[OE-core] [oe-core] How to query installed rpm packages

[Giuseppe Condorelli]

Hi All,

I need to query, via rpm command, the packages installed building an own
image recipe.
I know the populate_rootfs step for images uses rpm to install the packages
(if we set PACKAGE_CLASSES).
To do this it sets a dbpath and a root path for installing the packages.
I need to know how to query them (rpm -qa ....) given that dbpath is set to
/var/lib/rpm but I think it actually doesn't override
the real /var/lib/rpm database (also I'm not building as superuser).

Please can you help me?
Best Regards,
Giuseppe
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