On 06/10/2015 12:24 AM, Ed Greshko wrote:
But, just to be clear, the issue I'm addressing is what an average
user may do in a given circumstance. Upon seeing an error message
such as this one,
error while loading shared libraries: /lib64/libexempi.so.3: file too
short
assuming they know of dnf whatprovides I think it is more likely they
will simply use copy/paste and issue the command "dnf whatprovides
/lib64/libexempi.so.3"
Interesting. I've never actually seen an error with an installed shared
object, so I never considered that you'd query one with "whatprovides."
In that case, I agree with you. rpm and dnf behave differently with
such a query (which I also did not know):
$ rpm -q --whatprovides /lib64/libXv.so.1.*
libXv-1.0.10-2.fc22.x86_64
$ dnf whatprovides /lib64/libXv.so.1.*
Error: No Matches found
dnf really should behave the same way as rpm. If possible, it should
call the rpm library functions for the query, rather than
re-implementing them.
Yes, rpm can tell you this *if* the file and providing package exists
on your system. But, it is usual that you get a message about
something missing and that is where you need dnf.
Yes, but in the case where something is missing, you won't get a path.
You'll get a shared object name, and querying that with "dnf
whatprovides" will work correctly, as it is.
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