 | if path: | |
|
769 | return self.vfs.join(self._filter(self.vfs.reljoin(path, *insidef))) | |
|
770 | else: | |
|
771 | return self.vfs.join(path) | |
|
772 | ||
|
773 | filteropener = filtervfs | |
|
774 | ||
|
775 | class readonlyvfs(abstractvfs, auditvfs): | |
|
776 | '''Wrapper vfs preventing any writing.''' | |
|
777 | ||
|
778 | def __init__(self, vfs): | |
|
779 | auditvfs.__init__(self, vfs) | |
|
780 | ||
|
781 | def __call__(self, path, mode='r', *args, **kw): | |
|
782 | if mode not in ('r', 'rb'): | |
|
783 | raise error.Abort(_('this vfs is read only')) | |
|
784 | return self.vfs(path, mode, *args, **kw) | |
|
785 | ||
|
786 | def join(self, path, *insidef): | |
|
787 | return self.vfs.join(path, *insidef) | |
|
335 | # compatibility layer since all 'vfs' code moved to 'mercurial.vfs' | |
|
336 | # | |
|
337 | # This is hard to instal deprecation warning to this since we do not have | |
|
338 | # access to a 'ui' object. | |
|
339 | opener = vfs = vfsmod.vfs | |
|
340 | filteropener = filtervfs = vfsmod.filtervfs | |
|
341 | abstractvfs = vfsmod.abstractvfs | |
|
342 | readonlyvfs = vfsmod.readonlyvfs | |
|
343 | auditvfs = vfsmod.auditvfs | |
|
344 | checkambigatclosing = vfsmod.checkambigatclosing | |
|
788 | 345 | |
|
789 | 346 | def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
|
790 | 347 | '''yield every hg repository under path, always recursively. |
@@ -1408,165 +965,3 b' def gddeltaconfig(ui):' | |||
|
1408 | 965 | """ |
|
1409 | 966 | # experimental config: format.generaldelta |
|
1410 | 967 | return ui.configbool('format', 'generaldelta', False) |
|
1411 | ||
|
1412 | class closewrapbase(object): | |
|
1413 | """Base class of wrapper, which hooks closing | |
|
1414 | ||
|
1415 | Do not instantiate outside of the vfs layer. | |
|
1416 | """ | |
|
1417 | def __init__(self, fh): | |
|
1418 | object.__setattr__(self, '_origfh', fh) | |
|
1419 | ||
|
1420 | def __getattr__(self, attr): | |
|
1421 | return getattr(self._origfh, attr) | |
|
1422 | ||
|
1423 | def __setattr__(self, attr, value): | |
|
1424 | return setattr(self._origfh, attr, value) | |
|
1425 | ||
|
1426 | def __delattr__(self, attr): | |
|
1427 | return delattr(self._origfh, attr) | |
|
1428 | ||
|
1429 | def __enter__(self): | |
|
1430 | return self._origfh.__enter__() | |
|
1431 | ||
|
1432 | def __exit__(self, exc_type, exc_value, exc_tb): | |
|
1433 | raise NotImplementedError('attempted instantiating ' + str(type(self))) | |
|
1434 | ||
|
1435 | def close(self): | |
|
1436 | raise NotImplementedError('attempted instantiating ' + str(type(self))) | |
|
1437 | ||
|
1438 | class delayclosedfile(closewrapbase): | |
|
1439 | """Proxy for a file object whose close is delayed. | |
|
1440 | ||
|
1441 | Do not instantiate outside of the vfs layer. | |
|
1442 | """ | |
|
1443 | def __init__(self, fh, closer): | |
|
1444 | super(delayclosedfile, self).__init__(fh) | |
|
1445 | object.__setattr__(self, '_closer', closer) | |
|
1446 | ||
|
1447 | def __exit__(self, exc_type, exc_value, exc_tb): | |
|
1448 | self._closer.close(self._origfh) | |
|
1449 | ||
|
1450 | def close(self): | |
|
1451 | self._closer.close(self._origfh) | |
|
1452 | ||
|
1453 | class backgroundfilecloser(object): | |
|
1454 | """Coordinates background closing of file handles on multiple threads.""" | |
|
1455 | def __init__(self, ui, expectedcount=-1): | |
|
1456 | self._running = False | |
|
1457 | self._entered = False | |
|
1458 | self._threads = [] | |
|
1459 | self._threadexception = None | |
|
1460 | ||
|
1461 | # Only Windows/NTFS has slow file closing. So only enable by default | |
|
1462 | # on that platform. But allow to be enabled elsewhere for testing. | |
|
1463 | defaultenabled = pycompat.osname == 'nt' | |
|
1464 | enabled = ui.configbool('worker', 'backgroundclose', defaultenabled) | |
|
1465 | ||
|
1466 | if not enabled: | |
|
1467 | return | |
|
1468 | ||
|
1469 | # There is overhead to starting and stopping the background threads. | |
|
1470 | # Don't do background processing unless the file count is large enough | |
|
1471 | # to justify it. | |
|
1472 | minfilecount = ui.configint('worker', 'backgroundcloseminfilecount', | |
|
1473 | 2048) | |
|
1474 | # FUTURE dynamically start background threads after minfilecount closes. | |
|
1475 | # (We don't currently have any callers that don't know their file count) | |
|
1476 | if expectedcount > 0 and expectedcount < minfilecount: | |
|
1477 | return | |
|
1478 | ||
|
1479 | # Windows defaults to a limit of 512 open files. A buffer of 128 | |
|
1480 | # should give us enough headway. | |
|
1481 | maxqueue = ui.configint('worker', 'backgroundclosemaxqueue', 384) | |
|
1482 | threadcount = ui.configint('worker', 'backgroundclosethreadcount', 4) | |
|
1483 | ||
|
1484 | ui.debug('starting %d threads for background file closing\n' % | |
|
1485 | threadcount) | |
|
1486 | ||
|
1487 | self._queue = util.queue(maxsize=maxqueue) | |
|
1488 | self._running = True | |
|
1489 | ||
|
1490 | for i in range(threadcount): | |
|
1491 | t = threading.Thread(target=self._worker, name='backgroundcloser') | |
|
1492 | self._threads.append(t) | |
|
1493 | t.start() | |
|
1494 | ||
|
1495 | def __enter__(self): | |
|
1496 | self._entered = True | |
|
1497 | return self | |
|
1498 | ||
|
1499 | def __exit__(self, exc_type, exc_value, exc_tb): | |
|
1500 | self._running = False | |
|
1501 | ||
|
1502 | # Wait for threads to finish closing so open files don't linger for | |
|
1503 | # longer than lifetime of context manager. | |
|
1504 | for t in self._threads: | |
|
1505 | t.join() | |
|
1506 | ||
|
1507 | def _worker(self): | |
|
1508 | """Main routine for worker thread.""" | |
|
1509 | while True: | |
|
1510 | try: | |
|
1511 | fh = self._queue.get(block=True, timeout=0.100) | |
|
1512 | # Need to catch or the thread will terminate and | |
|
