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fetch-engine.sh
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fetch-engine.sh
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#!/bin/sh
# Helper script used to check and update engine dependencies
# This should not be called manually
command -v curl >/dev/null 2>&1 || command -v wget > /dev/null 2>&1 || { echo >&2 "The OpenRA mod SDK requires curl or wget."; exit 1; }
if command -v python3 >/dev/null 2>&1; then
PYTHON="python3"
else
command -v python >/dev/null 2>&1 || { echo >&2 "The OpenRA mod SDK requires python."; exit 1; }
PYTHON="python"
fi
require_variables() {
missing=""
for i in "$@"; do
eval check="\$$i"
[ -z "${check}" ] && missing="${missing} ${i}\n"
done
if [ ! -z "${missing}" ]; then
echo "Required mod.config variables are missing:\n${missing}Repair your mod.config (or user.config) and try again."
exit 1
fi
}
TEMPLATE_LAUNCHER=$(${PYTHON} -c "import os; print(os.path.realpath('$0'))")
TEMPLATE_ROOT=$(dirname "${TEMPLATE_LAUNCHER}")
# shellcheck source=mod.config
. "${TEMPLATE_ROOT}/mod.config"
if [ -f "${TEMPLATE_ROOT}/user.config" ]; then
# shellcheck source=user.config
. "${TEMPLATE_ROOT}/user.config"
fi
require_variables "MOD_ID" "ENGINE_VERSION" "ENGINE_DIRECTORY"
CURRENT_ENGINE_VERSION=$(cat "${ENGINE_DIRECTORY}/VERSION" 2> /dev/null)
if [ -f "${ENGINE_DIRECTORY}/VERSION" ] && [ "${CURRENT_ENGINE_VERSION}" = "${ENGINE_VERSION}" ]; then
exit 0
fi
if [ "${AUTOMATIC_ENGINE_MANAGEMENT}" = "True" ]; then
require_variables "AUTOMATIC_ENGINE_SOURCE" "AUTOMATIC_ENGINE_EXTRACT_DIRECTORY" "AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME"
echo "OpenRA engine version ${ENGINE_VERSION} is required."
if [ -d "${ENGINE_DIRECTORY}" ]; then
if [ "${CURRENT_ENGINE_VERSION}" != "" ]; then
echo "Deleting engine version ${CURRENT_ENGINE_VERSION}."
else
echo "Deleting existing engine (unknown version)."
fi
rm -rf "${ENGINE_DIRECTORY}"
fi
echo "Downloading engine..."
if command -v curl > /dev/null 2>&1; then
curl -s -L -o "${AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME}" -O "${AUTOMATIC_ENGINE_SOURCE}" || exit 3
else
wget -cq "${AUTOMATIC_ENGINE_SOURCE}" -O "${AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME}" || exit 3
fi
# Github zipballs package code with a top level directory named based on the refspec
# Extract to a temporary directory and then move the subdir to our target location
REFNAME=$(unzip -qql "${AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME}" | head -n1 | tr -s ' ' | cut -d' ' -f5-)
rm -rf "${AUTOMATIC_ENGINE_EXTRACT_DIRECTORY}"
mkdir "${AUTOMATIC_ENGINE_EXTRACT_DIRECTORY}"
unzip -qq -d "${AUTOMATIC_ENGINE_EXTRACT_DIRECTORY}" "${AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME}"
mv "${AUTOMATIC_ENGINE_EXTRACT_DIRECTORY}/${REFNAME}" "${ENGINE_DIRECTORY}"
rmdir "${AUTOMATIC_ENGINE_EXTRACT_DIRECTORY}"
rm "${AUTOMATIC_ENGINE_TEMP_ARCHIVE_NAME}"
echo "Compiling engine..."
cd "${ENGINE_DIRECTORY}" || exit 1
make version VERSION="${ENGINE_VERSION}"
exit 0
fi
echo "Automatic engine management is disabled."
echo "Please manually update the engine to version ${ENGINE_VERSION}."
exit 1