Only use contrib source for Jessie

Signed-off-by: Tyler Heucke <tyler.heucke@dell.com>

Dockerfile

@@ -40,7 +40,6 @@ RUN gpg --import /usr/share/keyrings/debian-archive-keyring.gpg \
 RUN mkdir -p /etc/apt/sources.list.d/ \
  && echo "deb http://deb.openswitch.net/$DIST unstable main opx opx-non-free" >>/etc/apt/sources.list.d/opx.list \
  && echo "deb-src http://deb.openswitch.net/$DIST unstable opx" >>/etc/apt/sources.list.d/opx.list \
- && echo "deb http://deb.openswitch.net/contrib stable contrib" >>/etc/apt/sources.list.d/opx.list \
  && apt-get -qq update
 
 # Set up for the user we will create at runtime

assets/hook.d/D05update-sources

@@ -1,14 +1,17 @@
 #!/bin/bash -e
 # Update package sources
 
-cat <<EOF >/etc/apt/sources.list.d/opx.list
-deb http://deb.openswitch.net/$DIST $OPX_RELEASE main opx opx-non-free
-deb http://deb.openswitch.net/contrib stable contrib
-EOF
+echo "deb http://deb.openswitch.net/$DIST $OPX_RELEASE main opx opx-non-free" \
+  >> /etc/apt/sources.list.d/opx.list
+
+if [[ "$DIST" == "jessie" ]]; then
+  echo "deb http://deb.openswitch.net/contrib stable contrib" \
+    >> /etc/apt/sources.list.d/opx.list
+fi
 
 if [[ "$OPX_RELEASE" =~ ^(unstable|testing|stable)$ ]]; then
   echo "deb-src http://deb.openswitch.net/$DIST $OPX_RELEASE opx" \
     >>/etc/apt/sources.list.d/opx.list
 fi
 
-apt-get update
+apt-get -qq update