With this commit package manager are always set to include only
required packages or set to include required and recommended
packages.
This commit fixes#285
The request_package_lock was renamed into request_package_exclusion
because that is the goal, to actually exclude(skip) a package. From
an implementation point of view this is done to set a lock in the
zypper case. However other package managers might do it differently.
The interface should stay consistent with regards to the user goal
and not with the package manager specific implementation. This
Fixes#248
Zypper supports the al (add lock) command which allows to ignore
a package in the dependecny resolution process. This is useful
to prevent installation of a package which was pulled in by e.g
a recommendation flag from the spec file. Packages marked to be
ignored are not handled for apt and yum right now. Using this
feature together with an unsupported package manager backend
results in a warning to the user
The ZYPP_CONF path is provided as part of the caller environment
and not as a zypper caller parameter. However the path adaptions
when calls happens chrooted was only done for the commandline
arguments but not for the command environment. This patch also
adapts the environment, related to Issue #133
nose is no longer maintained, thus we have to move to another
testing system. This commit updates the tox setup and all tests
to use pytest instead of nose.
