AirSim/install_unreal.sh

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#! /bin/bash
# get path of current script: https://stackoverflow.com/a/39340259/207661
SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
pushd "$SCRIPT_DIR" >/dev/null
set -e
set -x
#confirm unreal install directory
UnrealDir=$1
if [[ !(-z "UnrealDir") ]]; then
UnrealDir="$SCRIPT_DIR/UnrealEngine"
fi
read -p "Unreal will be installed in $UnrealDir. To change it invoke script with path argument. Continue? " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]
then
popd >/dev/null
exit 1 # Exit code 1 so that install_run_all.sh will not proceed further
fi
#install unreal
if [[ !(-d "$UnrealDir") ]]; then
git clone -b 4.25 git@github.com:EpicGames/UnrealEngine.git "$UnrealDir"
pushd "$UnrealDir" >/dev/null
./Setup.sh
./GenerateProjectFiles.sh
make
popd >/dev/null
fi