iso-profiles/oem/gaming-oem-kde6/desktop-overlay/usr/bin/startplasma-steamos-oneshot
2024-03-07 18:20:40 +07:00

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Executable file

#!/bin/bash
set -e
die() { echo >&2 "!! $*"; exit 1; }
SENTINEL_FILE="steamos-session-select"
SENTINEL_VALUE="plasma-steamos-oneshot.desktop"
# If we proceed, execute this
CHAINED_SESSION="/usr/bin/startplasma-x11"
# If we decide the sentinel is consumed, execute this command instead and fail
RESTORE_SESSION=(steamos-session-select) # No arguments restores the session
# Find or check config sentinel
check_sentinel()
{
if [[ -z ${HOME+x} ]]; then
echo >&2 "$0: No \$HOME variable!"
# Rather than break we'll just launch plasma and hope for the best?
return 0
fi
local config_dir="${XDG_CONF_DIR:-"$HOME/.config"}"
(
cd "$HOME"
cd "$config_dir"
sentinel_value="$(cat "$SENTINEL_FILE")"
[[ $sentinel_value = "$SENTINEL_VALUE" ]] || return 1
rm "$SENTINEL_FILE"
) || return 1 # If we couldn't read the value or it wasn't what we wanted
# Found value and removed it, we're good to continue
return 0
}
if check_sentinel; then
# We found and consumed the oneshot sentinel, proceed to launch plasma
echo >&2 "$0: Found and removed sentinel file for one-shot plasma, proceeding to launch"
exec "$CHAINED_SESSION"
else
echo >&2 "$0: Sentinel value not found, executing session-select to restore session"
"${RESTORE_SESSION[@]}" || echo >&2 "$0: !! Failed to restore previous session, executing chained session"
# Session restore should've stopped us, if it is broken at least let plasma continue to open
exec "$CHAINED_SESSION"
fi