Merge pull request #8431 from sylvestre/clap-loca

l10n: add support for clap translations

.github/workflows/l10n.yml

@@ -129,6 +129,176 @@ jobs:
 
         echo "::notice::All Fluent files passed Mozilla Fluent Linter validation"
 
+  l10n_clap_error_localization:
+    name: L10n/Clap Error Localization Test
+    runs-on: ubuntu-latest
+    env:
+      SCCACHE_GHA_ENABLED: "true"
+      RUSTC_WRAPPER: "sccache"
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        persist-credentials: false
+    - uses: dtolnay/rust-toolchain@stable
+    - uses: Swatinem/rust-cache@v2
+    - name: Run sccache-cache
+      uses: mozilla-actions/sccache-action@v0.0.9
+    - name: Install/setup prerequisites
+      shell: bash
+      run: |
+        sudo apt-get -y update ; sudo apt-get -y install libselinux1-dev locales
+        sudo locale-gen --keep-existing fr_FR.UTF-8
+        locale -a | grep -i fr || exit 1
+    - name: Build coreutils with clap localization support
+      shell: bash
+      run: |
+        cargo build --features feat_os_unix --bin coreutils
+    - name: Test English clap error localization
+      shell: bash
+      run: |
+        export LANG=en_US.UTF-8
+        export LC_ALL=en_US.UTF-8
+
+        # Test invalid argument error - should show colored error message
+        echo "Testing invalid argument error..."
+        error_output=$(cargo run --features feat_os_unix --bin coreutils -- cp --invalid-arg 2>&1 || echo "Expected error occurred")
+        echo "Error output: $error_output"
+
+        # Check for expected English clap error patterns
+        english_errors_found=0
+
+        if echo "$error_output" | grep -q "error.*unexpected argument"; then
+          echo "✓ Found English clap error message pattern"
+          english_errors_found=$((english_errors_found + 1))
+        fi
+
+        if echo "$error_output" | grep -q "Usage:"; then
+          echo "✓ Found English usage pattern"
+          english_errors_found=$((english_errors_found + 1))
+        fi
+
+        if echo "$error_output" | grep -q "For more information.*--help"; then
+          echo "✓ Found English help suggestion"
+          english_errors_found=$((english_errors_found + 1))
+        fi
+
+        # Test typo suggestion
+        echo "Testing typo suggestion..."
+        typo_output=$(cargo run --features feat_os_unix --bin coreutils -- ls --verbos 2>&1 || echo "Expected error occurred")
+        echo "Typo output: $typo_output"
+
+        if echo "$typo_output" | grep -q "similar.*verbose"; then
+          echo "✓ Found English typo suggestion"
+          english_errors_found=$((english_errors_found + 1))
+        fi
+
+        echo "English clap errors found: $english_errors_found"
+        if [ "$english_errors_found" -ge 2 ]; then
+          echo "✓ SUCCESS: English clap error localization working"
+        else
+          echo "✗ ERROR: English clap error localization not working properly"
+          exit 1
+        fi
+      env:
+        RUST_BACKTRACE: "1"
+
+    - name: Test French clap error localization
+      shell: bash
+      run: |
+        export LANG=fr_FR.UTF-8
+        export LC_ALL=fr_FR.UTF-8
+
+        # Test invalid argument error - should show French colored error message
+        echo "Testing invalid argument error in French..."
+        error_output=$(cargo run --features feat_os_unix --bin coreutils -- cp --invalid-arg 2>&1 || echo "Expected error occurred")
+        echo "French error output: $error_output"
+
+        # Check for expected French clap error patterns
+        french_errors_found=0
+
+        if echo "$error_output" | grep -q "erreur.*argument inattendu"; then
