Merge pull request #2699 from jfinkels/lint-fixes

ls,more,csplit,sort,od,dd: fix clippy complaints

src/uu/csplit/src/csplit.rs

@@ -320,18 +320,19 @@ impl<'a> SplitWriter<'a> {
             let l = line?;
             match n.cmp(&(&ln + 1)) {
                 Ordering::Less => {
-                    if input_iter.add_line_to_buffer(ln, l).is_some() {
-                        panic!("the buffer is big enough to contain 1 line");
-                    }
+                    assert!(
+                        input_iter.add_line_to_buffer(ln, l).is_none(),
+                        "the buffer is big enough to contain 1 line"
+                    );
                     ret = Ok(());
                     break;
                 }
                 Ordering::Equal => {
-                    if !self.options.suppress_matched
-                        && input_iter.add_line_to_buffer(ln, l).is_some()
-                    {
-                        panic!("the buffer is big enough to contain 1 line");
-                    }
+                    assert!(
+                        self.options.suppress_matched
+                            || input_iter.add_line_to_buffer(ln, l).is_none(),
+                        "the buffer is big enough to contain 1 line"
+                    );
                     ret = Ok(());
                     break;
                 }
@@ -378,9 +379,10 @@ impl<'a> SplitWriter<'a> {
                     match (self.options.suppress_matched, offset) {
                         // no offset, add the line to the next split
                         (false, 0) => {
-                            if input_iter.add_line_to_buffer(ln, l).is_some() {
-                                panic!("the buffer is big enough to contain 1 line");
-                            }
+                            assert!(
+                                input_iter.add_line_to_buffer(ln, l).is_none(),
+                                "the buffer is big enough to contain 1 line"
+                            );
                         }
                         // a positive offset, some more lines need to be added to the current split
                         (false, _) => self.writeln(l)?,
@@ -425,9 +427,10 @@ impl<'a> SplitWriter<'a> {
                     if !self.options.suppress_matched {
                         // add 1 to the buffer size to make place for the matched line
                         input_iter.set_size_of_buffer(offset_usize + 1);
-                        if input_iter.add_line_to_buffer(ln, l).is_some() {
-                            panic!("should be big enough to hold every lines");
-                        }
+                        assert!(
+                            input_iter.add_line_to_buffer(ln, l).is_none(),
+                            "should be big enough to hold every lines"
+                        );
                     }
                     self.finish_split();
                     if input_iter.buffer_len() < offset_usize {

src/uu/dd/src/parseargs/unit_tests.rs

@@ -35,13 +35,12 @@ fn unimplemented_flags_should_error_non_linux() {
         }
     }
 
-    if !succeeded.is_empty() {
-        panic!(
+    assert!(
+        succeeded.is_empty(),
         "The following flags did not panic as expected: {:?}",
         succeeded
     );
 }
-}
 
 #[test]
 fn unimplemented_flags_should_error() {
@@ -64,13 +63,12 @@ fn unimplemented_flags_should_error() {
         }
     }
 
-    if !succeeded.is_empty() {
-        panic!(
+    assert!(
+        succeeded.is_empty(),
         "The following flags did not panic as expected: {:?}",
         succeeded
     );
 }
-}
 
 #[test]
 fn test_status_level_absent() {

src/uu/ls/src/ls.rs

@@ -1967,11 +1967,7 @@ fn display_file_name(
     #[cfg(unix)]
     {
         if config.format != Format::Long && config.inode {
-            name = path
-                .md()
-                .map_or_else(|| "?".to_string(), |md| get_inode(md))
-                + " "
-                + &name;
+            name = path.md().map_or_else(|| "?".to_string(), get_inode) + " " + &name;
         }
     }
 

src/uu/more/src/more.rs

@@ -210,7 +210,7 @@ fn reset_term(stdout: &mut std::io::Stdout) {
 #[inline(always)]
 fn reset_term(_: &mut usize) {}
 
-fn more(buff: &str, mut stdout: &mut Stdout, next_file: Option<&str>, silent: bool) {
+fn more(buff: &str, stdout: &mut Stdout, next_file: Option<&str>, silent: bool) {
     let (cols, rows) = terminal::size().unwrap();
     let lines = break_buff(buff, usize::from(cols));
 
@@ -232,7 +232,7 @@ fn more(buff: &str, mut stdout: &mut Stdout, next_file: Option<&str>, silent: bo
                     code: KeyCode::Char('c'),
                     modifiers: KeyModifiers::CONTROL,
                 }) => {
-                    reset_term(&mut stdout);
+                    reset_term(stdout);
                     std::process::exit(0);
                 }
                 Event::Key(KeyEvent {

src/uu/od/src/output_info.rs

@@ -145,13 +145,12 @@ impl OutputInfo {
         byte_size_block: usize,
         print_width_block: usize,
     ) -> [usize; MAX_BYTES_PER_UNIT] {
-        if byte_size_block > MAX_BYTES_PER_UNIT {
-            panic!(
+        assert!(
+            byte_size_block <= MAX_BYTES_PER_UNIT,
             "{}-bits types are unsupported. Current max={}-bits.",
             8 * byte_size_block,
             8 * MAX_BYTES_PER_UNIT
         );
-        }
         let mut spacing = [0; MAX_BYTES_PER_UNIT];
 
         let mut byte_size = sf.byte_size();

src/uu/sort/src/sort.rs

@@ -825,7 +825,7 @@ impl FieldSelector {
     fn parse(key: &str, global_settings: &GlobalSettings) -> UResult<Self> {
         let mut from_to = key.split(',');
         let (from, from_options) = Self::split_key_options(from_to.next().unwrap());
-        let to = from_to.next().map(|to| Self::split_key_options(to));
+        let to = from_to.next().map(Self::split_key_options);
         let options_are_empty = from_options.is_empty() && matches!(to, None | Some((_, "")));
 
         if options_are_empty {