Add clippy to infer schema crate

Oops, totally forgot about that one!

Author: killercup

.travis.yml

@@ -43,6 +43,7 @@ matrix:
     - (cd diesel && cargo rustc --no-default-features --features "lint unstable chrono serde_json uuid sqlite postgres mysql" -- -Zno-trans)
     - (cd diesel_cli && cargo rustc --no-default-features --features "lint sqlite postgres mysql" -- -Zno-trans)
     - (cd diesel_codegen && cargo rustc --no-default-features --features "lint dotenv sqlite postgres mysql" -- -Zno-trans)
+    - (cd diesel_infer_schema && cargo rustc --no-default-features --features "lint dotenv sqlite postgres mysql" -- -Zno-trans)
 env:
   matrix:
     - BACKEND=sqlite

diesel_infer_schema/Cargo.toml

@@ -13,6 +13,7 @@ keywords = ["orm", "database", "postgres", "postgresql", "sql"]
 diesel = { version = "0.10.0", default-features = false }
 syn = "0.11.4"
 quote = "0.3.1"
+clippy = { optional = true, version = "=0.0.114" }
 
 [dev-dependencies]
 dotenv = "0.8.0"
@@ -23,3 +24,4 @@ postgres = ["diesel/postgres", "uses_information_schema"]
 sqlite = ["diesel/sqlite"]
 mysql = ["diesel/mysql", "uses_information_schema"]
 uses_information_schema = []
+lint = ["clippy"]

diesel_infer_schema/src/information_schema.rs

@@ -55,6 +55,7 @@ impl UsesInformationSchema for Mysql {
     }
 }
 
+#[cfg_attr(feature = "clippy", allow(module_inception))]
 mod information_schema {
     table! {
         information_schema.tables (table_schema, table_name) {

diesel_infer_schema/src/lib.rs

@@ -1,4 +1,20 @@
-#![deny(warnings)]
+// Built-in Lints
+#![deny(warnings, missing_debug_implementations, missing_copy_implementations)]
+
+// Clippy lints
+#![cfg_attr(feature = "clippy", allow(unstable_features))]
+#![cfg_attr(feature = "clippy", feature(plugin))]
+#![cfg_attr(feature = "clippy", plugin(clippy(conf_file="../clippy.toml")))]
+#![cfg_attr(feature = "clippy", allow(
+    option_map_unwrap_or_else, option_map_unwrap_or,
+    match_same_arms, type_complexity,
+))]
+#![cfg_attr(feature = "clippy", warn(
+    option_unwrap_used, result_unwrap_used, print_stdout, wrong_pub_self_convention,
+    mut_mut, non_ascii_literal, similar_names, unicode_not_nfc,
+    enum_glob_use, if_not_else, items_after_statements, used_underscore_binding,
+))]
+#![cfg_attr(all(test, feature = "clippy"), allow(result_unwrap_used))]
 
 #[macro_use]
 extern crate quote;

diesel_infer_schema/src/mysql.rs

@@ -20,7 +20,7 @@ fn determine_type_name(sql_type_name: &str) -> &str {
     } else if let Some(idx) = sql_type_name.find('(') {
         &sql_type_name[..idx]
     } else {
-        &sql_type_name
+        sql_type_name
     }
 }
 

diesel_infer_schema/src/table_data.rs

@@ -50,7 +50,9 @@ impl fmt::Display for TableData {
 }
 
 #[derive(Debug)]
+#[allow(missing_copy_implementations)]
 pub enum Never {}
+
 impl FromStr for TableData {
     type Err = Never;