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Fix crash when unlocking an mbox after dotlocking failed with EACCES

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If we don't have sufficient permissions to create a dotlock for an mbox file,
record that, and don't try to remove the dotlock when unlocking the mbox
later.
This commit is contained in:
Nikolaus Schulz 2010-07-30 13:24:36 +02:00
parent 71485f2469
commit eadedf27d0
1 changed files with 4 additions and 1 deletions
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archivemail
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@ -323,6 +323,7 @@ class LockableMboxMixin:
self.mbox_file = mbox_file
self.mbox_file_name = mbox_file_name
self._locked = False
self._use_dotlock = True
def lock(self):
"""Lock this mbox with both a dotlock and a posix lock."""
@ -386,6 +387,7 @@ class LockableMboxMixin:
if not options.quiet:
user_warning("no write permissions: omitting dotlock for '%s'" % \
self.mbox_file_name)
self._use_dotlock = False
return
raise
try:
@ -411,7 +413,8 @@ class LockableMboxMixin:
def _dotlock_unlock(self):
"""Delete the dotlock file for the 'mbox' mailbox."""
assert self.mbox_file_name
if not self._use_dotlock:
return
lock_name = self.mbox_file_name + options.lockfile_extension
vprint("removing lockfile '%s'" % lock_name)
os.remove(lock_name)