[crush] Update crush.lua to latest version.

This commit is contained in:
Lorenzo Cogotti 2022-10-02 16:46:37 +02:00
parent 432e913f4b
commit 4d2083d143

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@ -1,13 +1,39 @@
--- Crush
--
-- The uncomplicated dependency system for LÖVE.
--
-- @module crush
-- @copyright 2022 The DoubleFourteen Code Forge
-- @author Lorenzo Cogotti
-- @author Andrea Pasquini
--
--- crush - The uncomplicated dependency system for LÖVE.
--
-- Author: Lorenzo Cogotti
-- Copyright: 2022 The DoubleFourteen Code Forge
-- License: MIT (see LICENSE file for details)
local io = require 'io'
local os = require 'os'
-- Lua version check
local function check_version()
-- Generic Lua version check - 5.2 required
if _VERSION then
local maj, min = _VERSION:match("Lua (%d+)%.(%d+)")
if maj and min then
maj, min = tonumber(maj), tonumber(min)
if maj > 5 or (maj == 5 and min >= 2) then
return true
end
end
end
-- LuaJIT check - 2.0.0 required (technically 2.0.0_beta11)
if jit and jit.version_num and jit.version_num >= 20000 then
return true
end
return false
end
if not check_version() then
error("Unsupported Lua version!\nSorry, crush requires Lua 5.2 or LuaJIT 2.0.0.")
end
-- System specific functions
--
-- Portions of this code are based on work from the LuaRocks project.
@ -16,11 +42,6 @@
-- LuaRocks website: https://luarocks.org
-- LuaRocks sources: https://github.com/luarocks/luarocks
local io = require 'io'
local os = require 'os'
local is_windows = package.config:sub(1,1) == "\\"
local is_directory
@ -30,10 +51,6 @@ local chdir
local mkdir
if is_windows then
-- ---------------
-- NOTE: untested!
-- ---------------
-- local
function is_directory(path)
local fh, _, code = io.open(path, 'r')
@ -184,7 +201,11 @@ local function fetch(dep)
fullcmd = chdir("lib", quiet(cmd))
end
if not os.execute(fullcmd) then
-- On success, os.execute() returns:
-- true on regular Lua
-- 0 on LuaJIT (actual OS error code)
local code = os.execute(fullcmd)
if code ~= true and code ~= 0 then
error(dep.name..": Dependency fetch failed ("..cmd..").")
end
end