[CentOS] determining what depends on a rpm

Sat Dec 15 23:07:36 UTC 2018
Gordon Messmer <gordon.messmer at gmail.com>

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 ; }