1513 | # we could orphan file descriptors. | |
|
1514 | try: | |
|
1515 | fh.close() | |
|
1516 | except Exception as e: | |
|
1517 | # Stash so can re-raise from main thread later. | |
|
1518 | self._threadexception = e | |
|
1519 | except util.empty: | |
|
1520 | if not self._running: | |
|
1521 | break | |
|
1522 | ||
|
1523 | def close(self, fh): | |
|
1524 | """Schedule a file for closing.""" | |
|
1525 | if not self._entered: | |
|
1526 | raise error.Abort(_('can only call close() when context manager ' | |
|
1527 | 'active')) | |
|
1528 | ||
|
1529 | # If a background thread encountered an exception, raise now so we fail | |
|
1530 | # fast. Otherwise we may potentially go on for minutes until the error | |
|
1531 | # is acted on. | |
|
1532 | if self._threadexception: | |
|
1533 | e = self._threadexception | |
|
1534 | self._threadexception = None | |
|
1535 | raise e | |
|
1536 | ||
|
1537 | # If we're not actively running, close synchronously. | |
|
1538 | if not self._running: | |
|
1539 | fh.close() | |
|
1540 | return | |
|
1541 | ||
|
1542 | self._queue.put(fh, block=True, timeout=None) | |
|
1543 | ||
|
1544 | class checkambigatclosing(closewrapbase): | |
|
1545 | """Proxy for a file object, to avoid ambiguity of file stat | |
|
1546 | ||
|
1547 | See also util.filestat for detail about "ambiguity of file stat". | |
|
1548 | ||
|
1549 | This proxy is useful only if the target file is guarded by any | |
|
1550 | lock (e.g. repo.lock or repo.wlock) | |
|
1551 | ||
|
1552 | Do not instantiate outside of the vfs layer. | |
|
1553 | """ | |
|
1554 | def __init__(self, fh): | |
|
1555 | super(checkambigatclosing, self).__init__(fh) | |
|
1556 | object.__setattr__(self, '_oldstat', util.filestat(fh.name)) | |
|
1557 | ||
|
1558 | def _checkambig(self): | |
|
1559 | oldstat = self._oldstat | |
|
1560 | if oldstat.stat: | |
|
1561 | newstat = util.filestat(self._origfh.name) | |
|
1562 | if newstat.isambig(oldstat): | |
|
1563 | # stat of changed file is ambiguous to original one | |
|
1564 | newstat.avoidambig(self._origfh.name, oldstat) | |
|
1565 | ||
|
1566 | def __exit__(self, exc_type, exc_value, exc_tb): | |
|
1567 | self._origfh.__exit__(exc_type, exc_value, exc_tb) | |
|
1568 | self._checkambig() | |
|
1569 | ||
|
1570 | def close(self): | |
|
1571 | self._origfh.close() | |
|
1572 | self._checkambig() |
This diff has been collapsed as it changes many lines, (938 lines changed) Show them Hide them | |||
@@ -1,341 +1,28 b'' | |||
|
1 | # scmutil.py - Mercurial core utility functions | |
|
1 | # vfs.py - Mercurial 'vfs' classes | |
|
2 | 2 | # |
|
3 | 3 | # Copyright Matt Mackall <mpm@selenic.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 | ||
|
8 | 7 | from __future__ import absolute_import |
|
9 | 8 | |
|
10 | 9 | import contextlib |
|
11 | 10 | import errno |
|
12 | import glob | |
|
13 | import hashlib | |
|
14 | 11 | import os |
|
15 | import re | |
|
16 | 12 | import shutil |
|
17 | import socket | |
|
18 | 13 | import stat |
|
19 | 14 | import tempfile |
|
20 | 15 | import threading |
|
21 | 16 | |
|
22 | 17 | from .i18n import _ |
|
23 | from .node import wdirrev | |
|
24 | 18 | from . import ( |
|
25 | encoding, | |
|
26 | 19 | error, |
|
27 | match as matchmod, | |
|
28 | 20 | osutil, |
|
29 | 21 | pathutil, |
|
30 | phases, | |
|
31 | 22 | pycompat, |
|
32 | revsetlang, | |
|
33 | similar, | |
|
34 | 23 | util, |
|
35 | 24 | ) |
|
36 | 25 | |
|
37 | if pycompat.osname == 'nt': | |
|
38 | from . import scmwindows as scmplatform | |
|
39 | else: | |
|
40 | from . import scmposix as scmplatform | |
|
41 | ||
|
42 | systemrcpath = scmplatform.systemrcpath | |
|
43 | userrcpath = scmplatform.userrcpath | |
|
44 | termsize = scmplatform.termsize | |
|
45 | ||
|
46 | class status(tuple): | |
|
47 | '''Named tuple with a list of files per status. The 'deleted', 'unknown' | |
|
48 | and 'ignored' properties are only relevant to the working copy. | |
|
49 | ''' | |
|
50 | ||
|
51 | __slots__ = () | |
|
52 | ||
|
53 | def __new__(cls, modified, added, removed, deleted, unknown, ignored, | |
|
54 | clean): | |
|
55 | return tuple.__new__(cls, (modified, added, removed, deleted, unknown, | |
|
56 | ignored, clean)) | |
|
57 | ||
|
58 | @property | |
|
59 | def modified(self): | |
|
60 | '''files that have been modified''' | |
|
61 | return self[0] | |
|
62 | ||
|
63 | @property | |
|
64 | def added(self): | |
|
65 | '''files that have been added''' | |
|
66 | return self[1] | |
|
67 | ||
|
68 | @property | |
|
69 | def removed(self): | |
|
70 | '''files that have been removed''' | |
|
71 | return self[2] | |
|
72 | ||
|
73 | @property | |
|
74 | def deleted(self): | |
|
75 | '''files that are in the dirstate, but have been deleted from the | |
|
76 | working copy (aka "missing") | |
|
77 | ''' | |
|
78 | return self[3] | |
|
79 | ||
|
80 | @property | |
|
81 | def unknown(self): | |
|
82 | '''files not in the dirstate that are not ignored''' | |
|
83 | return self[4] | |
|
84 | ||
|
85 | @property | |
|
86 | def ignored(self): | |
|
87 | '''files not in the dirstate that are ignored (by _dirignore())''' | |
|
88 | return self[5] | |
|
89 | ||
|
90 | @property | |
|
91 | def clean(self): | |
|
92 | '''files that have not been modified''' | |
|
93 | return self[6] | |
|
94 | ||
|
95 | def __repr__(self, *args, **kwargs): | |
|
96 | return (('<status modified=%r, added=%r, removed=%r, deleted=%r, ' | |
|
97 | 'unknown=%r, ignored=%r, clean=%r>') % self) | |
|
98 | ||
|
99 | def itersubrepos(ctx1, ctx2): | |
|
100 | """find subrepos in ctx1 or ctx2""" | |
|
101 | # Create a (subpath, ctx) mapping where we prefer subpaths from | |
|
102 | # ctx1. The subpaths from ctx2 are important when the .hgsub file | |
|
103 | # has been modified (in ctx2) but not yet committed (in ctx1). | |
|
104 | subpaths = dict.fromkeys(ctx2.substate, ctx2) | |
|
