On 12/15/18 1:05 PM, Frank Cox wrote:
Ultimately it would be very useful to have some kind of a tool that would 
generate a report from the rpms installed on a system and tell you exactly what 
depends on what else.  Among other things you could use that report to remove 
stuff that's not needed in any installation.


While not a simple answer, this bash function will provide what you're looking for:

whatrequires () { (rpm -q --qf '%{NAME}\n' "$1" ; rpm -q --provides "$1" ) | tr \\n \\0 | xargs -0 rpm -q --whatrequires ; }


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