Clean up a few #[allow]s (#2614)

src/components/utils/emoji.rs

@@ -7,9 +7,10 @@ static EMOJI_REPLACER: Lazy<gh_emoji::Replacer> =
 // Replace markdown emojis with Unicode equivalent
 // :hammer: --> 🔨
 #[inline]
-pub fn emojifi_string(s: &mut String) {
-	let resulting_cow = EMOJI_REPLACER.replace_all(s);
-	if let Cow::Owned(altered_s) = resulting_cow {
-		*s = altered_s;
+pub fn emojifi_string(s: String) -> String {
+	if let Cow::Owned(altered_s) = EMOJI_REPLACER.replace_all(&s) {
+		altered_s
+	} else {
+		s
 	}
 }

src/components/utils/logitems.rs

@@ -41,12 +41,11 @@ impl From<CommitInfo> for LogEntry {
 		};
 
 		let author = c.author;
-		#[allow(unused_mut)]
-		let mut msg = c.message;
+		let msg = c.message;
 
 		// Replace markdown emojis with Unicode equivalent
 		#[cfg(feature = "ghemoji")]
-		emojifi_string(&mut msg);
+		let msg = emojifi_string(msg);
 
 		Self {
 			author: author.into(),
@@ -175,9 +174,7 @@ mod tests {
 	use super::*;
 
 	fn test_conversion(s: &str) -> String {
-		let mut s = s.to_string();
-		emojifi_string(&mut s);
-		s
+		emojifi_string(s.into())
 	}
 
 	#[test]

src/options.rs

@@ -152,8 +152,6 @@ impl Options {
 		Ok(from_bytes(&buffer)?)
 	}
 
-	//TODO: fix once FP in clippy is fixed
-	#[allow(clippy::needless_borrow)]
 	fn save_failable(&self) -> Result<()> {
 		let dir = Self::options_file(&self.repo)?;