105 | subpaths.update(dict.fromkeys(ctx1.substate, ctx1)) | |
|
106 | ||
|
107 | missing = set() | |
|
108 | ||
|
109 | for subpath in ctx2.substate: | |
|
110 | if subpath not in ctx1.substate: | |
|
111 | del subpaths[subpath] | |
|
112 | missing.add(subpath) | |
|
113 | ||
|
114 | for subpath, ctx in sorted(subpaths.iteritems()): | |
|
115 | yield subpath, ctx.sub(subpath) | |
|
116 | ||
|
117 | # Yield an empty subrepo based on ctx1 for anything only in ctx2. That way, | |
|
118 | # status and diff will have an accurate result when it does | |
|
119 | # 'sub.{status|diff}(rev2)'. Otherwise, the ctx2 subrepo is compared | |
|
120 | # against itself. | |
|
121 | for subpath in missing: | |
|
122 | yield subpath, ctx2.nullsub(subpath, ctx1) | |
|
123 | ||
|
124 | def nochangesfound(ui, repo, excluded=None): | |
|
125 | '''Report no changes for push/pull, excluded is None or a list of | |
|
126 | nodes excluded from the push/pull. | |
|
127 | ''' | |
|
128 | secretlist = [] | |
|
129 | if excluded: | |
|
130 | for n in excluded: | |
|
131 | if n not in repo: | |
|
132 | # discovery should not have included the filtered revision, | |
|
133 | # we have to explicitly exclude it until discovery is cleanup. | |
|
134 | continue | |
|
135 | ctx = repo[n] | |
|
136 | if ctx.phase() >= phases.secret and not ctx.extinct(): | |
|
137 | secretlist.append(n) | |
|
138 | ||
|
139 | if secretlist: | |
|
140 | ui.status(_("no changes found (ignored %d secret changesets)\n") | |
|
141 | % len(secretlist)) | |
|
142 | else: | |
|
143 | ui.status(_("no changes found\n")) | |
|
144 | ||
|
145 | def callcatch(ui, func): | |
|
146 | """call func() with global exception handling | |
|
147 | ||
|
148 | return func() if no exception happens. otherwise do some error handling | |
|
149 | and return an exit code accordingly. does not handle all exceptions. | |
|
150 | """ | |
|
151 | try: | |
|
152 | return func() | |
|
153 | # Global exception handling, alphabetically | |
|
154 | # Mercurial-specific first, followed by built-in and library exceptions | |
|
155 | except error.LockHeld as inst: | |
|
156 | if inst.errno == errno.ETIMEDOUT: | |
|
157 | reason = _('timed out waiting for lock held by %s') % inst.locker | |
|
158 | else: | |
|
159 | reason = _('lock held by %s') % inst.locker | |
|
160 | ui.warn(_("abort: %s: %s\n") % (inst.desc or inst.filename, reason)) | |
|
161 | except error.LockUnavailable as inst: | |
|
162 | ui.warn(_("abort: could not lock %s: %s\n") % | |
|
163 | (inst.desc or inst.filename, inst.strerror)) | |
|
164 | except error.OutOfBandError as inst: | |
|
165 | if inst.args: | |
|
166 | msg = _("abort: remote error:\n") | |
|
167 | else: | |
|
168 | msg = _("abort: remote error\n") | |
|
169 | ui.warn(msg) | |
|
170 | if inst.args: | |
|
171 | ui.warn(''.join(inst.args)) | |
|
172 | if inst.hint: | |
|
173 | ui.warn('(%s)\n' % inst.hint) | |
|
174 | except error.RepoError as inst: | |
|
175 | ui.warn(_("abort: %s!\n") % inst) | |
|
176 | if inst.hint: | |
|
177 | ui.warn(_("(%s)\n") % inst.hint) | |
|
178 | except error.ResponseError as inst: | |
|
179 | ui.warn(_("abort: %s") % inst.args[0]) | |
|
180 | if not isinstance(inst.args[1], basestring): | |
|
181 | ui.warn(" %r\n" % (inst.args[1],)) | |
|
182 | elif not inst.args[1]: | |
|
183 | ui.warn(_(" empty string\n")) | |
|
184 | else: | |
|
185 | ui.warn("\n%r\n" % util.ellipsis(inst.args[1])) | |
|
186 | except error.CensoredNodeError as inst: | |
|
187 | ui.warn(_("abort: file censored %s!\n") % inst) | |
|
188 | except error.RevlogError as inst: | |
|
189 | ui.warn(_("abort: %s!\n") % inst) | |
|
190 | except error.SignalInterrupt: | |
|
191 | ui.warn(_("killed!\n")) | |
|
192 | except error.InterventionRequired as inst: | |
|
193 | ui.warn("%s\n" % inst) | |
|
194 | if inst.hint: | |
|
195 | ui.warn(_("(%s)\n") % inst.hint) | |
|
196 | return 1 | |
|
197 | except error.Abort as inst: | |
|
198 | ui.warn(_("abort: %s\n") % inst) | |
|
199 | if inst.hint: | |
|
200 | ui.warn(_("(%s)\n") % inst.hint) | |
|
201 | except ImportError as inst: | |
|
202 | ui.warn(_("abort: %s!\n") % inst) | |
|
203 | m = str(inst).split()[-1] | |
|
204 | if m in "mpatch bdiff".split(): | |
|
205 | ui.warn(_("(did you forget to compile extensions?)\n")) | |
|
206 | elif m in "zlib".split(): | |
|
207 | ui.warn(_("(is your Python install correct?)\n")) | |
|
208 | except IOError as inst: | |
|
209 | if util.safehasattr(inst, "code"): | |
|
210 | ui.warn(_("abort: %s\n") % inst) | |
|
211 | elif util.safehasattr(inst, "reason"): | |
|
212 | try: # usually it is in the form (errno, strerror) | |
|
213 | reason = inst.reason.args[1] | |
|
214 | except (AttributeError, IndexError): | |
|
215 | # it might be anything, for example a string | |
|
216 | reason = inst.reason | |
|
217 | if isinstance(reason, unicode): | |
|
218 | # SSLError of Python 2.7.9 contains a unicode | |
|
219 | reason = reason.encode(encoding.encoding, 'replace') | |
|
220 | ui.warn(_("abort: error: %s\n") % reason) | |
|
221 | elif (util.safehasattr(inst, "args") | |
|
222 | and inst.args and inst.args[0] == errno.EPIPE): | |
|
223 | pass | |
|
224 | elif getattr(inst, "strerror", None): | |
|
225 | if getattr(inst, "filename", None): | |
|
226 | ui.warn(_("abort: %s: %s\n") % (inst.strerror, inst.filename)) | |
|
227 | else: | |
|
228 | ui.warn(_("abort: %s\n") % inst.strerror) | |
|
229 | else: | |
|
230 | raise | |
|
231 | except OSError as inst: | |
|
232 | if getattr(inst, "filename", None) is not None: | |
|
233 | ui.warn(_("abort: %s: '%s'\n") % (inst.strerror, inst.filename)) | |
|
234 | else: | |
|
235 | ui.warn(_("abort: %s\n") % inst.strerror) | |
|
236 | except MemoryError: | |
|
237 | ui.warn(_("abort: out of memory\n")) | |
|
238 | except SystemExit as inst: | |
|
239 | # Commands shouldn't sys.exit directly, but give a return code. | |
|
