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