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Fix lockfile handling in taskboard-launch.sh to prevent multiple instances #1

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Fix lockfile handling in taskboard-launch.sh to prevent multiple instances #1

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Copilot Apr 1, 2026
2ccb09a
Fix lockfile handling in taskboard-launch.sh to prevent multiple inst…
Copilot Apr 1, 2026
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14 changes: 13 additions & 1 deletion taskboard-launch.sh
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Original file line number Diff line number Diff line change
@@ -1,7 +1,19 @@
#!/bin/bash
# Launch taskboard watch in a small floating kitty terminal

exec kitty \
LOCKFILE="${XDG_RUNTIME_DIR:-/tmp}/taskboard-launch.pid"

# Suppress duplicate launches: if lockfile exists and the stored PID is alive, bail out
if [ -f "$LOCKFILE" ] && kill -0 "$(cat "$LOCKFILE")" 2>/dev/null; then
echo "Startup suppressed: $LOCKFILE contains running pid, startup script is already running"
exit 1
fi

# Remove lockfile on exit so future launches are not suppressed
trap 'rm -f "$LOCKFILE"' EXIT
echo $$ > "$LOCKFILE"

kitty \
--title "TASKBOARD" \
-o font_size=8 \
-o initial_window_width=549 \
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