Mailinglist Archive: zypp-devel (56 mails)

[Jan Kupec <jkupec@xxxxxxx>]

Boyd Timothy wrote:
> I'm trying to implement:
>
> 1) GetDepends (http://www.packagekit.org/pk-reference.html#api-get-depends)
>     - GetDepends should return packages that this package depends on.
> 2) GetRequires (http://www.packagekit.org/pk-reference.html#api-get-requires)
>     - GetRequires should return packages that depend on this package.

I am interested in this, too, since i need to get that functionality
into zypper. Using this code:

  CapSet capSet = pool_item.resolvable()->dep(zypp::Dep::PROVIDES);
  for (CapSet::const_iterator it = capSet.begin();
       it != capSet.end(); ++it) {
    cout << it->refers().asString() << ": " << it->asString()
         << " --> " << it->kind() << endl;
  }

  cout << endl << _("Requires:") << endl;
  capSet = pool_item.resolvable()->dep(zypp::Dep::REQUIRES);
  for (CapSet::const_iterator it = capSet.begin();
       it != capSet.end(); ++it) {
    cout << it->refers().asString() << ": " << it->asString()
         << " --> " << it->kind() << endl;
  }


yields the following result (for zypper package):


Provides:
package: y2pmsh --> namedcap
package: zypper == 0.9.2-4 --> namedcap
package: /etc/logrotate.d/zypper.lr --> filecap
package: /usr/bin/installation_sources --> filecap
package: /usr/bin/zypper --> filecap
package: /usr/sbin/zypp-checkpatches --> filecap
package: /usr/sbin/zypp-checkpatches-wrapper --> filecap

Requires:
package: procps --> namedcap
package: permissions --> namedcap
package: libc.so.6(GLIBC_2.2.5)(64bit) --> namedcap
package: libpthread.so.0()(64bit) --> namedcap
package: libstdc++.so.6()(64bit) --> namedcap
package: libm.so.6()(64bit) --> namedcap
package: libc.so.6()(64bit) --> namedcap
package: libpthread.so.0(GLIBC_2.2.5)(64bit) --> namedcap
package: libstdc++.so.6(CXXABI_1.3)(64bit) --> namedcap
package: libc.so.6(GLIBC_2.4)(64bit) --> namedcap
package: libstdc++.so.6(GLIBCXX_3.4)(64bit) --> namedcap
package: libgcc_s.so.1()(64bit) --> namedcap
package: libgcc_s.so.1(GCC_3.0)(64bit) --> namedcap
package: libstdc++.so.6(GLIBCXX_3.4.9)(64bit) --> namedcap
package: libreadline.so.5()(64bit) --> namedcap
package: libboost_regex.so.1.33.1()(64bit) --> namedcap
package: libzypp.so.401()(64bit) --> namedcap
package: /bin/sh --> filecap


For example, i wonder about the dependency of zypper on libzypp
_package_ (specified through BuildRequires in the spec file) which is
represented by
package: libzypp.so.401()(64bit) --> namedcap
in the list above.

How do i get 'libzypp > 3.23.1' out of it? Is it possible at all? It is
not even in the generated (yum factory) metadata:
<rpm:entry name="libzypp.so.401"/>

I can imagine searching byName "libzypp" byKind package and checking
which one of them provides libzypp.so.401. But i won't figure out
libzypp > 3.23.1 out of it.

Jano
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