luametalatex/luametalatex.lua

30 lines
1.1 KiB
Lua

local format = os.selfname -- or os.selfcore, I couldn't find a difference yet
local ourname = arg[0] -- This might not be os.selfarg[0]
-- We want to drop arg[0] aka. ourname from the arguments to avoid recursion
if os.selfarg[0] == ourname then
ourname = nil
end
for i, a in ipairs(os.selfarg) do
if a == ourname then -- Avoid recursion
table.remove(os.selfarg, i)
ourname = nil
a = os.selfarg[i]
end
if a == "--" then break end -- This convention is not respected by luametatex itself
-- LuaMetaTeX needs -- to introduce parameters,
-- but fmtutil uses just -. Let's rewrite this on the fly:
a = a:gsub("^%-%-?", "--")
os.selfarg[i] = a
if a:sub(1, 11) == "--progname=" then
format = a:sub(12)
end
end
os.setenv("engine", status.luatex_engine)
local kpse_call = io.popen(string.format("kpsewhich -progname %s -format lua -must-exist %s-init.lua", format, format))
local file = kpse_call:read()
if not kpse_call:close() then
error(file)
end
local args = os.selfarg[1] and " \"" .. table.concat(os.selfarg, "\" \"") .. "\"" or ""
os.exit(os.execute(string.format("luametatex \"--lua=%s\" --arg0=\"%s\"%s", file, os.selfarg[0], args)))