Fix broken git hook and the formatting it missed

And tidy up logic for exit adding docs

cmd/fyneterm/main.go

@@ -54,10 +54,10 @@ func main() {
 	setupListener(t, w)
 	w.SetContent(fyne.NewContainerWithLayout(layout.NewMaxLayout(), bg, img, t))
 	w.Canvas().AddShortcut(&desktop.CustomShortcut{
-		KeyName: fyne.KeyD,
+		KeyName:  fyne.KeyD,
 		Modifier: desktop.ControlModifier,
-	}, func (_ fyne.Shortcut) {
-		t.Close()
+	}, func(_ fyne.Shortcut) {
+		t.Exit()
 	})
 
 	cellSize := guessCellSize()

output.go

@@ -104,7 +104,7 @@ func (t *Terminal) handleOutput(buf []byte) {
 			if r == '\t' { // TODO handle tab
 				r = ' '
 			}
-	
+
 			cellStyle := &widget.CustomTextGridStyle{FGColor: currentFG, BGColor: currentBG}
 
 			for len(t.content.Rows[t.cursorRow].Cells)-1 < t.cursorCol {
@@ -123,7 +123,7 @@ func (t *Terminal) handleOutput(buf []byte) {
 
 	// record progress for next chunk of buffer
 	if state.esc != noEscape {
-		state.esc = -1-(len(state.code))
+		state.esc = -1 - (len(state.code))
 		previous = state
 	}
 }

term.go

@@ -107,8 +107,14 @@ func (t *Terminal) open() error {
 	return nil
 }
 
-func (t *Terminal) Close() {
-	t.pty.Write([]byte("exit\n"))
+// Exit requests that this terminal exits.
+// If there are embedded shells it will exit the child one only.
+func (t *Terminal) Exit() {
+	_, _ = t.pty.Write([]byte("exit\n"))
+}
+
+func (t *Terminal) close() error {
+	return t.pty.Close()
 }
 
 // don't call often - should we cache?
@@ -151,7 +157,7 @@ func (t *Terminal) Run() error {
 
 	t.run()
 
-	return t.pty.Close()
+	return t.close()
 }
 
 // NewTerminal sets up a new terminal instance with the bash shell