lush no longer forks or calls login, has a configurable prompt

exec/lush.lua

@@ -1,20 +1,20 @@
 local tA = {...}
-local si = tA[1]
-spawn("lua shell", function() print(pcall(function()
- os.setenv("sI",si)
- _ENV = shutil.genenv()
- coroutine.yield()
- log(pcall(login))
- print("lush v1/".._VERSION)
- while true do
-  local didexec = false
-  write((os.getenv("PWD") or "").."> ")
-  local inp=readln()
-  if not inp then break end
-  local rt = {shutil.exec(inp)}
-  if rt[1] == true then
-   table.remove(rt,1)
-  end
-  print(table.unpack(rt))
+local si = tA[1] or os.getenv("sI")
+os.setenv("sI",si)
+_ENV = shutil.genenv()
+print("lush v1/".._VERSION)
+os.setenv("PSF",function()
+ local ps = "["..os.getuid().."@"..net.id.." "..(os.getenv("PWD") or "").."]"
+ if os.getuid() == "superuser" then ps = ps .. "# " else ps = ps .. "$ " end
+ return ps end)
+while true do
+ local didexec = false
+ write(os.getenv("PSF")())
+ local inp=readln()
+ if not inp then break end
+ local rt = {shutil.exec(inp)}
+ if rt[1] == true then
+  table.remove(rt,1)
  end
-end)) end)
+ print(table.unpack(rt))
+end