File perl-Carp-Clan.spec of Package perl-Carp-Clan

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File perl-Carp-Clan.spec of Package perl-Carp-Clan (Revision b9053e7799fa0f55a806dd07acbddf79)

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#
# spec file for package perl-Carp-Clan (Version 6.04)
#
# Copyright (c) 2010 SUSE LINUX Products GmbH, Nuernberg, Germany.
#
# All modifications and additions to the file contributed by third parties
# remain the property of their copyright owners, unless otherwise agreed
# upon. The license for this file, and modifications and additions to the
# file, is the same license as for the pristine package itself (unless the
# license for the pristine package is not an Open Source License, in which
# case the license is the MIT License). An "Open Source License" is a
# license that conforms to the Open Source Definition (Version 1.9)
# published by the Open Source Initiative.

# Please submit bugfixes or comments via http://bugs.opensuse.org/
#

# norootforbuild

Name:           perl-Carp-Clan
%define cpan_name Carp-Clan
Summary:        Carp::Clan Perl module
Version:        6.04
Release:        6
License:        GPL+ or Artistic
Group:          Development/Libraries/Perl
Url:            http://search.cpan.org/dist/Carp-Clan/
#Source:         http://www.cpan.org/authors/id/S/ST/STBEY/Carp-Clan-6.04.tar.gz
Source:         %{cpan_name}-%{version}.tar.bz2
BuildArch:      noarch
BuildRoot:      %{_tmppath}/%{name}-%{version}-build
BuildRequires:  perl
%if 0%{?suse_version} < 1120
BuildRequires:  perl-macros
%endif
BuildRequires:  perl(Test::Exception)
Requires:       perl = %{perl_version}
Requires:       perl(Test::Exception)

%description
This module is based on "'Carp.pm'" from Perl 5.005_03. It has been
modified to skip all package names matching the pattern given in the "use"
statement inside the "'qw()'" term (or argument list).

Suppose you have a family of modules or classes named "Pack::A", "Pack::B"
and so on, and each of them uses "'Carp::Clan qw(^Pack::);'" (or at least
the one in which the error or warning gets raised).

Thus when for example your script "tool.pl" calls module "Pack::A", and
module "Pack::A" calls module "Pack::B", an exception raised in module
"Pack::B" will appear to have originated in "tool.pl" where "Pack::A" was
called, and not in "Pack::A" where "Pack::B" was called, as the unmodified
"'Carp.pm'" would try to make you believe ':-)'.

This works similarly if "Pack::B" calls "Pack::C" where the exception is
raised, etcetera.

In other words, this blames all errors in the "'Pack::*'" modules on the
user of these modules, i.e., on you. ';-)'

The skipping of a clan (or family) of packages according to a pattern
describing its members is necessary in cases where these modules are not
classes derived from each other (and thus when examining '@ISA' - as in the
original "'Carp.pm'" module - doesn't help).

The purpose and advantage of this is that a "clan" of modules can work
together (and call each other) and throw exceptions at various depths down
the calling hierarchy and still appear as a monolithic block (as though
they were a single module) from the perspective of the caller.

In case you just want to ward off all error messages from the module in
which you "'use Carp::Clan'", i.e., if you want to make all error messages
or warnings to appear to originate from where your module was called (this
is what you usually used to "'use Carp;'" for ';-)'), instead of in your
module itself (which is what you can do with a "die" or "warn" anyway), you
do not need to provide a pattern, the module will automatically provide the
correct one for you.

I.e., just "'use Carp::Clan;'" without any arguments and call "carp" or
"croak" as appropriate, and they will automatically defend your module
against all blames!

In other words, a pattern is only necessary if you want to make several
modules (more than one) work together and appear as though they were only
one.

Forcing a Stack Trace
    As a debugging aid, you can force "'Carp::Clan'" to treat a "croak" as
    a "confess" and a "carp" as a "cluck". In other words, force a detailed
    stack trace to be given. This can be very helpful when trying to
    understand why, or from where, a warning or error is being generated.

This feature is enabled either by "importing" the non-existent symbol
    'verbose', or by setting the global variable "'$Carp::Clan::Verbose'"
    to a true value.

You would typically enable it by saying

use Carp::Clan qw(verbose);

Note that you can both specify a "family pattern" and the string
    "verbose" inside the "'qw()'" term (or argument list) of the "use"
    statement, but consider that a pattern of packages to skip is pointless
    when "verbose" causes a full stack trace anyway.

Authors:
--------
    Joshua ben Jore <jjore@cpan.org>
    Steffen Beyer <stbey@cpan.org>

%prep
%setup -q -n %{cpan_name}-%{version}

%build
%{__perl} Makefile.PL INSTALLDIRS=vendor
%{__make} %{?_smp_mflags}

%check
%{__make} test

%install
%perl_make_install
### since 11.4 perl_process_packlist
### removes .packlist, perllocal.pod files
%if 0%{?suse_version} > 1130
%perl_process_packlist
%else
# do not perl_process_packlist
# remove .packlist file
%{__rm} -rf $RPM_BUILD_ROOT%perl_vendorarch
# remove perllocal.pod file
%{__rm} -f $RPM_BUILD_ROOT%perl_archlib/perllocal.pod
%endif
%perl_gen_filelist

%clean
%{__rm} -rf $RPM_BUILD_ROOT

%files -f %{name}.files
%defattr(-,root,root,-)
%doc Changes README license/*

%changelog

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