On 2018-12-23 15:28, Patrick Shanahan wrote:
* I. Ivanov <iv3...@gmail.com> [12-23-18 17:57]:
Hi Guys,
I had an unfortunate event to clear metadata from about 600 images (it took
me close to 3h to restore as much as I could).
Because there is no "undo" this brings me to the question.
What can I do to have a good backup for such cases? I can backup easily (and
very frequent) "/home/myhome/.config/darktable"
However - if metadata (or tags) happen to be deleted by accident and I
restore the DB - how can I push the DB to re populate the XMP files?
perhaps (not tried), remove the images from the db
import the images again
will/should read the accompaning xmp files
or, maybe just telling dt to read the xmp files will work
Not sure if I expressed myself correctly... If I backup
"/home/myhome/.config/darktable" then data.db and library.db would be the
"correct" ones.
To my best knowledge - when Darktable works - it uses data from the .DB files
(not from .XMP) and when the file changes - it populates the data to .XMP
The reason why I am trying to backup the database (as an opposite to the .XMP)
is because I can easily backup the DB in the cloud with multiple versions (and
restore what I need). I wouldn't be able to easily restore the .XMP files (to
the belonging locations) even if I manage to accelerate the frequency of their
backups.
DT can check for changed .XMP files but I am under impression that the checking
and populating of changes is unidirectional - XMP to DB (not DB to XMP). Is it
possible at all to push what is stored in the .DB files to the .XMP? For
example - can I delete the .XMP files and rely that the information stored in
the .DB would create accurate .XMP for all files that are missing the .XMP?
Regards,
B
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