[nongnu] elpa/nix-mode 0e3a8ef7a8 398/500: Check for process before completing in nix-repl

[ELPA Syncer]

branch: elpa/nix-mode
commit 0e3a8ef7a86536b69a9f9e2425c6b7d2be8f4413
Author: Ross A. Baker <ross@rossabaker.com>
Commit: Ross A. Baker <ross@rossabaker.com>

    Check for process before completing in nix-repl
---
 nix-repl.el | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/nix-repl.el b/nix-repl.el
index 4371846b7a..440b4a5962 100644
--- a/nix-repl.el
+++ b/nix-repl.el
@@ -148,14 +148,16 @@ guarantees they will be grabbed in a single call."
   "Completion at point function for Nix using \"nix-repl\".
 See `completion-at-point-functions'."
   (save-excursion
-    (let ((prefix (and (derived-mode-p 'nix-repl-mode)
-                       (executable-find nix-executable)
-                       (nix--prefix-bounds))))
+    (let* ((proc (get-buffer-process (current-buffer)))
+           (prefix (and (derived-mode-p 'nix-repl-mode)
+                        proc
+                        (executable-find nix-executable)
+                        (nix--prefix-bounds))))
       (pcase prefix
         (`(,beg . ,end)
          (list beg end
                (nix-get-completions
-                (get-buffer-process (current-buffer))
+                proc
                 (buffer-substring beg end))
                :exclusive 'no))))))