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