From a3156aa8a17cb7e0909ef146c0400b7d39f1b211 Mon Sep 17 00:00:00 2001
From: cperciva <cperciva@FreeBSD.org>
Date: Mon, 19 Dec 2016 07:46:20 +0000
Subject: MFC r310179: Avoid division by zero in the rare case that portsnap
 needs to fetch zero patches.  (This avoids two "dc: divide by zero"
 warnings.)

---
 usr.sbin/portsnap/portsnap/portsnap.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

(limited to 'usr.sbin/portsnap')

diff --git a/usr.sbin/portsnap/portsnap/portsnap.sh b/usr.sbin/portsnap/portsnap/portsnap.sh
index 0e16370..dd33ee3 100644
--- a/usr.sbin/portsnap/portsnap/portsnap.sh
+++ b/usr.sbin/portsnap/portsnap/portsnap.sh
@@ -619,8 +619,10 @@ fetch_progress() {
 
 pct_fmt()
 {
-	printf "                                     \r"
-	printf "($1/$2) %02.2f%% " `echo "scale=4;$LNC / $TOTAL * 100"|bc`
+	if [ $TOTAL -gt 0 ]; then
+		printf "                                     \r"
+		printf "($1/$2) %02.2f%% " `echo "scale=4;$LNC / $TOTAL * 100"|bc`
+	fi
 }
 
 fetch_progress_percent() {
-- 
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