From: Stéphane Graber <stgraber@ubuntu.com>
Date: Mon, 21 Jul 2014 10:25:20 +0000 (+0200)
Subject: download: Have wget retry 3 times
X-Git-Tag: lxc-1.1.0.alpha2~117
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=acabe1faee82d44db391345a8a51b9dec3dc0229;p=thirdparty%2Flxc.git

download: Have wget retry 3 times

This forces wget to retry if it gets a network error.

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hallyn@ubuntu.com>
---

diff --git a/templates/lxc-download.in b/templates/lxc-download.in
index c96bc31f4..5799de826 100644
--- a/templates/lxc-download.in
+++ b/templates/lxc-download.in
@@ -69,9 +69,19 @@ cleanup() {
     fi
 }
 
+wget_wrapper() {
+    for i in $(seq 3); do
+        if wget $@; then
+            return 0
+        fi
+    done
+
+    return 1
+}
+
 download_file() {
-    if ! wget -T 30 -q https://${DOWNLOAD_SERVER}/$1 -O $2 >/dev/null 2>&1; then
-        if ! wget -T 30 -q http://${DOWNLOAD_SERVER}/$1 -O $2 >/dev/null 2>&1; then
+    if ! wget_wrapper -T 30 -q https://${DOWNLOAD_SERVER}/$1 -O $2 >/dev/null 2>&1; then
+        if ! wget_wrapper -T 30 -q http://${DOWNLOAD_SERVER}/$1 -O $2 >/dev/null 2>&1; then
             if [ "$3" = "noexit" ]; then
                 return 1
             else