l10n: port chgrp for translation + add french

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

@@ -1,3 +1,20 @@
 chgrp-about = Change the group of each FILE to GROUP.
 chgrp-usage = chgrp [OPTION]... GROUP FILE...
   chgrp [OPTION]... --reference=RFILE FILE...
+
+# Help messages
+chgrp-help-print-help = Print help information.
+chgrp-help-changes = like verbose but report only when a change is made
+chgrp-help-quiet = suppress most error messages
+chgrp-help-verbose = output a diagnostic for every file processed
+chgrp-help-preserve-root = fail to operate recursively on '/'
+chgrp-help-no-preserve-root = do not treat '/' specially (the default)
+chgrp-help-reference = use RFILE's group rather than specifying GROUP values
+chgrp-help-from = change the group only if its current group matches GROUP
+chgrp-help-recursive = operate on files and directories recursively
+
+# Error messages
+chgrp-error-invalid-group-id = invalid group id: '{ $gid_str }'
+chgrp-error-invalid-group = invalid group: '{ $group }'
+chgrp-error-failed-to-get-attributes = failed to get attributes of { $file }
+chgrp-error-invalid-user = invalid user: '{ $from_group }'

src/uu/chgrp/locales/fr-FR.ftl

@@ -0,0 +1,20 @@
+chgrp-about = Changer le groupe de chaque FICHIER vers GROUPE.
+chgrp-usage = chgrp [OPTION]... GROUPE FICHIER...
+  chgrp [OPTION]... --reference=RFICHIER FICHIER...
+
+# Messages d'aide
+chgrp-help-print-help = Afficher les informations d'aide.
+chgrp-help-changes = comme verbeux mais rapporter seulement lors d'un changement
+chgrp-help-quiet = supprimer la plupart des messages d'erreur
+chgrp-help-verbose = afficher un diagnostic pour chaque fichier traité
+chgrp-help-preserve-root = échouer à opérer récursivement sur '/'
+chgrp-help-no-preserve-root = ne pas traiter '/' spécialement (par défaut)
+chgrp-help-reference = utiliser le groupe de RFICHIER plutôt que spécifier les valeurs de GROUPE
+chgrp-help-from = changer le groupe seulement si son groupe actuel correspond à GROUPE
+chgrp-help-recursive = opérer sur les fichiers et répertoires récursivement
+
+# Messages d'erreur
+chgrp-error-invalid-group-id = identifiant de groupe invalide : '{ $gid_str }'
+chgrp-error-invalid-group = groupe invalide : '{ $group }'
+chgrp-error-failed-to-get-attributes = échec de l'obtention des attributs de { $file }
+chgrp-error-invalid-user = utilisateur invalide : '{ $from_group }'

src/uu/chgrp/src/chgrp.rs

@@ -12,26 +12,33 @@
 use uucore::perms::{GidUidOwnerFilter, IfFrom, chown_base, options};
 
 use clap::{Arg, ArgAction, ArgMatches, Command};
+use std::collections::HashMap;
 
 use std::fs;
 use std::os::unix::fs::MetadataExt;
 
-use uucore::locale::get_message;
+use uucore::locale::{get_message, get_message_with_args};
 
 fn parse_gid_from_str(group: &str) -> Result<u32, String> {
     if let Some(gid_str) = group.strip_prefix(':') {
         // Handle :gid format
-        gid_str
-            .parse::<u32>()
-            .map_err(|_| format!("invalid group id: '{gid_str}'"))
+        gid_str.parse::<u32>().map_err(|_| {
+            get_message_with_args(
+                "chgrp-error-invalid-group-id",
+                HashMap::from([("gid_str".to_string(), gid_str.to_string())]),
+            )
+        })
     } else {
         // Try as group name first
         match entries::grp2gid(group) {
             Ok(g) => Ok(g),
             // If group name lookup fails, try parsing as raw number
-            Err(_) => group
-                .parse::<u32>()
-                .map_err(|_| format!("invalid group: '{group}'")),
+            Err(_) => group.parse::<u32>().map_err(|_| {
+                get_message_with_args(
+                    "chgrp-error-invalid-group",
+                    HashMap::from([("group".to_string(), group.to_string())]),
+                )
+            }),
         }
     }
 }
@@ -45,7 +52,12 @@
                 raw_group = entries::gid2grp(gid).unwrap_or_else(|_| gid.to_string());
                 Some(gid)
             })
-            .map_err_context(|| format!("failed to get attributes of {}", file.quote()))?
+            .map_err_context(|| {
+                get_message_with_args(
+                    "chgrp-error-failed-to-get-attributes",
+                    HashMap::from([("file".to_string(), file.quote().to_string())]),
+                )
+            })?
     } else {
         let group = matches
             .get_one::<String>(options::ARG_GROUP)
@@ -74,7 +86,10 @@
             Err(_) => {
                 return Err(USimpleError::new(
                     1,
-                    format!("invalid user: '{from_group}'"),
+                    get_message_with_args(
+                        "chgrp-error-invalid-user",
+                        HashMap::from([("from_group".to_string(), from_group.to_string())]),
+                    ),
                 ));
             }
         }
@@ -105,14 +120,14 @@
         .arg(
             Arg::new(options::HELP)
                 .long(options::HELP)
-                .help("Print help information.")
+                .help(get_message("chgrp-help-print-help"))
                 .action(ArgAction::Help),
         )
         .arg(
             Arg::new(options::verbosity::CHANGES)
                 .short('c')
                 .long(options::verbosity::CHANGES)
-                .help("like verbose but report only when a change is made")
+                .help(get_message("chgrp-help-changes"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
@@ -124,46 +139,46 @@
         .arg(
             Arg::new(options::verbosity::QUIET)
                 .long(options::verbosity::QUIET)
-                .help("suppress most error messages")
+                .help(get_message("chgrp-help-quiet"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(options::verbosity::VERBOSE)
                 .short('v')
                 .long(options::verbosity::VERBOSE)
-                .help("output a diagnostic for every file processed")
+                .help(get_message("chgrp-help-verbose"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(options::preserve_root::PRESERVE)
                 .long(options::preserve_root::PRESERVE)
-                .help("fail to operate recursively on '/'")
+                .help(get_message("chgrp-help-preserve-root"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(options::preserve_root::NO_PRESERVE)
                 .long(options::preserve_root::NO_PRESERVE)
-                .help("do not treat '/' specially (the default)")
+                .help(get_message("chgrp-help-no-preserve-root"))
                 .action(ArgAction::SetTrue),
         )
         .arg(
             Arg::new(options::REFERENCE)
                 .long(options::REFERENCE)
                 .value_name("RFILE")
                 .value_hint(clap::ValueHint::FilePath)
-                .help("use RFILE's group rather than specifying GROUP values"),
+                .help(get_message("chgrp-help-reference")),
         )
         .arg(
             Arg::new(options::FROM)
                 .long(options::FROM)
                 .value_name("GROUP")
-                .help("change the group only if its current group matches GROUP"),
+                .help(get_message("chgrp-help-from")),
         )
         .arg(
             Arg::new(options::RECURSIVE)
                 .short('R')
                 .long(options::RECURSIVE)
-                .help("operate on files and directories recursively")
+                .help(get_message("chgrp-help-recursive"))
                 .action(ArgAction::SetTrue),
         )
         // Add common arguments with chgrp, chown & chmod