#!/bin/bash

set -e

while getopts "d:s:v" OPTION; do
    case $OPTION in
	d) dest_dir="$OPTARG" ;;
	s) version="$OPTARG" ;;
	v) set -x ;;
    esac
done
shift $((OPTIND-1))

if [ -e "$dest_dir" ]; then
    echo "ERROR: Cannot install into existing directory: $dest_dir"
    exit 1
fi

mkdir -p "$dest_dir"

case "$version" in
    "cpu2000"*) git_repo="CPU2000.git" ;;
    "cpu2006"*) git_repo="CPU2006.git" ;;
    "cpu2017"*) git_repo="CPU2017.git" ;;
    *)
	echo "UNKNOWN SPEC VERSION: $version"
	exit 1
	;;
esac

if [ $# -gt 0 ]; then
    echo "ERROR: Extra arguments: $@"
    exit 1
fi

branch=""
if [ x"$version" = x"${version%v*}" ]; then
    branch="-b master --single-branch"
fi

git clone $branch --reference "/home/shared/git/$git_repo" \
    "ssh://dev-private-git.linaro.org/restricted-benchmarks/$git_repo" \
    "$dest_dir"

if [ x"$version" = x"${version%v*}" ]; then
    version="${version}v$(cat "$dest_dir/version.txt")"
fi

cpu="$(uname -m)"
case "$cpu" in
    "armv8l")
	cpu=armv7l
	;;
esac

case "$version" in
    "cpu2000"*)
	case "$cpu" in
	    "x86_64") arch=linux-glibc22-x86_64 ;;
	    "ia32") arch=linux-redhat62-ia32 ;;
	    "armv7l") arch=linux-armv7l ;;
	    "aarch64") arch=linux-aarch64 ;;
	esac
	;;
    "cpu2006"*)
	case "$cpu" in
	    "x86_64") arch=linux-suse10-amd64 ;;
	    "ia32") arch=linux-redhat62-ia32 ;;
	    "armv7l") arch=linux-armv7l ;;
	    "aarch64") arch=linux-apm-arm64 ;;
	esac
	;;
    "cpu2017"*)
	case "$cpu" in
	    "x86_64") arch=linux-x86_64 ;;
	    "ia32") arch=linux-x86_64 ;;
	    "armv7l") arch=linux-armv7l ;;
	    "aarch64") arch=linux-aarch64 ;;
	esac
	;;
esac

case "$version" in
    "cpu2000"*) (cd $dest_dir && ./install.sh $arch) ;;
    "cpu2006"*|"cpu2017"*) (cd $dest_dir && ./install.sh -f -u $arch) ;;
esac

case "$version" in
    "cpu2006"*)
	# Add a Makefile rule that all sources should be generated before
	# starting compilation.  This works around parallelization problem
	# when using rsync-based remote compilation.
	echo '$(OBJS): $(FINAL_SOURCES)' >> $dest_dir/benchspec/Makefile.defaults
	;;
esac