Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

vendor/indicatif/examples/finebars.rs

@@ -0,0 +1,43 @@
+use std::thread;
+use std::time::Duration;
+
+use indicatif::{MultiProgress, ProgressBar, ProgressStyle};
+use rand::{thread_rng, Rng};
+
+fn main() {
+    let styles = [
+        ("Rough bar:", "█  ", "red"),
+        ("Fine bar: ", "█▉▊▋▌▍▎▏  ", "yellow"),
+        ("Vertical: ", "█▇▆▅▄▃▂▁  ", "green"),
+        ("Fade in:  ", "█▓▒░  ", "blue"),
+        ("Blocky:   ", "█▛▌▖  ", "magenta"),
+    ];
+
+    let m = MultiProgress::new();
+
+    let handles: Vec<_> = styles
+        .iter()
+        .map(|s| {
+            let pb = m.add(ProgressBar::new(512));
+            pb.set_style(
+                ProgressStyle::with_template(&format!("{{prefix:.bold}}▕{{bar:.{}}}▏{{msg}}", s.2))
+                    .unwrap()
+                    .progress_chars(s.1),
+            );
+            pb.set_prefix(s.0);
+            let wait = Duration::from_millis(thread_rng().gen_range(10..30));
+            thread::spawn(move || {
+                for i in 0..512 {
+                    thread::sleep(wait);
+                    pb.inc(1);
+                    pb.set_message(format!("{:3}%", 100 * i / 512));
+                }
+                pb.finish_with_message("100%");
+            })
+        })
+        .collect();
+
+    for h in handles {
+        let _ = h.join();
+    }
+}