#!/bin/bash

set -e

# Pick a version from https://github.com/indygreg/python-build-standalone/releases

# Assets look like cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-...

# Must be >=3.10 to support PREVIOUS.

PYTHON_VERSION=3.11.9

PYTHON_BUILD_DATE=20240726

# Call with os and arch.

# Or set $OSTYPE and $RUN_ARCH and call with nothing.

# OSTYPEs are aliased as follows:

# linux: linux-gnu*

# windows: msys*

# mac: darwin*

# Architecture values accepted are x64, x86, and arm64.

# Some brutal aliasing:

# arm64: arm64, aarch64

# x64: x64, amd64, x86_64

# Implemented permutations:

# linux x64,arm64

# windows x64,x86

# mac x64

os="$1"

if [[ "$os" = "" ]]; then

os="$OSTYPE"

fi

arch="$2"

if [[ "$arch" = "" ]]; then

arch="$RUN_ARCH"

fi

if [[ "$arch" = "" ]]; then

arch="x64"

fi

if [[ "$arch" = "amd64" ]]; then

arch="x64"

fi

if [[ "$arch" = "x86_64" ]]; then

arch="x64"

fi

if [[ "$arch" = "aarch64" ]]; then

arch="arm64"

fi

if [[ "$os" = "linux-gnu"* ]]; then

os="linux"

fi

if [[ "$os" = "linux-musl"* ]]; then

os="linux"

fi

if [[ "$os" = "msys"* || "$os" = "cygwin"* ]]; then

os="windows"

fi

if [[ "$os" = "darwin"* ]]; then

os="mac"

fi

function not_implemented {

echo "Combination of OS [$os] and architecture [$arch] not implemented yet"

exit 1

}

function fetch_python {

download="$1"

if [[ ! -e core/cpython.tar.gz ]]; then

curl -L https://github.com/indygreg/python-build-standalone/releases/download/$download -o core/cpython.tar.gz

fi

}

function unpack_python {

cd core

tar xfz cpython.tar.gz

cd ..

}

function fetch_msapi {

if [[ ! -e core/api.zip ]]; then

# version of a needed dll reconstructed for blender based on wine

curl -L https://github.com/nalexandru/api-ms-win-core-path-HACK/releases/download/0.3.1/api-ms-win-core-path-blender-0.3.1.zip -o core/api.zip

fi

}

function unpack_msapi {

if [[ "$arch" = "x86" ]]; then

cd core

unzip api.zip

cp api-ms-win-core-path-blender/x86/*.dll python/

cd ..

elif [[ "$arch" = "x64" ]]; then

cd core

unzip api.zip

cp api-ms-win-core-path-blender/x64/*.dll python/

cd ..

else

not_implemented

fi

}

function python_for_linux {

if [[ "$arch" = "x64" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-x86_64_v3-unknown-linux-gnu-install_only.tar.gz

elif [[ "$arch" = "arm64" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-aarch64-unknown-linux-gnu-install_only.tar.gz

else

not_implemented

fi

unpack_python

}

function python_for_windows {

if [[ "$arch" = "x64" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-x86_64-pc-windows-msvc-shared-install_only.tar.gz

elif [[ "$arch" = "x86" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-i686-pc-windows-msvc-shared-install_only.tar.gz

else

not_implemented

fi

fetch_msapi

unpack_python

unpack_msapi

}

function python_for_mac {

if [[ "$arch" = "x64" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-x86_64-apple-darwin-install_only.tar.gz

elif [[ "$arch" = "arm64" ]]; then

fetch_python ${PYTHON_BUILD_DATE}/cpython-${PYTHON_VERSION}+${PYTHON_BUILD_DATE}-aarch64-apple-darwin-install_only.tar.gz

else

not_implemented

fi

unpack_python

}

set -x

echo "======================================================================="

echo "Fix paths for static resources that are node_module symlinks in core"

# Rebuilt from scratch every time: relinking alone leaves a link behind under its

# old name when one of these is renamed, and core/static_ext is packaged as-is.

rm -rf core/static_ext

mkdir -p core/static_ext

ln -sfn ../../node_modules/bootstrap-datepicker core/static_ext/bootstrap-datepicker

ln -sfn ../../node_modules/jquery core/static_ext/jquery

ln -sfn ../../node_modules/jquery-ui core/static_ext/jquery-ui

ln -sfn ../../node_modules/highlight.js/styles/default.css core/static_ext/hljs.default.css

echo ""

echo "======================================================================="

echo "Configure Grist to include external Electron code during build"

# We basically want core/ext to be a link to ext, for a lightly

# customized build of Grist. But there are two relative symlinks in ext to

# version information that now confuse the electron builder. So we make

# core/ext a real directory and place symlinks within it. Electron builder

# appears to cope okay with this. Links are absolute and unnested to make

# Windows happy.

rm -rf core/ext

mkdir core/ext

for source in ext/*; do

f=$(basename "$source")

ln -s "$(realpath "$source")" "core/ext/$f"

done

echo ""

echo "======================================================================="

echo "Make a self-contained version of Python available"

if [[ ! -e core/python ]]; then

python_for_$os || {

echo "Did not install self-contained Python for $os:$arch, will use end-user's system python3"

}

if [[ -e core/python/bin/python3 ]]; then

core/python/bin/python3 --version

fi

fi

echo ""

echo "======================================================================="

echo "Tweak typescript project layout"

# Make some links to make a valid typescript project and make editors happier to autocomplete

for d in buildtools app stubs; do

if [[ ! -e $d ]]; then

ln -s core/$d $d

fi

done

if [[ ! -e tsconfig.json ]]; then

ln -s core/tsconfig-ext.json tsconfig.json

fi

echo ""

echo "======================================================================="

echo "Get Pyodide ready"

cd core/sandbox/pyodide

# work around an awkward bug with sh + make + windows + runners

# https://github.com/actions/runner-images/issues/7253

bash ./setup.sh

make fetch_packages

# need at least one file for the directory to get unpacked by pyodide

touch _build/cache/EMPTY