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+deb http://ftp.us.debian.org/debian bullseye-backports main contrib non-free
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+Package: *
+Pin: release n=bullseye-backports
+Pin-Priority: -1
+
+Explanation: Use systemd and its dependencies from debian-backports to support systemd-cryptenroll
+Package: libnss-myhostname libnss-mymachines libnss-resolve libnss-systemd libpam-systemd libudev* libsystemd* systemd systemd-* udev
+Pin: release n=bullseye-backports
+Pin-Priority: 801
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+#
+# CIP Core, generic profile
+#
+# Copyright (c) Siemens AG, 2022
+#
+# Authors:
+# Quirin Gylstorff <quirin.gylstorff@siemens.com>
+#
+# SPDX-License-Identifier: MIT
+#
+
+header:
+ version: 12
+
+local_conf_header:
+ systemd-cryptenroll: |
+ DISTRO_APT_SOURCES:append:bullseye = " conf/distro/debian-bullseye-backports.list"
+ DISTRO_APT_PREFERENCES:append:bullseye = " conf/distro/preferences.bullseye-backports.tpm.conf"
+
+