How to trigger a hydra when entering evil-mode normal state?

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Asked 2 years ago

Modified 2 years ago

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I have the following:

(use-package evil
  :hook
  (after-init . evil-mode)
  (evil-normal-state-entry . hydra-evil/body))

When leaving the emacs state (with C-z) and entering normal state, all my buffers are killed and the *Messages* buffer reads:

walk-window-tree-1: Lisp nesting exceeds ‘max-lisp-eval-depth’

Here is the backtrace if relevant: http://ix.io/2sI9

asked Jul 30, 2020 at 15:27

Mathieu Marques

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It would help if you'd state why your use-package code doesn't solve the problem. I've tried writing the equivalent without use-package and ran into bizarre errors. Knowing that much helps tremendously to figure out how to answer this question.
– wasamasa
Jul 30, 2020 at 16:19
@wasamasa Looks like the end of my post didn't get through, added the error encountered.
– Mathieu Marques
Jul 30, 2020 at 16:36
Both the error message and the backtrace indicate an "infinite" recursion. Beyond that, you got to debug :-)
– NickD
Jul 30, 2020 at 18:59
@NickD But why would the hook run more than once?
– Mathieu Marques
Jul 30, 2020 at 21:07
There is some unexpected interaction: evil-initialize runs tte evil-normal-state-hook which calls into hydra, which tries to leave a hint in the lv window. That somehow invokes fundamental-mode which runs the after-change-major-mode-hook which calls evil-mode-enable-in-buffers which calls evil-initialize and the whole thing repeats. You've got to break the cycle somewhere, but I know nothing about evil and almost nothing about hydra, so I won't be able to help.
– NickD
Jul 30, 2020 at 21:38

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