From f1cc14e3d5baeef2f4bbb238688a6ac68b94ed3f Mon Sep 17 00:00:00 2001
From: Shivam Mathur <shivam_jpr@hotmail.com>
Date: Sun, 2 Jul 2023 02:16:13 +0530
Subject: [PATCH] Fix grep call in ppa.sh

When distros use DEB822-STYLE .sources file or a custom default list file the list_file is not present, so we check if it exists before calling grep on it
---
 src/scripts/tools/ppa.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/scripts/tools/ppa.sh b/src/scripts/tools/ppa.sh
index acc8ee27..abaac71d 100644
--- a/src/scripts/tools/ppa.sh
+++ b/src/scripts/tools/ppa.sh
@@ -59,7 +59,7 @@ update_lists() {
   if [[ -n "$ppa" && -n "$ppa_search" ]]; then
     list="$list_dir"/"$(basename "$(grep -lr "$ppa_search" "$list_dir")")"
     status_file=/tmp/"${ppa/\//_}"
-  elif grep -Eq '^deb ' "$list_file"; then
+  elif [ -e "$list_file" ] && grep -Eq '^deb ' "$list_file"; then
     list="$list_file"
   fi
   if [ ! -e "$status_file" ]; then