make unionfs a more ... optional dependency of netutil

lib/netutil.lua

@@ -1,7 +1,6 @@
 local computer = require "computer"
 local minitel = require "minitel"
 local event = require "event"
-local ufs = require "unionfs"
 local rpc = require "rpc"
 local netutil = {}
 
@@ -16,7 +15,7 @@ end
 
 function netutil.exportfs(path) -- string -- boolean -- Export the directory *path* over RPC.
  local path = "/"..table.concat(fs.segments(path),"/")
- local px = ufs.create(path)
+ local px = require("unionfs").create(path)
  for k,v in pairs(px) do
   rpc.register(path.."_"..k,v)
   print(path.."_"..k)

module/buffer.lua

@@ -261,37 +261,28 @@ function buffer:read(...)
    io.write("\27[s\27[8m")
    local pos, buffer = 1, ""
    local function redraw()
-    io.write("\27[u")
-    io.write(buffer.." ")
-    io.write("\27[u")
-    io.write(buffer:sub(1,(#buffer-pos)+1))
+    io.write(string.format("\27[u%s \27[u\27[%iC",buffer,(#buffer-pos)+1))
    end
    while true do
-    syslog("top of readline loop")
     char = readBytesOrChars(1)
     if char == "\27" then
      if readBytesOrChars(1) == "[" then
-      syslog("escape code")
       local args = {""}
       repeat
        char = readBytesOrChars(1)
-       --[[
        if char:match("%d") then
         args[#args] = args[#args]..char
        else
         args[#args] = tonumber(args[#args])
         args[#args+1] = ""
        end
-       ]]
       until not char:match("[%d;]")
       if char == "C" then -- right
        if pos > 1 then
-        syslog("moving right")
         pos = pos - 1
        end
       elseif char == "D" then -- left
        if pos <= #buffer then
-        syslog("moving left")
         pos = pos + 1
        end
       end
@@ -305,7 +296,6 @@ function buffer:read(...)
      if chop then buffer = buffer .. "\n" end
      return buffer
     else
-     syslog("char: "..tostring(string.byte(char)))
      buffer = buffer:sub(1, (#buffer - pos) + 1) .. char .. buffer:sub((#buffer - pos) + 2)
     end
     redraw()