testing version of LuaBIOS and OpenOS

people were having issues getting them to work so now we promote consistency

data/OpenOS/boot/02_os.lua

@@ -0,0 +1,41 @@
+local computer = require("computer")
+local fs = require("filesystem")
+local info = require("process").info
+local event = require("event")
+
+function os.getenv(varname)
+  local env = info().data.vars
+  if not varname then
+    return env
+  elseif varname == '#' then
+    return #env
+  end
+  return env[varname]
+end
+
+function os.setenv(varname, value)
+  checkArg(1, varname, "string", "number")
+  if value ~= nil then
+    value = tostring(value)
+  end
+  info().data.vars[varname] = value
+  return value
+end
+
+function os.sleep(timeout)
+  checkArg(1, timeout, "number", "nil")
+  local deadline = computer.uptime() + (timeout or 0)
+  repeat
+    event.pull(deadline - computer.uptime())
+  until computer.uptime() >= deadline
+end
+
+os.setenv("PATH", "/bin:/usr/bin:/home/bin:.")
+os.setenv("TMP", "/tmp") -- Deprecated
+os.setenv("TMPDIR", "/tmp")
+
+if computer.tmpAddress() then
+  fs.mount(computer.tmpAddress(), "/tmp")
+end
+
+require("package").delay(os, "/lib/core/full_filesystem.lua")