#!/usr/bin/env bash

set -e

if [[ ! -r "./x.py" ]]; then
	echo >&2 "error: not in 'rustc' repository"
	exit 1
fi

export GCC_FARM_PREBUILD=$'
HOST_PATH="$HOST_PATH"
CONFIG_FILE="${HOST_PATH/#\~/\$HOME}/config.toml"
echo "Updating rustc config file \`\$CONFIG_FILE\`..."
CODEGEN_UNITS=$(( $(nproc) / 2 ))
sed -ibak -E "s/^#? ?(codegen-units) = .+$/\\1 = \$CODEGEN_UNITS/" "\$CONFIG_FILE"
'

exec gcc-farm "$@"