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1 | # SPDX-License-Identifier: LGPL-2.1+ |
2 | # | |
953bf460 ZJS |
3 | # This file is part of systemd. |
4 | # | |
5 | # systemd is free software; you can redistribute it and/or modify it | |
6 | # under the terms of the GNU Lesser General Public License as published by | |
7 | # the Free Software Foundation; either version 2.1 of the License, or | |
8 | # (at your option) any later version. | |
9 | ||
10 | [Unit] | |
11 | Description=Remove the Offline System Updates symlink | |
12 | Documentation=man:systemd.special(5) man:systemd.offline-updates(7) | |
13 | After=system-update.target | |
14 | DefaultDependencies=no | |
15 | Conflicts=shutdown.target | |
0b9ad5bf | 16 | Before=shutdown.target |
94a1d03e | 17 | SuccessAction=reboot |
953bf460 ZJS |
18 | |
19 | # system-update-generator uses laccess("/system-update"), while a plain | |
20 | # ConditionPathExists=/system-update uses access("/system-update"), so | |
21 | # we need an alternate condition to cover the case of a dangling symlink. | |
22 | # | |
23 | # This service is only invoked if /system-update exists, i.e. if the | |
24 | # condition tested by system-update-generator remains true and the system | |
25 | # would be diverted into system-update.target again after reboot. This way | |
26 | # we guard against being diverted into system-update.target again, which | |
27 | # works as a safety measure, but we will not step on the toes of the | |
28 | # update script if it successfully removed the symlink and scheduled a | |
29 | # reboot or some other action on its own. | |
30 | ConditionPathExists=|/system-update | |
31 | ConditionPathIsSymbolicLink=|/system-update | |
32 | ||
33 | [Service] | |
34 | Type=oneshot | |
35 | ExecStart=/bin/rm -fv /system-update |