Fix clippy warnings

src/features/line_numbers.rs

@@ -167,12 +167,12 @@ impl<'a> LineNumbersData<'a> {
             format_data: MinusPlus::new(
                 format::parse_line_number_format(
                     &format[Left],
-                    &*LINE_NUMBERS_PLACEHOLDER_REGEX,
+                    &LINE_NUMBERS_PLACEHOLDER_REGEX,
                     false,
                 ),
                 format::parse_line_number_format(
                     &format[Right],
-                    &*LINE_NUMBERS_PLACEHOLDER_REGEX,
+                    &LINE_NUMBERS_PLACEHOLDER_REGEX,
                     insert_center_space_on_odd_width,
                 ),
             ),

src/handlers/blame.rs

@@ -43,7 +43,7 @@ impl<'a> StateMachine<'a> {
                 // Format blame metadata
                 let format_data = format::parse_line_number_format(
                     &self.config.blame_format,
-                    &*BLAME_PLACEHOLDER_REGEX,
+                    &BLAME_PLACEHOLDER_REGEX,
                     false,
                 );
                 let mut formatted_blame_metadata =

src/handlers/diff_header.rs

@@ -88,7 +88,7 @@ impl<'a> StateMachine<'a> {
             parse_diff_header_line(&self.line, self.source == Source::GitDiff);
 
         self.minus_file = utils::path::relativize_path_maybe(&path_or_mode, self.config)
-            .map(|p| p.to_string_lossy().to_owned().to_string())
+            .map(|p| p.to_string_lossy().into_owned())
             .unwrap_or(path_or_mode);
         self.minus_file_event = file_event;
 
@@ -125,7 +125,7 @@ impl<'a> StateMachine<'a> {
             parse_diff_header_line(&self.line, self.source == Source::GitDiff);
 
         self.plus_file = utils::path::relativize_path_maybe(&path_or_mode, self.config)
-            .map(|p| p.to_string_lossy().to_owned().to_string())
+            .map(|p| p.to_string_lossy().into_owned())
             .unwrap_or(path_or_mode);
         self.plus_file_event = file_event;
         self.painter
@@ -162,8 +162,7 @@ impl<'a> StateMachine<'a> {
         let mut handled_line = false;
         let (_mode_info, file_event) =
             parse_diff_header_line(&self.line, self.source == Source::GitDiff);
-        let name = get_repeated_file_path_from_diff_line(&self.diff_line)
-            .unwrap_or_else(|| "".to_string());
+        let name = get_repeated_file_path_from_diff_line(&self.diff_line).unwrap_or_default();
         match file_event {
             FileEvent::Removed => {
                 self.minus_file = name;
@@ -242,8 +241,7 @@ impl<'a> StateMachine<'a> {
                 _ => Cow::from(file),
             };
             let label = format_label(&self.config.file_modified_label);
-            let name = get_repeated_file_path_from_diff_line(&self.diff_line)
-                .unwrap_or_else(|| "".to_string());
+            let name = get_repeated_file_path_from_diff_line(&self.diff_line).unwrap_or_default();
             let line = format!("{}{}", label, format_file(&name));
             write_generic_diff_header_header_line(
                 &line,

src/handlers/grep.rs

@@ -439,7 +439,7 @@ pub fn parse_grep_line(line: &str) -> Option<GrepLine> {
                 &*GREP_LINE_REGEX_ASSUMING_NO_INTERNAL_SEPARATOR_CHARS,
             ]
             .iter()
-            .find_map(|regex| _parse_grep_line(*regex, line)),
+            .find_map(|regex| _parse_grep_line(regex, line)),
             _ => None,
         }
     }

src/subcommands/diff.rs

@@ -40,7 +40,7 @@ pub fn diff(
 
     let diff_process = process::Command::new(diff_path)
         .args(&diff_cmd[1..])
-        .args(&[minus_file, plus_file])
+        .args([minus_file, plus_file])
         .stdout(process::Stdio::piped())
         .spawn();
 

src/subcommands/list_syntax_themes.rs

@@ -19,11 +19,11 @@ pub fn _list_syntax_themes_for_humans(writer: &mut dyn Write) -> std::io::Result
     let assets = utils::bat::assets::load_highlighting_assets();
 
     writeln!(writer, "Light syntax themes:")?;
-    for theme in assets.themes().filter(|t| is_light_syntax_theme(*t)) {
+    for theme in assets.themes().filter(|t| is_light_syntax_theme(t)) {
         writeln!(writer, "    {}", theme)?;
     }
     writeln!(writer, "\nDark syntax themes:")?;
-    for theme in assets.themes().filter(|t| !is_light_syntax_theme(*t)) {
+    for theme in assets.themes().filter(|t| !is_light_syntax_theme(t)) {
         writeln!(writer, "    {}", theme)?;
     }
     writeln!(
@@ -35,7 +35,7 @@ pub fn _list_syntax_themes_for_humans(writer: &mut dyn Write) -> std::io::Result
 
 pub fn _list_syntax_themes_for_machines(writer: &mut dyn Write) -> std::io::Result<()> {
     let assets = utils::bat::assets::load_highlighting_assets();
-    for theme in assets.themes().sorted_by_key(|t| is_light_syntax_theme(*t)) {
+    for theme in assets.themes().sorted_by_key(|t| is_light_syntax_theme(t)) {
         writeln!(
             writer,
             "{}\t{}",

src/utils/path.rs

@@ -29,7 +29,7 @@ pub fn absolute_path(relative_path: &str, config: &Config) -> Option<PathBuf> {
 pub fn relativize_path_maybe(path: &str, config: &Config) -> Option<PathBuf> {
     if config.relative_paths && !calling_process().paths_in_input_are_relative_to_cwd() {
         if let Some(base) = config.cwd_relative_to_repo_root.as_deref() {
-            pathdiff::diff_paths(&path, base)
+            pathdiff::diff_paths(path, base)
         } else {
             None
         }