240 | # Just in case catch this and and pass exit code to caller. | |
|
241 | return inst.code | |
|
242 | except socket.error as inst: | |
|
243 | ui.warn(_("abort: %s\n") % inst.args[-1]) | |
|
244 | ||
|
245 | return -1 | |
|
246 | ||
|
247 | def checknewlabel(repo, lbl, kind): | |
|
248 | # Do not use the "kind" parameter in ui output. | |
|
249 | # It makes strings difficult to translate. | |
|
250 | if lbl in ['tip', '.', 'null']: | |
|
251 | raise error.Abort(_("the name '%s' is reserved") % lbl) | |
|
252 | for c in (':', '\0', '\n', '\r'): | |
|
253 | if c in lbl: | |
|
254 | raise error.Abort(_("%r cannot be used in a name") % c) | |
|
255 | try: | |
|
256 | int(lbl) | |
|
257 | raise error.Abort(_("cannot use an integer as a name")) | |
|
258 | except ValueError: | |
|
259 | pass | |
|
260 | ||
|
261 | def checkfilename(f): | |
|
262 | '''Check that the filename f is an acceptable filename for a tracked file''' | |
|
263 | if '\r' in f or '\n' in f: | |
|
264 | raise error.Abort(_("'\\n' and '\\r' disallowed in filenames: %r") % f) | |
|
265 | ||
|
266 | def checkportable(ui, f): | |
|
267 | '''Check if filename f is portable and warn or abort depending on config''' | |
|
268 | checkfilename(f) | |
|
269 | abort, warn = checkportabilityalert(ui) | |
|
270 | if abort or warn: | |
|
271 | msg = util.checkwinfilename(f) | |
|
272 | if msg: | |
|
273 | msg = "%s: %r" % (msg, f) | |
|
274 | if abort: | |
|
275 | raise error.Abort(msg) | |
|
276 | ui.warn(_("warning: %s\n") % msg) | |
|
277 | ||
|
278 | def checkportabilityalert(ui): | |
|
279 | '''check if the user's config requests nothing, a warning, or abort for | |
|
280 | non-portable filenames''' | |
|
281 | val = ui.config('ui', 'portablefilenames', 'warn') | |
|
282 | lval = val.lower() | |
|
283 | bval = util.parsebool(val) | |
|
284 | abort = pycompat.osname == 'nt' or lval == 'abort' | |
|
285 | warn = bval or lval == 'warn' | |
|
286 | if bval is None and not (warn or abort or lval == 'ignore'): | |
|
287 | raise error.ConfigError( | |
|
288 | _("ui.portablefilenames value is invalid ('%s')") % val) | |
|
289 | return abort, warn | |
|
290 | ||
|
291 | class casecollisionauditor(object): | |
|
292 | def __init__(self, ui, abort, dirstate): | |
|
293 | self._ui = ui | |
|
294 | self._abort = abort | |
|
295 | allfiles = '\0'.join(dirstate._map) | |
|
296 | self._loweredfiles = set(encoding.lower(allfiles).split('\0')) | |
|
297 | self._dirstate = dirstate | |
|
298 | # The purpose of _newfiles is so that we don't complain about | |
|
299 | # case collisions if someone were to call this object with the | |
|
300 | # same filename twice. | |
|
301 | self._newfiles = set() | |
|
302 | ||
|
303 | def __call__(self, f): | |
|
304 | if f in self._newfiles: | |
|
305 | return | |
|
306 | fl = encoding.lower(f) | |
|
307 | if fl in self._loweredfiles and f not in self._dirstate: | |
|
308 | msg = _('possible case-folding collision for %s') % f | |
|
309 | if self._abort: | |
|
310 | raise error.Abort(msg) | |
|
311 | self._ui.warn(_("warning: %s\n") % msg) | |
|
312 | self._loweredfiles.add(fl) | |
|
313 | self._newfiles.add(f) | |
|
314 | ||
|
315 | def filteredhash(repo, maxrev): | |
|
316 | """build hash of filtered revisions in the current repoview. | |
|
317 | ||
|
318 | Multiple caches perform up-to-date validation by checking that the | |
|
319 | tiprev and tipnode stored in the cache file match the current repository. | |
|
320 | However, this is not sufficient for validating repoviews because the set | |
|
321 | of revisions in the view may change without the repository tiprev and | |
|
322 | tipnode changing. | |
|
323 | ||
|
324 | This function hashes all the revs filtered from the view and returns | |
|
325 | that SHA-1 digest. | |
|
326 | """ | |
|
327 | cl = repo.changelog | |
|
328 | if not cl.filteredrevs: | |
|
329 | return None | |
|
330 | key = None | |
|
331 | revs = sorted(r for r in cl.filteredrevs if r <= maxrev) | |
|
332 | if revs: | |
|
333 | s = hashlib.sha1() | |
|
334 | for rev in revs: | |
|
335 | s.update('%s;' % rev) | |
|
336 | key = s.digest() | |
|
337 | return key | |
|
338 | ||
|
339 | 26 | class abstractvfs(object): |
|
340 | 27 | """Abstract base class; cannot be instantiated""" |
|
341 | 28 | |
@@ -786,629 +473,6 b' class readonlyvfs(abstractvfs, auditvfs)' | |||
|
786 | 473 | def join(self, path, *insidef): |
|
787 | 474 | return self.vfs.join(path, *insidef) |
|
788 | 475 | |
|
789 | def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): | |
|
790 | '''yield every hg repository under path, always recursively. | |
|
791 | The recurse flag will only control recursion into repo working dirs''' | |
|
792 | def errhandler(err): | |
|
793 | if err.filename == path: | |
|
794 | raise err | |
|
795 | samestat = getattr(os.path, 'samestat', None) | |
|
796 | if followsym and samestat is not None: | |
|
797 | def adddir(dirlst, dirname): | |
|
798 | match = False | |
|
799 | dirstat = os.stat(dirname) | |
|
800 | for lstdirstat in dirlst: | |
|
801 | if samestat(dirstat, lstdirstat): | |
|
802 | match = True | |
|
803 | break | |
|
804 | if not match: | |
|
805 | dirlst.append(dirstat) | |
|
806 | return not match | |
|
807 | else: | |
|
808 | followsym = False | |
|
809 | ||
|
810 | if (seen_dirs is None) and followsym: | |
|
811 | seen_dirs = [] | |
|
812 | adddir(seen_dirs, path) | |
|
813 | for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): | |
|
814 | dirs.sort() | |
|
815 | if '.hg' in dirs: | |
|
816 | yield root # found a repository | |
|
817 | qroot = os.path.join(root, '.hg', 'patches') | |
|
818 | if os.path.isdir(os.path.join(qroot, '.hg')): | |
|
819 | yield qroot # we have a patch queue repo here | |
|
820 | if recurse: | |
|
821 | # avoid recursing inside the .hg directory | |
|
822 | dirs.remove('.hg') | |
|
823 | else: | |
|
824 | dirs[:] = [] # don't descend further | |
