#!/usr/bin/env lua
-- traceback to errors.err for vim -q
-- e.g. curl https://prosody.im/paste/xxx | tb2err > errors.err && vim -q

local path_sep = package.config:sub(1,1);
for line in io.lines() do
	local src, err = line:match("%s*(%S+)(:%d+: .*)")
	if src then
		src = src:gsub("\\", path_sep);
		local cut = src:match("/()core/")
			or src:match("/()net/")
			or src:match("/()util/")
			or src:match("/()modules/")
			or src:match("/()plugins/")
			or src:match("/()prosody[ctl]*$") 
		if cut then
			src = src:sub(cut);
		end
		src = src:gsub("^modules/", "plugins/")
		io.write(src, err, "\n");
	end
end