#!/usr/bin/env bash

set -eo pipefail

WORKSPACE_PATH="${1:-$(pwd)}"

if [[ ! -d "${WORKSPACE_PATH}" || ! "${WORKSPACE_PATH}" = /* || ! -f "${WORKSPACE_PATH}/contrib/guix/guix-build" ]]; then
    echo "${0##*/}: ${WORKSPACE_PATH} is not the top directory of the Dash Core repository, exiting!"
    exit 1
fi

XCODE_VERSION="12.2"
XCODE_RELEASE="12B45b"
XCODE_ARCHIVE="Xcode-${XCODE_VERSION}-${XCODE_RELEASE}-extracted-SDK-with-libcxx-headers"
XCODE_SOURCE="${XCODE_SOURCE:-https://bitcoincore.org/depends-sources/sdks}"

export SDK_PATH="${SDK_PATH:-${WORKSPACE_PATH}/depends/SDKs}"

# Check if macOS SDK is present, if not, download it
if [[ ! -d "${SDK_PATH}/${XCODE_ARCHIVE}" ]]; then
    echo "Preparing macOS SDK..."
    mkdir -p "${SDK_PATH}"
    curl -L "${XCODE_SOURCE}/${XCODE_ARCHIVE}.tar.gz" | tar -xz -C "${SDK_PATH}"
fi

# Add safe.directory option only when WORKSPACE_PATH was specified via cmd-line arguments (happens in CI)
if [[ -n "${1}" ]]; then
    # Avoid adding duplicates
    git config --global --fixed-value --get safe.directory "${WORKSPACE_PATH}" >> /dev/null || \
        (echo "Adding safe.directory" && git config --global --add safe.directory "${WORKSPACE_PATH}")
fi

cd "${WORKSPACE_PATH}"
git status >> /dev/null

export HOSTS="${HOSTS:-x86_64-linux-gnu aarch64-linux-gnu riscv64-linux-gnu
                       x86_64-w64-mingw32
                       x86_64-apple-darwin arm64-apple-darwin}"

./contrib/guix/guix-build