Merge branch 'helmut' into 'main'

reduce usage of DEBVER

See merge request helmutg/debvm!22

1 files changed, 37 insertions, 0 deletions

diff --git a/share/customize-networkd.sh b/share/customize-networkd.sh
new file mode 100755
index 0000000..c89aae2
--- /dev/null
+++ b/share/customize-networkd.sh
@@ -0,0 +1,37 @@
+#!/bin/sh
+# Copyright 2022 Helmut Grohne <helmut@subdivi.de>
+# SPDX-License-Identifier: MIT
+#
+# This is a mmdebstrap customize hook that enables and configures
+# systemd-networkd on various Debian releases.
+
+set -eu
+
+TARGET=$1
+
+SYSTEMD_VERSION=$(dpkg-query --root "$TARGET" -f '${Version}' -W systemd)
+
+if test "${MMDEBSTRAP_MODE:-}" = chrootless; then
+	systemctl --root "$TARGET" enable systemd-networkd.service
+else
+	chroot "$TARGET" systemctl enable systemd-networkd.service
+fi
+
+{
+	echo '[Match]'
+	echo 'Name=en*'
+	if dpkg --compare-versions "$SYSTEMD_VERSION" lt 220-7~; then
+		echo 'Name=eth*'
+	fi
+
+	echo '[Network]'
+	echo 'DHCP=yes'
+
+	if dpkg --compare-versions "$SYSTEMD_VERSION" lt 249; then
+		# This anchor is included by default since bullseye. Fails DNSSEC
+		# validation when missing.
+		echo 'DNSSECNegativeTrustAnchors=home.arpa'
+	fi
+	echo '[DHCP]'
+	echo 'UseDomains=yes'
+} >"$TARGET/etc/systemd/network/20-wired.network"