Add open-ended rake dependency

[mattrayner]

In order to address [#57] I have added an open-ended Rake dependency to this gem. Currently when building in environments such as Ubuntu or Alpine linux with applications such as Sinatra (that do not require rake) any gem including Rainbow will cause bundler to fail.

We may want to look at what version of Rake you really require. But in the meantime, a dependency on Rake should be added to the gemspec ASAP

[ku1ik]

Hey @mattrayner. I'll be releasing rainbow v3.0 very soon, which doesn't have this problem (it doesn't have native ext, doesn't require rake).

We're discussing it here: https://github.com/sickill/rainbow/pull/46#issuecomment-293338766

[ku1ik]

Thanks! Releasing 2.2.2 with this patch right now.

[mattrayner]

Thanks Marcin Kulik :-) On Fri, 21 Apr 2017 at 14:00 Marcin Kulik notifications@github.com wrote:

Thanks! Releasing 2.2.2 with this patch right now.

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[ioquatix]

Any update on when rainbow 3.x will be released?

[ku1ik]

@ioquatix Could you use gem "rainbow", github:"sickill/rainbow"` in your Gemfile, and check if all is good? I haven't had time to test this and unfortunately also haven't heard from people whether current master version solves all the rake/installation problems.

[mattrayner]

It fixes it for me 👍🏻 On Wed, 11 Oct 2017 at 08:14 Marcin Kulik notifications@github.com wrote:

@ioquatix https://github.com/ioquatix Could you use gem "rainbow", github:"sickill/rainbow"` in your Gemfile, and check if all is good? I haven't had time to test this and unfortunately also haven't heard from people whether current master version solves all the rake/installation problems.

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[ioquatix]

Can you release this as 2.3?

[ku1ik]

@ioquatix we'll just release 3.0, which is pretty much ready. See #72.

[ioquatix]

Any update on this?