nevaforget
46978af7b8
Leerer text-Wert lässt Waybar das Modul automatisch verstecken. Cache-TTL zurück auf 300s.
30 lines
846 B
Bash
Executable File
30 lines
846 B
Bash
Executable File
#!/bin/bash
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# ABOUTME: Waybar-Wrapper für corsairctl — cached JSON-Output.
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# ABOUTME: Verhindert dass mehrere Waybar-Bars gleichzeitig das HID-Gerät ansprechen.
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CACHE="/tmp/corsairctl-waybar.json"
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LOCK="/tmp/corsairctl-waybar.lock"
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MAX_AGE=300
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FALLBACK='{"text":"","tooltip":"","class":"offline","percentage":0}'
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# Cache frisch genug? Direkt ausgeben.
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if [[ -f "$CACHE" ]] && [[ -s "$CACHE" ]]; then
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age=$(( $(date +%s) - $(stat -c %Y "$CACHE") ))
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if (( age < MAX_AGE )); then
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cat "$CACHE"
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exit 0
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fi
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fi
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# Lock holen, abfragen, cachen.
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(
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flock -w 5 9 || { cat "$CACHE" 2>/dev/null || echo "$FALLBACK"; exit 0; }
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if corsairctl json > "${CACHE}.tmp" 2>/dev/null; then
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mv "${CACHE}.tmp" "$CACHE"
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cat "$CACHE"
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else
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rm -f "${CACHE}.tmp"
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echo "$FALLBACK"
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fi
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) 9>"$LOCK"
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