+ :unwind (lambda ()
+ (counsel-delete-process)
+ (swiper--cleanup))))
+
+;;;###autoload
+(defun counsel-grep ()
+ "Grep for a string in the current file."
+ (interactive)
+ (setq counsel--git-grep-dir (buffer-file-name))
+ (ivy-read "grep: " 'counsel-grep-function
+ :dynamic-collection t
+ :preselect (format "%d:%s"
+ (line-number-at-pos)
+ (buffer-substring-no-properties
+ (line-beginning-position)
+ (line-end-position)))
+ :history 'counsel-git-grep-history
+ :update-fn (lambda ()
+ (counsel-grep-action ivy--current))
+ :action #'counsel-grep-action
+ :unwind (lambda ()
+ (counsel-delete-process)
+ (swiper--cleanup))
+ :caller 'counsel-grep))
+
+(defun counsel-grep-function (string &optional _pred &rest _unused)
+ "Grep in the current directory for STRING."
+ (if (< (length string) 3)
+ (counsel-more-chars 3)
+ (let ((regex (counsel-unquote-regex-parens
+ (setq ivy--old-re
+ (ivy--regex string)))))
+ (counsel--async-command
+ (format "grep -nP --ignore-case '%s' %s" regex counsel--git-grep-dir))
+ nil)))
+
+(defun counsel-grep-action (x)
+ (when (string-match "\\`\\([0-9]+\\):\\(.*\\)\\'" x)
+ (with-ivy-window
+ (let ((file-name counsel--git-grep-dir)
+ (line-number (match-string-no-properties 1 x)))
+ (find-file file-name)
+ (goto-char (point-min))
+ (forward-line (1- (string-to-number line-number)))
+ (re-search-forward (ivy--regex ivy-text t) (line-end-position) t)
+ (unless (eq ivy-exit 'done)
+ (swiper--cleanup)
+ (swiper--add-overlays (ivy--regex ivy-text)))))))