templates/lxc-download.in: Use curl instead of wget

When curl's MIT license is preferable to wget's GPLv3. Which it is in
several situations.

Change-Id: I72ee1ce66493c564557b73fae80f5219ef83af6d
Signed-off-by: Joakim Roubert <joakimr@axis.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>

recipes-containers/lxc/files/templates-use-curl-instead-of-wget.patch

@@ -0,0 +1,49 @@
+From dd7b0a2e4542c352456747a45d7eeb11e9fdec26 Mon Sep 17 00:00:00 2001
+From: Joakim Roubert <joakimr@axis.com>
+Date: Fri, 16 Aug 2019 07:52:48 +0200
+Subject: [PATCH] Use curl instead of wget
+
+When curl's MIT license is preferable to wget's GPLv3.
+
+Change-Id: I4684ae7569704514fdcc63e0655c556efcaf44f8
+Signed-off-by: Joakim Roubert <joakimr@axis.com>
+---
+ templates/lxc-download.in | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+diff --git a/templates/lxc-download.in b/templates/lxc-download.in
+index b70daaf..9526eae 100644
+--- a/templates/lxc-download.in
++++ b/templates/lxc-download.in
+@@ -74,9 +74,9 @@ cleanup() {
+   fi
+ }
+ 
+-wget_wrapper() {
++curl_wrapper() {
+   for _ in $(seq 3); do
+-    if wget "$@"; then
++    if curl "$@"; then
+       return 0
+     fi
+   done
+@@ -85,8 +85,8 @@ wget_wrapper() {
+ }
+ 
+ download_file() {
+-  if ! wget_wrapper -T 30 -q "https://${DOWNLOAD_SERVER}/$1" -O "$2" >/dev/null 2>&1; then
+-    if ! wget_wrapper -T 30 -q "http://${DOWNLOAD_SERVER}/$1" -O "$2" >/dev/null 2>&1; then
++  if ! curl_wrapper -m 30 -s "https://${DOWNLOAD_SERVER}/$1" -o "$2" >/dev/null 2>&1; then
++    if ! curl_wrapper -m 30 -s "http://${DOWNLOAD_SERVER}/$1" -o "$2" >/dev/null 2>&1; then
+       if [ "$3" = "noexit" ]; then
+         return 1
+       else
+@@ -266,7 +266,7 @@ while :; do
+ done
+ 
+ # Check for required binaries
+-for bin in tar xz wget; do
++for bin in tar xz curl; do
+   if ! command -V "${bin}" >/dev/null 2>&1; then
+     echo "ERROR: Missing required tool: ${bin}" 1>&2
+     exit 1

recipes-containers/lxc/lxc_3.1.0.bb

@@ -5,10 +5,10 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=4fbd65380cdd255951079008b364516c"
 DEPENDS = "libxml2 libcap"
 RDEPENDS_${PN} = " \
 		rsync \
+		curl \
 		gzip \
 		xz \
 		tar \
-		wget \
 		libcap-bin \
 		bridge-utils \
 		dnsmasq \
@@ -41,6 +41,7 @@ SRC_URI = "http://linuxcontainers.org/downloads/${BPN}-${PV}.tar.gz \
 	file://logs-optionally-use-base-filenames-to-report-src-fil.patch \
 	file://templates-actually-create-DOWNLOAD_TEMP-directory.patch \
 	file://template-make-busybox-template-compatible-with-core-.patch \
+	file://templates-use-curl-instead-of-wget.patch \
 	file://tests-our-init-is-not-busybox.patch \
 	file://tests-add-no-validate-when-using-download-template.patch \
 	file://dnsmasq.conf \