use clap::crate_version macro instead of the env variable

src/uu/arch/src/arch.rs

@@ -11,15 +11,14 @@ extern crate uucore;
 
 use platform_info::*;
 
-use clap::App;
+use clap::{crate_version, App};
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "Display machine architecture";
 static SUMMARY: &str = "Determine architecture name for current machine.";
 
 pub fn uumain(args: impl uucore::Args) -> i32 {
     App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .after_help(SUMMARY)
         .get_matches_from(args);

src/uu/basename/src/basename.rs

@@ -10,11 +10,10 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::path::{is_separator, PathBuf};
 use uucore::InvalidEncodingHandling;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SUMMARY: &str = "Print NAME with any leading directory components removed
 If specified, also remove a trailing SUFFIX";
 
@@ -42,7 +41,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     // Argument parsing
     //
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(SUMMARY)
         .usage(&usage[..])
         .arg(

src/uu/cat/src/cat.rs

@@ -16,7 +16,7 @@ extern crate unix_socket;
 extern crate uucore;
 
 // last synced with: cat (GNU coreutils) 8.13
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::fs::{metadata, File};
 use std::io::{self, Read, Write};
 use thiserror::Error;
@@ -38,7 +38,6 @@ use unix_socket::UnixStream;
 use uucore::InvalidEncodingHandling;
 
 static NAME: &str = "cat";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SYNTAX: &str = "[OPTION]... [FILE]...";
 static SUMMARY: &str = "Concatenate FILE(s), or standard input, to standard output
  With no FILE, or when FILE is -, read standard input.";
@@ -173,7 +172,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
 
     let matches = App::new(executable!())
         .name(NAME)
-        .version(VERSION)
+        .version(crate_version!())
         .usage(SYNTAX)
         .about(SUMMARY)
         .arg(Arg::with_name(options::FILE).hidden(true).multiple(true))

src/uu/chmod/src/chmod.rs

@@ -10,7 +10,7 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::fs;
 use std::os::unix::fs::{MetadataExt, PermissionsExt};
 use std::path::Path;
@@ -21,7 +21,6 @@ use uucore::mode;
 use uucore::InvalidEncodingHandling;
 use walkdir::WalkDir;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "Change the mode of each FILE to MODE.
  With --reference, change the mode of each FILE to that of RFILE.";
 
@@ -63,7 +62,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let after_help = get_long_usage();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .after_help(&after_help[..])

src/uu/chown/src/chown.rs

@@ -14,7 +14,7 @@ use uucore::fs::resolve_relative_path;
 use uucore::libc::{gid_t, uid_t};
 use uucore::perms::{wrap_chown, Verbosity};
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 
 use walkdir::WalkDir;
 
@@ -26,7 +26,6 @@ use std::path::Path;
 use uucore::InvalidEncodingHandling;
 
 static ABOUT: &str = "change file owner and group";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 
 pub mod options {
     pub mod verbosity {
@@ -75,7 +74,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .arg(

src/uu/chroot/src/chroot.rs

@@ -10,7 +10,7 @@
 
 #[macro_use]
 extern crate uucore;
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::ffi::CString;
 use std::io::Error;
 use std::path::Path;
@@ -18,7 +18,6 @@ use std::process::Command;
 use uucore::libc::{self, chroot, setgid, setgroups, setuid};
 use uucore::{entries, InvalidEncodingHandling};
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static NAME: &str = "chroot";
 static ABOUT: &str = "Run COMMAND with root directory set to NEWROOT.";
 static SYNTAX: &str = "[OPTION]... NEWROOT [COMMAND [ARG]...]";
@@ -37,7 +36,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         .accept_any();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(SYNTAX)
         .arg(Arg::with_name(options::NEWROOT).hidden(true).required(true))

src/uu/cksum/src/cksum.rs

@@ -10,7 +10,7 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::fs::File;
 use std::io::{self, stdin, BufReader, Read};
 use std::path::Path;
@@ -20,7 +20,6 @@ use uucore::InvalidEncodingHandling;
 const CRC_TABLE_LEN: usize = 256;
 const CRC_TABLE: [u32; CRC_TABLE_LEN] = generate_crc_table();
 
-const VERSION: &str = env!("CARGO_PKG_VERSION");
 const NAME: &str = "cksum";
 const SYNTAX: &str = "[OPTIONS] [FILE]...";
 const SUMMARY: &str = "Print CRC and size for each file";
@@ -187,7 +186,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
 
     let matches = App::new(executable!())
         .name(NAME)
-        .version(VERSION)
+        .version(crate_version!())
         .about(SUMMARY)
         .usage(SYNTAX)
         .arg(Arg::with_name(options::FILE).hidden(true).multiple(true))

src/uu/comm/src/comm.rs

@@ -16,9 +16,8 @@ use std::io::{self, stdin, BufRead, BufReader, Stdin};
 use std::path::Path;
 use uucore::InvalidEncodingHandling;
 
