The function spacemacs//set-initial-grep-state is only called by the spacemacs-editing-style-hook but always throws an error because the hook is ran with an argument (the editing style switched to), but the function does not expect any arguments.
At first it seems like one should just add the missing argument, however, it is in fact not necessary to execute this function at all: grep-mode is derived from compilation-mode which is an element of evil-motion-state-modes. Moreover, when using (or temporarily toggling) the emacs editing style, evil-motion-state is overridden with evil-emacs-state by the advice holy-motion-to-emacs-state.
The function
spacemacs//set-initial-grep-stateis only called by thespacemacs-editing-style-hookbut always throws an error because the hook is ran with an argument (the editing style switched to), but the function does not expect any arguments.At first it seems like one should just add the missing argument, however, it is in fact not necessary to execute this function at all:
grep-modeis derived fromcompilation-modewhich is an element ofevil-motion-state-modes. Moreover, when using (or temporarily toggling) the emacs editing style,evil-motion-stateis overridden withevil-emacs-stateby the adviceholy-motion-to-emacs-state.