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util/argparse.lua @ 13462:720aed1f5cf2
util.startup: Check root after detecting platform and reading config (thanks SigmaTel71)
Ensures that startup.detect_platform() runs so know whether to use the
POSIX method of checking the current user or something else. Also after
reading the config so we know whether the root override setting is set.
author | Kim Alvefur <zash@zash.se> |
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date | Sun, 24 Mar 2024 20:39:42 +0100 (13 months ago) |
parent | 13160:4ee9a912ceea |
child | 13731:d78e0f422464 |
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local function parse(arg, config) local short_params = config and config.short_params or {}; local value_params = config and config.value_params or {}; local array_params = config and config.array_params or {}; local parsed_opts = {}; if #arg == 0 then return parsed_opts; end while true do local raw_param = arg[1]; if not raw_param then break; end local prefix = raw_param:match("^%-%-?"); if not prefix then break; elseif prefix == "--" and raw_param == "--" then table.remove(arg, 1); break; end local param = table.remove(arg, 1):sub(#prefix+1); if #param == 1 and short_params then param = short_params[param]; end if not param then return nil, "param-not-found", raw_param; end local param_k, param_v; if value_params[param] or array_params[param] then param_k, param_v = param, table.remove(arg, 1); if not param_v then return nil, "missing-value", raw_param; end else param_k, param_v = param:match("^([^=]+)=(.+)$"); if not param_k then if param:match("^no%-") then param_k, param_v = param:sub(4), false; else param_k, param_v = param, true; end end param_k = param_k:gsub("%-", "_"); end if array_params[param] then if parsed_opts[param_k] then table.insert(parsed_opts[param_k], param_v); else parsed_opts[param_k] = { param_v }; end else parsed_opts[param_k] = param_v; end end for i = 1, #arg do parsed_opts[i] = arg[i]; end return parsed_opts; end return { parse = parse; }