cog/Scripts/extract_libraries.sh

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#!/bin/sh
BASEDIR=$(dirname "$0")
until [ ! -f "${BASEDIR}/../ThirdParty/libraries.extracting" ]
do
sleep 5
done
if [ \( ! -f "${BASEDIR}/../ThirdParty/libraries.updated" \) -o \( "${BASEDIR}/../ThirdParty/libraries.updated" -ot "${BASEDIR}/../ThirdParty/libraries.tar.xz" \) ]; then
touch "${BASEDIR}/../ThirdParty/libraries.extracting"
tar -C "${BASEDIR}/../ThirdParty" -xvf "${BASEDIR}/../ThirdParty/libraries.tar.xz"
touch "${BASEDIR}/../ThirdParty/libraries.updated"
rm -f "${BASEDIR}/../ThirdParty/libraries.extracting"
fi