Replace ${SHELL} with "$SHELL" to fix SC2086 (shellcheck)

ufetch-linux

@@ -9,7 +9,7 @@ host="$(hostname)"
 os='Linux'	# I'd just like to interject for a moment...
 kernel="$(uname -sr)"
 uptime="$(uptime | awk -F, '{sub(".*up ",x,$1);print $1}' | sed -e 's/^[ \t]*//')"
-shell="$(basename ${SHELL})"
+shell="$(basename "$SHELL")"
 
 if [ -z "${WM}" ]; then
 	if [ "${XDG_CURRENT_DESKTOP}" ]; then