theme: 🔨 not deserialize no color and no lscolors from config

Signed-off-by: zwPapEr <zw.paper@gmail.com>

src/display.rs

@@ -462,7 +462,12 @@ mod tests {
                 .to_string();
 
             // check if the color is present.
-            assert_eq!(true, output.starts_with("\u{1b}[38;5;"), "start with color");
+            assert_eq!(
+                true,
+                output.starts_with("\u{1b}[38;5;"),
+                "{:?} should start with color",
+                output,
+            );
             assert_eq!(true, output.ends_with("[39m"), "reset foreground color");
 
             assert_eq!(get_visible_width(&output), *l, "visible match");

src/flags/color.rs

@@ -38,6 +38,7 @@ impl Color {
 pub enum ThemeOption {
     NoColor,
     Default,
+    #[allow(dead_code)]
     NoLscolors,
     Custom(String),
 }
@@ -76,7 +77,7 @@ impl<'de> de::Deserialize<'de> for ThemeOption {
             type Value = ThemeOption;
 
             fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                formatter.write_str("`no-color`, `default`, `no-lscolors` or <theme-file-path>")
+                formatter.write_str("`default` or <theme-file-path>")
             }
 
             fn visit_str<E>(self, value: &str) -> Result<ThemeOption, E>
@@ -84,9 +85,7 @@ impl<'de> de::Deserialize<'de> for ThemeOption {
                 E: de::Error,
             {
                 match value {
-                    "no-color" => Ok(ThemeOption::NoColor),
                     "default" => Ok(ThemeOption::Default),
-                    "no-lscolors" => Ok(ThemeOption::NoLscolors),
                     str => Ok(ThemeOption::Custom(str.to_string())),
                 }
             }