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#!/bin/sh
# Exit status codes:
# 0 = Version reported correctly
# 1 = Error
TWS_TIMEOUT="15"
if ! test -e "$1"; then
echo "Usage: $0 <sh>" 1>&2
echo "Example: $0 $HOME/.tws_scripts/tws-latest-standalone-linux-x64.sh" 1>&2
exit 1
fi
# Clean up installation directories if required and install new version
rm -rf $HOME/Jts $HOME/.install4j $HOME/.i4j_jres $HOME/tws
mkdir -p $HOME/Jts
# Install TWS
ARG1="$(readlink -v -f "$1")" || exit 1
chmod +x ${ARG1}
${ARG1} -q &> /dev/null
# Run TWS in virtual frame buffer
LOG="$HOME/Jts/launcher.log"
/usr/sbin/xvfb-run -n 99 $HOME/tws/tws &
# Wait for TWS JVM to start writing to $LOG
while [ ! -f $LOG ]; do
inotifywait -q -q -t 10 -e create --format '%f' $HOME/Jts
if [ $? -eq 2 ] && [ ! -f $LOG ]; then
echo "Error: $LOG not found"
exit 1
fi
done
# Wait for $LOG to contain version ("Build") line
for count in {0..10}; do
grep -q ' - Build' $LOG
if [ $? -eq 0 ]; then
break
fi
sleep 1
done
# Kill process now that version line or timeout was reached
pkill -9 -f tws/jars/ &> /dev/null
# Clean up ready for next run
rm -rf $HOME/.install4j $HOME/.i4j_jres $HOME/tws
# Extract version line from log now the JVM has exited
VERSION_LINE=$(grep -m1 ' - Build' $LOG)
if [ $? -eq 0 ]; then
echo "${VERSION_LINE}" |sed -e 's/.*Build //1' -e 's/,.*//1'
exit 0
fi
echo "could not grep version string; final log appears below" 1>&2
cat $LOG 1>&2
exit 1
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