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data: Update systemd units

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The existing units were never used as the corresponding support was
never merged into gnome-session.

This commits updates units to be usable with the newer gnome-session
unit definitions. Also added is appropriate failure/restart logic
including the ability to disable extensions. Note that extensions will
only be disabled if a failure happens in the first two minutes after
login.

https://gitlab.gnome.org/GNOME/gnome-session/merge_requests/13
https://gitlab.gnome.org/GNOME/gnome-shell/merge_requests/507
This commit is contained in:
Benjamin Berg 2019-04-20 00:21:55 +02:00 committed by Benjamin Berg
parent 50055004f5
commit 7e00d22bfa
7 changed files with 103 additions and 24 deletions
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14
data/gnome-shell-disable-extensions.service Normal file
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@ -0,0 +1,14 @@
[Unit]
Description=Disable GNOME Shell extensions after failure
DefaultDependencies=no
# Only disable extensions for a short period of time after login.
# This means we err on the side of failing the first login after a broken
# extension was installed.
Requisite=gnome-session-stable.timer
[Service]
Type=simple
# Disable extensions
ExecStart=gsettings set org.gnome.shell disable-user-extensions true
Restart=no

26
data/gnome-shell-wayland.service.in Normal file
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@ -0,0 +1,26 @@
[Unit]
Description=GNOME Shell on Wayland
# On wayland, force a session shutdown
OnFailure=gnome-shell-disable-extensions.service gnome-session-shutdown.target
OnFailureJobMode=replace-irreversibly
CollectMode=inactive-or-failed
RefuseManualStart=on
RefuseManualStop=on
After=gnome-session-manager.target
Requisite=gnome-session-initialized.target
PartOf=gnome-session-initialized.target
Before=gnome-session-initialized.target
# The units already conflict because they use the same BusName
#Conflicts=gnome-shell-x11.service
[Service]
Type=dbus
ExecStart=@bindir@/gnome-shell
# Exit code 1 means we are probably *not* dealing with an extension failure
SuccessExitStatus=1
# On wayland we cannot restart
Restart=no
BusName=org.gnome.Shell

13
data/gnome-shell-wayland.target
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@ -1,5 +1,10 @@
[Unit]
Description=GNOME Shell (wayland sync point)
After=gnome-shell.service
BindsTo=gnome-shell.service
Conflicts=gnome-shell-x11.target
Description=GNOME Shell on Wayland
DefaultDependencies=no
Requisite=gnome-session-initialized.target
PartOf=gnome-session-initialized.target
Before=gnome-session-initialized.target
Requires=gnome-shell-wayland.service
After=gnome-shell-wayland.service

32
data/gnome-shell-x11.service.in Normal file
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@ -0,0 +1,32 @@
[Unit]
Description=GNOME Shell on X11
# On X11, try to show the GNOME Session Failed screen
OnFailure=gnome-shell-disable-extensions.service gnome-session-failed.target
OnFailureJobMode=replace
CollectMode=inactive-or-failed
RefuseManualStart=on
RefuseManualStop=on
After=gnome-session-manager.target
Requisite=gnome-session-initialized.target
PartOf=gnome-session-initialized.target
Before=gnome-session-initialized.target
# The units already conflict because they use the same BusName
#Conflicts=gnome-shell-wayland.service
# Limit startup frequency more than the default
StartLimitIntervalSec=15s
StartLimitBurst=3
[Service]
Type=dbus
ExecStart=@bindir@/gnome-shell
# Exit code 1 means we are probably *not* dealing with an extension failure
SuccessExitStatus=1
# On X11 we want to restart on-success (Alt+F2 + r) and on-failure.
Restart=always
# Do not wait before restarting the shell
RestartSec=0ms
BusName=org.gnome.Shell

13
data/gnome-shell-x11.target
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@ -1,5 +1,10 @@
[Unit]
Description=GNOME Shell (x11 sync point)
After=gnome-shell.service
BindsTo=gnome-shell.service
Conflicts=gnome-shell-wayland.target
Description=GNOME Shell on X11
DefaultDependencies=no
Requisite=gnome-session-initialized.target
PartOf=gnome-session-initialized.target
Before=gnome-session-initialized.target
Requires=gnome-shell-x11.service
After=gnome-shell-x11.service

11
data/gnome-shell.service.in
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@ -1,11 +0,0 @@
[Unit]
Description=GNOME Shell
Wants=gnome-session.service
After=graphical-session-pre.target gnome-session-bus.target
PartOf=graphical-session.target
[Service]
Type=dbus
ExecStart=@bindir@/gnome-shell
Restart=on-failure
BusName=org.gnome.Shell

18
data/meson.build
View File

@ -100,15 +100,23 @@ if have_systemd
unitconf = configuration_data()
unitconf.set('bindir', bindir)
unit = configure_file(
input: 'gnome-shell.service.in',
output: 'gnome-shell.service',
configure_file(
input: 'gnome-shell-x11.service.in',
output: 'gnome-shell-x11.service',
configuration: unitconf,
install_dir: systemduserunitdir
)
units = files('gnome-shell-wayland.target',
'gnome-shell-x11.target')
configure_file(
input: 'gnome-shell-wayland.service.in',
output: 'gnome-shell-wayland.service',
configuration: unitconf,
install_dir: systemduserunitdir
)
units = files('gnome-shell-x11.target',
'gnome-shell-wayland.target',
'gnome-shell-disable-extensions.service')
install_data(units, install_dir: systemduserunitdir)
endif