#!/bin/sh -ex

rc-service networking start

apk update
apk add luarocks$maj.$min zip upx
ln -s /usr/bin/luarocks-$maj.$min /usr/local/bin/luarocks
# We can create the link, even if the file doesn't exist yet. When gcc links
# it'll use the filename built into the binary, not the name of the link so
# this is fine.
ln -s /root/lua$maj$min.dll /root/liblua.dll

luaver=$(ls lua-*.tar.gz | grep -Eo "lua-.\\..")
mkdir "$luaver"
tar -xvzf lua-*.tar.gz --directory="$luaver" --strip-components=1
rm /root/$luaver/src/*.c
rm -rf /root/$luaver/doc
rm -rf /root/$luaver/test
rm -rf /root/$luaver/etc
rm /root/*.tar.gz
rm -rf /root/image-mingw64
luarocks config arch $arch
luarocks config link_lua_explicitly true
luarocks config variables.LUA_INCDIR /root/$luaver/src
luarocks config lib_extension dll
luarocks config external_lib_extension dll
luarocks config variables.LIB_EXTENSION dll
# Downstream is responsible for selecting the lua51.dll, whatever it's compiled for
luarocks config variables.LUA_LIBDIR /root
# Luarocks checks for liblua.so and liblua.a but gcc looks for liblua.dll
# Can't use luarocks config because it sets it as a string
echo "variables.LUA_LIBDIR_OK = true" >> "$(luarocks config config_files.nearest)"
echo 'external_deps_dirs = {"/usr/x86_64-w64-mingw32"}' >> "$(luarocks config config_files.nearest)"