|
825 | elif followsym: | |
|
826 | newdirs = [] | |
|
827 | for d in dirs: | |
|
828 | fname = os.path.join(root, d) | |
|
829 | if adddir(seen_dirs, fname): | |
|
830 | if os.path.islink(fname): | |
|
831 | for hgname in walkrepos(fname, True, seen_dirs): | |
|
832 | yield hgname | |
|
833 | else: | |
|
834 | newdirs.append(d) | |
|
835 | dirs[:] = newdirs | |
|
836 | ||
|
837 | def osrcpath(): | |
|
838 | '''return default os-specific hgrc search path''' | |
|
839 | path = [] | |
|
840 | defaultpath = os.path.join(util.datapath, 'default.d') | |
|
841 | if os.path.isdir(defaultpath): | |
|
842 | for f, kind in osutil.listdir(defaultpath): | |
|
843 | if f.endswith('.rc'): | |
|
844 | path.append(os.path.join(defaultpath, f)) | |
|
845 | path.extend(systemrcpath()) | |
|
846 | path.extend(userrcpath()) | |
|
847 | path = [os.path.normpath(f) for f in path] | |
|
848 | return path | |
|
849 | ||
|
850 | _rcpath = None | |
|
851 | ||
|
852 | def rcpath(): | |
|
853 | '''return hgrc search path. if env var HGRCPATH is set, use it. | |
|
854 | for each item in path, if directory, use files ending in .rc, | |
|
855 | else use item. | |
|
856 | make HGRCPATH empty to only look in .hg/hgrc of current repo. | |
|
857 | if no HGRCPATH, use default os-specific path.''' | |
|
858 | global _rcpath | |
|
859 | if _rcpath is None: | |
|
860 | if 'HGRCPATH' in encoding.environ: | |
|
861 | _rcpath = [] | |
|
862 | for p in encoding.environ['HGRCPATH'].split(pycompat.ospathsep): | |
|
863 | if not p: | |
|
864 | continue | |
|
865 | p = util.expandpath(p) | |
|
866 | if os.path.isdir(p): | |
|
867 | for f, kind in osutil.listdir(p): | |
|
868 | if f.endswith('.rc'): | |
|
869 | _rcpath.append(os.path.join(p, f)) | |
|
870 | else: | |
|
871 | _rcpath.append(p) | |
|
872 | else: | |
|
873 | _rcpath = osrcpath() | |
|
874 | return _rcpath | |
|
875 | ||
|
876 | def intrev(rev): | |
|
877 | """Return integer for a given revision that can be used in comparison or | |
|
878 | arithmetic operation""" | |
|
879 | if rev is None: | |
|
880 | return wdirrev | |
|
881 | return rev | |
|
882 | ||
|
883 | def revsingle(repo, revspec, default='.'): | |
|
884 | if not revspec and revspec != 0: | |
|
885 | return repo[default] | |
|
886 | ||
|
887 | l = revrange(repo, [revspec]) | |
|
888 | if not l: | |
|
889 | raise error.Abort(_('empty revision set')) | |
|
890 | return repo[l.last()] | |
|
891 | ||
|
892 | def _pairspec(revspec): | |
|
893 | tree = revsetlang.parse(revspec) | |
|
894 | return tree and tree[0] in ('range', 'rangepre', 'rangepost', 'rangeall') | |
|
895 | ||
|
896 | def revpair(repo, revs): | |
|
897 | if not revs: | |
|
898 | return repo.dirstate.p1(), None | |
|
899 | ||
|
900 | l = revrange(repo, revs) | |
|
901 | ||
|
902 | if not l: | |
|
903 | first = second = None | |
|
904 | elif l.isascending(): | |
|
905 | first = l.min() | |
|
906 | second = l.max() | |
|
907 | elif l.isdescending(): | |
|
908 | first = l.max() | |
|
909 | second = l.min() | |
|
910 | else: | |
|
911 | first = l.first() | |
|
912 | second = l.last() | |
|
913 | ||
|
914 | if first is None: | |
|
915 | raise error.Abort(_('empty revision range')) | |
|
916 | if (first == second and len(revs) >= 2 | |
|
917 | and not all(revrange(repo, [r]) for r in revs)): | |
|
918 | raise error.Abort(_('empty revision on one side of range')) | |
|
919 | ||
|
920 | # if top-level is range expression, the result must always be a pair | |
|
921 | if first == second and len(revs) == 1 and not _pairspec(revs[0]): | |
|
922 | return repo.lookup(first), None | |
|
923 | ||
|
924 | return repo.lookup(first), repo.lookup(second) | |
|
925 | ||
|
926 | def revrange(repo, specs): | |
|
927 | """Execute 1 to many revsets and return the union. | |
|
928 | ||
|
929 | This is the preferred mechanism for executing revsets using user-specified | |
|
930 | config options, such as revset aliases. | |
|
931 | ||
|
932 | The revsets specified by ``specs`` will be executed via a chained ``OR`` | |
|
933 | expression. If ``specs`` is empty, an empty result is returned. | |
|
934 | ||
|
935 | ``specs`` can contain integers, in which case they are assumed to be | |
|
936 | revision numbers. | |
|
937 | ||
|
938 | It is assumed the revsets are already formatted. If you have arguments | |
|
939 | that need to be expanded in the revset, call ``revsetlang.formatspec()`` | |
|
940 | and pass the result as an element of ``specs``. | |
|
941 | ||
|
942 | Specifying a single revset is allowed. | |
|
943 | ||
|
944 | Returns a ``revset.abstractsmartset`` which is a list-like interface over | |
|
945 | integer revisions. | |
|
946 | """ | |
|
947 | allspecs = [] | |
|
948 | for spec in specs: | |
|
949 | if isinstance(spec, int): | |
|
950 | spec = revsetlang.formatspec('rev(%d)', spec) | |
|
951 | allspecs.append(spec) | |
|
952 | return repo.anyrevs(allspecs, user=True) | |
|
953 | ||
|
954 | def meaningfulparents(repo, ctx): | |
|
955 | """Return list of meaningful (or all if debug) parentrevs for rev. | |
|
956 | ||
|
957 | For merges (two non-nullrev revisions) both parents are meaningful. | |
|
958 | Otherwise the first parent revision is considered meaningful if it | |
|
959 | is not the preceding revision. | |
|
960 | """ | |
|
961 | parents = ctx.parents() | |
|
962 | if len(parents) > 1: | |
|
963 | return parents | |
|
964 | if repo.ui.debugflag: | |
|
965 | return [parents[0], repo['null']] | |
|
966 | if parents[0].rev() >= intrev(ctx.rev()) - 1: | |
|
967 | return [] | |
|
968 | return parents | |
|
969 | ||
|
970 | def expandpats(pats): | |
|
971 | '''Expand bare globs when running on windows. | |
|
972 | On posix we assume it already has already been done by sh.''' | |
|
973 | if not util.expandglobs: | |
|
974 | return list(pats) | |
|
975 | ret = [] | |
|
976 | for kindpat in pats: | |
|
977 | kind, pat = matchmod._patsplit(kindpat, None) | |
