more limited output

Signed-off-by: Jeff Carr <jcarr@wit.com>

connect-to-wifi/main.go

@@ -4,6 +4,7 @@ package main
 import "log"
 import "time"
 import "fmt"
+import "os"
 /*
 import "reflect"
 */
@@ -22,9 +23,13 @@ func dhclient() {
 	shell.Run("dhclient wlan0")
 
 	for {
-		fmt.Print(" should check progress here")
-		time.Sleep(20000 * time.Millisecond)
-		return
+		fmt.Println(" running")
+		time.Sleep(2000 * time.Millisecond)
+		filename := "/tmp/wit-install-done"
+		if _, err := os.Stat(filename); !os.IsNotExist(err) {
+			log.Println("filename", filename, "does exist")
+			return
+		}
 	}
 }