local fs = require "luacheck.fs"
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local utils = require "luacheck.utils"
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local blacklist = utils.array_to_set({"spec", ".luarocks", "lua_modules", "test.lua", "tests.lua"})
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-- This reimplements relevant parts of `luarocks.build.builtin.autodetect_modules`.
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-- Autodetection works relatively to the directory containing the rockspec.
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local function autodetect_modules(rockspec_path)
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rockspec_path = fs.normalize(rockspec_path)
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local base, rest = fs.split_base(rockspec_path)
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local project_dir = base .. (rest:match("^(.*)" .. utils.dir_sep .. ".*$") or "")
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if project_dir == "" then
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project_dir = "."
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end
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local module_dir = project_dir
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for _, module_subdir in ipairs({"src", "lua", "lib"}) do
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local full_module_dir = fs.join(project_dir, module_subdir)
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if fs.is_dir(full_module_dir) then
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module_dir = full_module_dir
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break
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end
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end
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local res = {}
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for _, file in ipairs((fs.extract_files(module_dir, "%.lua$"))) do
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-- Extract first part of the path from module_dir to the file, or file name itself.
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if not blacklist[file:match("^" .. module_dir:gsub("%p", "%%%0") .. "[\\/]*([^\\/]*)")] then
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table.insert(res, file)
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end
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end
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local bin_dir
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for _, bin_subdir in ipairs({"src/bin", "bin"}) do
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local full_bin_dir = fs.join(project_dir, bin_subdir)
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if fs.is_dir(full_bin_dir) then
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bin_dir = full_bin_dir
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end
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end
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if bin_dir then
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local iter, state, var = fs.dir_iter(bin_dir)
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if iter then
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for basename in iter, state, var do
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if basename:sub(-#".lua") == ".lua" then
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table.insert(res, fs.join(bin_dir, basename))
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end
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end
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end
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end
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return res
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end
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local function extract_lua_files(rockspec_path, rockspec)
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local build = rockspec.build
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if type(build) ~= "table" then
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return autodetect_modules(rockspec_path)
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end
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if not build.type or build.type == "builtin" or build.type == "module" then
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if not build.modules then
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return autodetect_modules(rockspec_path)
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end
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end
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local res = {}
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local function scan(t)
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if type(t) == "table" then
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for _, file in pairs(t) do
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if type(file) == "string" and file:sub(-#".lua") == ".lua" then
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table.insert(res, file)
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end
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end
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end
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end
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scan(build.modules)
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if type(build.install) == "table" then
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scan(build.install.lua)
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scan(build.install.bin)
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end
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table.sort(res)
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return res
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end
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-- Receives a name of a rockspec, returns list of related .lua files.
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-- On error returns nil and "I/O", "syntax", or "runtime" and error message.
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local function expand_rockspec(rockspec_path)
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local rockspec, err_type, err_msg = utils.load_config(rockspec_path)
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if not rockspec then
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return nil, err_type, err_msg
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end
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return extract_lua_files(rockspec_path, rockspec)
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end
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return expand_rockspec
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