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A simple function to detect Lua version
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| local luaversion = function() | |
| if ({false, [1] = true})[1] then -- luacheck: ignore 314 | |
| return 'LuaJIT' | |
| elseif 1 / 0 == 1 / '-0' then | |
| return 0 + '0' .. '' == '0' and 'Lua 5.4' or 'Lua 5.3' | |
| end | |
| local f = function() return function() end end | |
| return f() == f() and 'Lua 5.2' or 'Lua 5.1' | |
| end | |
| return { | |
| luaversion = luaversion, | |
| } |
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| #!/bin/sh | |
| if ! command -V hererocks > /dev/null; then | |
| echo 'hererocks not found' | |
| exit 1 | |
| fi | |
| echo "using $(hererocks --version)" | |
| echo | |
| tmp=$(mktemp -d) | |
| trap 'rm -r "${tmp}"; trap - EXIT' EXIT INT QUIT TERM HUP | |
| for lua in 'lua 5.1' 'lua 5.2' 'lua 5.3' 'lua 5.4' 'luajit 2.0' 'luajit 2.1'; do | |
| echo "installing ${lua}" | |
| lua_dir="${tmp}/$(echo "${lua}" | tr ' .' '_')" | |
| if ! install_log=$(eval hererocks "--${lua}" "${lua_dir}" 2>&1); then | |
| echo "failed to install ${lua}:" | |
| echo "${install_log}" | |
| exit 1 | |
| fi | |
| lua_bin="${lua_dir}/bin/lua" | |
| echo "installed $(${lua_bin} -v 2>&1)" | |
| echo "_VERSION = $("${lua_bin}" -e 'print(_VERSION)')" | |
| echo "luaversion() = $("${lua_bin}" -e 'print(require("luaversion").luaversion())')" | |
| echo | |
| done |
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