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Editorial Team
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Asked: 2026-05-30T23:04:24+00:00

I have a Rails RSpec file which looks something like require ‘spec_helper’ describe Something

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I have a Rails RSpec file which looks something like

require 'spec_helper'

describe "Something" do
  ...
end

When I try to use Ctrl+N to autocomplete anything in that file, I get:

Screenshot of the error message

Text version:

Scanning included file: spec_helper.rb
E854: path too long for completion
Press ENTER or type command to continue

If I Ctrl+C this, it completes my word perfectly.

To avoid Vim to autocomplete by using included files I can do:

:set complete-=i

But that’s not the root of the issue.

How can I fix this?

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1 Answer

  1. Editorial Team

    Ok,

    It results that I am using MacVim, and like romainl commented in the original post, the issue is related to a bug in ruby.vim. In this Stack Overflow post the third answer candidate actually suggests a possible cause (correctly), which is related to a bug in ruby.vim ( an old version is using a deprecated function ).

    MacVim (Snapshot 64) is supplied with the old rails.vim, so to fix this I went into MacVim.app/Contents/Resources/vim/runtime/ftplugin and did wget to the raw file in the official rails.vim plug-in repo

    This fixed the issue for me.

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