motd.sh: add rootless docker from userlist

motd.sh

@@ -69,6 +69,22 @@ done
 printf "\nDocker:\n"
 printf "$out" | column -ts $',' | sed -e 's/^/ /'
 
+rootless_users=($(cat /.motd.users))
+for user in ${rootless_users[@]}; do
+	containers=($(sudo -n DOCKER_HOST=unix:///run/user/$(id -u $user)/docker.sock docker ps --format "{{.Image}}/{{.Names}}"))
+	container_statuses=($(sudo -n DOCKER_HOST=unix:///run/user/$(id -u $user)/docker.sock docker ps --format "{{.State}}"))
+	out=""
+	for i in ${!containers[@]}; do
+		if [[ "${container_statuses[$i]}" == "running" ]]; then
+			out+="${containers[$i]}:,${green}${container_statuses[$i]}${undim},"
+		else
+			out+="${containers[$i]}:,${red}${container_statuses[$i]}${undim},"
+		fi
+		out+="\n"
+	done
+	printf "\nDocker > $user:\n"
+	printf "$out" | column -ts $',' | sed -e 's/^/ /'
+done
 
 ### Disk space ###
 # config