questions on package management

[Eddie G. O'Connor Jr.]

On 07/12/2013 09:11 PM, lee wrote:
> Hi,
>
> imagine you have the following:
>
>
> package A, depends on C, installed
> package B, depends on C, not installed
> package C, installed
>
>
> All the packages are version 1.  After a while, you install package B,
> and in the meantime, package B has been updated to version 2 so that it
> now depends on version 2 of package C.
>
> What will happen?
>
>
> + install B and update A and C?
> + install B and update C and leave A as is?
> + something else?
>
>
> Another question: It is possible to have version 1 and version 2 of
> package A installed at the same time, like version 1 from Fedora 17 and
> version 2 from Fedora 18.  Imagine this package A provides a file
> '/bin/ls'.
>
> Which version of '/bin/ls' will be the one in use?  What about
> compatibility issues in such a case?
>
> (Please don't say it's not possible; I have had it happen.)
>
>
Hmm....well I'm not sure how I would go about fixing that.....maybe just 
purge them all and get the latest versions from the repo?....


EGO II