Deleting $HOME/.kde/share/config/digikamrc fixed it, as it asked me
where my pictures directory is.
Now I know what happened:
1. I had my pictures directory set to $HOME/Pictures
2. I moved $HOME/Pictures to another subdir, $HOME/HDD/Pictures
3. Next time I started digikam it started crawling $HOME, using 170% CPU
I think there is a bug here, if it can't find my Pictures dir it should
ask me again where it is, not crawl crazily all over the place.
Also the Cancel button in the crawl dialog should work, I can't wait for
hours until it crawls all my dirs.
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