WIP Read all lines from task when jumping to bottom

Author: stefanhaller

pkg/gui/controllers/view_selection_controller.go

@@ -100,6 +100,11 @@ func (self *ViewSelectionController) handleGotoTop() error {
 }
 
 func (self *ViewSelectionController) handleGotoBottom() error {
+	if manager, ok := (*self.viewBufferManagerMap)[self.context.GetViewName()]; ok {
+		manager.ReadToEnd()
+		// TODO: how can we block here until reading is done?
+	}
+
 	v := self.Context().GetView()
 	self.handleLineChange(v.ViewLinesHeight())
 	return nil

pkg/tasks/tasks.go

@@ -103,6 +103,12 @@ func (self *ViewBufferManager) ReadLines(n int) {
 	})
 }
 
+func (self *ViewBufferManager) ReadToEnd() {
+	go utils.Safe(func() {
+		self.readLines <- LinesToRead{Total: -1, InitialRefreshAfter: -1}
+	})
+}
+
 func (self *ViewBufferManager) NewCmdTask(start func() (*exec.Cmd, io.Reader), prefix string, linesToRead LinesToRead, onDoneFn func()) func(TaskOpts) error {
 	return func(opts TaskOpts) error {
 		var onDoneOnce sync.Once
@@ -233,7 +239,7 @@ func (self *ViewBufferManager) NewCmdTask(start func() (*exec.Cmd, io.Reader), p
 				case <-opts.Stop:
 					break outer
 				case linesToRead := <-self.readLines:
-					for i := 0; i < linesToRead.Total; i++ {
+					for i := 0; linesToRead.Total == -1 || i < linesToRead.Total; i++ {
 						var ok bool
 						var line []byte
 						select {