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use dbus-update-activation-environment to update/initialize

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environment variables

The goal is to update the environment variables for the user's systemd
session **and** the services listening on user's d-bus session.

Until now, the variables were updated using the `import-environment`
environment command of `systemctl`. But, it would only be executed if
systemd was present on the host system. Leaving the variables on the
d-bus side either uninitialized or with incorrect values.

Therefore, instead of using `systemctl`, use the
`dbus-update-activation-environment` command to initialize/update the
environment variables for user's d-bus session but also for user's
systemd session. This is done by passing the `--systemd` option.

When systemd is not detected, the command doesn't fail, it simply
doesn't update the variables for user's systemd session. And since a
systemd user session doesn't exist, no harm no foul.
This commit is contained in:
Pratham Patel 2025-05-22 13:30:53 +05:30 • committed by Michael Murphy
parent 80209d5aad
commit c22dcdfe06
1 changed files with 2 additions and 2 deletions
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data/start-cosmic
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@ -38,9 +38,9 @@ export QT_AUTO_SCREEN_SCALE_FACTOR=1
export QT_ENABLE_HIGHDPI_SCALING=1
export DCONF_PROFILE=cosmic
if command -v systemctl >/dev/null; then
if command -v dbus-update-activation-environment >/dev/null; then
# set environment variables for new units started by user service manager
systemctl --user import-environment XDG_SESSION_TYPE XDG_CURRENT_DESKTOP DCONF_PROFILE
dbus-update-activation-environment --systemd XDG_SESSION_TYPE XDG_CURRENT_DESKTOP DCONF_PROFILE
fi
# Run cosmic-session
if [[ -z "${DBUS_SESSION_BUS_ADDRESS}" ]]; then