+          echo "✓ Found French clap error message: 'erreur: argument inattendu'"
+          french_errors_found=$((french_errors_found + 1))
+        fi
+
+        if echo "$error_output" | grep -q "conseil.*pour passer.*comme valeur"; then
+          echo "✓ Found French tip message: 'conseil: pour passer ... comme valeur'"
+          french_errors_found=$((french_errors_found + 1))
+        fi
+
+        if echo "$error_output" | grep -q "Utilisation:"; then
+          echo "✓ Found French usage pattern: 'Utilisation:'"
+          french_errors_found=$((french_errors_found + 1))
+        fi
+
+        if echo "$error_output" | grep -q "Pour plus d'informations.*--help"; then
+          echo "✓ Found French help suggestion: 'Pour plus d'informations'"
+          french_errors_found=$((french_errors_found + 1))
+        fi
+
+        # Test typo suggestion in French
+        echo "Testing typo suggestion in French..."
+        typo_output=$(cargo run --features feat_os_unix --bin coreutils -- ls --verbos 2>&1 || echo "Expected error occurred")
+        echo "French typo output: $typo_output"
+
+        if echo "$typo_output" | grep -q "conseil.*similaire.*verbose"; then
+          echo "✓ Found French typo suggestion with 'conseil'"
+          french_errors_found=$((french_errors_found + 1))
+        fi
+
+        echo "French clap errors found: $french_errors_found"
+        if [ "$french_errors_found" -ge 2 ]; then
+          echo "✓ SUCCESS: French clap error localization working - found $french_errors_found French patterns"
+        else
+          echo "✗ ERROR: French clap error localization not working properly"
+          echo "Note: This might be expected if French common locale files are not available"
+          # Don't fail the build - French clap localization might not be fully set up yet
+          echo "::warning::French clap error localization not working, but continuing"
+        fi
+
+        # Test that colors are working (ANSI escape codes)
+        echo "Testing ANSI color codes in error output..."
+        if echo "$error_output" | grep -q $'\x1b\[3[0-7]m'; then
+          echo "✓ Found ANSI color codes in error output"
+        else
+          echo "✗ No ANSI color codes found - colors may not be working"
+          echo "::warning::ANSI color codes not detected in clap error output"
+        fi
+      env:
+        RUST_BACKTRACE: "1"
+
+    - name: Test clap localization with multiple utilities
+      shell: bash
+      run: |
+        export LANG=en_US.UTF-8
+        export LC_ALL=en_US.UTF-8
+
+        utilities_to_test=("ls" "cat" "touch" "cp" "mv")
+        utilities_passed=0
+
+        for util in "${utilities_to_test[@]}"; do
+          echo "Testing $util with invalid argument..."
+          util_error=$(cargo run --features feat_os_unix --bin coreutils -- "$util" --nonexistent-flag 2>&1 || echo "Expected error occurred")
+
+          if echo "$util_error" | grep -q "error.*unexpected argument"; then
+            echo "✓ $util: clap localization working"
+            utilities_passed=$((utilities_passed + 1))
+          else
+            echo "✗ $util: clap localization not working"
+            echo "Output: $util_error"
+          fi
+        done
+
+        echo "Utilities with working clap localization: $utilities_passed/${#utilities_to_test[@]}"
+        if [ "$utilities_passed" -ge 3 ]; then
+          echo "✓ SUCCESS: Clap localization working across multiple utilities"
+        else
+          echo "✗ ERROR: Clap localization not working for enough utilities"
+          exit 1
+        fi
+      env:
+        RUST_BACKTRACE: "1"
+
   l10n_french_integration:
     name: L10n/French Integration Test
     runs-on: ubuntu-latest

