tune xtask help output

xtask/src/tasks.rs

@@ -90,18 +90,16 @@ impl Tasks {
         for task in self.map.values() {
             let char_count = task.name.char_indices().count();
             let spaces = separator.repeat(max_col_width - char_count + padding);
-            let line = format!(">> {}{}{}\n", task.name, spaces, task.description);
+            let line = format!("  {}{}{}\n", task.name, spaces, task.description);
 
             lines.push_str(&line);
 
             for (name, description) in task.flags.iter() {
                 let separator = " ".to_string();
                 let spaces = separator.repeat(max_col_width + padding);
-                let line = format!("\n{}   >> --{} | {}\n", spaces, name, description);
+                let line = format!("{}  ⮑  --{} | {}\n", spaces, name, description);
                 lines.push_str(&line);
             }
-
-            lines.push('\n');
         }
 
         Ok(lines)
@@ -192,16 +190,11 @@ mod tests {
         assert_eq!(
             tasks.help().unwrap(),
             [
-                ">> one....task 01",
-                "",
-                "          >> --bar | enables bar",
-                "",
-                "          >> --foo | does the foo",
-                "",
-                ">> two....task 02",
-                "",
-                "          >> --baz | invokes a baz",
-                "",
+                "  one....task 01",
+                "         ⮑  --bar | enables bar",
+                "         ⮑  --foo | does the foo",
+                "  two....task 02",
+                "         ⮑  --baz | invokes a baz",
                 "",
             ]
             .join("\n")