[elpa] externals/ivy 2529a23f9f 1/2: Use add-to-history in ivy-read

[Basil L. Contovounesios]

branch: externals/ivy
commit 2529a23f9f510a94efa6c088bd14217aa764dafb
Author: Basil L. Contovounesios <basil@contovou.net>
Commit: Basil L. Contovounesios <basil@contovou.net>

    Use add-to-history in ivy-read
    
    * ivy.el (ivy--update-history): Use add-to-history (#2663, #2954).
---
 ivy.el | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/ivy.el b/ivy.el
index cddd64aef8..8d94c2ce5d 100644
--- a/ivy.el
+++ b/ivy.el
@@ -2279,8 +2279,9 @@ customizations apply to the current completion session."
              ivy-text)))
       (cond ((equal item ""))
             ((stringp item)
-             (set hist (cons (propertize item 'ivy-index ivy--index)
-                             (delete item (symbol-value hist)))))))))
+             (let ((history-delete-duplicates t))
+               (add-to-history
+                hist (propertize item 'ivy-index ivy--index))))))))
 
 (defun ivy--cleanup ()
   ;; Fixes a bug in ESS, #1660