From c0845627b0a78c954cd9a8ec1f2c74fbadb319dd Mon Sep 17 00:00:00 2001
From: Harald Pfeiffer <harald.pfeiffer@xmart.de>
Date: Wed, 27 Jun 2018 13:31:34 +0200
Subject: Initial commit

---
 bin/batman | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 bin/batman

(limited to 'bin')

diff --git a/bin/batman b/bin/batman
new file mode 100755
index 0000000..5b873d7
--- /dev/null
+++ b/bin/batman
@@ -0,0 +1,55 @@
+#!/bin/sh
+
+declare -x VOERBOOS
+RETVAL=0;export RETVAL
+BATVAL="$(echo "scale=0;$(cat /sys/class/power_supply/BAT0/charge_now)*100/$(cat /sys/class/power_supply/BAT0/charge_full)"|bc -l)";export BATVAL
+BATSTATE="`cat /sys/class/power_supply/BAT0/status`";export BATSTATE
+BATFILE="/tmp/batman.sd";export BATFILE
+export OPTCNT=0
+function batmobile {
+	if [ "$BATVAL" -le 5 ];then
+		case "$BATSTATE" in
+			"Charging")
+				MSG="Battery charged at $BATVAL% with status \"$BATSTATE\", no shutdown."
+				[ ! -z "$VOERBOOS" ]&&[ "$VOERBOOS" -eq 1 ]&&echo "$MSG"||true
+				logger -p"info" -t"batman" "Battery charged at $BATVAL% with status \"$BATSTATE\", no shutdown."||RETVAL=$(("$RETVAL"+$?))
+				[ -e "$BATFILE" ]&&/usr/sbin/shutdown -c >/dev/null 2>&1&&rm "$BATFILE"
+				SDCRV="$?"
+				case "$SDCRV" in
+					0) logger -p"info" -t"batman" "Shutdown cancelled.";;
+					*)
+						logger -p"warn" -t"batman" "$BATFILE exists but couldn't cancel shutdown!"
+						RETVAL=$(("$RETVAL"+"$SDCRV"))
+					;;
+				esac
+			;;
+			*)
+				MSG="Battery charged at $BATVAL%, powering down."
+				[ ! -z "$VOERBOOS" ]&&[ "$VOERBOOS" -eq 1 ]&&echo "$MSG"||true
+				logger -pwarn -t"batman" "$MSG"||RETVAL=$(("$RETVAL"+$?))
+				if [ ! -e "$BATFILE" ];then
+					/usr/sbin/shutdown -P +2 "Battery low and discharging, powering down. (batman)"&&touch "$BATFILE"||RETVAL=$(("$RETVAL"+$?))
+				fi
+			;;
+		esac
+	else
+		MSG="Battery charged at $BATVAL%, no shutdown."
+		[ ! -z "$VOERBOOS" ]&&[ "$VOERBOOS" -eq 1 ]&&echo "$MSG"||logger -p"info" -t"batman" "$MSG"||RETVAL=$(("$RETVAL"+$?))
+	fi
+}
+function batarang {
+	MSG="$BATVAL% ($BATSTATE)";echo "$MSG";
+}
+
+while getopts :vnp SHOPT;do
+	case "$SHOPT" in
+		v)VOERBOOS=1;export VOERBOOS;((OPTCNT++));;
+		p)batmobile;((OPTCNT++));;
+		""|n)batarang;((OPTCNT++));;
+		*)echo "Not supported option: -""${OPTARG}" >&2;RETVAL=$(($RETVAL+1)) >&2;WRONGOPT=1;((OPTCNT++));;
+	esac
+done
+shift $(( $OPTIND - 1 ))
+[ "$OPTCNT" -le 0 ]&&batarang
+[ ! -z "$WRONGOPT" ]&&[ "$WRONGOPT" -eq 1 ]&&exit 1||true
+exit "$RETVAL"
-- 
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