[Yum-devel] [PATCH] Bug in rpmUtils/transaction.py

[David Lutterkort]

[I sent this a while ago, but it seems to have fallen through the crack.
Could somebody review and commit ? ]

Hi,

transaction.py has a small bug in TransactionWrapper.returnLeafNodes as
can be seen by comparing the output of 'rpm -q --whatrequires evolution' with that of
'package-cleanup --all --leaves | grep evolution'. The former shows that
evolution is not required  by anything, the latter shows that
package-cleanup does not consider evolution a leaf package.

The problem is that packages that require things that they also provide
are not correctly recognized as leaf packages. The attached patch fixes
that; it is a little complicated by dealing with the following
situation: package A provides P and requires P, package B requires P -
in that situation, A is not a leaf package. To deal with this correctly,
the patch builds a dictionary from all the REQUIRE_NAMES to the _set_ of
packages that have this requirement (instead of a random element of that
set).

David

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