Hi,

> On 23. May 2018, at 15:23, Berthold Stoeger <[email protected]> 
> wrote:
> 
> Under which circumstances do we note that the file changed? The only way I
> currently know of is when the thumbnail is recalculated.

that was at least intended. As I said, I introduced the hashes originally as an 
abstraction of filename/path in order to be able to show the log on different 
machines (including different OSs with different path conventions) as long as 
the files are in some form locally available. So when loading via the hash 
(meaning: from the hash we would infer the actual filename) we would still 
compute the hash of the file that was loaded and update the hash accordingly in 
the log.

It was only later that the hash was also used as a key to coached thumbnails.

Best
Robert

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