uu: use normal use declarations to import macros

src/uu/cp/src/copydir.rs

@@ -18,6 +18,9 @@ use indicatif::ProgressBar;
 use uucore::display::Quotable;
 use uucore::error::UIoError;
 use uucore::fs::{canonicalize, FileInformation, MissingHandling, ResolveMode};
+use uucore::show;
+use uucore::show_error;
+use uucore::uio_error;
 use walkdir::{DirEntry, WalkDir};
 
 use crate::{

src/uu/cp/src/cp.rs

@@ -11,11 +11,7 @@
 
 // spell-checker:ignore (ToDO) copydir ficlone fiemap ftruncate linkgs lstat nlink nlinks pathbuf pwrite reflink strs xattrs symlinked deduplicated advcpmv
 
-#[macro_use]
-extern crate quick_error;
-#[macro_use]
-extern crate uucore;
-
+use quick_error::quick_error;
 use std::borrow::Cow;
 use std::collections::HashSet;
 use std::env;
@@ -40,10 +36,10 @@ use quick_error::ResultExt;
 use uucore::backup_control::{self, BackupMode};
 use uucore::display::Quotable;
 use uucore::error::{set_exit_code, UClapError, UError, UResult, UUsageError};
-use uucore::format_usage;
 use uucore::fs::{
     canonicalize, paths_refer_to_same_file, FileInformation, MissingHandling, ResolveMode,
 };
+use uucore::{crash, crash_if_err, format_usage, show_error, show_warning};
 
 mod copydir;
 use crate::copydir::copy_directory;

src/uu/csplit/src/csplit.rs

@@ -2,9 +2,6 @@
 // spell-checker:ignore rustdoc
 #![allow(rustdoc::private_intra_doc_links)]
 
-#[macro_use]
-extern crate uucore;
-
 use std::cmp::Ordering;
 use std::io::{self, BufReader};
 use std::{
@@ -16,7 +13,7 @@ use clap::{crate_version, Arg, ArgAction, ArgMatches, Command};
 use regex::Regex;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UResult};
-use uucore::format_usage;
+use uucore::{crash_if_err, format_usage};
 
 mod csplit_error;
 mod patterns;

src/uu/csplit/src/patterns.rs

@@ -2,6 +2,7 @@
 
 use crate::csplit_error::CsplitError;
 use regex::Regex;
+use uucore::show_warning;
 
 /// The definition of a pattern to match on a line.
 #[derive(Debug)]

src/uu/cut/src/cut.rs

@@ -7,9 +7,6 @@
 
 // spell-checker:ignore (ToDO) delim sourcefiles
 
-#[macro_use]
-extern crate uucore;
-
 use bstr::io::BufReadExt;
 use clap::{crate_version, Arg, ArgAction, Command};
 use std::fs::File;
@@ -19,8 +16,8 @@ use uucore::display::Quotable;
 use uucore::error::{FromIo, UResult, USimpleError};
 
 use self::searcher::Searcher;
-use uucore::format_usage;
 use uucore::ranges::Range;
+use uucore::{format_usage, show, show_error, show_if_err};
 
 mod searcher;
 

src/uu/du/src/du.rs

@@ -5,9 +5,6 @@
 //  * For the full copyright and license information, please view the LICENSE
 //  * file that was distributed with this source code.
 
-#[macro_use]
-extern crate uucore;
-
 use chrono::prelude::DateTime;
 use chrono::Local;
 use clap::ArgAction;
@@ -37,9 +34,9 @@ use std::{error::Error, fmt::Display};
 use uucore::display::{print_verbatim, Quotable};
 use uucore::error::FromIo;
 use uucore::error::{UError, UResult};
-use uucore::format_usage;
 use uucore::parse_glob;
 use uucore::parse_size::{parse_size, ParseSizeError};
+use uucore::{crash, format_usage, show, show_error, show_warning};
 #[cfg(windows)]
 use windows_sys::Win32::Foundation::HANDLE;
 #[cfg(windows)]

src/uu/env/src/env.rs

@@ -10,13 +10,7 @@
 
 // spell-checker:ignore (ToDO) chdir execvp progname subcommand subcommands unsets setenv putenv spawnp SIGSEGV SIGBUS sigaction
 
