Fix new Clippy errors

Introduced in Clippy v0.1.89 / Rust v1.89.0.

src/database/mod.rs

@@ -248,23 +248,22 @@ impl Database {
     ) -> Result<Option<PluginMetadata>, MetadataRetrievalError> {
         let mut metadata = self.masterlist.find_plugin(plugin_name)?;
 
-        if include_user_metadata == MergeMode::WithUserMetadata {
-            if let Some(mut user_metadata) = self.userlist.find_plugin(plugin_name)? {
-                if let Some(metadata) = metadata {
-                    user_metadata.merge_metadata(&metadata);
-                }
-                metadata = Some(user_metadata);
-            }
-        }
-
-        if evaluate_conditions == EvalMode::Evaluate {
+        if include_user_metadata == MergeMode::WithUserMetadata
+            && let Some(mut user_metadata) = self.userlist.find_plugin(plugin_name)?
+        {
             if let Some(metadata) = metadata {
-                return evaluate_all_conditions(metadata, &self.condition_evaluator_state)
-                    .map_err(Into::into);
+                user_metadata.merge_metadata(&metadata);
             }
+            metadata = Some(user_metadata);
         }
 
-        Ok(metadata)
+        if evaluate_conditions == EvalMode::Evaluate
+            && let Some(metadata) = metadata
+        {
+            evaluate_all_conditions(metadata, &self.condition_evaluator_state).map_err(Into::into)
+        } else {
+            Ok(metadata)
+        }
     }
 
     /// Get a plugin's metadata loaded from the given userlist.
@@ -278,14 +277,13 @@ impl Database {
     ) -> Result<Option<PluginMetadata>, MetadataRetrievalError> {
         let metadata = self.userlist.find_plugin(plugin_name)?;
 
-        if evaluate_conditions == EvalMode::Evaluate {
-            if let Some(metadata) = metadata {
-                return evaluate_all_conditions(metadata, &self.condition_evaluator_state)
-                    .map_err(Into::into);
-            }
+        if evaluate_conditions == EvalMode::Evaluate
+            && let Some(metadata) = metadata
+        {
+            evaluate_all_conditions(metadata, &self.condition_evaluator_state).map_err(Into::into)
+        } else {
+            Ok(metadata)
         }
-
-        Ok(metadata)
     }
 
     /// Sets a plugin's user metadata, replacing any loaded user metadata for

src/error.rs

@@ -11,7 +11,7 @@ use crate::sorting::error::{
 };
 use crate::{Vertex, escape_ascii};
 
-/// Represents an error that occurred while trying to create a [`Game`].
+/// Represents an error that occurred while trying to create a [`Game`](crate::Game).
 #[derive(Debug)]
 #[non_exhaustive]
 pub enum GameHandleCreationError {

src/lib.rs

@@ -46,6 +46,6 @@ fn case_insensitive_regex(value: &str) -> Result<Regex, Box<RegexImplError>> {
     Regex::with_flags(value, "iu").map_err(Into::into)
 }
 
-fn escape_ascii(path: &Path) -> EscapeAscii {
+fn escape_ascii(path: &Path) -> EscapeAscii<'_> {
     path.as_os_str().as_encoded_bytes().escape_ascii()
 }

src/metadata/message.rs

@@ -129,12 +129,11 @@ pub fn select_message_content<'a>(
             } else if matched.is_none() {
                 if language_code.is_some_and(|c| c == mc.language.as_ref()) {
                     matched = Some(mc);
-                } else if language_code.is_none() {
-                    if let Some((content_language_code, _)) = mc.language.split_once('_') {
-                        if content_language_code == language {
-                            matched = Some(mc);
-                        }
-                    }
+                } else if language_code.is_none()
+                    && let Some((content_language_code, _)) = mc.language.split_once('_')
+                    && content_language_code == language
+                {
+                    matched = Some(mc);
                 }
 
                 if mc.language.as_ref() == MessageContent::DEFAULT_LANGUAGE {
@@ -375,16 +374,16 @@ fn format(text: &str, subs: &[&str]) -> Result<Box<str>, MetadataParsingErrorRea
         new_text.push('{');
     }
 
-    if let Some(sub_index) = unused_sub_indexes.first() {
-        if let Some(sub) = subs.get(*sub_index) {
-            return Err(MetadataParsingErrorReason::MissingPlaceholder(
-                (*sub).to_owned(),
-                *sub_index,
-            ));
-        }
+    if let Some(sub_index) = unused_sub_indexes.first()
+        && let Some(sub) = subs.get(*sub_index)
+    {
+        Err(MetadataParsingErrorReason::MissingPlaceholder(
+            (*sub).to_owned(),
+            *sub_index,
+        ))
+    } else {
+        Ok(new_text.into_boxed_str())
     }
-
-    Ok(new_text.into_boxed_str())
 }
 
 impl EmitYaml for MessageContent {

src/metadata/metadata_document.rs

@@ -358,21 +358,21 @@ fn split_on_prelude(masterlist: &str) -> Option<(&str, &str)> {
             continue;
         }
 
-        if let Some((_, next_byte)) = iter.peek() {
-            if !matches!(next_byte, b' ' | b'#' | b'\n' | b'\r') {
-                // LIMITATION: Slicing at index should never fail, but the
-                // compiler can't see that. A variation of str.find() that
-                // could take a closure that matches on substrings would
-                // eliminate the need for this.
-                if let Some(suffix) = remainder.get(index..) {
-                    return Some((prefix, suffix));
-                }
-
-                logging::error!(
-                    "Unexpectedly failed to slice the masterlist on a new line at index {}",
-                    prefix.len() + index
-                );
+        if let Some((_, next_byte)) = iter.peek()
+            && !matches!(next_byte, b' ' | b'#' | b'\n' | b'\r')
+        {
+            // LIMITATION: Slicing at index should never fail, but the
+            // compiler can't see that. A variation of str.find() that
+            // could take a closure that matches on substrings would
+            // eliminate the need for this.
+            if let Some(suffix) = remainder.get(index..) {
+                return Some((prefix, suffix));
             }
+
+            logging::error!(
+                "Unexpectedly failed to slice the masterlist on a new line at index {}",
+                prefix.len() + index
+            );
         }
     }
 

src/metadata/mod.rs

@@ -27,7 +27,7 @@ fn emit<T: yaml::EmitYaml>(metadata: &T) -> String {
 }
 
 #[cfg(test)]
-fn parse(yaml: &str) -> saphyr::MarkedYaml {
+fn parse(yaml: &str) -> saphyr::MarkedYaml<'_> {
     use saphyr::LoadableYamlNode;
 
     saphyr::MarkedYaml::load_from_str(yaml)

src/plugin/mod.rs

@@ -391,12 +391,13 @@ fn calculate_crc(path: &Path) -> std::io::Result<u32> {
 }
 
 fn extract_bash_tags(description: &str) -> Vec<String> {
-    if let Some((_, bash_tags)) = description.split_once("{{BASH:") {
-        if let Some((bash_tags, _)) = bash_tags.split_once("}}") {
-            return bash_tags.split(',').map(|s| s.trim().to_owned()).collect();
-        }
+    if let Some((_, bash_tags)) = description.split_once("{{BASH:")
+        && let Some((bash_tags, _)) = bash_tags.split_once("}}")
+    {
+        bash_tags.split(',').map(|s| s.trim().to_owned()).collect()
+    } else {
+        Vec::new()
     }
-    Vec::new()
 }
 
 fn extract_version(description: &str) -> Option<String> {