Log message:
devel/ruby-iruby: add support for pkg_alternatives

Add ALTERNATIVES file.

Log message:
devel/ruby-iruby: update to 0.7.0

0.7.0 (2021-05-28)

Enhancements
* The default backend is changed to IRB (@mrkn)
* Add IRuby::Kernel#switch_backend! method (@mrkn)

Bug Fixes
* Fix the handling of image/svg+xml
  https://github.com/SciRuby/iruby/pull/300,
  https://github.com/SciRuby/iruby/pull/301 (@kojix2)

0.6.1 (2021-05-26)

Bug Fixes
* Follow the messages and hooks orders during execute_request processing
  (@mrkn)

0.6.0 (2021-05-25)

Bug Fixes
* Fix the handling of application/javascript
  https://github.com/SciRuby/iruby/issues/292,
  https://github.com/SciRuby/iruby/pull/294 (@kylekyle, @mrkn)

Enhancements
* Add the initialized event in IRuby::Kernel class
  https://github.com/SciRuby/iruby/pull/168,
  https://github.com/SciRuby/iruby/pull/296 (@Yuki-Inoue, @mrkn)
* Add the following four events https://github.com/SciRuby/iruby/pull/295
  (@mrkn):
  - pre-execute -- occurs before every code execution
  - pre-run-cell -- occurs before every non-silent code execution
  - post-execute -- occurs after every code execution
  - post-run-cell -- occurs after every non-silent code execution
* Replace Bond with IRB in PlainBackend
  https://github.com/SciRuby/iruby/pull/276,
  https://github.com/SciRuby/iruby/pull/297 (@cfis, @mrkn)

Log message:
devel/ruby-iruby: update to 0.5.0

0.5.0 (2021-03-25)

Bug Fixes:

  * Fix Jupyter console crashes issue
    https://github.com/SciRuby/iruby/pull/210 (@kojix2)
  * Fix syntax highlighting issue on Jpyter Lab
    https://github.com/SciRuby/iruby/issues/224 (@kojix2)
  * Fix interoperability issue with ruby-git
    https://github.com/SciRuby/iruby/pull/139 (@habemus-papadum)
  * Fix the issue of `$stderr.write` that cannot handle multiple arguments
    https://github.com/SciRuby/iruby/issues/206 (@kojix2)
  * Remove a buggy `inspect_request` implementation
    https://github.com/SciRuby/iruby/pull/119 (@LunarLanding)
  * Fix uninitialized constant `Fiddle` caused in initialization phase
    https://github.com/SciRuby/iruby/issues/264 (@MatthewSteen, @kjoix2)
  * Fix the issue on displaying a table
    https://github.com/SciRuby/iruby/pull/281 (@ankane)

Enhancements:

  * Add `IRuby.clear_output` method
    https://github.com/SciRuby/iruby/pull/220 (@kojix2)
  * Make backtrace on exception simplify and more appropriate for code in a
    cell https://github.com/SciRuby/iruby/pull/249 (@zheng-yongping)
  * Make syntax error message more appropriate
    https://github.com/SciRuby/iruby/pull/251 (@zheng-yongping)
  * Remove top-level `In` and `Out` constants
    https://github.com/SciRuby/iruby/pull/229 (@kojix2)
  * Use text/plain for the default format of `Numo::NArray` objects
    https://github.com/SciRuby/iruby/pull/255 (@kojix2)
  * Use ffi-rzmq as the default ZeroMQ adapter
    https://github.com/SciRuby/iruby/pull/256 (@kojix2)
  * Drop rbczmq support https://github.com/SciRuby/iruby/pull/260
    (@rstammer)
  * Add ruby-vips image support https://github.com/SciRuby/iruby/pull/279
    (@ankane)
  * Replace mimemagic with mime-types
    https://github.com/SciRuby/iruby/pull/291 (@mrkn)

Log message:
Add "USE_LANGUAGES=	# none" for pure Ruby packages.

Log message:
devel/ruby-iruby: import ruby27-iruby-0.4.0

IRuby is a Ruby kernel for Jupyter project.