made sha a require-style lib

configs/everything.cfg

@@ -15,7 +15,7 @@ modules/net/copper.lua
 modules/util/motd.lua
 modules/lib/readline.lua
 modules/lib/shutil.lua
-modules/lib/sha256.lua
+libwrap sha modules/lib/sha256.lua
 modules/lib/userlib.lua
 modules/net/net-ext.lua
 modules/applications/login.lua

exec/luash.lua

@@ -1,6 +1,7 @@
 local tA = {...}
 local si =
 spawn("lua shell",function()
+ _ENV = shutil.genenv()
  coroutine.yield()
  log(login())
  print("\f"..MOTD)
@@ -38,7 +39,7 @@ spawn("lua shell",function()
    if inp:sub(1,1) == "=" then
     inp="return "..inp:sub(2)
    end
-   local r={pcall(load(inp))}
+   local r={pcall(load(inp,_ENV))}
    if r[1] == true then
     table.remove(r,1)
    end