[elpa] master bfdda68 111/184: swiper.el (swiper-occur): Use ivy-occur-next-error

[Oleh Krehel]

branch: master
commit bfdda682b3cf29ea335533fc000f04f8d7960904
Author: Nathan Moreau <address@hidden>
Commit: Oleh Krehel <address@hidden>

    swiper.el (swiper-occur): Use ivy-occur-next-error
    
    * ivy.el (ivy-occur-next-error): Add.
    
    This change ensures that next-error and previous-error work
    for swiper even for buffer that do not visit a file.
    
    Fixes #2257
    Fixes #1354
---
 ivy.el    | 10 ++++++++++
 swiper.el |  3 ++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/ivy.el b/ivy.el
index 9fc579d..ccd53ff 100644
--- a/ivy.el
+++ b/ivy.el
@@ -4636,6 +4636,16 @@ When `ivy-calling' isn't nil, call `ivy-occur-press'."
       (ivy-occur-previous-line arg)
       (ivy-occur-press-and-switch))))
 
+(defun ivy-occur-next-error (n &optional reset)
+  "A `next-error-function' for `ivy-occur-mode'."
+  (interactive "p")
+  (when reset
+    (goto-char (point-min)))
+  (setq n (or n 1))
+  (let ((ivy-calling t))
+    (cond ((< n 0) (ivy-occur-previous-line (- n)))
+          (t (ivy-occur-next-line n)))))
+
 (define-derived-mode ivy-occur-mode fundamental-mode "Ivy-Occur"
   "Major mode for output from \\[ivy-occur].
 
diff --git a/swiper.el b/swiper.el
index 5e73ba4..af60c5c 100644
--- a/swiper.el
+++ b/swiper.el
@@ -677,7 +677,8 @@ When capture groups are present in the input, print them 
instead of lines."
         (lambda (cand) (concat "./" cand))
         cands))
       (goto-char (point-min))
-      (forward-line 4))))
+      (forward-line 4)
+      (setq-local next-error-function #'ivy-occur-next-error))))
 
 (ivy-set-occur 'swiper 'swiper-occur)