From a2981a3e35869f33e69eeec7dda99dcc1b83f237 Mon Sep 17 00:00:00 2001
From: Alice Gaudon <alice@gaudon.pro>
Date: Mon, 4 Oct 2021 11:35:37 +0200
Subject: [PATCH] Update motd.sh

---
 motd.sh | 21 ++++++++++++---------
 1 file changed, 12 insertions(+), 9 deletions(-)

diff --git a/motd.sh b/motd.sh
index 3ffc89c..c2cd436 100755
--- a/motd.sh
+++ b/motd.sh
@@ -26,8 +26,8 @@ undim="\e[0m"
 
 services=($(cat /.motd.services))
 # sort services
-IFS=$'\n' services=($(sort <<<"${services[*]}"))
-unset IFS
+#IFS=$'\n' services=($(sort <<<"${services[*]}"))
+#unset IFS
 
 service_status=()
 # get status of all services
@@ -56,7 +56,7 @@ printf "$out" | column -ts $',' | sed -e 's/^/  /'
 
 ### Disk space ###
 # config
-max_usage=90
+max_usage=80
 bar_width=50
 # colors
 white="\e[39m"
@@ -105,20 +105,23 @@ done <<< $(echo -e "$DISKS")
 
 
 ### Welcome message ###
-LAST_LOGIN=$(last -w | grep arisu | head -2 | tail -1)
+LAST_LOGIN=$(last -w | grep $(whoami) | head -2 | tail -1)
 echo -e
 echo -e "Welcome to $(hostname), $(whoami)!
 Last login: $(echo "$LAST_LOGIN" | awk '{for(i=4;i<=NF;i++) print $i}' | paste -sd ' ') from $(echo "$LAST_LOGIN" | awk '{print $3}')"
 
 ### ZFS available space warning ###
 if test $(command -v zfs); then
-	POOLS=$(zfs list -o name,available -p | tail -n+2)
+	POOLS=$(zfs list -o name,used,available -p | tail -n+2)
 	while read line; do
 		name=$(echo "$line" | awk '{print $1}')
-		avail=$(echo "$line" | awk '{print $2}')
+		used=$(echo "$line" | awk '{print $2}')
+		avail=$(echo "$line" | awk '{print $3}')
 
-		if [ $avail -le 150000000000 ]; then
-			echo -e "${red}Warning! ${white}$name ${undim}has less than 150GB"
+		percentage=$(echo "scale=2;$avail/($used+$avail)*100" | bc)
+
+		if (( $(echo "$percentage < 20" | bc -l) )); then
+			echo -e "${red}Warning! ${white}$name ${undim}only has ${percentage}% capacity left"
 		fi
 	done <<< $(echo -e "$POOLS")
-fi
\ No newline at end of file
+fi