Make Rextract quotes configurable (so that one can use single quotes)

[jeromedalbert]

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The rails-:Rextract doc says:

And you issue this command:

    :2,3Rextract post

Your file will change to this:

 1  <div>
 2    <%= render 'post' %>
 3  </div>

'post' uses single quotes, but if you try to reproduce the example and extract to a partial, vim-rails actually uses double quotes. Our team has the exact opposite convention as the one mentioned in #343, i.e. we use single quotes. Maybe we could make them configurable, or revert to single quotes?

[teoljungberg]

:Eunittest my_model! will generate:

require 'spec_helper'

describe MyModel do
end

always using single quotes. Having all quotes being configurable would solve both these issues.

What do you think @tpope? I'd gladly take a stab at this if this is something we want to include in vim-rails.

[tpope]

Changing all the projections to use custom quotes sounds pretty invasive. I wanna know how this is handled in generators before I commit to that.