From 7a641f4c35b29f82e7d706b14e9260734fd8d842 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Christian=20K=C3=B6nig?= <github@yubiuser.dev>
Date: Tue, 22 Apr 2025 22:52:33 +0200
Subject: [PATCH] Use paramteter expansion to prevent adding literal '' if
 parameter is empty
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Signed-off-by: Christian König <github@yubiuser.dev>
---
 gravity.sh | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gravity.sh b/gravity.sh
index 4ce532fc..19458c16 100755
--- a/gravity.sh
+++ b/gravity.sh
@@ -745,7 +745,7 @@ gravity_DownloadBlocklistFromUrl() {
   fi
 
   if [[ "${download}" == true ]]; then
-    httpCode=$(curl --connect-timeout ${curl_connect_timeout} -s -L "${compression}" "${customUpstreamResolver}" "${modifiedOptions[@]}" -w "%{http_code}" "${url}" -o "${listCurlBuffer}" 2>/dev/null)
+    httpCode=$(curl --connect-timeout ${curl_connect_timeout} -s -L ${compression:+${compression}} ${customUpstreamResolver:+${customUpstreamResolver}} "${modifiedOptions[@]}" -w "%{http_code}" "${url}" -o "${listCurlBuffer}" 2>/dev/null)
   fi
 
   case $url in