Make highlighting optional

Signed-off-by: Matthias Beyer <mail@beyermatthias.de>

2 files changed, 15 insertions, 18 deletions

diff --git a/src/config/not_validated.rs b/src/config/not_validated.rs
index 456cc2a..87bb816 100644
--- a/src/config/not_validated.rs
+++ b/src/config/not_validated.rs
@@ -24,9 +24,8 @@ pub struct NotValidatedConfiguration {
     #[getset(get = "pub")]
     package_print_format: String,
 
-    #[serde(default = "default_script_highlight_theme")]
     #[getset(get = "pub")]
-    script_highlight_theme: String,
+    script_highlight_theme: Option<String>,
 
     #[serde(rename = "releases")]
     releases_directory: String,
@@ -71,18 +70,20 @@ pub struct NotValidatedConfiguration {
 impl<'reg> NotValidatedConfiguration {
     pub fn validate(self) -> Result<Configuration<'reg>> {
         // TODO: Implement proper validation
-        let allowed_theme_present = [
-            "base16-ocean.dark",
-            "base16-eighties.dark",
-            "base16-mocha.dark",
-            "base16-ocean.light",
-            "InspiredGitHub",
-            "Solarized (dark)",
-            "Solarized (light)",
-        ].into_iter().any(|allowed_theme| self.script_highlight_theme == *allowed_theme);
-
-        if !allowed_theme_present {
-            return Err(anyhow!("Theme not known: {}", self.script_highlight_theme))
+        if let Some(configured_theme) = self.script_highlight_theme.as_ref() {
+            let allowed_theme_present = [
+                "base16-ocean.dark",
+                "base16-eighties.dark",
+                "base16-mocha.dark",
+                "base16-ocean.light",
+                "InspiredGitHub",
+                "Solarized (dark)",
+                "Solarized (light)",
+            ].into_iter().any(|allowed_theme| configured_theme == *allowed_theme);
+
+            if !allowed_theme_present {
+                return Err(anyhow!("Theme not known: {}", configured_theme))
+            }
         }
 
         let hb = {
diff --git a/src/config/util.rs b/src/config/util.rs
index 38939f0..17aeadf 100644
--- a/src/config/util.rs
+++ b/src/config/util.rs
@@ -15,7 +15,3 @@ pub fn default_package_print_format() -> String {
     "#))
 }
 
-pub fn default_script_highlight_theme() -> String {
-    String::from("base16-ocean.dark")
-}
-