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units: Tell login to preserve environment (#6023) 

Make agetty started by *getty* units pass '-p' option to "login", so it
doesn't clear the environment and passes whatever was setup by systemd
to shells. This is needed especially for programs which are specified as
user shells, but won't read locale settings from anywhere but
environment.

[zj: cherry-pick just the second patch from the series, see discussion
on the pull request.]
This commit is contained in:
Nikolai Kondrashov 2017-05-24 14:58:01 +03:00 committed by Zbigniew Jędrzejewski-Szmek
parent 4c4bc54697
commit db6aedab92
4 changed files with 16 additions and 4 deletions
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5
units/console-getty.service.m4.in
View File

@ -16,7 +16,10 @@ After=rc-local.service
Before=getty.target
[Service]
ExecStart=-/sbin/agetty --noclear --keep-baud console 115200,38400,9600 $TERM
# The '-o' option value tells agetty to replace 'login' arguments with an
# option to preserve environment (-p), followed by '--' for safety, and then
# the entered username.
ExecStart=-/sbin/agetty -o '-p -- \\u' --noclear --keep-baud console 115200,38400,9600 $TERM
Type=idle
Restart=always
RestartSec=0

5
units/container-getty@.service.m4.in
View File

@ -17,7 +17,10 @@ IgnoreOnIsolate=yes
ConditionPathExists=/dev/pts/%I
[Service]
ExecStart=-/sbin/agetty --noclear --keep-baud pts/%I 115200,38400,9600 $TERM
# The '-o' option value tells agetty to replace 'login' arguments with an
# option to preserve environment (-p), followed by '--' for safety, and then
# the entered username.
ExecStart=-/sbin/agetty -o '-p -- \\u' --noclear --keep-baud pts/%I 115200,38400,9600 $TERM
Type=idle
Restart=always
RestartSec=0

5
units/getty@.service.m4
View File

@ -33,7 +33,10 @@ ConditionPathExists=/dev/tty0
[Service]
# the VT is cleared by TTYVTDisallocate
ExecStart=-/sbin/agetty --noclear %I $TERM
# The '-o' option value tells agetty to replace 'login' arguments with an
# option to preserve environment (-p), followed by '--' for safety, and then
# the entered username.
ExecStart=-/sbin/agetty -o '-p -- \\u' --noclear %I $TERM
Type=idle
Restart=always
RestartSec=0

5
units/serial-getty@.service.m4
View File

@ -28,7 +28,10 @@ Conflicts=rescue.service
Before=rescue.service
[Service]
ExecStart=-/sbin/agetty --keep-baud 115200,38400,9600 %I $TERM
# The '-o' option value tells agetty to replace 'login' arguments with an
# option to preserve environment (-p), followed by '--' for safety, and then
# the entered username.
ExecStart=-/sbin/agetty -o '-p -- \\u' --keep-baud 115200,38400,9600 %I $TERM
Type=idle
Restart=always
UtmpIdentifier=%I