du: convert to use uucore time formatting function

Indirectly switches to jiff, which conveniently doesn't crash on
large timestamps. Also correctly prints timestamp for time far in
the future or past.

Removes chrono dependency.

Author: drinkcat

Cargo.lock

@@ -18,11 +18,10 @@ workspace = true
 path = "src/du.rs"
 
 [dependencies]
-chrono = { workspace = true }
 # For the --exclude & --exclude-from options
 glob = { workspace = true }
 clap = { workspace = true }
-uucore = { workspace = true, features = ["format", "parser"] }
+uucore = { workspace = true, features = ["format", "parser", "time"] }
 thiserror = { workspace = true }
 
 [target.'cfg(target_os = "windows")'.dependencies]

src/uu/du/Cargo.toml

@@ -3,15 +3,14 @@
 // For the full copyright and license information, please view the LICENSE
 // file that was distributed with this source code.
 
-use chrono::{DateTime, Local};
 use clap::{Arg, ArgAction, ArgMatches, Command, builder::PossibleValue};
 use glob::Pattern;
 use std::collections::{HashMap, HashSet};
 use std::env;
 #[cfg(not(windows))]
 use std::fs::Metadata;
 use std::fs::{self, DirEntry, File};
-use std::io::{BufRead, BufReader};
+use std::io::{BufRead, BufReader, stdout};
 #[cfg(not(windows))]
 use std::os::unix::fs::MetadataExt;
 #[cfg(windows)]
@@ -576,13 +575,13 @@ impl StatPrinter {
     }
 
     fn print_stat(&self, stat: &Stat, size: u64) -> UResult<()> {
+        print!("{}\t", self.convert_size(size));
+
         if let Some(time) = self.time {
             let secs = get_time_secs(time, stat)?;
-            let tm = DateTime::<Local>::from(UNIX_EPOCH + Duration::from_secs(secs));
-            let time_str = tm.format(&self.time_format).to_string();
-            print!("{}\t{time_str}\t", self.convert_size(size));
-        } else {
-            print!("{}\t", self.convert_size(size));
+            let time = UNIX_EPOCH + Duration::from_secs(secs);
+            uucore::time::format_system_time(&mut stdout(), time, &self.time_format)?;
+            print!("\t");
         }
 
         print_verbatim(&stat.path).unwrap();