|
978 | if kind is None: | |
|
979 | try: | |
|
980 | globbed = glob.glob(pat) | |
|
981 | except re.error: | |
|
982 | globbed = [pat] | |
|
983 | if globbed: | |
|
984 | ret.extend(globbed) | |
|
985 | continue | |
|
986 | ret.append(kindpat) | |
|
987 | return ret | |
|
988 | ||
|
989 | def matchandpats(ctx, pats=(), opts=None, globbed=False, default='relpath', | |
|
990 | badfn=None): | |
|
991 | '''Return a matcher and the patterns that were used. | |
|
992 | The matcher will warn about bad matches, unless an alternate badfn callback | |
|
993 | is provided.''' | |
|
994 | if pats == ("",): | |
|
995 | pats = [] | |
|
996 | if opts is None: | |
|
997 | opts = {} | |
|
998 | if not globbed and default == 'relpath': | |
|
999 | pats = expandpats(pats or []) | |
|
1000 | ||
|
1001 | def bad(f, msg): | |
|
1002 | ctx.repo().ui.warn("%s: %s\n" % (m.rel(f), msg)) | |
|
1003 | ||
|
1004 | if badfn is None: | |
|
1005 | badfn = bad | |
|
1006 | ||
|
1007 | m = ctx.match(pats, opts.get('include'), opts.get('exclude'), | |
|
1008 | default, listsubrepos=opts.get('subrepos'), badfn=badfn) | |
|
1009 | ||
|
1010 | if m.always(): | |
|
1011 | pats = [] | |
|
1012 | return m, pats | |
|
1013 | ||
|
1014 | def match(ctx, pats=(), opts=None, globbed=False, default='relpath', | |
|
1015 | badfn=None): | |
|
1016 | '''Return a matcher that will warn about bad matches.''' | |
|
1017 | return matchandpats(ctx, pats, opts, globbed, default, badfn=badfn)[0] | |
|
1018 | ||
|
1019 | def matchall(repo): | |
|
1020 | '''Return a matcher that will efficiently match everything.''' | |
|
1021 | return matchmod.always(repo.root, repo.getcwd()) | |
|
1022 | ||
|
1023 | def matchfiles(repo, files, badfn=None): | |
|
1024 | '''Return a matcher that will efficiently match exactly these files.''' | |
|
1025 | return matchmod.exact(repo.root, repo.getcwd(), files, badfn=badfn) | |
|
1026 | ||
|
1027 | def origpath(ui, repo, filepath): | |
|
1028 | '''customize where .orig files are created | |
|
1029 | ||
|
1030 | Fetch user defined path from config file: [ui] origbackuppath = <path> | |
|
1031 | Fall back to default (filepath) if not specified | |
|
1032 | ''' | |
|
1033 | origbackuppath = ui.config('ui', 'origbackuppath', None) | |
|
1034 | if origbackuppath is None: | |
|
1035 | return filepath + ".orig" | |
|
1036 | ||
|
1037 | filepathfromroot = os.path.relpath(filepath, start=repo.root) | |
|
1038 | fullorigpath = repo.wjoin(origbackuppath, filepathfromroot) | |
|
1039 | ||
|
1040 | origbackupdir = repo.vfs.dirname(fullorigpath) | |
|
1041 | if not repo.vfs.exists(origbackupdir): | |
|
1042 | ui.note(_('creating directory: %s\n') % origbackupdir) | |
|
1043 | util.makedirs(origbackupdir) | |
|
1044 | ||
|
1045 | return fullorigpath + ".orig" | |
|
1046 | ||
|
1047 | def addremove(repo, matcher, prefix, opts=None, dry_run=None, similarity=None): | |
|
1048 | if opts is None: | |
|
1049 | opts = {} | |
|
1050 | m = matcher | |
|
1051 | if dry_run is None: | |
|
1052 | dry_run = opts.get('dry_run') | |
|
1053 | if similarity is None: | |
|
1054 | similarity = float(opts.get('similarity') or 0) | |
|
1055 | ||
|
1056 | ret = 0 | |
|
1057 | join = lambda f: os.path.join(prefix, f) | |
|
1058 | ||
|
1059 | wctx = repo[None] | |
|
1060 | for subpath in sorted(wctx.substate): | |
|
1061 | submatch = matchmod.subdirmatcher(subpath, m) | |
|
1062 | if opts.get('subrepos') or m.exact(subpath) or any(submatch.files()): | |
|
1063 | sub = wctx.sub(subpath) | |
|
1064 | try: | |
|
1065 | if sub.addremove(submatch, prefix, opts, dry_run, similarity): | |
|
1066 | ret = 1 | |
|
1067 | except error.LookupError: | |
|
1068 | repo.ui.status(_("skipping missing subrepository: %s\n") | |
|
1069 | % join(subpath)) | |
|
1070 | ||
|
1071 | rejected = [] | |
|
1072 | def badfn(f, msg): | |
|
1073 | if f in m.files(): | |
|
1074 | m.bad(f, msg) | |
|
1075 | rejected.append(f) | |
|
1076 | ||
|
1077 | badmatch = matchmod.badmatch(m, badfn) | |
|
1078 | added, unknown, deleted, removed, forgotten = _interestingfiles(repo, | |
|
1079 | badmatch) | |
|
1080 | ||
|
1081 | unknownset = set(unknown + forgotten) | |
|
1082 | toprint = unknownset.copy() | |
|
1083 | toprint.update(deleted) | |
|
1084 | for abs in sorted(toprint): | |
|
1085 | if repo.ui.verbose or not m.exact(abs): | |
|
1086 | if abs in unknownset: | |
|
1087 | status = _('adding %s\n') % m.uipath(abs) | |
|
1088 | else: | |
|
1089 | status = _('removing %s\n') % m.uipath(abs) | |
|
1090 | repo.ui.status(status) | |
|
1091 | ||
|
1092 | renames = _findrenames(repo, m, added + unknown, removed + deleted, | |
|
1093 | similarity) | |
|
1094 | ||
|
1095 | if not dry_run: | |
|
1096 | _markchanges(repo, unknown + forgotten, deleted, renames) | |
|
1097 | ||
|
1098 | for f in rejected: | |
|
1099 | if f in m.files(): | |
|
1100 | return 1 | |
|
1101 | return ret | |
|
1102 | ||
|
1103 | def marktouched(repo, files, similarity=0.0): | |
|
1104 | '''Assert that files have somehow been operated upon. files are relative to | |
|
1105 | the repo root.''' | |
|
1106 | m = matchfiles(repo, files, badfn=lambda x, y: rejected.append(x)) | |
|
1107 | rejected = [] | |
|
1108 | ||
|
1109 | added, unknown, deleted, removed, forgotten = _interestingfiles(repo, m) | |
|
1110 | ||
|
1111 | if repo.ui.verbose: | |
|
1112 | unknownset = set(unknown + forgotten) | |
|
1113 | toprint = unknownset.copy() | |
|
1114 | toprint.update(deleted) | |
|
1115 | for abs in sorted(toprint): | |
|
1116 | if abs in unknownset: | |
|
1117 | status = _('adding %s\n') % abs | |
|
1118 | else: | |
|
1119 | status = _('removing %s\n') % abs | |
|
1120 | repo.ui.status(status) | |
|
1121 | ||
|
1122 | renames = _findrenames(repo, m, added + unknown, removed + deleted, | |
|
1123 | similarity) | |
|
1124 | ||
|
1125 | _markchanges(repo, unknown + forgotten, deleted, renames) | |
