Declare version conflicts for your dist

One shortcoming of the CPAN clients that currently exist is that they have
no way of specifying conflicting downstream dependencies of modules. This
module attempts to work around this issue by allowing you to specify
conflicting versions of modules separately, and deal with them after the
module is done installing.

For instance, say you have a module 'Foo', and some other module 'Bar' uses
'Foo'. If 'Foo' were to change its API in a non-backwards-compatible way,
this would cause 'Bar' to break until it is updated to use the new API.
'Foo' can't just depend on the fixed version of 'Bar', because this will
cause a circular dependency (because 'Bar' is already depending on 'Foo'),
and this doesn't express intent properly anyway - 'Foo' doesn't use 'Bar'
at all. The ideal solution would be for there to be a way to specify
conflicting versions of modules in a way that would let CPAN clients update
conflicting modules automatically after an existing module is upgraded, but
until that happens, this module will allow users to do this manually.

This module accepts a hash of options passed to its 'use' statement, with
these keys being valid:

* -conflicts

A hashref of conflict specifications, where keys are module names, and
values are the last broken version - any version greater than the
specified version should work.

* -also

Additional modules to get conflicts from (potentially recursively). This
should generally be a list of modules which use Dist::CheckConflicts,
which correspond to the dists that your dist depends on. (In an ideal
world, this would be intuited directly from your dependency list, but the
dependency list isn't available outside of build time).

* -dist

The name of the distribution, to make the error message from
check_conflicts more user-friendly.

The methods listed below are exported by this module into the module that
uses it, so you should call these methods on your module, not
Dist::CheckConflicts.

As an example, this command line can be used to update your modules, after
installing the 'Foo' dist (assuming that 'Foo::Conflicts' is the module in
the 'Foo' dist which uses Dist::CheckConflicts):

perl -MFoo::Conflicts -e'print "$_\n"
for map { $_->{package} } Foo::Conflicts->calculate_conflicts' | cpanm

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Source Files
Filename Size Changed Actions
Dist-CheckConflicts-0.02.tar.gz 0000015461 15.1 KB over 8 years
perl-Dist-CheckConflicts-old_Test-More.patch 0000001832 1.79 KB about 8 years
perl-Dist-CheckConflicts.changes 0000000411 411 Bytes about 8 years
perl-Dist-CheckConflicts.spec 0000004388 4.29 KB over 7 years
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