Am Sonntag, 6. Januar 2013, 16:32:09 schrub Torsten Bronger: > Hallöchen! > > Federico Bruni writes: > > [...] > > > > I suggest the following: > > > > """ > > How do I move/rename/... files on my hard disk? > > Since version 1.1 Darktable supports copying/moving/renaming files. In > > case you prefer using your file manager or command line, be aware that > > you should first remove the files from the database, then rename them > > (including the .xmp files) and finally reimport them in Darktable. > > """ > > This proposal makes me raising an issue again which has been > discussed already two months ago: What benefit do we have from the > library.db having precedence over XMP files? In my opinion, every > DB entry must have a timestamp (maybe it already has), and if the > XMP file is newer, the image is automatically re-imported. > > - Comparing timestamps is extremely fast compared with almost all > other operations DT has to do. They are reliable, too (people are > backuping and rsyncing with them everywhere). > - People expect that moving a file together with its sidecar file > "just works". > - Synchronisation between many computers becomes easier. > - Restoring from backups is easier. > > "easier" means here not only a matter of convenience but also a > matter of avoiding data loss!
I totally like the idea and think it would 1) solve a lot of problems and 2) be quite fast, too. It has even been discussed a few times. The only problem is that it wouldn't work, because, contrary to your assumption, time stamps are totally unreliable. For one you can't be sure that two computers have clocks running in sync. You also don't know if the file system updates time stamps. You also don't know if the copy mechanism preserves the time stamps of the files. There are too many unknowns to make this a feasible solution. But apart from that it's really brilliant. > Tschö, > Torsten. Tobias
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