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Subject: Re: [PATCH 2/2] profiles: Add xdg-mime-database hook.
Date: Sun, 31 Jan 2016 20:32:56 +0800
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The xdg-desktop-database hook rebuilds the 'mimeinfo.cache' database
from desktop files of applications, which then is used to decide the
"Default Application" (in thunar, nautilus, etc.) for a MIME type.

The xdg-mime-database hook rebuilds the 'mime.cache' database,
it's the shared mime-info database used to decide the MIME type for
files.