feat(push): colorize push status string

Using color is meant to help distinguish the status string, e.g.
"(modified)" or "(empty)" from the preceding patch name.

src/stack/transaction/ui.rs

@@ -192,15 +192,22 @@ impl TransactionUserInterface {
  output.reset()?;
 
  let status_str = match status {
- PushStatus::New => " (new)",
- PushStatus::AlreadyMerged => " (merged)",
- PushStatus::Conflict => " (conflict)",
- PushStatus::Empty => " (empty)",
- PushStatus::Modified => " (modified)",
+ PushStatus::New => "(new)",
+ PushStatus::AlreadyMerged => "(merged)",
+ PushStatus::Conflict => "(conflict)",
+ PushStatus::Empty => "(empty)",
+ PushStatus::Modified => "(modified)",
  PushStatus::Unmodified => "",
  };
 
- writeln!(output, "{status_str}")?;
+ if status_str.is_empty() {
+ writeln!(output)?;
+ } else {
+ color_spec.clear();
+ output.set_color(color_spec.set_fg(Some(termcolor::Color::Yellow)))?;
+ writeln!(output, " {status_str}")?;
+ output.reset()?;
+ }
  if is_last {
  self.printed_top = true;
  }