.vscode/cSpell.json

@@ -27,7 +27,8 @@
     "src/uu/dd/test-resources/**",
     "vendor/**",
     "**/*.svg",
-    "src/uu/*/locales/*.ftl"
+    "src/uu/*/locales/*.ftl",
+    "src/uucore/locales/*.ftl"
   ],
 
   "enableGlobDot": true,

GNUmakefile

@@ -418,6 +418,14 @@ endif
 
 ifeq ($(LOCALES),y)
 locales:
+	@# Copy uucore common locales
+	@if [ -d "$(BASEDIR)/src/uucore/locales" ]; then \
+		mkdir -p "$(BUILDDIR)/locales/uucore"; \
+		for locale_file in "$(BASEDIR)"/src/uucore/locales/*.ftl; do \
+			$(INSTALL) -v "$$locale_file" "$(BUILDDIR)/locales/uucore/"; \
+		done; \
+	fi; \
+	# Copy utility-specific locales
 	@for prog in $(INSTALLEES); do \
 		if [ -d "$(BASEDIR)/src/uu/$$prog/locales" ]; then \
 			mkdir -p "$(BUILDDIR)/locales/$$prog"; \

src/uu/arch/src/arch.rs

@@ -6,12 +6,13 @@
 use platform_info::*;
 
 use clap::Command;
+use uucore::LocalizedCommand;
 use uucore::error::{UResult, USimpleError};
 use uucore::translate;
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    uu_app().try_get_matches_from(args)?;
+    uu_app().get_matches_from_localized(args);
 
     let uts =
         PlatformInfo::new().map_err(|_e| USimpleError::new(1, translate!("cannot-get-system")))?;
@@ -23,6 +24,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("arch-about"))
         .after_help(translate!("arch-after-help"))
         .infer_long_args(true)

src/uu/base32/src/base_common.rs

@@ -9,12 +9,12 @@ use clap::{Arg, ArgAction, Command};
 use std::fs::File;
 use std::io::{self, ErrorKind, Read, Seek, SeekFrom};
 use std::path::{Path, PathBuf};
+use uucore::LocalizedCommand;
 use uucore::display::Quotable;
 use uucore::encoding::{
-    BASE2LSBF, BASE2MSBF, Format, Z85Wrapper,
+    BASE2LSBF, BASE2MSBF, EncodingWrapper, Format, SupportsFastDecodeAndEncode, Z85Wrapper,
     for_base_common::{BASE32, BASE32HEX, BASE64, BASE64_NOPAD, BASE64URL, HEXUPPER_PERMISSIVE},
 };
-use uucore::encoding::{EncodingWrapper, SupportsFastDecodeAndEncode};
 use uucore::error::{FromIo, UResult, USimpleError, UUsageError};
 use uucore::format_usage;
 use uucore::translate;
@@ -100,12 +100,14 @@ pub fn parse_base_cmd_args(
     usage: &str,
 ) -> UResult<Config> {
     let command = base_app(about, usage);
-    Config::from(&command.try_get_matches_from(args)?)
+    let matches = command.get_matches_from_localized(args);
+    Config::from(&matches)
 }
 
 pub fn base_app(about: &'static str, usage: &str) -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(about)
         .override_usage(format_usage(usage))
         .infer_long_args(true)

src/uu/basename/src/basename.rs

@@ -15,6 +15,7 @@ use uucore::error::{UResult, UUsageError};
 use uucore::format_usage;
 use uucore::line_ending::LineEnding;
 
+use uucore::LocalizedCommand;
 use uucore::translate;
 
 pub mod options {
@@ -29,7 +30,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     //
     // Argument parsing
     //
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let line_ending = LineEnding::from_zero_flag(matches.get_flag(options::ZERO));
 
@@ -81,6 +82,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("basename-about"))
         .override_usage(format_usage(&translate!("basename-usage")))
         .infer_long_args(true)

src/uu/cat/src/cat.rs

@@ -22,6 +22,7 @@ use std::os::unix::fs::FileTypeExt;
 #[cfg(unix)]
 use std::os::unix::net::UnixStream;
 use thiserror::Error;
+use uucore::LocalizedCommand;
 use uucore::display::Quotable;
 use uucore::error::UResult;
 #[cfg(not(target_os = "windows"))]
@@ -230,7 +231,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         libc::signal(libc::SIGPIPE, libc::SIG_DFL);
     }
 
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let number_mode = if matches.get_flag(options::NUMBER_NONBLANK) {
         NumberingMode::NonEmpty
@@ -286,6 +287,7 @@ pub fn uu_app() -> Command {
         .version(uucore::crate_version!())
         .override_usage(format_usage(&translate!("cat-usage")))
         .about(translate!("cat-about"))
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .infer_long_args(true)
         .args_override_self(true)
         .arg(

src/uu/chcon/src/chcon.rs

@@ -7,6 +7,7 @@
 #![allow(clippy::upper_case_acronyms)]
 
 use clap::builder::ValueParser;
+use uucore::LocalizedCommand;
 use uucore::error::{UResult, USimpleError, UUsageError};
 use uucore::translate;
 use uucore::{display::Quotable, format_usage, show_error, show_warning};
@@ -156,6 +157,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("chcon-about"))
         .override_usage(format_usage(&translate!("chcon-usage")))
         .infer_long_args(true)
@@ -303,7 +305,7 @@ struct Options {
 }
 
