Use new `default_theme` fn for --list-themes

src/bin/bat/main.rs

@@ -30,13 +30,12 @@ use directories::PROJECT_DIRS;
 use globset::GlobMatcher;
 
 use bat::{
-    assets::HighlightingAssets,
     config::Config,
     controller::Controller,
     error::*,
     input::Input,
     style::{StyleComponent, StyleComponents},
-    MappingTarget, PagingMode,
+    theme, MappingTarget, PagingMode,
 };
 
 const THEME_PREVIEW_DATA: &[u8] = include_bytes!("../../../assets/theme_preview.rs");
@@ -201,10 +200,15 @@ pub fn list_themes(cfg: &Config, config_dir: &Path, cache_dir: &Path) -> Result<
     let mut stdout = stdout.lock();
 
     if config.colored_output {
-        let default_theme = HighlightingAssets::default_theme();
+        use theme::{color_scheme, default_theme, ColorScheme, DetectColorScheme};
+        let default_theme = default_theme(color_scheme(DetectColorScheme::Auto));
         for theme in assets.themes() {
             let default_theme_info = if default_theme == theme {
                 " (default)"
+            } else if theme::default_theme(ColorScheme::Dark) == theme {
+                " (default dark)"
+            } else if theme::default_theme(ColorScheme::Light) == theme {
+                " (default light)"
             } else {
                 ""
             };

src/theme.rs

@@ -19,6 +19,11 @@ pub const fn default_theme(color_scheme: ColorScheme) -> &'static str {
     }
 }
 
+/// Detects the color scheme from the terminal.
+pub fn color_scheme(when: DetectColorScheme) -> ColorScheme {
+    detect(when, &TerminalColorSchemeDetector).unwrap_or_default()
+}
+
 /// Options for configuring the theme used for syntax highlighting.
 /// Used together with [`theme`].
 #[derive(Debug, Default, PartialEq, Eq)]