From: Nicolas Boisselier <nicolas.boisselier@gmail.com>
Date: Mon, 20 May 2019 03:00:47 +0000 (+0100)
Subject: etc/profile.d/sys.sh
X-Git-Url: https://git.nbdom.net/?a=commitdiff_plain;h=a2f98841f395f9fce1601c072079eb6e177c6242;p=nb.git

etc/profile.d/sys.sh
---

diff --git a/etc/profile.d/sys.sh b/etc/profile.d/sys.sh
index 8c846b62..8177840f 100644
--- a/etc/profile.d/sys.sh
+++ b/etc/profile.d/sys.sh
@@ -209,7 +209,7 @@ sys_interfaces_all() {
 	fi
 ) | awk '!x[$0]++ && $1 !~ /^(lo)$/ {print}' | while read int; do
 
-	infos=$(( ip addr show "$int" || ifconfig "$int") 2> /dev/null)
+	infos=$( (ip addr show "$int" || ifconfig "$int") 2> /dev/null )
 
 	mac=$(echo "$infos" | awk '/ether ([^ ]+)/{print $2}')
 	[ -z "$mac" ] && continue
@@ -235,7 +235,7 @@ sys_cpu_load() {
 	;
 }
 
-sys_cpu_temperature() {
+sys_temperatures() {
 	# Mac, others
 	# /sys/devices/platform/applesmc.768/temp*input
 	(
@@ -245,3 +245,19 @@ sys_cpu_temperature() {
 	# NB 13.05.19   awk '{printf("%.1f\n",$1/1000)}' /sys/class/thermal/thermal_zone*/temp
 	#awk '{ count++; sum+=$1 } END {printf("%.1f",sum/count/1000)}' /sys/class/thermal/thermal_zone*/temp
 }
+
+sys_mount_dir() {
+	local usage="Usage: sys_mount_dir DIR"
+
+	local dir=${1:?$usage}
+	[ ! -d "$dir" ] && echo "$usage" && return 1
+	local real_dir="$(cd "$dir" && pwd -P)"
+	[ 0 = 1 \
+		-o "$real_dir" = "/" \
+		-o "$real_dir" = "$(pwd)" \
+	] && echo "Directory not allowed: $dir ( $real_dir )" && return 1
+
+	for i in proc dev dev/pts sys; do
+		echo mount -o bind /$i $dir/$i
+	done
+}