Mercurial > hg
comparison mercurial/vfs.py @ 40796:03bca908d9fb
vfs: add option to not create parent directories implicitly
In blackbox, we don't want to create a ".hg" directory by mistake. This
provides a race-safe option to achieve that.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Tue, 20 Nov 2018 22:31:12 +0900 |
| parents | 34f15db81cf0 |
| children | e10adebf8176 |
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| 40795:e1c3a2e9df59 | 40796:03bca908d9fb |
|---|---|
| 343 if r: | 343 if r: |
| 344 raise error.Abort("%s: %r" % (r, path)) | 344 raise error.Abort("%s: %r" % (r, path)) |
| 345 self.audit(path, mode=mode) | 345 self.audit(path, mode=mode) |
| 346 | 346 |
| 347 def __call__(self, path, mode="r", atomictemp=False, notindexed=False, | 347 def __call__(self, path, mode="r", atomictemp=False, notindexed=False, |
| 348 backgroundclose=False, checkambig=False, auditpath=True): | 348 backgroundclose=False, checkambig=False, auditpath=True, |
| 349 makeparentdirs=True): | |
| 349 '''Open ``path`` file, which is relative to vfs root. | 350 '''Open ``path`` file, which is relative to vfs root. |
| 350 | 351 |
| 351 Newly created directories are marked as "not to be indexed by | 352 By default, parent directories are created as needed. Newly created |
| 352 the content indexing service", if ``notindexed`` is specified | 353 directories are marked as "not to be indexed by the content indexing |
| 353 for "write" mode access. | 354 service", if ``notindexed`` is specified for "write" mode access. |
| 355 Set ``makeparentdirs=False`` to not create directories implicitly. | |
| 354 | 356 |
| 355 If ``backgroundclose`` is passed, the file may be closed asynchronously. | 357 If ``backgroundclose`` is passed, the file may be closed asynchronously. |
| 356 It can only be used if the ``self.backgroundclosing()`` context manager | 358 It can only be used if the ``self.backgroundclosing()`` context manager |
| 357 is active. This should only be specified if the following criteria hold: | 359 is active. This should only be specified if the following criteria hold: |
| 358 | 360 |
| 387 dirname, basename = util.split(f) | 389 dirname, basename = util.split(f) |
| 388 # If basename is empty, then the path is malformed because it points | 390 # If basename is empty, then the path is malformed because it points |
| 389 # to a directory. Let the posixfile() call below raise IOError. | 391 # to a directory. Let the posixfile() call below raise IOError. |
| 390 if basename: | 392 if basename: |
| 391 if atomictemp: | 393 if atomictemp: |
| 392 util.makedirs(dirname, self.createmode, notindexed) | 394 if makeparentdirs: |
| 395 util.makedirs(dirname, self.createmode, notindexed) | |
| 393 return util.atomictempfile(f, mode, self.createmode, | 396 return util.atomictempfile(f, mode, self.createmode, |
| 394 checkambig=checkambig) | 397 checkambig=checkambig) |
| 395 try: | 398 try: |
| 396 if 'w' in mode: | 399 if 'w' in mode: |
| 397 util.unlink(f) | 400 util.unlink(f) |
| 405 nlink = 2 # force mktempcopy (issue1922) | 408 nlink = 2 # force mktempcopy (issue1922) |
| 406 except (OSError, IOError) as e: | 409 except (OSError, IOError) as e: |
| 407 if e.errno != errno.ENOENT: | 410 if e.errno != errno.ENOENT: |
| 408 raise | 411 raise |
| 409 nlink = 0 | 412 nlink = 0 |
| 410 util.makedirs(dirname, self.createmode, notindexed) | 413 if makeparentdirs: |
| 414 util.makedirs(dirname, self.createmode, notindexed) | |
| 411 if nlink > 0: | 415 if nlink > 0: |
| 412 if self._trustnlink is None: | 416 if self._trustnlink is None: |
| 413 self._trustnlink = nlink > 1 or util.checknlink(f) | 417 self._trustnlink = nlink > 1 or util.checknlink(f) |
| 414 if nlink > 1 or not self._trustnlink: | 418 if nlink > 1 or not self._trustnlink: |
| 415 util.rename(util.mktempcopy(f), f) | 419 util.rename(util.mktempcopy(f), f) |