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systemd/units/emergency.service.in
Alan Jenkins 950d8fcdd9 units: express Conflict in syslog.socket instead of emergency.service
Note this commit only changes how the code is expressed; it does not change
the existence of any dependency.

The `Conflicts=` was added in 3136ec90, "Stop syslog.socket when entering
emergency mode".  The discussion in the issue #266 raised concerns that
this might be needed for other units, but failed to point out why
syslog.socket is special.  The reason is that syslog.socket has
DefaultDepedencies=no, so it does not get Requires=sysinit.target like
other socket units do.  But syslog.service does require sysinit.target,
among other things.

We don't have many socket, path, or timer units with
DefaultDependencies=no, and I don't think any of the triggered services
have such additional hard dependencies as syslog.service does.

It is much less confusing if we keep this `Conflicts=` in the same file as
the `DefaultDependencies=no` which made it necessary.
2017-09-29 17:34:55 +01:00

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SYSTEMD

# 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=Emergency Shell
Documentation=man:sulogin(8)
DefaultDependencies=no
Conflicts=shutdown.target
Conflicts=rescue.service
Before=shutdown.target
[Service]
Environment=HOME=/root
WorkingDirectory=-/root
ExecStartPre=-/bin/plymouth --wait quit
ExecStart=-@rootlibexecdir@/systemd-sulogin-shell emergency
Type=idle
StandardInput=tty-force
StandardOutput=inherit
StandardError=inherit
KillMode=process
IgnoreSIGPIPE=no
SendSIGHUP=yes