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local pairs = pairs

--- Proxy module for filesystem and platform abstractions.

-- All code using "fs" code should require "luarocks.fs",

-- and not the various platform-specific implementations.

-- However, see the documentation of the implementation

-- for the API reference.

module("luarocks.fs", package.seeall)

local cfg = require("luarocks.cfg")

local function load_fns(fs_table)

for name, fn in pairs(fs_table) do

if not _M[name] then

_M[name] = fn

end

end

end

-- Load platform-specific functions

local loaded_platform = nil

for _, platform in ipairs(cfg.platforms) do

local ok, fs_plat = pcall(require, "luarocks.fs."..platform)

if ok and fs_plat then

loaded_platform = platform

load_fns(fs_plat)

break

end

end

-- Load platform-independent pure-Lua functionality

local fs_lua = require("luarocks.fs.lua")

load_fns(fs_lua)

-- Load platform-specific fallbacks for missing Lua modules

local ok, fs_plat_tools = pcall(require, "luarocks.fs."..loaded_platform..".tools")

if ok and fs_plat_tools then load_fns(fs_plat_tools) end