hostname actually set

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

bash.go

@@ -0,0 +1,58 @@
+package main
+
+import (
+        "io"
+        "os"
+        "os/exec"
+        "os/signal"
+        "syscall"
+
+        "github.com/creack/pty"
+        "golang.org/x/term"
+)
+
+func test() error {
+        // Create arbitrary command.
+        c := exec.Command("bash")
+
+        // Start the command with a pty.
+        ptmx, err := pty.Start(c)
+        if err != nil {
+                return err
+        }
+        // Make sure to close the pty at the end.
+        defer func() { _ = ptmx.Close() }() // Best effort.
+
+        // Handle pty size.
+        ch := make(chan os.Signal, 1)
+        signal.Notify(ch, syscall.SIGWINCH)
+        go func() {
+                for range ch {
+                        if err := pty.InheritSize(os.Stdin, ptmx); err != nil {
+                                log("error resizing pty: %s", err)
+                        }
+                }
+        }()
+        ch <- syscall.SIGWINCH // Initial resize.
+        defer func() { signal.Stop(ch); close(ch) }() // Cleanup signals when done.
+
+        // Set stdin in raw mode.
+        oldState, err := term.MakeRaw(int(os.Stdin.Fd()))
+        if err != nil {
+                panic(err)
+        }
+        defer func() { _ = term.Restore(int(os.Stdin.Fd()), oldState) }() // Best effort.
+
+        // Copy stdin to the pty and the pty to stdout.
+        // NOTE: The goroutine will keep reading until the next keystroke before returning.
+        go func() { _, _ = io.Copy(ptmx, os.Stdin) }()
+        _, _ = io.Copy(os.Stdout, ptmx)
+
+        return nil
+}
+
+func mainBash() {
+        if err := test(); err != nil {
+                exit(err)
+        }
+}

hostname.go

@@ -18,13 +18,19 @@ import "git.wit.org/jcarr/dnssecsocket"
 
 func getHostname() {
 	var err error
-	me.fqdn, err = fqdn.FqdnHostname()
+	var s string = "gui.Label == nil"
+	s, err = fqdn.FqdnHostname()
 	if (err != nil) {
 		log("FQDN hostname error =", err)
 		exit()
 		return
 	}
-	log("FQDN hostname is", me.fqdn)
+	if (me.fqdn != nil) {
+		// s =  me.fqdn.GetText()
+		output("trying to update gui.Label", true)
+		me.fqdn.SetText(s)
+	}
+	output("FQDN = jcarr" + s + "\n", true)
 }
 
 func dnsAAAA(s string) []string {