Fix regular expression and test

functions/utilities.zsh

@@ -402,7 +402,7 @@ function p9k::parseIp() {
     for interfaceName in $relevantInterfaces; do
       local interface="$(${ROOT_PREFIX}/sbin/ifconfig $interfaceName 2>/dev/null)"
       # Check if interface is UP.
-      if [[ "${interface/${newline}/}" =~ "<UP(,)?[^>]*>(.*?)inet[ ]*([^ ]*)" ]]; then
+      if [[ "${interface/${newline}/}" =~ "<UP(,)?[^>]*>(.*)inet[ ]*([^ ]*)" ]]; then
         echo "${match[3]}"
         return 0
       fi

test/segments/ip.spec

@@ -212,6 +212,8 @@ function testIpSegmentWorksOnOsxWithNoInterfaceSpecified() {
 function testIpSegmentWorksOnOsxWithInterfaceSpecified() {
   fakeIfconfig "eth1"
 
+  local POWERLEVEL9K_IP_INTERFACE="eth1"
+
   # Load Powerlevel9k
   source powerlevel9k.zsh-theme
   local OS='OSX' # Fake OSX
@@ -232,6 +234,8 @@ function testIpSegmentWorksOnLinuxWithNoInterfaceSpecified() {
 function testIpSegmentWorksOnLinuxWithInterfaceSpecified() {
   fakeIp "eth3"
 
+  local POWERLEVEL9K_IP_INTERFACE="eth3"
+
   # Load Powerlevel9k
   source powerlevel9k.zsh-theme
   local OS='Linux' # Fake Linux