cosmic-session/data/start-cosmic

#!/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

if command -v systemctl >/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
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

# Start gnome keyring components if the daemon is active
# -> check if /run/user/$UID/keyring exists
if [ -d "/run/user/$(id -u)/keyring" ]; then

    # start pkcs11, secrets, and ssh components
    /usr/bin/gnome-keyring-daemon --start --components=pkcs11,secrets,ssh

fi