From 93994d3407788f476180aecbe888346b52935159 Mon Sep 17 00:00:00 2001
From: Harald Pfeiffer <coding@lirion.de>
Date: Fri, 25 Jan 2019 11:45:21 +0100
Subject: 2019-01-24

---
 localfs/usr/local/bin/batman | 30 ++++++++++++++++++++++--------
 1 file changed, 22 insertions(+), 8 deletions(-)

(limited to 'localfs/usr/local/bin/batman')

diff --git a/localfs/usr/local/bin/batman b/localfs/usr/local/bin/batman
index bfa00c0..5b873d7 100755
--- a/localfs/usr/local/bin/batman
+++ b/localfs/usr/local/bin/batman
@@ -1,9 +1,11 @@
 #!/bin/sh
 
 declare -x VOERBOOS
-export RETVAL=0
-export BATVAL="$(echo "scale=0;$(cat /sys/class/power_supply/BAT0/charge_now)*100/$(cat /sys/class/power_supply/BAT0/charge_full)"|bc -l)"
-export BATSTATE="$(cat /sys/class/power_supply/BAT0/status)"
+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
@@ -11,12 +13,23 @@ function batmobile {
 				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" "$MSG"||RETVAL=$(("$RETVAL"+$?))
-				sudo shutdown -P +2 "$MSG"||RETVAL=$(("$RETVAL"+$?))
+				if [ ! -e "$BATFILE" ];then
+					/usr/sbin/shutdown -P +2 "Battery low and discharging, powering down. (batman)"&&touch "$BATFILE"||RETVAL=$(("$RETVAL"+$?))
+				fi
 			;;
 		esac
 	else
@@ -30,12 +43,13 @@ function batarang {
 
 while getopts :vnp SHOPT;do
 	case "$SHOPT" in
-		v)export VOERBOOS=1;;
-		p)batmobile;;
-		""|n)batarang;;
-		*)echo "Not supported option: -""${OPTARG}" >&2;RETVAL=$(($RETVAL+1)) >&2;WRONGOPT=1;;
+		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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