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update get_ip with more comments, change if [] #1

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6 changes: 4 additions & 2 deletions bbb-install.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -441,7 +441,9 @@ wait_443() {
}

get_IP() {
if [ ! -z "$IP" ]; then return 0; fi
# This function determines the local IP, sets the variable $IP, then attempts to determine external IP and check if external IP reaches the internal IP.
# Determine if get_IP has already been called ($IP exists), if so, no need to run again.
if [ -n "$IP" ]; then return 0; fi

# Determine local IP
need_pkg net-tools
Expand Down Expand Up @@ -471,7 +473,7 @@ get_IP() {
fi

# Check if the external IP reaches the internal IP
if [ ! -z "$external_ip" ] && [ "$IP" != "$external_ip" ]; then
if [ -n "$external_ip" ] && [ "$IP" != "$external_ip" ]; then
if which nginx; then
systemctl stop nginx
fi
Expand Down