--[[ File l3build-help.lua Copyright (C) 2018,2020 The LaTeX3 Project It may be distributed and/or modified under the conditions of the LaTeX Project Public License (LPPL), either version 1.3c of this license or (at your option) any later version. The latest version of this license is in the file http://www.latex-project.org/lppl.txt This file is part of the "l3build bundle" (The Work in LPPL) and all files in that bundle must be distributed together. ----------------------------------------------------------------------- The development version of the bundle can be found at https://github.com/latex3/l3build for those people who are interested. --]] local insert = table.insert local match = string.match local rep = string.rep local sort = table.sort function version() print( "\n" .. "l3build: A testing and building system for LaTeX\n\n" .. "Release " .. release_date .. "\n" .. "Copyright (C) 2014-2020 The LaTeX3 Project" ) end function help() local function setup_list(list) local longest = 0 for k,v in pairs(list) do if k:len() > longest then longest = k:len() end end -- Sort the options local t = { } for k,_ in pairs(list) do insert(t, k) end sort(t) return longest,t end local scriptname = "l3build" if not (match(arg[0], "l3build%.lua$") or match(arg[0],"l3build$")) then scriptname = arg[0] end print("usage: " .. scriptname .. " [] []") print("") print("Valid targets are:") local longest,t = setup_list(target_list) for _,k in ipairs(t) do local target = target_list[k] local filler = rep(" ", longest - k:len() + 1) if target["desc"] then print(" " .. k .. filler .. target["desc"]) end end print("") print("Valid options are:") local longest,t = setup_list(option_list) for _,k in ipairs(t) do local opt = option_list[k] local filler = rep(" ", longest - k:len() + 1) if opt["desc"] then if opt["short"] then print(" --" .. k .. "|-" .. opt["short"] .. filler .. opt["desc"]) else print(" --" .. k .. " " .. filler .. opt["desc"]) end end end print("") print("Full manual available via 'texdoc l3build'.") print("") print("Repository : https://github.com/latex3/l3build") print("Bug tracker : https://github.com/latex3/l3build/issues") print("Copyright (C) 2014-2020 The LaTeX3 Project") end