From 27e78c2539b19689e0a997af2a7decdbc93052b3 Mon Sep 17 00:00:00 2001
From: Iru Cai <mytbk920423@gmail.com>
Date: Sat, 3 Nov 2018 23:10:00 +0800
Subject: Use `if wget ...` in case of wget errors

---
 functions.sh | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/functions.sh b/functions.sh
index efb27a4..7cd6235 100644
--- a/functions.sh
+++ b/functions.sh
@@ -79,16 +79,17 @@ download_iso() {
 	mkdir -p "$ISOPATH"
 	for url in ${mirrorlist[@]}
 	do
-		wget -c -O "$ISOPATH/$ISOFILE" "$url/$ISOURL"
-		if checksum_verify; then
-			return 0
-		else
-			# checksum bad, may be due to a bad partial download
-			# so remove the file and try again
-			rm -f "$ISOPATH/$ISOFILE"
-			wget -O "$ISOPATH/$ISOFILE" "$url/$ISOURL"
-			checksum_verify && return 0
-			rm -f "$ISOPATH/$ISOFILE" # then try next mirror
+		if wget -c -O "$ISOPATH/$ISOFILE" "$url/$ISOURL"; then
+			if checksum_verify; then
+				return 0
+			else
+				# checksum bad, may be due to a bad partial download
+				# so remove the file and try again
+				rm -f "$ISOPATH/$ISOFILE"
+				wget -O "$ISOPATH/$ISOFILE" "$url/$ISOURL"
+				checksum_verify && return 0
+				rm -f "$ISOPATH/$ISOFILE" # then try next mirror
+			fi
 		fi
 	done
 	fatalerror "Fail to download $ISOFILE!"
-- 
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