-#[macro_use]
-extern crate clap;
-
-#[macro_use]
-extern crate uucore;
-
-use clap::{Arg, ArgAction, Command};
+use clap::{crate_name, crate_version, Arg, ArgAction, Command};
 use ini::Ini;
 #[cfg(unix)]
 use nix::sys::signal::{raise, sigaction, SaFlags, SigAction, SigHandler, SigSet, Signal};
@@ -29,7 +23,7 @@ use std::os::unix::process::ExitStatusExt;
 use std::process;
 use uucore::display::Quotable;
 use uucore::error::{UClapError, UResult, USimpleError, UUsageError};
-use uucore::format_usage;
+use uucore::{format_usage, show_warning};
 
 const ABOUT: &str = "set each NAME to VALUE in the environment and run COMMAND";
 const USAGE: &str = "{} [OPTION]... [-] [NAME=VALUE]... [COMMAND [ARG]...]";

src/uu/expand/src/expand.rs

@@ -9,9 +9,6 @@
 
 // spell-checker:ignore (ToDO) ctype cwidth iflag nbytes nspaces nums tspaces uflag Preprocess
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, ArgMatches, Command};
 use std::error::Error;
 use std::fmt;
@@ -22,7 +19,7 @@ use std::str::from_utf8;
 use unicode_width::UnicodeWidthChar;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult};
-use uucore::format_usage;
+use uucore::{crash, format_usage};
 
 static ABOUT: &str = "Convert tabs in each FILE to spaces, writing to standard output.
  With no FILE, or when FILE is -, read standard input.";

src/uu/factor/src/cli.rs

@@ -6,9 +6,6 @@
 // * For the full copyright and license information, please view the LICENSE file
 // * that was distributed with this source code.
 
-#[macro_use]
-extern crate uucore;
-
 use std::error::Error;
 use std::fmt::Write as FmtWrite;
 use std::io::BufRead;
@@ -19,6 +16,7 @@ use clap::{crate_version, Arg, ArgAction, Command};
 pub use factor::*;
 use uucore::display::Quotable;
 use uucore::error::UResult;
+use uucore::{show_error, show_warning};
 
 mod miller_rabin;
 pub mod numeric;

src/uu/fmt/src/fmt.rs

@@ -7,9 +7,6 @@
 
 // spell-checker:ignore (ToDO) PSKIP linebreak ostream parasplit tabwidth xanti xprefix
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, Command};
 use std::cmp;
 use std::fs::File;
@@ -17,7 +14,7 @@ use std::io::{stdin, stdout, Write};
 use std::io::{BufReader, BufWriter, Read};
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UResult, USimpleError};
-use uucore::format_usage;
+use uucore::{format_usage, show_warning};
 
 use self::linebreak::break_lines;
 use self::parasplit::ParagraphStream;

src/uu/fmt/src/linebreak.rs

@@ -12,6 +12,8 @@ use std::i64;
 use std::io::{BufWriter, Stdout, Write};
 use std::mem;
 
+use uucore::crash;
+
 use crate::parasplit::{ParaWords, Paragraph, WordInfo};
 use crate::FmtOptions;
 

src/uu/groups/src/groups.rs

@@ -15,15 +15,13 @@
 
 // spell-checker:ignore (ToDO) passwd
 
-#[macro_use]
-extern crate uucore;
 use std::error::Error;
 use std::fmt::Display;
 use uucore::{
     display::Quotable,
     entries::{get_groups_gnu, gid2grp, Locate, Passwd},
     error::{UError, UResult},
-    format_usage,
+    format_usage, show,
 };
 
 use clap::{crate_version, Arg, ArgAction, Command};

src/uu/hashsum/src/digest.rs

@@ -6,12 +6,6 @@
 //! [`DigestWriter`] struct provides a wrapper around [`Digest`] that
 //! implements the [`Write`] trait, for use in situations where calling
 //! [`write`] would be useful.
-extern crate digest;
-extern crate md5;
-extern crate sha1;
-extern crate sha2;
-extern crate sha3;
-
 use std::io::Write;
 
 use hex::encode;

src/uu/hashsum/src/hashsum.rs

@@ -9,18 +9,13 @@
 
 // spell-checker:ignore (ToDO) algo, algoname, regexes, nread, nonames
 
-#[macro_use]
-extern crate clap;
-
-#[macro_use]
-extern crate uucore;
-
 mod digest;
 
 use self::digest::Digest;
 use self::digest::DigestWriter;
 
