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quickl version 0.3.0 has been released!

Helper to create commandline ruby programs

* <http://github.com/blambeau/quickl>

Quickl helps you creating commandline ruby programs. From simple commands
with
options to complex delegators with subcommands, global and local options.

This release mostly cleans internals and makes a step toward the public
API.
Upgrading should require your attention, see below. Quickl follows semantic
versioning (http://semver.org/) and has not reached 1.0.0. Best effort is
made
not to break your code when upgrading the tiny version. You should require
quickl as follows:

    gem "quickl", "~> 0.3.0"

Changes:

# 0.3.0 / 2011-07-29

* Upgrading from 0.2.x

This release is mostly compatible with the 0.2.x branch, but may require a
few
changes to your code to avoid deprecation warnings and prepare for 0.4.0
that
will break if you don't. From the most to the less likely:

  * If you originally copied the Help command from examples, please do it
again
    on the new version. The execute method of Help should be:

      sup  uickl.super_command(self)
      sub  args.size ! ) ? sup : Quickl.sub_command!(sup, args.first)
      puts Quickl.help(sub)

  * If you use `usage`, `help`, `overview` or any similar methods in the
context
    of a command (instance or class, except in rdoc-based documentation),
please
    use the equivalent module methods provided by Quickl.

  * If you use methods provided by the Robustness module, notably
valid_read_file!
    and has_subcommand!, please use module methods provided by Quickl
instead.

  * If you override Command#_run, please now override Command#run instead.

  * If you rescue SystemExit when executing Command#run, please now rescue
    Quickl::Error (or any subclass) instead. No change is required if you
rescue
    when executing Command.run, or if you don't rescue on errors at all.

* Bug fixes

  * A single dash option (e.g. -v) is now correctly recognized by a
Delegator
    command ("No such command -v" was previously raised)

* Enhancements

  * Added
Quickl.[command_name,super_command,sub_command,help,overview,usage,
    documentation] as convenient query methods on commands and their
hierarchy.
    These helpers work both on command instances and on command classes and
will
    be part of the public API when stabilized (the same methods on the
Command
    class should be considered private from now on; if you use them, please
    upgrade).

  * Added Quickl.parse_commandline_args that converts a commandline string
to
    an ARGV array. This is mainly provided for testing purposes.

  * Added Quickl.split_commandline_args to split ARGV on the "--" option
    separator

  * Command#parse_options now accepts a second option that allows specifying
    the behavior in presence of '--' option separators. Default behavior is
    backward compatible and conforms to getopt(1). :keep and :split can be
used
    to keep separators in result, or split the latter on separators. Thanks
to
    Brian Candler for pointing to getopt(1) for specification.

* Deprecations

The following methods are deprecated and will be removed in 0.4.0 (run with
ruby -w to see where refactoring is needed). Examples have been adapted and
can
be copy-pasted safely.

  * Command#method_missing auto-delegation from command instances to
command
    classes is deprecated. Please use explicit calls to command methods on
the
    class itself, or tools provided by the Quickl module itself.

  * The robustness methods available in command instances, notably
valid_read_file!
    and has_command! are deprecated and replaced by convenient helpers
available
    as module methods of Quickl itself. The Robustness module will disappear
in
    0.4.0.

* Possibly hurting changes to the internals

  * An unused and undocumented `args` attribute (attr_reader) has been
removed
    from Single commands instances.

  * No default behavior is implemented in Command#run anymore (call was
    previously delegated to _run and surrounded in a begin/rescue/end
block).
    The method is now directly implemented in Single and Delegator
subclasses.
    This may break your code if it redefines _run.

  * Error catching is done in Command.run instead of Command#run. The way
to
    specify how to react to errors did not change.

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