I don't think we need inotify or some "live" notifier. I think people
should close one program before to start the new one, especially
considering that there is no lock mechanism defined using xmp. Anyway I
think it should be user settable, and possibly also to select what part
should be refreshed.
My user cases are:
- using an external georeferencing/geotagging tool (I usually curios to
quick check my photo, before to do the geotagging)
- handling keywords outside darktable (bulk changes)
BTW git can scan for modified file very fast (e.g. on kernel, 44k files).
Probably we should check how git work. I think git store modification data
of directories, so not to traverse untouched subtrees.
ciao
cate
On Mon, Oct 14, 2013 at 3:26 PM, Rob Z. Smith <rzsm...@nhbc.co.uk> wrote:
>
>
> I’ve found it very easy and efficient to do that sort of stuff with
> ‘inotify’ where you can pretty much instantly call an application/script
> based on system file-open/close/modify/read event and don’t need to do
> any scanning. It only works on files or directories though – not a
> hierarchical directory tree.
>
>
>
> Rgds,
>
> Rob.
>
>
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> I think you would need to setup some file system notification thing to
> find out if and when an xmp file changed. i have no idea how you would do
> that if dt isn't running already. you would need to rescan all your xmp
> (several 10k for me) at startup. unless there is a clever way to prune that
> (hierarchical checksums with support in the file system..?) i think i'm not
> willing to pay the performance penalty for this..
>
> you can also re-read the xmp as soon as an image turns up in lighttable
> mode.. but that would not read new tags etc which potentially affect your
> collection. so if you collect by a certain tag and load xmp on demand your
> lighttable view might jump and keep adding/removing images.
>
> j.
>
>
>
>
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