cosmic-session/data/start-cosmic
2026-02-03 16:37:32 +01:00

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#!/bin/bash
set -e
# From: https://people.debian.org/~mpitt/systemd.conf-2016-graphical-session.pdf
if command -v systemctl >/dev/null; then
# robustness: if the previous graphical session left some failed units,
# reset them so that they don't break this startup
for unit in $(systemctl --user --no-legend --state=failed --plain list-units | cut -f1 -d' '); do
partof="$(systemctl --user show -p PartOf --value "$unit")"
for target in cosmic-session.target graphical-session.target; do
if [ "$partof" = "$target" ]; then
systemctl --user reset-failed "$unit"
break
fi
done
done
fi
# use the user's preferred shell to acquire environment variables
# see: https://github.com/pop-os/cosmic-session/issues/23
if [ -n "${SHELL}" ]; then
# --in-login-shell: our flag to indicate that we don't need to recurse any further
if [ "${1}" != "--in-login-shell" ]; then
# `exec -l`: like `login`, prefixes $SHELL with a hyphen to start a login shell
exec bash -c "exec -l '${SHELL}' -c '${0} --in-login-shell'"
fi
fi
export XDG_CURRENT_DESKTOP="${XDG_CURRENT_DESKTOP:=COSMIC}"
export XDG_SESSION_TYPE="${XDG_SESSION_TYPE:=wayland}"
export _JAVA_AWT_WM_NONREPARENTING=1
export GDK_BACKEND=wayland,x11
export MOZ_ENABLE_WAYLAND=1
export QT_QPA_PLATFORM="wayland;xcb"
export QT_AUTO_SCREEN_SCALE_FACTOR=1
export QT_ENABLE_HIGHDPI_SCALING=1
export DCONF_PROFILE=cosmic
# Start gnome keyring components if the daemon is active
# -> check if /run/user/$UID/keyring exists
if [ -d "/run/user/$(id -u)/keyring" ]; then
# Use PATH lookup instead of hardcoding /usr/bin
if command -v gnome-keyring-daemon >/dev/null 2>&1; then
eval "$(gnome-keyring-daemon --start --components=pkcs11,secrets,ssh > /dev/null 2>&1)"
else
echo "gnome-keyring-daemon not found in PATH" >&2
fi
# Only set SSH_AUTH_SOCK if the socket actually exists. Either
# set the correct one, or don't set one at all. Don't set the
# wrong value.
if [ -S "/run/user/$(id -u)/gcr/ssh" ]; then
export SSH_AUTH_SOCK="/run/user/$(id -u)/gcr/ssh"
elif [ -S "/run/user/$(id -u)/keyring/ssh" ]; then
export SSH_AUTH_SOCK="/run/user/$(id -u)/keyring/ssh"
fi
fi
if command -v systemctl >/dev/null; then
# Import some variables that we explicitly want to have available
# in the user session.
systemctl --user import-environment XDG_SESSION_TYPE XDG_CURRENT_DESKTOP DCONF_PROFILE SSH_AUTH_SOCK
# For environment variables already imported into the user's
# session, if the value imported differs from the value in this
# environment, update it.
mapfile -t existing_env_vars < <(systemctl --user show-environment)
for env_var in "${existing_env_vars[@]}"; do
env_var_name="$(echo "${env_var}" | awk -F '=' '{print $1}')"
env_var_val_str_to_compare="${env_var_name}=${!env_var_name:-}"
if [[ "${env_var}" != "${env_var_val_str_to_compare}" ]]; then
# Update only if the value in current environment is non-empty
env_var_unassigned_str="${env_var_name}="
if [[ "${env_var_val_str_to_compare}" != "${env_var_unassigned_str}" ]]; then
systemctl --user import-environment "${env_var_name}" ||:
fi
fi
done
fi
# Run cosmic-session
if [[ -z "${DBUS_SESSION_BUS_ADDRESS}" ]]; then
exec /usr/bin/dbus-run-session -- /usr/bin/cosmic-session
else
exec /usr/bin/cosmic-session
fi