From cca85a25db935ad93dd2794287c42448d82757e0 Mon Sep 17 00:00:00 2001
From: Luca Di Maio <luca.dimaio1@gmail.com>
Date: Sun, 19 Nov 2023 12:43:41 +0100
Subject: [PATCH] assemble: fix empty args in hooks handling

Signed-off-by: Luca Di Maio <luca.dimaio1@gmail.com>
---
 distrobox-assemble | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/distrobox-assemble b/distrobox-assemble
index 50804ee00b..e7cbf97685 100755
--- a/distrobox-assemble
+++ b/distrobox-assemble
@@ -290,6 +290,10 @@ run_distrobox() (
 		args=": ;"
 		separator=""
 		for arg in ${init_hooks}; do
+			if [ -z "${arg}" ]; then
+				continue
+			fi
+
 			args="${args} ${separator} ${arg}"
 
 			# Prepare for the next line, if we already have a ';' or '&&', do nothing
@@ -309,12 +313,16 @@ run_distrobox() (
 		args=": ;"
 		separator=""
 		for arg in ${pre_init_hooks}; do
+			if [ -z "${arg}" ]; then
+				continue
+			fi
+
 			args="${args} ${separator} ${arg}"
 
 			# Prepare for the next line, if we already have a ';' or '&&', do nothing
 			# else prefer adding '&&'
-			if ! echo "${arg}" | grep -q ';[[:space:]]\{0,1\}$' &&
-				! echo "${arg}" | grep -q '&&[[:space:]]\{0,1\}$'; then
+			if ! echo "${arg}" | grep -E ';[[:space:]]\{0,1\}$' &&
+				! echo "${arg}" | grep -E '&&[[:space:]]\{0,1\}$'; then
 				separator="&&"
 			else
 				separator=""