Fix some new clippy lints

src/api/s3_cors.rs

@@ -200,12 +200,7 @@ pub fn find_matching_cors_rule<'a>(
 				None => vec![],
 			};
 			return Ok(cors_config.iter().find(|rule| {
-				cors_rule_matches(
-					rule,
-					origin,
-					&req.method().to_string(),
-					request_headers.iter(),
-				)
+				cors_rule_matches(rule, origin, req.method().as_ref(), request_headers.iter())
 			}));
 		}
 	}

src/api/s3_list.rs

@@ -1042,12 +1042,12 @@ mod tests {
 
 		query.common.prefix = "a/".to_string();
 		assert_eq!(
-			common_prefix(&objs.get(0).unwrap(), &query.common),
+			common_prefix(objs.get(0).unwrap(), &query.common),
 			Some("a/b/")
 		);
 
 		query.common.prefix = "a/b/".to_string();
-		assert_eq!(common_prefix(&objs.get(0).unwrap(), &query.common), None);
+		assert_eq!(common_prefix(objs.get(0).unwrap(), &query.common), None);
 	}
 
 	#[test]
@@ -1272,7 +1272,7 @@ mod tests {
 		Version {
 			bucket_id: uuid,
 			key: "a".to_string(),
-			uuid: uuid,
+			uuid,
 			deleted: false.into(),
 			blocks: crdt::Map::<VersionBlockKey, VersionBlock>::from_iter(blocks),
 			parts_etags: crdt::Map::<u64, String>::from_iter(etags),

src/api/s3_website.rs

@@ -259,8 +259,7 @@ impl RoutingRuleInner {
 		let has_prefix = self
 			.condition
 			.as_ref()
-			.map(|c| c.prefix.as_ref())
-			.flatten()
+			.and_then(|c| c.prefix.as_ref())
 			.is_some();
 		self.redirect.validate(has_prefix)
 	}

src/api/signature/payload.rs

@@ -51,7 +51,7 @@ pub async fn check_payload_signature(
 
 	let canonical_request = canonical_request(
 		request.method(),
-		&request.uri().path().to_string(),
+		request.uri().path(),
 		&canonical_query_string(request.uri()),
 		&headers,
 		&authorization.signed_headers,

src/garage/main.rs

@@ -115,7 +115,7 @@ async fn cli_command(opt: Opt) -> Result<(), Error> {
 	} else {
 		let node_id = garage_rpc::system::read_node_id(&config.as_ref().unwrap().metadata_dir)
 			.err_context(READ_KEY_ERROR)?;
-		if let Some(a) = config.as_ref().map(|c| c.rpc_public_addr).flatten() {
+		if let Some(a) = config.as_ref().and_then(|c| c.rpc_public_addr) {
 			(node_id, a)
 		} else {
 			let default_addr = SocketAddr::new(

src/garage/tests/bucket.rs

@@ -27,7 +27,7 @@ async fn test_bucket_all() {
 			.buckets
 			.as_ref()
 			.unwrap()
-			.into_iter()
+			.iter()
 			.filter(|x| x.name.as_ref().is_some())
 			.find(|x| x.name.as_ref().unwrap() == "hello")
 			.is_some());
@@ -79,7 +79,7 @@ async fn test_bucket_all() {
 			.buckets
 			.as_ref()
 			.unwrap()
-			.into_iter()
+			.iter()
 			.filter(|x| x.name.as_ref().is_some())
 			.find(|x| x.name.as_ref().unwrap() == "hello")
 			.is_none());

src/garage/tests/list.rs

@@ -527,8 +527,8 @@ async fn test_listmultipart() {
 			upnext = r.next_upload_id_marker;
 
 			loopcnt += 1;
-			upcnt += r.uploads.unwrap_or(vec![]).len();
-			pfxcnt += r.common_prefixes.unwrap_or(vec![]).len();
+			upcnt += r.uploads.unwrap_or_default().len();
+			pfxcnt += r.common_prefixes.unwrap_or_default().len();
 
 			if next.is_none() {
 				break;

