From 58411446b71843b8307f8b20f9507b6327429334 Mon Sep 17 00:00:00 2001
From: lvgx <l@vgx.fr>
Date: Sat, 6 Jun 2020 17:17:41 +0200
Subject: [PATCH] preview-kitty: fix crash on first file on dash (#636)

In the dash shell, when `exec < fifo` is interrupted by SIGCHLD, it exits.
So we replace it with `cat fifo |`.

Issue discussed in #614
---
 plugins/preview-kitty | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/preview-kitty b/plugins/preview-kitty
index 738411c4..af51cee0 100755
--- a/plugins/preview-kitty
+++ b/plugins/preview-kitty
@@ -63,7 +63,9 @@ if [ "$PREVIEW_MODE" ] ; then
 
     preview_file "$1"
 
-    exec < "$NNN_FIFO"
+    # use cat instead of 'exec <' to avoid issues with dash shell
+    # shellcheck disable=SC2002
+    cat "$NNN_FIFO" |\
     while read -r selection ; do
         preview_file "$selection"
     done