 use clap::builder::ValueParser;
+use clap::crate_version;
 use clap::ArgAction;
 use clap::{Arg, ArgMatches, Command};
 use hex::encode;
@@ -37,8 +32,10 @@ use std::io::{self, stdin, BufRead, BufReader, Read};
 use std::iter;
 use std::num::ParseIntError;
 use std::path::Path;
+use uucore::crash;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult};
+use uucore::show_warning;
 
 const NAME: &str = "hashsum";
 

src/uu/id/src/id.rs

@@ -36,19 +36,16 @@
 #![allow(non_camel_case_types)]
 #![allow(dead_code)]
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, Command};
 use std::ffi::CStr;
 use uucore::display::Quotable;
 use uucore::entries::{self, Group, Locate, Passwd};
 use uucore::error::UResult;
 use uucore::error::{set_exit_code, USimpleError};
-use uucore::format_usage;
 pub use uucore::libc;
 use uucore::libc::{getlogin, uid_t};
 use uucore::process::{getegid, geteuid, getgid, getuid};
+use uucore::{format_usage, show_error};
 
 macro_rules! cstr2cow {
     ($v:expr) => {

src/uu/install/src/install.rs

@@ -9,9 +9,6 @@
 
 mod mode;
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, ArgMatches, Command};
 use file_diff::diff;
 use filetime::{set_file_times, FileTime};
@@ -19,10 +16,10 @@ use uucore::backup_control::{self, BackupMode};
 use uucore::display::Quotable;
 use uucore::entries::{grp2gid, usr2uid};
 use uucore::error::{FromIo, UError, UIoError, UResult, UUsageError};
-use uucore::format_usage;
 use uucore::fs::dir_strip_dot_for_creation;
 use uucore::mode::get_umask;
 use uucore::perms::{wrap_chown, Verbosity, VerbosityLevel};
+use uucore::{format_usage, show, show_error, show_if_err, uio_error};
 
 use libc::{getegid, geteuid};
 use std::error::Error;

src/uu/install/src/mode.rs

@@ -22,7 +22,7 @@ pub fn parse(mode_string: &str, considering_dir: bool, umask: u32) -> Result<u32
 #[cfg(any(unix, target_os = "redox"))]
 pub fn chmod(path: &Path, mode: u32) -> Result<(), ()> {
     use std::os::unix::fs::PermissionsExt;
-    use uucore::display::Quotable;
+    use uucore::{display::Quotable, show_error};
     fs::set_permissions(path, fs::Permissions::from_mode(mode)).map_err(|err| {
         show_error!("{}: chmod failed with error {}", path.maybe_quote(), err);
     })

src/uu/join/src/join.rs

@@ -7,9 +7,6 @@
 
 // spell-checker:ignore (ToDO) autoformat FILENUM whitespaces pairable unpairable nocheck
 
-#[macro_use]
-extern crate uucore;
-
 use clap::builder::ValueParser;
 use clap::{crate_version, Arg, ArgAction, Command};
 use memchr::{memchr3_iter, memchr_iter};
@@ -25,6 +22,7 @@ use std::num::IntErrorKind;
 use std::os::unix::ffi::OsStrExt;
 use uucore::display::Quotable;
 use uucore::error::{set_exit_code, UError, UResult, USimpleError};
+use uucore::{crash, crash_if_err};
 
 static NAME: &str = "join";
 

src/uu/kill/src/kill.rs

@@ -7,17 +7,14 @@
 
 // spell-checker:ignore (ToDO) signalname pids killpg
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, Command};
 use nix::sys::signal::{self, Signal};
 use nix::unistd::Pid;
 use std::io::Error;
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult, USimpleError};
-use uucore::format_usage;
 use uucore::signals::{signal_by_name_or_value, ALL_SIGNALS};
+use uucore::{format_usage, show};
 
 static ABOUT: &str = "Send signal to processes or list information about signals.";
 const USAGE: &str = "{} [OPTIONS]... PID...";

src/uu/ln/src/ln.rs

@@ -7,14 +7,11 @@
 
 // spell-checker:ignore (ToDO) srcpath targetpath EEXIST
 
-#[macro_use]
-extern crate uucore;
-
 use clap::{crate_version, Arg, ArgAction, Command};
 use uucore::display::Quotable;
 use uucore::error::{FromIo, UError, UResult};
-use uucore::format_usage;
 use uucore::fs::{make_path_relative_to, paths_refer_to_same_file};
+use uucore::{format_usage, show_error};
 
 use std::borrow::Cow;
 use std::error::Error;