make the click package installation check for proper architecture

debian/changelog

@@ -1,3 +1,11 @@
+livecd-rootfs (2.199) UNRELEASED; urgency=low
+
+  * make the click package installation check for proper architecture before
+    trying to install packages from the list, so that i386 touch builds do not 
+    fall over with "wrong architecture" failures at the click install step.
+
+ -- Oliver Grawert <ogra@ubuntu.com>  Tue, 26 Nov 2013 15:14:18 +0100
+
 livecd-rootfs (2.198) trusty; urgency=low
 
   * Double-quotes prevented the previous change from working, so drop those.

live-build/ubuntu-touch/hooks/60-install-click.chroot

@@ -15,11 +15,15 @@ tmpdir="$(mktemp -d)"
 cleanup () { rm -rf "$tmpdir"; }
 trap cleanup EXIT
 
+CLICKARCH=$(dpkg --print-architecture)
+
 wget --no-verbose -O "$tmpdir/click_list" "$click_list"
 for package in $(cat "$tmpdir/click_list")
 do
+    if echo $package | egrep -q _$CLICKARCH.click|_all.click|_unknown.click; then
         echo "Setting up $package"
         wget --no-verbose -O "$tmpdir/$package" "$click_uri/$package"
         click install --force-missing-framework --root="$click_db" --all-users \
             "$tmpdir/$package"
+    fi
 done