#!/bin/bash

die() { echo "ERROR: $1"; exit; }

if [ -z $1 ]; then
	echo "usage: $(basename ${BASH_SOURCE[0]}) <output_dir>"
	exit
fi

if [ -e $1 ]; then
	rmdir $1
	if [ $? -gt 0 ]; then
		die "$1 is not empty"
		exit
	fi
fi

mkdir -p $1
cd $1

p4 login -s
if [ $? -gt 0 ]; then
	die "Not logged into Perforce"
fi

# Perforce paths
if [ -z $AUTOSDK_PATH ]; then
	AUTOSDK_PATH=//depot/CarefullyRedist/HostLinux/Linux_x64/v21_clang-15.0.1-centos7/x86_64-unknown-linux-gnu
fi

if [ -z $UE_PATH ]; then
	UE_PATH=//UE5/Main
fi

if [ -z $UE_LIBCXX_PATH ]; then
	UE_LIBCXX_PATH=$UE_PATH/Engine/Source/ThirdParty/Unix/LibCxx
fi

p4_print() {
	echo -n $1
	p4 print -q -o$2/$(basename $1) $1
	echo
}

# toolchain
p4_print $AUTOSDK_PATH/bin/clang* bin
#p4_print $AUTOSDK_PATH/bin/lld bin

p4_print $AUTOSDK_PATH/lib/gcc/... lib/gcc
p4_print $AUTOSDK_PATH/lib/clang/*/include/... lib/clang/*/include

# headers
p4_print $AUTOSDK_PATH/usr/include/...h usr/include

# libraries
p4_print $AUTOSDK_PATH/lib64/* lib64
p4_print $AUTOSDK_PATH/usr/lib64/* usr/lib64

mkdir -p usr/lib
mv usr/lib64/*.o usr/lib

# ue's libc++
p4_print $UE_LIBCXX_PATH/include/... include
p4_print $UE_LIBCXX_PATH/lib/Unix/x86_64-unknown-linux-gnu/* lib64