RPM-NEVRA

NEVRA is the best format to describe an RPM with full details.  The problem is,
rpm's handling of epoch is different from how repoquery handles epoch.  rpm
omits the epoch when undefined, whereas repoquery thinks epoch was
insignificant.  This subtle difference leads to incomplete queries such as this:

    $ repoquery bind-9.10.2-2.P1.fc22.x86_64
    bind-32:9.10.2-2.P1.fc22.x86_64

In the above example, I had the bind package from rpm -qa, which omitted epoch
because it was undefined.  However, when I feed it to repoquery, it gave me back
with a package with epoch of 32.  This was an ambiguous query and the solution
is to ALWAYS specify the epoch in repoquery queries.

    use RPM::NEVRA;

    my $obj = RPM::NEVRA->new();
    my %info = $obj->parse_nevra('bind-32:9.10.2-2.P1.fc22.x86_64');
    print $info{epoch}; # prints 32

    my $is_nevra = $obj->is_nevra('bind-9.10.2-2.P1.fc22.x86_64'); # returns ( 0, 'epoch' ) since it is missing epoch
    my $str = $obj->convert_to_nevra('bind-9.10.2-2.P1.fc22.x86_64'); # returns 'bind-0:9.10.2-2.P1.fc22.x86_64'

INSTALLATION

To install this module, run the following commands:

	perl Makefile.PL
	make
	make test
	make install

SUPPORT AND DOCUMENTATION

After installing, you can find documentation for this module with the
perldoc command.

    perldoc RPM::NEVRA

You can also look for information at:

    RT, CPAN's request tracker (report bugs here)
        http://rt.cpan.org/NoAuth/Bugs.html?Dist=RPM-NEVRA

    AnnoCPAN, Annotated CPAN documentation
        http://annocpan.org/dist/RPM-NEVRA

    CPAN Ratings
        http://cpanratings.perl.org/d/RPM-NEVRA

    Search CPAN
        http://search.cpan.org/dist/RPM-NEVRA/


LICENSE AND COPYRIGHT

Copyright (C) 2015 Satoshi Yagi

This program is free software; you can redistribute it and/or modify it
under the terms of the the Artistic License (2.0). You may obtain a
copy of the full license at:

L<http://www.perlfoundation.org/artistic_license_2_0>

Any use, modification, and distribution of the Standard or Modified
Versions is governed by this Artistic License. By using, modifying or
distributing the Package, you accept this license. Do not use, modify,
or distribute the Package, if you do not accept this license.

If your Modified Version has been derived from a Modified Version made
by someone other than you, you are nevertheless required to ensure that
your Modified Version complies with the requirements of this license.

This license does not grant you the right to use any trademark, service
mark, tradename, or logo of the Copyright Holder.

This license includes the non-exclusive, worldwide, free-of-charge
patent license to make, have made, use, offer to sell, sell, import and
otherwise transfer the Package with respect to any patent claims
licensable by the Copyright Holder that are necessarily infringed by the
Package. If you institute patent litigation (including a cross-claim or
counterclaim) against any party alleging that the Package constitutes
direct or contributory patent infringement, then this Artistic License
to you shall terminate on the date that such litigation is filed.

Disclaimer of Warranty: THE PACKAGE IS PROVIDED BY THE COPYRIGHT HOLDER
AND CONTRIBUTORS "AS IS' AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES.
THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED TO THE EXTENT PERMITTED BY
YOUR LOCAL LAW. UNLESS REQUIRED BY LAW, NO COPYRIGHT HOLDER OR
CONTRIBUTOR WILL BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, OR
CONSEQUENTIAL DAMAGES ARISING IN ANY WAY OUT OF THE USE OF THE PACKAGE,
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.