Do not start the initial reader if 'reload*' is bound to 'start'

src/constants.go

@@ -58,6 +58,7 @@ const (
 const (
 	EvtReadNew util.EventType = iota
 	EvtReadFin
+	EvtReadNone
 	EvtSearchNew
 	EvtSearchProgress
 	EvtSearchFin

src/core.go

@@ -147,13 +147,20 @@ func Run(opts *Options) (int, error) {
 	executor := util.NewExecutor(opts.WithShell)
 
 	// Reader
+	reloadOnStart := opts.reloadOnStart()
 	streamingFilter := opts.Filter != nil && !sort && !opts.Tac && !opts.Sync
 	var reader *Reader
 	if !streamingFilter {
 		reader = NewReader(func(data []byte) bool {
 			return chunkList.Push(data)
 		}, eventBox, executor, opts.ReadZero, opts.Filter == nil)
-		go reader.ReadSource(opts.Input, opts.WalkerRoot, opts.WalkerOpts, opts.WalkerSkip)
+
+		if reloadOnStart {
+			// reload or reload-sync action is bound to 'start' event, no need to start the reader
+			eventBox.Set(EvtReadNone, nil)
+		} else {
+			go reader.ReadSource(opts.Input, opts.WalkerRoot, opts.WalkerOpts, opts.WalkerSkip)
+		}
 	}
 
 	// Matcher
@@ -227,7 +234,8 @@ func Run(opts *Options) (int, error) {
 	}
 
 	// Synchronous search
-	if opts.Sync {
+	sync := opts.Sync && !reloadOnStart
+	if sync {
 		eventBox.Unwatch(EvtReadNew)
 		eventBox.WaitFor(EvtReadFin)
 	}
@@ -247,7 +255,7 @@ func Run(opts *Options) (int, error) {
 	if heightUnknown {
 		maxFit, padHeight = terminal.MaxFitAndPad()
 	}
-	deferred := opts.Select1 || opts.Exit0 || opts.Sync
+	deferred := opts.Select1 || opts.Exit0 || sync
 	go terminal.Loop()
 	if !deferred && !heightUnknown {
 		// Start right away
@@ -314,6 +322,9 @@ func Run(opts *Options) (int, error) {
 					err = quitSignal.err
 					stop = true
 					return
+				case EvtReadNone:
+					reading = false
+					terminal.UpdateCount(0, false, nil)
 				case EvtReadNew, EvtReadFin:
 					if evt == EvtReadFin && nextCommand != nil {
 						restart(*nextCommand, nextEnviron)

src/options.go

@@ -2945,3 +2945,18 @@ func ParseOptions(useDefaults bool, args []string) (*Options, error) {
 
 	return opts, nil
 }
+
+func (opts *Options) reloadOnStart() bool {
+	// Not compatible with --filter
+	if opts.Filter != nil {
+		return false
+	}
+	if actions, prs := opts.Keymap[tui.Start.AsEvent()]; prs {
+		for _, action := range actions {
+			if action.t == actReload || action.t == actReloadSync {
+				return true
+			}
+		}
+	}
+	return false
+}