emacs: Add my/swiper and bind it to C-c s

If the region is active, my/swiper will call swiper with the contents of
the region as initial input. Also, When invoked with a prefix argument,
swiper-all is called instead.

1 files changed, 11 insertions, 0 deletions

diff --git a/emacs/functions.el b/emacs/functions.el
index fc8431f..b322af6 100644
--- a/emacs/functions.el
+++ b/emacs/functions.el
@@ -19,6 +19,17 @@ is active."
     (isearch-yank-string (buffer-substring-no-properties
                           (region-beginning) (region-end)))))
 
+(defun my/swiper (&optional swiper-all)
+  "Call ‘swiper’ (‘swiper-all’ when prefixed) with the contents
+of the region if it is active."
+  (interactive "P")
+  (if (use-region-p)
+      (let ((initial-input (buffer-substring-no-properties
+                            (region-beginning) (region-end))))
+        (deactivate-mark)
+        (if swiper-all (swiper-all initial-input) (swiper initial-input)))
+    (if swiper-all (swiper-all) (swiper))))
+
 
 ;; Theme Functions