indent by ">" doesn't follow customize-group

[TheBB]

Originally reported by: tass (Bitbucket: tass, GitHub: tass)

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In customize-group, ruby indent level is set to 2. But if I indent by typing ">", 4 spaces are inserted.

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• Bitbucket: https://bitbucket.org/lyro/evil/issue/24

[TheBB]

Original comment by Frank Fischer (Bitbucket: lyro, GitHub: lyro):

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The shift-width of evil is defined by the (customizable) variable evil-shift-width. The reason is that each major mode has its own variable determining the indentation level and I have no idea how to find out the correct value for the currently active major mode in a buffer.

[TheBB]

Original comment by Vegard Øye (Bitbucket: epsil, GitHub: epsil):

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As of commit e845d49, the variable evil-shift-width is buffer-local. You can adapt it to ruby-mode's indent level with the following:

(add-hook 'ruby-mode-hook
          (lambda ()
            (setq evil-shift-width ruby-indent-level)))

This sets the shift width to 2 in Ruby buffers, while other buffers use the default value of 4. (To change the default value, use setq-default.)