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Backport variadic setq-local from Emacs 27

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Henrik Lissner 2020-05-24 16:45:55 -04:00
parent 830e1289aa
commit a9316525c4
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2 changed files with 44 additions and 9 deletions
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36
core/core-lib.el
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@ -621,5 +621,41 @@ testing advice (when combined with `rotate-text').
(dolist (target (cdr targets)) (dolist (target (cdr targets))
(advice-remove target #',symbol))))) (advice-remove target #',symbol)))))
;;
;;; Backports
(when! (not EMACS27+)
;; DEPRECATED Backported from Emacs 27
(defmacro setq-local (&rest pairs)
"Make variables in PAIRS buffer-local and assign them the corresponding values.
PAIRS is a list of variable/value pairs. For each variable, make
it buffer-local and assign it the corresponding value. The
variables are literal symbols and should not be quoted.
The second VALUE is not computed until after the first VARIABLE
is set, and so on; each VALUE can use the new value of variables
set earlier in the ‘setq-local’. The return value of the
‘setq-local’ form is the value of the last VALUE.
\(fn [VARIABLE VALUE]...)"
(declare (debug setq))
(unless (zerop (mod (length pairs) 2))
(error "PAIRS must have an even number of variable/value members"))
(let ((expr nil))
(while pairs
(unless (symbolp (car pairs))
(error "Attempting to set a non-symbol: %s" (car pairs)))
;; Can't use backquote here, it's too early in the bootstrap.
(setq expr
(cons
(list 'set
(list 'make-local-variable (list 'quote (car pairs)))
(car (cdr pairs)))
expr))
(setq pairs (cdr (cdr pairs))))
(macroexp-progn (nreverse expr)))))
(provide 'core-lib) (provide 'core-lib)
;;; core-lib.el ends here ;;; core-lib.el ends here

17
modules/ui/vc-gutter/config.el
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@ -39,15 +39,14 @@ is deferred until the file is saved. Respects `git-gutter:disabled-modes'."
(not (memq major-mode git-gutter:disabled-modes)))) (not (memq major-mode git-gutter:disabled-modes))))
(if (and (display-graphic-p) (if (and (display-graphic-p)
(require 'git-gutter-fringe nil t)) (require 'git-gutter-fringe nil t))
(progn (setq-local git-gutter:init-function #'git-gutter-fr:init
(setq-local git-gutter:init-function #'git-gutter-fr:init) git-gutter:view-diff-function #'git-gutter-fr:view-diff-infos
(setq-local git-gutter:view-diff-function #'git-gutter-fr:view-diff-infos) git-gutter:clear-function #'git-gutter-fr:clear
(setq-local git-gutter:clear-function #'git-gutter-fr:clear) git-gutter:window-width -1)
(setq-local git-gutter:window-width -1)) (setq-local git-gutter:init-function 'nil
(setq-local git-gutter:init-function 'nil) git-gutter:view-diff-function #'git-gutter:view-diff-infos
(setq-local git-gutter:view-diff-function #'git-gutter:view-diff-infos) git-gutter:clear-function #'git-gutter:clear-diff-infos
(setq-local git-gutter:clear-function #'git-gutter:clear-diff-infos) git-gutter:window-width 1))
(setq-local git-gutter:window-width 1))
(git-gutter-mode +1) (git-gutter-mode +1)
(remove-hook 'after-save-hook #'+vc-gutter-init-maybe-h 'local))))))) (remove-hook 'after-save-hook #'+vc-gutter-init-maybe-h 'local)))))))