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#!/usr/bin/env bash
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RED = '\033[0;31m'
GREEN = '\033[0;32m'
YELLOW = '\033[1;33m'
NC = '\033[0m'
METRO_PORT = 8081
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METRO_PID = " $( lsof -i :${ METRO_PORT } | awk 'NR!=1 {print $2}' | sort -u | tr '\r\n' ' ' ) "
if [ ! -z " $METRO_PID " ] ; then
echo -e " ${ YELLOW } TCP port ${ METRO_PORT } is required by the Metro packager.\nThe following processes currently have the port open, preventing Metro from starting: ${ NC } "
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ps -fp $METRO_PID
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echo -e " ${ YELLOW } Do you want to terminate them (y/n)? ${ NC } "
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read -n 1 term
[ [ $term = = 'y' ] ] && kill $METRO_PID
fi
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yarn start
