[Octave-bug-tracker] [bug #53841] Could not copy help collection to temporary file. Cannot load sqlite database driver! with Qt 5.12

[Markus Mützel]

Follow-up Comment #35, bug #53841 (project octave):

Sorry for the confusion, I really should have opened a new bug report.

In libgui/src/documentation.cc (documentation::documentation) we call
m_help_engine->copyCollectionFile (m_collection) to copy the collection file
from its original (write-protected) location to the temp directory. That was
failing for me.
After running, Octave once as an administrator (i.e. with write access to the
location the collection file is stored) the error disappeared. During this
run, the collection file changed in size.
That makes me believe that copyCollectionFile writes to the file at its
original location, which I think it shouldn't need to.

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