|
1126 | ||
|
1127 | for f in rejected: | |
|
1128 | if f in m.files(): | |
|
1129 | return 1 | |
|
1130 | return 0 | |
|
1131 | ||
|
1132 | def _interestingfiles(repo, matcher): | |
|
1133 | '''Walk dirstate with matcher, looking for files that addremove would care | |
|
1134 | about. | |
|
1135 | ||
|
1136 | This is different from dirstate.status because it doesn't care about | |
|
1137 | whether files are modified or clean.''' | |
|
1138 | added, unknown, deleted, removed, forgotten = [], [], [], [], [] | |
|
1139 | audit_path = pathutil.pathauditor(repo.root) | |
|
1140 | ||
|
1141 | ctx = repo[None] | |
|
1142 | dirstate = repo.dirstate | |
|
1143 | walkresults = dirstate.walk(matcher, sorted(ctx.substate), True, False, | |
|
1144 | full=False) | |
|
1145 | for abs, st in walkresults.iteritems(): | |
|
1146 | dstate = dirstate[abs] | |
|
1147 | if dstate == '?' and audit_path.check(abs): | |
|
1148 | unknown.append(abs) | |
|
1149 | elif dstate != 'r' and not st: | |
|
1150 | deleted.append(abs) | |
|
1151 | elif dstate == 'r' and st: | |
|
1152 | forgotten.append(abs) | |
|
1153 | # for finding renames | |
|
1154 | elif dstate == 'r' and not st: | |
|
1155 | removed.append(abs) | |
|
1156 | elif dstate == 'a': | |
|
1157 | added.append(abs) | |
|
1158 | ||
|
1159 | return added, unknown, deleted, removed, forgotten | |
|
1160 | ||
|
1161 | def _findrenames(repo, matcher, added, removed, similarity): | |
|
1162 | '''Find renames from removed files to added ones.''' | |
|
1163 | renames = {} | |
|
1164 | if similarity > 0: | |
|
1165 | for old, new, score in similar.findrenames(repo, added, removed, | |
|
1166 | similarity): | |
|
1167 | if (repo.ui.verbose or not matcher.exact(old) | |
|
1168 | or not matcher.exact(new)): | |
|
1169 | repo.ui.status(_('recording removal of %s as rename to %s ' | |
|
1170 | '(%d%% similar)\n') % | |
|
1171 | (matcher.rel(old), matcher.rel(new), | |
|
1172 | score * 100)) | |
|
1173 | renames[new] = old | |
|
1174 | return renames | |
|
1175 | ||
|
1176 | def _markchanges(repo, unknown, deleted, renames): | |
|
1177 | '''Marks the files in unknown as added, the files in deleted as removed, | |
|
1178 | and the files in renames as copied.''' | |
|
1179 | wctx = repo[None] | |
|
1180 | with repo.wlock(): | |
|
1181 | wctx.forget(deleted) | |
|
1182 | wctx.add(unknown) | |
|
1183 | for new, old in renames.iteritems(): | |
|
1184 | wctx.copy(old, new) | |
|
1185 | ||
|
1186 | def dirstatecopy(ui, repo, wctx, src, dst, dryrun=False, cwd=None): | |
|
1187 | """Update the dirstate to reflect the intent of copying src to dst. For | |
|
1188 | different reasons it might not end with dst being marked as copied from src. | |
|
1189 | """ | |
|
1190 | origsrc = repo.dirstate.copied(src) or src | |
|
1191 | if dst == origsrc: # copying back a copy? | |
|
1192 | if repo.dirstate[dst] not in 'mn' and not dryrun: | |
|
1193 | repo.dirstate.normallookup(dst) | |
|
1194 | else: | |
|
1195 | if repo.dirstate[origsrc] == 'a' and origsrc == src: | |
|
1196 | if not ui.quiet: | |
|
1197 | ui.warn(_("%s has not been committed yet, so no copy " | |
|
1198 | "data will be stored for %s.\n") | |
|
1199 | % (repo.pathto(origsrc, cwd), repo.pathto(dst, cwd))) | |
|
1200 | if repo.dirstate[dst] in '?r' and not dryrun: | |
|
1201 | wctx.add([dst]) | |
|
1202 | elif not dryrun: | |
|
1203 | wctx.copy(origsrc, dst) | |
|
1204 | ||
|
1205 | def readrequires(opener, supported): | |
|
1206 | '''Reads and parses .hg/requires and checks if all entries found | |
|
1207 | are in the list of supported features.''' | |
|
1208 | requirements = set(opener.read("requires").splitlines()) | |
|
1209 | missings = [] | |
|
1210 | for r in requirements: | |
|
1211 | if r not in supported: | |
|
1212 | if not r or not r[0].isalnum(): | |
|
1213 | raise error.RequirementError(_(".hg/requires file is corrupt")) | |
|
1214 | missings.append(r) | |
|
1215 | missings.sort() | |
|
1216 | if missings: | |
|
1217 | raise error.RequirementError( | |
|
1218 | _("repository requires features unknown to this Mercurial: %s") | |
|
1219 | % " ".join(missings), | |
|
1220 | hint=_("see https://mercurial-scm.org/wiki/MissingRequirement" | |
|
1221 | " for more information")) | |
|
1222 | return requirements | |
|
1223 | ||
|
1224 | def writerequires(opener, requirements): | |
|
1225 | with opener('requires', 'w') as fp: | |
|
1226 | for r in sorted(requirements): | |
|
1227 | fp.write("%s\n" % r) | |
|
1228 | ||
|
1229 | class filecachesubentry(object): | |
|
1230 | def __init__(self, path, stat): | |
|
1231 | self.path = path | |
|
1232 | self.cachestat = None | |
|
1233 | self._cacheable = None | |
|
1234 | ||
|
1235 | if stat: | |
|
1236 | self.cachestat = filecachesubentry.stat(self.path) | |
|
1237 | ||
|
1238 | if self.cachestat: | |
|
1239 | self._cacheable = self.cachestat.cacheable() | |
|
1240 | else: | |
|
1241 | # None means we don't know yet | |
|
1242 | self._cacheable = None | |
|
1243 | ||
|
1244 | def refresh(self): | |
|
1245 | if self.cacheable(): | |
|
1246 | self.cachestat = filecachesubentry.stat(self.path) | |
|
1247 | ||
|
1248 | def cacheable(self): | |
|
1249 | if self._cacheable is not None: | |
|
1250 | return self._cacheable | |
|
1251 | ||
|
1252 | # we don't know yet, assume it is for now | |
|
1253 | return True | |
|
1254 | ||
|
1255 | def changed(self): | |
|
1256 | # no point in going further if we can't cache it | |
|
1257 | if not self.cacheable(): | |
|
1258 | return True | |
|
1259 | ||
|
1260 | newstat = filecachesubentry.stat(self.path) | |
|
1261 | ||
|
1262 | # we may not know if it's cacheable yet, check again now | |
|
1263 | if newstat and self._cacheable is None: | |
|
1264 | self._cacheable = newstat.cacheable() | |
|
1265 | ||
|
1266 | # check again | |
|
1267 | if not self._cacheable: | |
|
1268 | return True | |
|
1269 | ||
|
