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comparison mercurial/posix.py @ 49307:6f2a57ba2d13

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py3: catch PermissionError instead of checking errno == EACCES
author Manuel Jacob <me@manueljacob.de>
date Tue, 31 May 2022 23:38:51 +0200
parents 2e726c934fcd
children 050dc8730858
comparison
equal deleted inserted replaced
49306:2e726c934fcd 49307:6f2a57ba2d13
300 # already exists. 300 # already exists.
301 target = b'checklink-target' 301 target = b'checklink-target'
302 try: 302 try:
303 fullpath = os.path.join(cachedir, target) 303 fullpath = os.path.join(cachedir, target)
304 open(fullpath, b'w').close() 304 open(fullpath, b'w').close()
305 except IOError as inst: 305 except PermissionError:
306 # pytype: disable=unsupported-operands 306 # If we can't write to cachedir, just pretend
307 if inst[0] == errno.EACCES: 307 # that the fs is readonly and by association
308 # pytype: enable=unsupported-operands 308 # that the fs won't support symlinks. This
309 309 # seems like the least dangerous way to avoid
310 # If we can't write to cachedir, just pretend 310 # data loss.
311 # that the fs is readonly and by association 311 return False
312 # that the fs won't support symlinks. This
313 # seems like the least dangerous way to avoid
314 # data loss.
315 return False
316 raise
317 try: 312 try:
318 os.symlink(target, name) 313 os.symlink(target, name)
319 if cachedir is None: 314 if cachedir is None:
320 unlink(name) 315 unlink(name)
321 else: 316 else: