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spacemacs/doc/HOWTOs.md
Tu Do 21ca031492 [Emergency fix] spacemacs//mark-repl-as-useful
This function is making asynchronous commands fail because it tries to
add string literal to spacemacs-useful-buffers-regexp while add-to-list
only works when first argument is a symbol and the second is an
element. Otherwise, it throws this error and stop all async commands to
do any further work at this point:

if: Wrong type argument: symbolp

This commit fixes the following issues:

- Don't add spacemacs//mark-repl-as-useful to
  buffer-list-update-hook. We only need this function to switch to next
  or previous buffer. So, better check when and only when those commands
  are actually used.

- As a result, we remove the function since it's unneeded anymore.

- Do the checking in of comint-mode in spacemacs-useful-buffer-p
  function. Better do it in one place than scatter the logic in a hook
  and this function.

- Change useless-buffer-p to accept an actual buffer object and check
  for buffer name inside.
2015-04-24 00:07:29 -04:00

2.2 KiB

Compilation of quick HOW-TOs for Spacemacs

Table of Contents

Disable a package completely

To completely disable a package and effectively uninstalling it even if it is part of your used layers, look for the variable dotspacemacs-excluded-packages in your dotfile and add the package name to it:

dotspacemacs-excluded-packages '(package1 package2 ...)

Disable a package only for a specific major-mode

This is done by removing the hook added by Spacemacs. For example to remove flycheck support in python buffers, look for the function dotspacemacs/config in your dotfile and add the following code:

(remove-hook 'python-mode-hook 'flycheck-mode)

Hint to know the name of the major-mode of the current buffer press: SPC h d v major-mode RET

Disable company for a specific major-mode

It may be handy to disable company for a given mode if you plan on configuring auto-complete instead. On easy way to do it is to use the macro spacemacs|disable-company in the function dotspacemacs/config of your dotfile. The following snippet disables company for python-mode:

(spacemacs|disable-company python-mode)

Change special buffer rules

To change the way spacemacs marks buffers as useless, you can customize spacemacs-useless-buffers-regexp which marks buffers matching the regexp as useless. The variable spacemacs-useful-buffers-regexp marks buffers matching the regexp as useful buffers. Both can be customized the same way.

Examples:

;; Only mark helm buffers as useless
(setq spacemacs-useless-buffers-regexp '("\\*helm\.\+\\*"))

;; Marking the *Messages* buffer as useful
(push "\\*Messages\\*" spacemacs-useful-buffers-regexp)