-use clap::{App, Arg, ArgMatches};
+use clap::{crate_version, App, Arg, ArgMatches};
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "compare two sorted files line by line";
 static LONG_HELP: &str = "";
 
@@ -140,7 +139,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         .accept_any();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .after_help(LONG_HELP)

src/uu/cp/src/cp.rs

@@ -25,7 +25,7 @@ use winapi::um::fileapi::GetFileInformationByHandle;
 
 use std::borrow::Cow;
 
-use clap::{App, Arg, ArgMatches};
+use clap::{crate_version, App, Arg, ArgMatches};
 use filetime::FileTime;
 use quick_error::ResultExt;
 use std::collections::HashSet;
@@ -213,7 +213,6 @@ pub struct Options {
     verbose: bool,
 }
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "Copy SOURCE to DEST, or multiple SOURCE(s) to DIRECTORY.";
 static LONG_HELP: &str = "";
 static EXIT_OK: i32 = 0;
@@ -294,7 +293,7 @@ static DEFAULT_ATTRIBUTES: &[Attribute] = &[
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .after_help(&*format!("{}\n{}", LONG_HELP, backup_control::BACKUP_CONTROL_LONG_HELP))
         .usage(&usage[..])

src/uu/csplit/src/csplit.rs

@@ -2,7 +2,7 @@
 
 #[macro_use]
 extern crate uucore;
-use clap::{App, Arg, ArgMatches};
+use clap::{crate_version, App, Arg, ArgMatches};
 use regex::Regex;
 use std::cmp::Ordering;
 use std::io::{self, BufReader};
@@ -19,7 +19,6 @@ use crate::csplit_error::CsplitError;
 use crate::split_name::SplitName;
 use uucore::InvalidEncodingHandling;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SUMMARY: &str = "split a file into sections determined by context lines";
 static LONG_HELP: &str = "Output pieces of FILE separated by PATTERN(s) to files 'xx00', 'xx01', ..., and output byte counts of each piece to standard output.";
 
@@ -713,7 +712,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         .accept_any();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(SUMMARY)
         .usage(&usage[..])
         .arg(

src/uu/cut/src/cut.rs

@@ -11,7 +11,7 @@
 extern crate uucore;
 
 use bstr::io::BufReadExt;
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::fs::File;
 use std::io::{stdin, stdout, BufReader, BufWriter, Read, Write};
 use std::path::Path;
@@ -24,7 +24,6 @@ use uucore::InvalidEncodingHandling;
 mod searcher;
 
 static NAME: &str = "cut";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SYNTAX: &str =
     "[-d] [-s] [-z] [--output-delimiter] ((-f|-b|-c) {{sequence}}) {{sourcefile}}+";
 static SUMMARY: &str =
@@ -400,7 +399,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
 
     let matches = App::new(executable!())
         .name(NAME)
-        .version(VERSION)
+        .version(crate_version!())
         .usage(SYNTAX)
         .about(SUMMARY)
         .after_help(LONG_HELP)

src/uu/date/src/date.rs

@@ -14,7 +14,7 @@ extern crate uucore;
 use chrono::{DateTime, FixedOffset, Local, Offset, Utc};
 #[cfg(windows)]
 use chrono::{Datelike, Timelike};
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 #[cfg(all(unix, not(target_os = "macos")))]
 use libc::{clock_settime, timespec, CLOCK_REALTIME};
 use std::fs::File;
@@ -37,7 +37,6 @@ const SECOND: &str = "second";
 const NS: &str = "ns";
 
 const NAME: &str = "date";
-const VERSION: &str = env!("CARGO_PKG_VERSION");
 const ABOUT: &str = "print or set the system date and time";
 
 const OPT_DATE: &str = "date";
@@ -144,7 +143,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         NAME
     );
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&syntax[..])
         .arg(

src/uu/df/src/df.rs

@@ -12,7 +12,7 @@ extern crate uucore;
 use uucore::fsext::statfs_fn;
 use uucore::fsext::{read_fs_list, FsUsage, MountInfo};
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 
 use number_prefix::NumberPrefix;
 use std::cell::Cell;
@@ -30,7 +30,6 @@ use uucore::libc::{c_char, fsid_t, uid_t};
 #[cfg(windows)]
 use std::path::Path;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "Show information about the file system on which each FILE resides,\n\
                       or all file systems by default.";
 