src/garage/tests/multipart.rs

@@ -124,7 +124,7 @@ async fn test_uploadlistpart() {
 
 		assert!(r.part_number_marker.is_none());
 		assert!(r.next_part_number_marker.is_some());
-		assert_eq!(r.max_parts, 1 as i32);
+		assert_eq!(r.max_parts, 1_i32);
 		assert!(r.is_truncated);
 		assert_eq!(r.key.unwrap(), "a");
 		assert_eq!(r.upload_id.unwrap().as_str(), uid.as_str());
@@ -146,7 +146,7 @@ async fn test_uploadlistpart() {
 			r2.part_number_marker.as_ref().unwrap(),
 			r.next_part_number_marker.as_ref().unwrap()
 		);
-		assert_eq!(r2.max_parts, 1 as i32);
+		assert_eq!(r2.max_parts, 1_i32);
 		assert!(r2.is_truncated);
 		assert_eq!(r2.key.unwrap(), "a");
 		assert_eq!(r2.upload_id.unwrap().as_str(), uid.as_str());

src/model/helper/bucket.rs

@@ -30,8 +30,7 @@ impl<'a> BucketHelper<'a> {
 		// the AWS spec, and hex-encoded UUIDs are 64 chars long.
 		let hexbucket = hex::decode(bucket_name.as_str())
 			.ok()
-			.map(|by| Uuid::try_from(&by))
-			.flatten();
+			.and_then(|by| Uuid::try_from(&by));
 		if let Some(bucket_id) = hexbucket {
 			Ok(self
 				.0
@@ -46,8 +45,7 @@ impl<'a> BucketHelper<'a> {
 				.bucket_alias_table
 				.get(&EmptyKey, bucket_name)
 				.await?
-				.map(|x| *x.state.get())
-				.flatten())
+				.and_then(|x| *x.state.get()))
 		}
 	}
 

src/model/key_table.rs

@@ -106,8 +106,7 @@ impl Key {
 	/// Get permissions for a bucket
 	pub fn bucket_permissions(&self, bucket: &Uuid) -> BucketKeyPerm {
 		self.params()
-			.map(|params| params.authorized_buckets.get(bucket))
-			.flatten()
+			.and_then(|params| params.authorized_buckets.get(bucket))
 			.cloned()
 			.unwrap_or(BucketKeyPerm::NO_PERMISSIONS)
 	}

src/rpc/consul.rs

@@ -51,10 +51,8 @@ pub async fn get_consul_nodes(
 		let pubkey = ent
 			.node_meta
 			.get("pubkey")
-			.map(|k| hex::decode(&k).ok())
-			.flatten()
-			.map(|k| NodeID::from_slice(&k[..]))
-			.flatten();
+			.and_then(|k| hex::decode(&k).ok())
+			.and_then(|k| NodeID::from_slice(&k[..]));
 		if let (Some(ip), Some(pubkey)) = (ip, pubkey) {
 			ret.push((pubkey, SocketAddr::new(ip, ent.service_port)));
 		} else {

src/rpc/kubernetes.rs

@@ -63,10 +63,8 @@ pub async fn get_kubernetes_nodes(
 		let pubkey = &node
 			.metadata
 			.name
-			.map(|k| hex::decode(&k).ok())
-			.flatten()
-			.map(|k| NodeID::from_slice(&k[..]))
-			.flatten();
+			.and_then(|k| hex::decode(&k).ok())
+			.and_then(|k| NodeID::from_slice(&k[..]));
 
 		if let Some(pubkey) = pubkey {
 			ret.push((*pubkey, SocketAddr::new(node.spec.address, node.spec.port)))

src/rpc/rpc_helper.rs

@@ -322,8 +322,7 @@ impl RpcHelper {
 					let peer_avg_ping = peer_list
 						.iter()
 						.find(|x| x.id.as_ref() == to.as_slice())
-						.map(|pi| pi.avg_ping)
-						.flatten()
+						.and_then(|pi| pi.avg_ping)
 						.unwrap_or_else(|| Duration::from_secs(1));
 					(
 						to != self.0.our_node_id,

src/web/web_server.rs

@@ -175,8 +175,7 @@ async fn serve_file(garage: Arc<Garage>, req: &Request<Body>) -> Result<Response
 		.bucket_alias_table
 		.get(&EmptyKey, &bucket_name.to_string())
 		.await?
-		.map(|x| x.state.take())
-		.flatten()
+		.and_then(|x| x.state.take())
 		.ok_or(Error::NotFound)?;
 
 	// Check bucket isn't deleted and has website access enabled