feat(sort): add warning messages for obsolescent keys and options

src/uu/sort/benches/sort_locale_utf8_bench.rs

@@ -21,11 +21,10 @@ fn sort_ascii_utf8_locale(bencher: Bencher) {
     let output_file = NamedTempFile::new().unwrap();
     let output_path = output_file.path().to_str().unwrap().to_string();
 
+    let args = ["-o", &output_path, file_path.to_str().unwrap()];
+    black_box(run_util_function(uumain, &args));
     bencher.bench(|| {
-        black_box(run_util_function(
-            uumain,
-            &["-o", &output_path, file_path.to_str().unwrap()],
-        ));
+        black_box(run_util_function(uumain, &args));
     });
 }
 
@@ -37,11 +36,10 @@ fn sort_mixed_utf8_locale(bencher: Bencher) {
     let output_file = NamedTempFile::new().unwrap();
     let output_path = output_file.path().to_str().unwrap().to_string();
 
+    let args = ["-o", &output_path, file_path.to_str().unwrap()];
+    black_box(run_util_function(uumain, &args));
     bencher.bench(|| {
-        black_box(run_util_function(
-            uumain,
-            &["-o", &output_path, file_path.to_str().unwrap()],
-        ));
+        black_box(run_util_function(uumain, &args));
     });
 }
 
@@ -54,12 +52,13 @@ fn sort_numeric_utf8_locale(bencher: Bencher) {
         data.extend_from_slice(line.as_bytes());
     }
     let file_path = setup_test_file(&data);
+    let output_file = NamedTempFile::new().unwrap();
+    let output_path = output_file.path().to_str().unwrap().to_string();
 
+    let args = ["-n", "-o", &output_path, file_path.to_str().unwrap()];
+    black_box(run_util_function(uumain, &args));
     bencher.bench(|| {
-        black_box(run_util_function(
-            uumain,
-            &["-n", file_path.to_str().unwrap()],
-        ));
+        black_box(run_util_function(uumain, &args));
     });
 }
 
@@ -68,12 +67,13 @@ fn sort_numeric_utf8_locale(bencher: Bencher) {
 fn sort_reverse_utf8_locale(bencher: Bencher) {
     let data = text_data::generate_mixed_locale_data(50_000);
     let file_path = setup_test_file(&data);
+    let output_file = NamedTempFile::new().unwrap();
+    let output_path = output_file.path().to_str().unwrap().to_string();
 
+    let args = ["-r", "-o", &output_path, file_path.to_str().unwrap()];
+    black_box(run_util_function(uumain, &args));
     bencher.bench(|| {
-        black_box(run_util_function(
-            uumain,
-            &["-r", file_path.to_str().unwrap()],
-        ));
+        black_box(run_util_function(uumain, &args));
     });
 }
 
@@ -82,12 +82,13 @@ fn sort_reverse_utf8_locale(bencher: Bencher) {
 fn sort_unique_utf8_locale(bencher: Bencher) {
     let data = text_data::generate_mixed_locale_data(50_000);
     let file_path = setup_test_file(&data);
+    let output_file = NamedTempFile::new().unwrap();
+    let output_path = output_file.path().to_str().unwrap().to_string();
 
+    let args = ["-u", "-o", &output_path, file_path.to_str().unwrap()];
+    black_box(run_util_function(uumain, &args));
     bencher.bench(|| {
-        black_box(run_util_function(
-            uumain,
-            &["-u", file_path.to_str().unwrap()],
-        ));
+        black_box(run_util_function(uumain, &args));
     });
 }
 

src/uu/sort/locales/en-US.ftl

@@ -51,6 +51,22 @@ sort-error-write-failed = write failed: {$output}
 sort-failed-to-delete-temporary-directory = failed to delete temporary directory: {$error}
 sort-failed-to-set-up-signal-handler = failed to set up signal handler: {$error}
 
+# Warning messages
+sort-warning-failed-to-set-locale = failed to set locale
+sort-warning-simple-byte-comparison = text ordering performed using simple byte comparison
+sort-warning-key-zero-width = key {$key} has zero width and will be ignored
+sort-warning-key-numeric-spans-fields = key {$key} is numeric and spans multiple fields
+sort-warning-leading-blanks-significant = leading blanks are significant in key {$key}; consider also specifying 'b'
+sort-warning-numbers-use-decimal-point = numbers use '.' as a decimal point in this locale
+sort-warning-options-ignored = options '-{$options}' are ignored
+sort-warning-option-ignored = option '-{$option}' is ignored
+sort-warning-option-reverse-last-resort = option '-r' only applies to last-resort comparison
+sort-warning-obsolescent-key = obsolescent key '{$key}' used; consider '-k {$replacement}' instead
+sort-warning-separator-grouping = field separator '{$sep}' is treated as a group separator in numbers
+sort-warning-separator-decimal = field separator '{$sep}' is treated as a decimal point in numbers
+sort-warning-separator-minus = field separator '{$sep}' is treated as a minus sign in numbers
+sort-warning-separator-plus = field separator '{$sep}' is treated as a plus sign in numbers
+
 # Help messages
 sort-help-help = Print help information.
 sort-help-version = Print version information.