fix(tui): show error on empty readme and empty tree

internal/tui/bubbles/git/about/bubble.go

@@ -88,7 +88,11 @@ func (b *Bubble) Help() []types.HelpEntry {
 
 func (b *Bubble) glamourize() (string, error) {
 	w := b.width - b.widthMargin - b.styles.RepoBody.GetHorizontalFrameSize()
-	return types.Glamourize(w, b.repo.GetReadme())
+	rm := b.repo.GetReadme()
+	if rm == "" {
+		return b.styles.AboutNoReadme.Render("No readme found."), nil
+	}
+	return types.Glamourize(w, rm)
 }
 
 func (b *Bubble) setupCmd() tea.Msg {

internal/tui/bubbles/git/tree/bubble.go

@@ -142,6 +142,7 @@ func NewBubble(repo types.Repo, styles *style.Styles, width, widthMargin, height
 	l.DisableQuitKeybindings()
 	l.KeyMap.NextPage = types.NextPage
 	l.KeyMap.PrevPage = types.PrevPage
+	l.Styles.NoItems = styles.TreeNoItems
 	b := &Bubble{
 		fileViewport: &vp.ViewportBubble{
 			Viewport: &viewport.Model{},

internal/tui/style/style.go

@@ -40,6 +40,8 @@ type Styles struct {
 	ErrorTitle lipgloss.Style
 	ErrorBody  lipgloss.Style
 
+	AboutNoReadme lipgloss.Style
+
 	LogItemSelector   lipgloss.Style
 	LogItemActive     lipgloss.Style
 	LogItemInactive   lipgloss.Style
@@ -67,6 +69,8 @@ type Styles struct {
 	TreeFileMode     lipgloss.Style
 	TreeFileSize     lipgloss.Style
 	TreeFileContent  lipgloss.Style
+	TreePaginator    lipgloss.Style
+	TreeNoItems      lipgloss.Style
 
 	Spinner lipgloss.Style
 }
@@ -193,6 +197,10 @@ func DefaultStyles() *Styles {
 		MarginLeft(2).
 		Width(52) // for now
 
+	s.AboutNoReadme = lipgloss.NewStyle().
+		MarginLeft(1).
+		Foreground(lipgloss.Color("#626262"))
+
 	s.LogItemInactive = lipgloss.NewStyle().
 		MarginLeft(1)
 
@@ -262,6 +270,10 @@ func DefaultStyles() *Styles {
 
 	s.TreeFileContent = lipgloss.NewStyle()
 
+	s.TreePaginator = s.LogPaginator.Copy()
+
+	s.TreeNoItems = s.AboutNoReadme.Copy()
+
 	s.Spinner = lipgloss.NewStyle().
 		MarginLeft(1).
 		Foreground(lipgloss.Color("205"))