@@ -260,7 +259,7 @@ fn use_size(free_size: u64, total_size: u64) -> String {
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .arg(

src/uu/dirname/src/dirname.rs

@@ -8,12 +8,11 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::path::Path;
 use uucore::InvalidEncodingHandling;
 
 static ABOUT: &str = "strip last component from file name";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 
 mod options {
     pub const ZERO: &str = "zero";
@@ -43,7 +42,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
         .about(ABOUT)
         .usage(&usage[..])
         .after_help(&after_help[..])
-        .version(VERSION)
+        .version(crate_version!())
         .arg(
             Arg::with_name(options::ZERO)
                 .long(options::ZERO)

src/uu/du/src/du.rs

@@ -10,7 +10,7 @@ extern crate uucore;
 
 use chrono::prelude::DateTime;
 use chrono::Local;
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::collections::HashSet;
 use std::env;
 use std::fs;
@@ -56,7 +56,6 @@ mod options {
     pub const FILE: &str = "FILE";
 }
 
-const VERSION: &str = env!("CARGO_PKG_VERSION");
 const NAME: &str = "du";
 const SUMMARY: &str = "estimate file space usage";
 const LONG_HELP: &str = "
@@ -398,7 +397,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(SUMMARY)
         .usage(&usage[..])
         .after_help(LONG_HELP)

src/uu/expand/src/expand.rs

@@ -12,14 +12,13 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg, ArgMatches};
+use clap::{crate_version, App, Arg, ArgMatches};
 use std::fs::File;
 use std::io::{stdin, stdout, BufRead, BufReader, BufWriter, Read, Write};
 use std::iter::repeat;
 use std::str::from_utf8;
 use unicode_width::UnicodeWidthChar;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "Convert tabs in each FILE to spaces, writing to standard output.
  With no FILE, or when FILE is -, read standard input.";
 
@@ -111,7 +110,7 @@ impl Options {
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .after_help(LONG_HELP)

src/uu/factor/src/cli.rs

@@ -13,7 +13,7 @@ use std::error::Error;
 use std::io::{self, stdin, stdout, BufRead, Write};
 
 mod factor;
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 pub use factor::*;
 
 mod miller_rabin;
@@ -21,7 +21,6 @@ pub mod numeric;
 mod rho;
 pub mod table;
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SUMMARY: &str = "Print the prime factors of the given NUMBER(s).
 If none are specified, read from standard input.";
 
@@ -38,7 +37,7 @@ fn print_factors_str(num_str: &str, w: &mut impl io::Write) -> Result<(), Box<dy
 
 pub fn uumain(args: impl uucore::Args) -> i32 {
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(SUMMARY)
         .arg(Arg::with_name(options::NUMBER).multiple(true))
         .get_matches_from(args);

src/uu/fmt/src/fmt.rs

@@ -10,7 +10,7 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::cmp;
 use std::fs::File;
 use std::io::{stdin, stdout, Write};
@@ -32,7 +32,6 @@ mod linebreak;
 mod parasplit;
 
 static ABOUT: &str = "Reformat paragraphs from input files (or stdin) to stdout.";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static MAX_WIDTH: usize = 2500;
 
 static OPT_CROWN_MARGIN: &str = "crown-margin";
@@ -79,7 +78,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .arg(

src/uu/fold/src/fold.rs

@@ -10,7 +10,7 @@
 #[macro_use]
 extern crate uucore;
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 use std::fs::File;
 use std::io::{stdin, BufRead, BufReader, Read};
 use std::path::Path;
@@ -19,7 +19,6 @@ use uucore::InvalidEncodingHandling;
 const TAB_WIDTH: usize = 8;
 
 static NAME: &str = "fold";
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static SYNTAX: &str = "[OPTION]... [FILE]...";
 static SUMMARY: &str = "Writes each file (or standard input if no files are given)
  to standard output whilst breaking long lines";
@@ -39,7 +38,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let (args, obs_width) = handle_obsolete(&args[..]);
     let matches = App::new(executable!())
         .name(NAME)
-        .version(VERSION)
+        .version(crate_version!())
         .usage(SYNTAX)
         .about(SUMMARY)
         .arg(

src/uu/groups/src/groups.rs

@@ -12,9 +12,8 @@
 extern crate uucore;
 use uucore::entries::{get_groups, gid2grp, Locate, Passwd};
 
-use clap::{App, Arg};
+use clap::{crate_version, App, Arg};
 
-static VERSION: &str = env!("CARGO_PKG_VERSION");
 static ABOUT: &str = "display current group names";
 static OPT_USER: &str = "user";
 
@@ -26,7 +25,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
     let usage = get_usage();
 
     let matches = App::new(executable!())
-        .version(VERSION)
+        .version(crate_version!())
         .about(ABOUT)
         .usage(&usage[..])
         .arg(Arg::with_name(OPT_USER))