Merge eb36513bce522b08c20790bee3d43ca8791114cd into 23fd20048272922c87ea4759f5b7a52ceb8e6d1a

CHANGELOG.md

@@ -42,6 +42,7 @@
 - Update the Lisp syntax, see #2970 (@ccqpein)
 - Use bat's ANSI iterator during tab expansion, see #2998 (@eth-p)
 - Support 'statically linked binary' for aarch64 in 'Release' page, see #2992 (@tzq0301)
+- `--theme` now provides a short list of all themes if the given theme does not exist, see #3009 (@monkeydom)
 
 ## Syntaxes
 

src/assets.rs

@@ -245,7 +245,12 @@ impl HighlightingAssets {
                     return self.get_theme("ansi");
                 }
                 if !theme.is_empty() {
-                    bat_warning!("Unknown theme '{}', using default.", theme)
+                    let all_themes: Vec<&str> = self.get_theme_set().themes().collect();
+                    bat_warning!(
+                        "Unknown theme '{}', using default. (Available themes: {})",
+                        theme,
+                        all_themes.join(", ")
+                    );
                 }
                 self.get_theme_set()
                     .get(self.fallback_theme.unwrap_or_else(Self::default_theme))