 fn parse_command_line(config: Command, args: impl uucore::Args) -> Result<Options> {
-    let matches = config.try_get_matches_from(args)?;
+    let matches = config.get_matches_from_localized(args);
 
     let verbose = matches.get_flag(options::VERBOSE);
 

src/uu/chgrp/src/chgrp.rs

@@ -99,6 +99,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("chgrp-about"))
         .override_usage(format_usage(&translate!("chgrp-usage")))
         .infer_long_args(true)

src/uu/chmod/src/chmod.rs

@@ -11,6 +11,7 @@ use std::fs;
 use std::os::unix::fs::{MetadataExt, PermissionsExt};
 use std::path::Path;
 use thiserror::Error;
+use uucore::LocalizedCommand;
 use uucore::display::Quotable;
 use uucore::error::{ExitCode, UError, UResult, USimpleError, UUsageError, set_exit_code};
 use uucore::fs::display_permissions_unix;
@@ -112,7 +113,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
     let (parsed_cmode, args) = extract_negative_modes(args.skip(1)); // skip binary name
     let matches = uu_app()
         .after_help(translate!("chmod-after-help"))
-        .try_get_matches_from(args)?;
+        .get_matches_from_localized(args);
 
     let changes = matches.get_flag(options::CHANGES);
     let quiet = matches.get_flag(options::QUIET);
@@ -177,6 +178,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("chmod-about"))
         .override_usage(format_usage(&translate!("chmod-usage")))
         .args_override_self(true)

src/uu/chown/src/chown.rs

@@ -77,6 +77,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("chown-about"))
         .override_usage(format_usage(&translate!("chown-usage")))
         .infer_long_args(true)

src/uu/chroot/src/chroot.rs

@@ -236,6 +236,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("chroot-about"))
         .override_usage(format_usage(&translate!("chroot-usage")))
         .infer_long_args(true)

src/uu/cksum/src/cksum.rs

@@ -20,6 +20,7 @@ use uucore::checksum::{
 };
 use uucore::translate;
 
+use uucore::LocalizedCommand;
 use uucore::{
     encoding,
     error::{FromIo, UResult, USimpleError},
@@ -236,7 +237,7 @@ fn handle_tag_text_binary_flags<S: AsRef<OsStr>>(
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let check = matches.get_flag(options::CHECK);
 
@@ -343,6 +344,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("cksum-about"))
         .override_usage(format_usage(&translate!("cksum-usage")))
         .infer_long_args(true)

src/uu/comm/src/comm.rs

@@ -8,6 +8,7 @@
 use std::cmp::Ordering;
 use std::fs::{File, metadata};
 use std::io::{self, BufRead, BufReader, Read, Stdin, stdin};
+use uucore::LocalizedCommand;
 use uucore::error::{FromIo, UResult, USimpleError};
 use uucore::format_usage;
 use uucore::fs::paths_refer_to_same_file;
@@ -280,7 +281,7 @@ fn open_file(name: &str, line_ending: LineEnding) -> io::Result<LineReader> {
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
     let line_ending = LineEnding::from_zero_flag(matches.get_flag(options::ZERO_TERMINATED));
     let filename1 = matches.get_one::<String>(options::FILE_1).unwrap();
     let filename2 = matches.get_one::<String>(options::FILE_2).unwrap();
@@ -315,6 +316,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("comm-about"))
         .override_usage(format_usage(&translate!("comm-usage")))
         .infer_long_args(true)

src/uu/cp/src/cp.rs

@@ -13,6 +13,7 @@ use std::fs::{self, Metadata, OpenOptions, Permissions};
 use std::os::unix::fs::{FileTypeExt, PermissionsExt};
 use std::path::{Path, PathBuf, StripPrefixError};
 use std::{fmt, io};
+use uucore::LocalizedCommand;
 #[cfg(all(unix, not(target_os = "android")))]
 use uucore::fsxattr::copy_xattrs;
 use uucore::translate;
@@ -520,6 +521,7 @@ pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
         .about(translate!("cp-about"))
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .override_usage(format_usage(&translate!("cp-usage")))
         .after_help(format!(
             "{}\n\n{}",
@@ -778,7 +780,7 @@ pub fn uu_app() -> Command {
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let options = Options::from_matches(&matches)?;
 

src/uu/csplit/src/csplit.rs

@@ -25,6 +25,7 @@ mod split_name;
 use crate::csplit_error::CsplitError;
 use crate::split_name::SplitName;
 
