fix(network): gate dhcp on get_network state across boots

steps/improve/get_network.sh

@@ -4,7 +4,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 #
-dhcpcd --waitip=4
+ensure_network_ready
 # Ensure network accessible
 timeout=120
 while ! curl example.com >/dev/null 2>&1; do
@@ -16,3 +16,6 @@ while ! curl example.com >/dev/null 2>&1; do
         false
     fi
 done
+
+sed -i '/^NETWORK_READY=/d' /steps/env
+echo 'NETWORK_READY=True' >> /steps/env

steps/improve/update_env.sh

@@ -19,6 +19,7 @@ export SOURCE_DATE_EPOCH=0
 export KBUILD_BUILD_TIMESTAMP='@0'
 export SHELL=/usr/bin/bash
 DESTDIR=/tmp/destdir
+NETWORK_READY=False
 EOF
 
 # The following values are set up in the kaem environment.