Fix clippy warnings

.github/workflows/code-quality.yml

@@ -112,7 +112,7 @@ jobs:
           fault_type="${{ steps.vars.outputs.FAULT_TYPE }}"
           fault_prefix=$(echo "$fault_type" | tr '[:lower:]' '[:upper:]')
           # * convert any warnings to GHA UI annotations; ref: <https://help.github.com/en/actions/reference/workflow-commands-for-github-actions#setting-a-warning-message>
-          S=$(cargo clippy --all-targets --features ${{ matrix.job.features }} -pcoreutils -- ${CLIPPY_FLAGS} -D warnings 2>&1) && printf "%s\n" "$S" || { printf "%s\n" "$S" ; printf "%s" "$S" | sed -E -n -e '/^error:/{' -e "N; s/^error:[[:space:]]+(.*)\\n[[:space:]]+-->[[:space:]]+(.*):([0-9]+):([0-9]+).*$/::${fault_type} file=\2,line=\3,col=\4::${fault_prefix}: \`cargo clippy\`: \1 (file:'\2', line:\3)/p;" -e '}' ; fault=true ; }
+          S=$(cargo clippy --all-targets --features ${{ matrix.job.features }} --tests -pcoreutils -- ${CLIPPY_FLAGS} -D warnings 2>&1) && printf "%s\n" "$S" || { printf "%s\n" "$S" ; printf "%s" "$S" | sed -E -n -e '/^error:/{' -e "N; s/^error:[[:space:]]+(.*)\\n[[:space:]]+-->[[:space:]]+(.*):([0-9]+):([0-9]+).*$/::${fault_type} file=\2,line=\3,col=\4::${fault_prefix}: \`cargo clippy\`: \1 (file:'\2', line:\3)/p;" -e '}' ; fault=true ; }
           if [ -n "${{ steps.vars.outputs.FAIL_ON_FAULT }}" ] && [ -n "$fault" ]; then exit 1 ; fi
 
   style_spellcheck:

deny.toml

@@ -22,7 +22,6 @@ allow = [
   "Apache-2.0",
   "ISC",
   "BSD-2-Clause",
-  "BSD-2-Clause-FreeBSD",
   "BSD-3-Clause",
   "BSL-1.0",
   "CC0-1.0",

src/uucore/src/lib/features/backup_control.rs

@@ -667,37 +667,34 @@ mod tests {
 
     #[test]
     fn test_numbered_backup_path() {
-        assert_eq!(numbered_backup_path(&Path::new("")), PathBuf::from(".~1~"));
+        assert_eq!(numbered_backup_path(Path::new("")), PathBuf::from(".~1~"));
+        assert_eq!(numbered_backup_path(Path::new("/")), PathBuf::from("/.~1~"));
         assert_eq!(
-            numbered_backup_path(&Path::new("/")),
-            PathBuf::from("/.~1~")
-        );
-        assert_eq!(
-            numbered_backup_path(&Path::new("/hello/world")),
+            numbered_backup_path(Path::new("/hello/world")),
             PathBuf::from("/hello/world.~1~")
         );
         assert_eq!(
-            numbered_backup_path(&Path::new("/hello/world/")),
+            numbered_backup_path(Path::new("/hello/world/")),
             PathBuf::from("/hello/world.~1~")
         );
     }
 
     #[test]
     fn test_simple_backup_path() {
         assert_eq!(
-            simple_backup_path(&Path::new(""), ".bak"),
+            simple_backup_path(Path::new(""), ".bak"),
             PathBuf::from(".bak")
         );
         assert_eq!(
-            simple_backup_path(&Path::new("/"), ".bak"),
+            simple_backup_path(Path::new("/"), ".bak"),
             PathBuf::from("/.bak")
         );
         assert_eq!(
-            simple_backup_path(&Path::new("/hello/world"), ".bak"),
+            simple_backup_path(Path::new("/hello/world"), ".bak"),
             PathBuf::from("/hello/world.bak")
         );
         assert_eq!(
-            simple_backup_path(&Path::new("/hello/world/"), ".bak"),
+            simple_backup_path(Path::new("/hello/world/"), ".bak"),
             PathBuf::from("/hello/world.bak")
         );
     }

src/uucore/src/lib/features/proc_info.rs

@@ -3,7 +3,7 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-// spell-checker:ignore exitstatus cmdline kworker pgrep pwait snice
+// spell-checker:ignore exitstatus cmdline kworker pgrep pwait snice procps
 
 //! Set of functions to manage IDs
 //!
@@ -19,6 +19,15 @@
 //! `snice` (TBD)
 //!
 
+// This file is currently flagged as dead code, because it isn't used anywhere
+// in the codebase. It may be useful in the future though, so we decide to keep
+// it.
+// The code was originally written in procps
+// (https://github.com/uutils/procps/blob/main/src/uu/pgrep/src/process.rs)
+// but was eventually moved here.
+// See https://github.com/uutils/coreutils/pull/6932 for discussion.
+#![allow(dead_code)]
+
 use crate::features::tty::Teletype;
 use std::hash::Hash;
 use std::{