confext: add the systemd-confext.service file

units/meson.build

@@ -138,6 +138,7 @@ units = [
         ['systemd-reboot.service',              ''],
         ['systemd-rfkill.socket',               'ENABLE_RFKILL'],
         ['systemd-sysext.service',              'ENABLE_SYSEXT'],
+        ['systemd-confext.service',             'ENABLE_SYSEXT'],
         ['systemd-sysupdate.timer',             'ENABLE_SYSUPDATE'],
         ['systemd-sysupdate-reboot.timer',      'ENABLE_SYSUPDATE'],
         ['systemd-sysusers.service',            'ENABLE_SYSUSERS',

units/systemd-confext.service

@@ -0,0 +1,33 @@
+# SPDX-License-Identifier: LGPL-2.1-or-later
+#
+# This file is part of systemd.
+#
+# systemd is free software; you can redistribute it and/or modify it
+# under the terms of the GNU Lesser General Public License as published by
+# the Free Software Foundation; either version 2.1 of the License, or
+# (at your option) any later version.
+
+[Unit]
+Description=Merge System Configuration Images into /etc/
+Documentation=man:systemd-confext.service(8)
+
+ConditionCapability=CAP_SYS_ADMIN
+ConditionDirectoryNotEmpty=|/run/confexts
+ConditionDirectoryNotEmpty=|/var/lib/confexts
+ConditionDirectoryNotEmpty=|/usr/local/lib/confexts
+ConditionDirectoryNotEmpty=|/usr/lib/confexts
+
+DefaultDependencies=no
+After=local-fs.target
+Before=sysinit.target systemd-tmpfiles-setup.service
+Conflicts=shutdown.target initrd-switch-root.target
+Before=shutdown.target initrd-switch-root.target
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart=systemd-confext merge
+ExecStop=systemd-confext unmerge
+
+[Install]
+WantedBy=sysinit.target