Fix issues with incorrect terminal width

For some reason, the terminal width isn't always valid, and
then ends up returning `80`.

Signed-off-by: Alexis Sellier <alexis@radicle.xyz>

radicle-cli/src/terminal/io.rs

@@ -56,9 +56,10 @@ pub fn tip_args(args: fmt::Arguments) {
     );
 }
 
-pub fn width() -> usize {
-    let (_, rows) = console::Term::stdout().size();
-    rows as usize
+pub fn width() -> Option<usize> {
+    console::Term::stdout()
+        .size_checked()
+        .map(|(_, cols)| cols as usize)
 }
 
 pub fn headline(headline: &str) {

radicle-cli/src/terminal/table.rs

@@ -57,7 +57,14 @@ impl<const W: usize> Table<W> {
                     .ok();
                 }
             }
-            println!("{}", console::truncate_str(&output, width - 1, "…"));
+            println!(
+                "{}",
+                if let Some(width) = width {
+                    console::truncate_str(&output, width - 1, "…")
+                } else {
+                    output.into()
+                }
+            );
         }
     }
 

radicle-cli/src/terminal/textbox.rs

@@ -39,8 +39,10 @@ impl fmt::Display for TextBox {
             .max()
             .unwrap_or(0)
             + 2;
-        if term::width() < width + 2 {
-            width = term::width() - 2
+        if let Some(max) = term::width() {
+            if max < width + 2 {
+                width = max - 2
+            }
         }
 
         let (connector, header_width) = if !self.first {