1270 | if self.cachestat != newstat: | |
|
1271 | self.cachestat = newstat | |
|
1272 | return True | |
|
1273 | else: | |
|
1274 | return False | |
|
1275 | ||
|
1276 | @staticmethod | |
|
1277 | def stat(path): | |
|
1278 | try: | |
|
1279 | return util.cachestat(path) | |
|
1280 | except OSError as e: | |
|
1281 | if e.errno != errno.ENOENT: | |
|
1282 | raise | |
|
1283 | ||
|
1284 | class filecacheentry(object): | |
|
1285 | def __init__(self, paths, stat=True): | |
|
1286 | self._entries = [] | |
|
1287 | for path in paths: | |
|
1288 | self._entries.append(filecachesubentry(path, stat)) | |
|
1289 | ||
|
1290 | def changed(self): | |
|
1291 | '''true if any entry has changed''' | |
|
1292 | for entry in self._entries: | |
|
1293 | if entry.changed(): | |
|
1294 | return True | |
|
1295 | return False | |
|
1296 | ||
|
1297 | def refresh(self): | |
|
1298 | for entry in self._entries: | |
|
1299 | entry.refresh() | |
|
1300 | ||
|
1301 | class filecache(object): | |
|
1302 | '''A property like decorator that tracks files under .hg/ for updates. | |
|
1303 | ||
|
1304 | Records stat info when called in _filecache. | |
|
1305 | ||
|
1306 | On subsequent calls, compares old stat info with new info, and recreates the | |
|
1307 | object when any of the files changes, updating the new stat info in | |
|
1308 | _filecache. | |
|
1309 | ||
|
1310 | Mercurial either atomic renames or appends for files under .hg, | |
|
1311 | so to ensure the cache is reliable we need the filesystem to be able | |
|
1312 | to tell us if a file has been replaced. If it can't, we fallback to | |
|
1313 | recreating the object on every call (essentially the same behavior as | |
|
1314 | propertycache). | |
|
1315 | ||
|
1316 | ''' | |
|
1317 | def __init__(self, *paths): | |
|
1318 | self.paths = paths | |
|
1319 | ||
|
1320 | def join(self, obj, fname): | |
|
1321 | """Used to compute the runtime path of a cached file. | |
|
1322 | ||
|
1323 | Users should subclass filecache and provide their own version of this | |
|
1324 | function to call the appropriate join function on 'obj' (an instance | |
|
1325 | of the class that its member function was decorated). | |
|
1326 | """ | |
|
1327 | return obj.join(fname) | |
|
1328 | ||
|
1329 | def __call__(self, func): | |
|
1330 | self.func = func | |
|
1331 | self.name = func.__name__ | |
|
1332 | return self | |
|
1333 | ||
|
1334 | def __get__(self, obj, type=None): | |
|
1335 | # if accessed on the class, return the descriptor itself. | |
|
1336 | if obj is None: | |
|
1337 | return self | |
|
1338 | # do we need to check if the file changed? | |
|
1339 | if self.name in obj.__dict__: | |
|
1340 | assert self.name in obj._filecache, self.name | |
|
1341 | return obj.__dict__[self.name] | |
|
1342 | ||
|
1343 | entry = obj._filecache.get(self.name) | |
|
1344 | ||
|
1345 | if entry: | |
|
1346 | if entry.changed(): | |
|
1347 | entry.obj = self.func(obj) | |
|
1348 | else: | |
|
1349 | paths = [self.join(obj, path) for path in self.paths] | |
|
1350 | ||
|
1351 | # We stat -before- creating the object so our cache doesn't lie if | |
|
1352 | # a writer modified between the time we read and stat | |
|
1353 | entry = filecacheentry(paths, True) | |
|
1354 | entry.obj = self.func(obj) | |
|
1355 | ||
|
1356 | obj._filecache[self.name] = entry | |
|
1357 | ||
|
1358 | obj.__dict__[self.name] = entry.obj | |
|
1359 | return entry.obj | |
|
1360 | ||
|
1361 | def __set__(self, obj, value): | |
|
1362 | if self.name not in obj._filecache: | |
|
1363 | # we add an entry for the missing value because X in __dict__ | |
|
1364 | # implies X in _filecache | |
|
1365 | paths = [self.join(obj, path) for path in self.paths] | |
|
1366 | ce = filecacheentry(paths, False) | |
|
1367 | obj._filecache[self.name] = ce | |
|
1368 | else: | |
|
1369 | ce = obj._filecache[self.name] | |
|
1370 | ||
|
1371 | ce.obj = value # update cached copy | |
|
1372 | obj.__dict__[self.name] = value # update copy returned by obj.x | |
|
1373 | ||
|
1374 | def __delete__(self, obj): | |
|
1375 | try: | |
|
1376 | del obj.__dict__[self.name] | |
|
1377 | except KeyError: | |
|
1378 | raise AttributeError(self.name) | |
|
1379 | ||
|
1380 | def _locksub(repo, lock, envvar, cmd, environ=None, *args, **kwargs): | |
|
1381 | if lock is None: | |
|
1382 | raise error.LockInheritanceContractViolation( | |
|
1383 | 'lock can only be inherited while held') | |
|
1384 | if environ is None: | |
|
1385 | environ = {} | |
|
1386 | with lock.inherit() as locker: | |
|
1387 | environ[envvar] = locker | |
|
1388 | return repo.ui.system(cmd, environ=environ, *args, **kwargs) | |
|
1389 | ||
|
1390 | def wlocksub(repo, cmd, *args, **kwargs): | |
|
1391 | """run cmd as a subprocess that allows inheriting repo's wlock | |
|
1392 | ||
|
1393 | This can only be called while the wlock is held. This takes all the | |
|
1394 | arguments that ui.system does, and returns the exit code of the | |
|
1395 | subprocess.""" | |
|
1396 | return _locksub(repo, repo.currentwlock(), 'HG_WLOCK_LOCKER', cmd, *args, | |
|
1397 | **kwargs) | |
|
1398 | ||
|
1399 | def gdinitconfig(ui): | |
|
1400 | """helper function to know if a repo should be created as general delta | |
|
1401 | """ | |
|
1402 | # experimental config: format.generaldelta | |
|
1403 | return (ui.configbool('format', 'generaldelta', False) | |
|
1404 | or ui.configbool('format', 'usegeneraldelta', True)) | |
|
1405 | ||
|
1406 | def gddeltaconfig(ui): | |
|
1407 | """helper function to know if incoming delta should be optimised | |
|
1408 | """ | |
|
1409 | # experimental config: format.generaldelta | |
|
1410 | return ui.configbool('format', 'generaldelta', False) | |
|
1411 | ||
|
1412 | 476 | class closewrapbase(object): |
|
1413 | 477 | """Base class of wrapper, which hooks closing |
|
1414 | 478 |
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