clippy: fix errors introduced with Rust 1.84

Cargo.toml

@@ -564,6 +564,8 @@ multiple_crate_versions = "allow"
 cargo_common_metadata = "allow"
 uninlined_format_args = "allow"
 missing_panics_doc = "allow"
+# TODO remove when https://github.com/rust-lang/rust-clippy/issues/13774 is fixed
+large_stack_arrays = "allow"
 
 use_self = "warn"
 needless_pass_by_value = "warn"

src/uu/cp/src/cp.rs

@@ -935,7 +935,7 @@ impl Options {
         if backup_mode != BackupMode::NoBackup
             && matches
                 .get_one::<String>(update_control::arguments::OPT_UPDATE)
-                .map_or(false, |v| v == "none" || v == "none-fail")
+                .is_some_and(|v| v == "none" || v == "none-fail")
         {
             return Err(Error::InvalidArgument(
                 "--backup is mutually exclusive with -n or --update=none-fail".to_string(),

src/uu/cp/src/platform/macos.rs

@@ -64,7 +64,7 @@ pub(crate) fn copy_on_write(
                 // clonefile(2) fails if the destination exists.  Remove it and try again.  Do not
                 // bother to check if removal worked because we're going to try to clone again.
                 // first lets make sure the dest file is not read only
-                if fs::metadata(dest).map_or(false, |md| !md.permissions().readonly()) {
+                if fs::metadata(dest).is_ok_and(|md| !md.permissions().readonly()) {
                     // remove and copy again
                     // TODO: rewrite this to better match linux behavior
                     // linux first opens the source file and destination file then uses the file

src/uucore/src/lib/features/fs.rs

@@ -719,7 +719,7 @@ pub fn path_ends_with_terminator(path: &Path) -> bool {
     path.as_os_str()
         .encode_wide()
         .last()
-        .map_or(false, |wide| wide == b'/'.into() || wide == b'\\'.into())
+        .is_some_and(|wide| wide == b'/'.into() || wide == b'\\'.into())
 }
 
 /// Checks if the standard input (stdin) is a directory.

tests/by-util/test_cp.rs

@@ -2524,7 +2524,7 @@ fn test_cp_sparse_always_non_empty() {
     const BUFFER_SIZE: usize = 4096 * 16 + 3;
     let (at, mut ucmd) = at_and_ucmd!();
 
-    let mut buf: [u8; BUFFER_SIZE] = [0; BUFFER_SIZE];
+    let mut buf = vec![0; BUFFER_SIZE].into_boxed_slice();
     let blocks_to_touch = [buf.len() / 3, 2 * (buf.len() / 3)];
 
     for i in blocks_to_touch {
@@ -2540,7 +2540,7 @@ fn test_cp_sparse_always_non_empty() {
     let touched_block_count =
         blocks_to_touch.len() as u64 * at.metadata("dst_file_sparse").blksize() / 512;
 
-    assert_eq!(at.read_bytes("dst_file_sparse"), buf);
+    assert_eq!(at.read_bytes("dst_file_sparse").into_boxed_slice(), buf);
     assert_eq!(at.metadata("dst_file_sparse").blocks(), touched_block_count);
 }
 

tests/by-util/test_ls.rs

@@ -1096,13 +1096,16 @@ fn test_ls_long() {
     let at = &scene.fixtures;
     at.touch(at.plus_as_string("test-long"));
 
+    #[cfg(not(windows))]
+    let regex = r"[-bcCdDlMnpPsStTx?]([r-][w-][xt-]){3}.*";
+    #[cfg(windows)]
+    let regex = r"[-dl](r[w-]x){3}.*";
+
+    let re = &Regex::new(regex).unwrap();
+
     for arg in LONG_ARGS {
         let result = scene.ucmd().arg(arg).arg("test-long").succeeds();
-        #[cfg(not(windows))]
-        result.stdout_matches(&Regex::new(r"[-bcCdDlMnpPsStTx?]([r-][w-][xt-]){3}.*").unwrap());
-
-        #[cfg(windows)]
-        result.stdout_matches(&Regex::new(r"[-dl](r[w-]x){3}.*").unwrap());
+        result.stdout_matches(re);
     }
 }
 
@@ -1115,23 +1118,30 @@ fn test_ls_long_format() {
     at.touch(at.plus_as_string("test-long-dir/test-long-file"));
     at.mkdir(at.plus_as_string("test-long-dir/test-long-dir"));
 
-    for arg in LONG_ARGS {
-        // Assuming sane username do not have spaces within them.
-        // A line of the output should be:
-        // One of the characters -bcCdDlMnpPsStTx?
-        // rwx, with - for missing permissions, thrice.
-        // Zero or one "." for indicating a file with security context
-        // A number, preceded by column whitespace, and followed by a single space.
-        // A username, currently [^ ], followed by column whitespace, twice (or thrice for Hurd).
-        // A number, followed by a single space.
-        // A month, followed by a single space.
-        // A day, preceded by column whitespace, and followed by a single space.
-        // Either a year or a time, currently [0-9:]+, preceded by column whitespace,
-        // and followed by a single space.
-        // Whatever comes after is irrelevant to this specific test.
-        scene.ucmd().arg(arg).arg("test-long-dir").succeeds().stdout_matches(&Regex::new(
+    // Assuming sane username do not have spaces within them.
+    // A line of the output should be:
+    // One of the characters -bcCdDlMnpPsStTx?
+    // rwx, with - for missing permissions, thrice.
+    // Zero or one "." for indicating a file with security context
+    // A number, preceded by column whitespace, and followed by a single space.
+    // A username, currently [^ ], followed by column whitespace, twice (or thrice for Hurd).
+    // A number, followed by a single space.
+    // A month, followed by a single space.
+    // A day, preceded by column whitespace, and followed by a single space.
+    // Either a year or a time, currently [0-9:]+, preceded by column whitespace,
+    // and followed by a single space.
+    // Whatever comes after is irrelevant to this specific test.
+    let re = &Regex::new(
             r"\n[-bcCdDlMnpPsStTx?]([r-][w-][xt-]){3}\.? +\d+ [^ ]+ +[^ ]+( +[^ ]+)? +\d+ [A-Z][a-z]{2} {0,2}\d{0,2} {0,2}[0-9:]+ "
-        ).unwrap());
+        ).unwrap();
+
+    for arg in LONG_ARGS {
+        scene
+            .ucmd()
+            .arg(arg)
+            .arg("test-long-dir")
+            .succeeds()
+            .stdout_matches(re);
     }
 
     // This checks for the line with the .. entry. The uname and group should be digits.