bash: Disallow overwriting existing file using shell redirection

[~bandali/configs] / .emacs.d / lisp / bandali-ivy.el

;;; bandali-ivy.el --- bandali's Ivy setup           -*- lexical-binding: t; -*-

;; Copyright (C) 2018-2020  Amin Bandali

;; Author: Amin Bandali <bandali@gnu.org>
;; Keywords: matching

;; This program is free software; you can redistribute it and/or modify
;; it under the terms of the GNU General Public License as published by
;; the Free Software Foundation, either version 3 of the License, or
;; (at your option) any later version.

;; This program is distributed in the hope that it will be useful,
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
;; GNU General Public License for more details.

;; You should have received a copy of the GNU General Public License
;; along with this program.  If not, see <https://www.gnu.org/licenses/>.

;;; Commentary:

;; My configuration for Ivy and family.

;;; Code:

(run-with-idle-timer 0.3 nil #'require 'ivy)
(with-eval-after-load 'ivy
  ;; ivy
  (csetq ivy-wrap t
         ;; ivy-height 14
         ivy-use-virtual-buffers t
         ivy-virtual-abbreviate 'abbreviate
         ivy-count-format "%d/%d ")

  (defvar b/ivy-ignore-buffer-modes
    '(;; dired-mode
      ;; magit-mode
      erc-mode))
  (defun b/ivy-ignore-buffer-p (str)
    "Return non-nil if str names a buffer with a major mode
derived from one of `b/ivy-ignore-buffer-modes'.

This function is intended for use with `ivy-ignore-buffers'."
    (let* ((buf (get-buffer str))
           (mode (and buf (buffer-local-value 'major-mode buf))))
      (and mode
           (apply #'provided-mode-derived-p mode b/ivy-ignore-buffer-modes))))
  (add-to-list 'ivy-ignore-buffers #'b/ivy-ignore-buffer-p)

  (define-key ivy-minibuffer-map [escape] #'keyboard-escape-quit)
  (define-key ivy-minibuffer-map [S-up]
    #'ivy-previous-history-element)
  (define-key ivy-minibuffer-map [S-down]
    #'ivy-next-history-element)
  (define-key ivy-minibuffer-map (kbd "DEL")
    #'ivy-backward-delete-char)

  (ivy-mode 1)

  ;; swiper
  (require 'swiper)
  (global-set-key (kbd "C-S-s") #'swiper-isearch)

  ;; counsel
  (require 'counsel)
  (counsel-mode 1)
  (defalias 'locate #'counsel-locate)
  (global-set-key (kbd "C-c f r") #'counsel-recentf)
  (define-key minibuffer-local-map
    (kbd "C-r") #'counsel-minibuffer-history))

(provide 'bandali-ivy)
;;; bandali-ivy.el ends here