+use uucore::LocalizedCommand;
 use uucore::translate;
 
 mod options {
@@ -604,7 +605,7 @@ where
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     // get the file to split
     let file_name = matches.get_one::<String>(options::FILE).unwrap();
@@ -629,6 +630,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("csplit-about"))
         .override_usage(format_usage(&translate!("csplit-usage")))
         .args_override_self(true)

src/uu/cut/src/cut.rs

@@ -18,6 +18,7 @@ use uucore::os_str_as_bytes;
 
 use self::searcher::Searcher;
 use matcher::{ExactMatcher, Matcher, WhitespaceMatcher};
+use uucore::LocalizedCommand;
 use uucore::ranges::Range;
 use uucore::translate;
 use uucore::{format_usage, show_error, show_if_err};
@@ -482,7 +483,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
         })
         .collect();
 
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let complement = matches.get_flag(options::COMPLEMENT);
     let only_delimited = matches.get_flag(options::ONLY_DELIMITED);
@@ -594,6 +595,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .override_usage(format_usage(&translate!("cut-usage")))
         .about(translate!("cut-about"))
         .after_help(translate!("cut-after-help"))

src/uu/date/src/date.rs

@@ -21,6 +21,7 @@ use uucore::{format_usage, show};
 #[cfg(windows)]
 use windows_sys::Win32::{Foundation::SYSTEMTIME, System::SystemInformation::SetSystemTime};
 
+use uucore::LocalizedCommand;
 use uucore::parser::shortcut_value_parser::ShortcutValueParser;
 
 // Options
@@ -111,7 +112,7 @@ impl From<&str> for Rfc3339Format {
 #[uucore::main]
 #[allow(clippy::cognitive_complexity)]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let format = if let Some(form) = matches.get_one::<String>(OPT_FORMAT) {
         if !form.starts_with('+') {
@@ -264,6 +265,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("date-about"))
         .override_usage(format_usage(&translate!("date-usage")))
         .infer_long_args(true)

src/uu/dd/src/dd.rs

@@ -55,6 +55,7 @@ use nix::{
     errno::Errno,
     fcntl::{PosixFadviseAdvice, posix_fadvise},
 };
+use uucore::LocalizedCommand;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UResult};
 #[cfg(unix)]
@@ -1415,7 +1416,7 @@ fn is_fifo(filename: &str) -> bool {
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     let settings: Settings = Parser::new().parse(
         matches
@@ -1442,6 +1443,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("dd-about"))
         .override_usage(format_usage(&translate!("dd-usage")))
         .after_help(translate!("dd-after-help"))

src/uu/df/src/df.rs

@@ -11,6 +11,7 @@ mod table;
 use blocks::HumanReadable;
 use clap::builder::ValueParser;
 use table::HeaderMode;
+use uucore::LocalizedCommand;
 use uucore::display::Quotable;
 use uucore::error::{UError, UResult, USimpleError, get_exit_code};
 use uucore::fsext::{MountInfo, read_fs_list};
@@ -406,7 +407,7 @@ impl UError for DfError {
 
 #[uucore::main]
 pub fn uumain(args: impl uucore::Args) -> UResult<()> {
-    let matches = uu_app().try_get_matches_from(args)?;
+    let matches = uu_app().get_matches_from_localized(args);
 
     #[cfg(windows)]
     {
@@ -462,6 +463,7 @@ pub fn uumain(args: impl uucore::Args) -> UResult<()> {
 pub fn uu_app() -> Command {
     Command::new(uucore::util_name())
         .version(uucore::crate_version!())
+        .help_template(uucore::localized_help_template(uucore::util_name()))
         .about(translate!("df-about"))
         .override_usage(format_usage(&translate!("df-usage")))
         .after_help(translate!("df-after-help"))