components: reuse existing git tree in components_download_git; config: update packages.list

config/zinit/init/network.sh

@@ -5,4 +5,4 @@ if ! getent group dhcpcd >/dev/null 2>&1; then addgroup -S dhcpcd 2>/dev/null ||
 if ! getent passwd dhcpcd >/dev/null 2>&1; then adduser -S -D -s /sbin/nologin -G dhcpcd dhcpcd 2>/dev/null || true; fi
 # Exec dhcpcd (will run as root if it cannot drop to dhcpcd user)
 interfaces=$(ip -br l | awk '!/lo/&&!/my0/{print $1}')
-exec dhcpcd -B $interfaces
+exec dhcpcd -p -B $interfaces