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Disable evolution-data-server by default
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evolution-data-center provides calendar support for GNOME Shell in a
default Fedora installation.  However, Qubes OS does not use GNOME
Shell.  Furthermore, the default email client in Qubes OS is
Thunderbird, not Evolution.  Therefore, evolution-data-server will
typically have no data to serve.

Since evolution-data-server provides no benefits to most Qubes users,
disable it by default to reduce memory consumption.  It can be
re-enabled with

$ qvm-service VMNAME evolution-data-server on

where VMNAME is the name of the qube in which evolution-data-server
should run.
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@DemiMarie
DemiMarie committed Aug 6, 2023
1 parent fdc05cf commit 7909ba2
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6 changes: 5 additions & 1 deletion Makefile
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Expand Up @@ -63,7 +63,11 @@ USER_DROPINS := \
tracker-miner-rss-3.service \
tracker-miner-fs-control-3.service \
tracker-miner-fs-3.service \
tracker-extract-3.service
tracker-extract-3.service \

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@Rudd-O

Rudd-O Aug 7, 2023

Contributor

I understand how helpful disabling Tracker and Evolution data server is going to be, but basically what this means is that many applications will simply and inexplicably not work for pretty much all users, who are not going to know they need to go look for this arcane setting the user must run.

There must be a better way. Perhaps a socket activated service instead? That way it only starts when it is necessary.

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@marmarek

marmarek Aug 8, 2023

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Well, those are already dbus-activable services. And from what I see, at least evolution one is started pretty much immediately, seems like by gvfs-daemon iterating over things on startup...

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@DemiMarie

DemiMarie Aug 8, 2023

Author Contributor

@Rudd-O which applications are your referring to?

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@Rudd-O

Rudd-O Aug 8, 2023

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Yes, but that means Evolution will fail because the service has been disabled here and it won't activate.

I use Evolution. Yes, I have already enabled the qvm-service corresponding to it. Who is going to explain to users, and through which mechanism, that Evolution being defective unless they type an arcane command is the intended result?

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@DemiMarie

DemiMarie Aug 8, 2023

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How does Evolution fail?

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@Rudd-O

Rudd-O Aug 11, 2023 •
edited
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Evolution requests these services to be started via D-Bus. If the marker file does not exist, this config change makes it so the service never starts. As a result, Evolution can't actually manage calendars or contacts — possibly even crashes outright. Likely the same happens with GNOME calendar and GNOME contacts.
evolution-addressbook-factory.service \
evolution-calendar-factory.service \
evolution-source-registry.service \
evolution-user-prompter.service

# Ubuntu Dropins
ifeq ($(release),Ubuntu)
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4 changes: 4 additions & 0 deletions debian/qubes-core-agent.install
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Expand Up @@ -109,6 +109,10 @@ usr/lib/systemd/user/tracker-miner-fs-control-3.service.d/30_qubes.conf
usr/lib/systemd/user/tracker-miner-rss-3.service.d/30_qubes.conf
usr/lib/systemd/user/tracker-writeback-3.service.d/30_qubes.conf
usr/lib/systemd/user/tracker-xdg-portal-3.service.d/30_qubes.conf
usr/lib/systemd/user/evolution-addressbook-factory.service.d/30_qubes.conf
usr/lib/systemd/user/evolution-calendar-factory.service.d/30_qubes.conf
usr/lib/systemd/user/evolution-source-registry.service.d/30_qubes.conf
usr/lib/systemd/user/evolution-user-prompter.service.d/30_qubes.conf
lib/udev/rules.d/50-qubes-mem-hotplug.rules
usr/bin/qubes-desktop-run
usr/bin/qubes-open
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4 changes: 4 additions & 0 deletions rpm_spec/core-agent.spec.in
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Expand Up @@ -1184,6 +1184,10 @@ The Qubes core startup configuration for SystemD init.
%_userunitdir/tracker-miner-rss-3.service.d/30_qubes.conf
%_userunitdir/tracker-writeback-3.service.d/30_qubes.conf
%_userunitdir/tracker-xdg-portal-3.service.d/30_qubes.conf
%_userunitdir/evolution-addressbook-factory.service.d/30_qubes.conf
%_userunitdir/evolution-calendar-factory.service.d/30_qubes.conf
%_userunitdir/evolution-source-registry.service.d/30_qubes.conf
%_userunitdir/evolution-user-prompter.service.d/30_qubes.conf

%post systemd

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2 changes: 2 additions & 0 deletions vm-systemd/user/evolution-addressbook-factory.service.d/30_qubes.conf
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@@ -0,0 +1,2 @@
[Unit]
ConditionPathExists=/run/qubes-service/evolution-data-server
2 changes: 2 additions & 0 deletions vm-systemd/user/evolution-calendar-factory.service.d/30_qubes.conf
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[Unit]
ConditionPathExists=/run/qubes-service/evolution-data-server
2 changes: 2 additions & 0 deletions vm-systemd/user/evolution-source-registry.service.d/30_qubes.conf
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@@ -0,0 +1,2 @@
[Unit]
ConditionPathExists=/run/qubes-service/evolution-data-server
2 changes: 2 additions & 0 deletions vm-systemd/user/evolution-user-prompter.service.d/30_qubes.conf
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@@ -0,0 +1,2 @@
[Unit]
ConditionPathExists=/run/qubes-service/evolution-data-server

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