From ba00ea143543cfc6b012759744df2e051d0d9776 Mon Sep 17 00:00:00 2001
From: Nikita Ivanov <nikita.vyach.ivanov@gmail.com>
Date: Tue, 31 May 2022 23:40:31 +0500
Subject: [PATCH] Fallback if $fifo is empty

---
 helpers.sh | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/helpers.sh b/helpers.sh
index 9b1a42a..52f3f8c 100644
--- a/helpers.sh
+++ b/helpers.sh
@@ -9,12 +9,8 @@ fifo_open() {
 }
 
 setup_fifo() {
-	if [ -z "$fifo" ]; then
-		echo_err '$fifo is empty!'
-		exit 1
-	fi
-
 	exit_code="${1:-127}"
+	[ -n "$fifo" ] || exit "$exit_code"
 	[ -e "$fifo" ] || exit "$exit_code"
 	fifo_open "$fifo" || exit "$exit_code"
 }