fix(core): unhandled curl fail (#4159)

Author: jusito

lgsm/functions/core_dl.sh

@@ -383,17 +383,21 @@ fn_fetch_file() {
 			fi
 			# Trap will remove part downloaded files if canceled.
 			trap fn_fetch_trap INT
-			# Larger files show a progress bar.
-			if [ "${local_filename##*.}" == "bz2" ] || [ "${local_filename##*.}" == "gz" ] || [ "${local_filename##*.}" == "zip" ] || [ "${local_filename##*.}" == "jar" ] || [ "${local_filename##*.}" == "xz" ]; then
-				echo -e "downloading ${local_filename}..."
-				fn_sleep_time
-				curlcmd=$(curl --connect-timeout 10 --progress-bar --fail -L -o "${local_filedir}/${local_filename}" "${fileurl}")
-				local exitcode=$?
+			curlcmd=(curl --connect-timeout 10 --fail -L -o "${local_filedir}/${local_filename}" --retry 2)
+
+			# if is large file show progress, else be silent
+			local exitcode=""
+			large_files=("bz2" "gz" "zip" "jar" "xz")
+			if grep -qE "(^|\s)${local_filename##*.}(\s|$)" <<< "${large_files[@]}"; then
 				echo -en "downloading ${local_filename}..."
+				fn_sleep_time
+				echo -en "\033[1K"
+				"${curlcmd[@]}" --progress-bar "${fileurl}" 2>&1
+				exitcode="$?"
 			else
-				curlcmd=$(curl --connect-timeout 10 -s --fail -L -o "${local_filedir}/${local_filename}" "${fileurl}")
-				local exitcode=$?
 				echo -en "fetching ${fileurl_name} ${local_filename}...\c"
+				"${curlcmd[@]}" --silent --show-error "${fileurl}" 2>&1
+				exitcode="$?"
 			fi
 
 			# Download will fail if downloads a html file.