From 7b331521a1aa4b4c31ba1f5fcfa76a34ff2e5768 Mon Sep 17 00:00:00 2001
From: Lars Vierbergen <vierbergenlars@gmail.com>
Date: Tue, 15 Oct 2019 21:34:37 +0200
Subject: [PATCH] Handle case where no rate information is available (e.g. when
 wireless mouse with acpi integration is plugged)

---
 battery-monitor.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/battery-monitor.sh b/battery-monitor.sh
index b89c21c..40c7290 100755
--- a/battery-monitor.sh
+++ b/battery-monitor.sh
@@ -3,7 +3,7 @@ set -e
 trap 'xmessage -nearmouse "WARNING: battery monitor died!"' EXIT
 was_notified=0
 while true; do
-    acpi_data=$(acpi -b)
+    acpi_data=$(acpi -b | grep -v 'rate information unavailable' | head -n1)
     status=$(echo -n "$acpi_data" | awk -F'[,:%]' '{print $2}')
     capacity=$(echo -n "$acpi_data" | awk -F'[,:%]' '{print $3}')
     echo "Status: $status; Capacity: $capacity; was_notified: $was_notified"
@@ -15,7 +15,7 @@ while true; do
         was_notified=1
     fi
     if [[ "$status" =~ "Discharging" && "$capacity" -lt 10 ]]; then
-        bash -c 'echo "Battery critical, suspending"; acpi -b' | xmessage -nearmouse -file -&
+        echo -e "Battery critical, suspending\n$acpi_data" | xmessage -nearmouse -file -&
         sleep 5
         systemctl suspend
         sleep 600 # Wait 10 minutes, so we only hibernate once