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Allow dot in interface name in get_default_host_ip() #40

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Allow dot in interface name in get_default_host_ip() #40

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2 changes: 1 addition & 1 deletion functions
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Original file line number Diff line number Diff line change
Expand Up @@ -218,7 +218,7 @@ function get_default_host_ip() {
local host_ip=$4

# Find the interface used for the default route
host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \(\w\+\)\s\+.*/\1/; p; }' | head -1)}
host_ip_iface=${host_ip_iface:-$(ip route | sed -n '/^default/{ s/.*dev \([a-z.0-9_]\+\)\s\+.*/\1/; p; }' | head -1)}
# Search for an IP unless an explicit is set by ``HOST_IP`` environment variable
if [ -z "$host_ip" -o "$host_ip" == "dhcp" ]; then
host_ip=""
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