don't ask for network and source on booted system'

usr/lib/archboot/installer/base.sh

@@ -133,9 +133,11 @@ _select_source() {
         if [[ -z ${_S_NET} ]]; then
             _check_network || return 1
         fi
+        if [[ -z ${_S_SRC} ]]; then
             [[ "${_RUNNING_ARCH}" == "x86_64" ]] && _enable_testing
             _getsource || return 1
         fi
+    fi
     _NEXTITEM="3"
 }
 

usr/lib/archboot/installer/network.sh

@@ -5,6 +5,12 @@ _net_interfaces() {
 }
 
 _check_network() {
+    if ! grep -qw '^archboot' /etc/hostname; then
+        if getent hosts www.google.com &>"${_LOG}"; then
+            _S_NET=1
+            _S_SRC=1
+        fi
+    fi
     [[ -z "${_S_NET}" ]] && _donetwork
 }