Added decent coloring (#2712)

CHANGES.md

@@ -20,6 +20,7 @@
 - Tuple unpacking on `return` and `yield` constructs now implies 3.8+ (#2700)
 - Unparenthesized tuples on annotated assignments (e.g
   `values: Tuple[int, ...] = 1, 2, 3`) now implies 3.8+ (#2708)
+- Text coloring added in the final statistics (#2712)
 - For stubs, one blank line between class attributes and methods is now kept if there's
   at least one pre-existing blank line (#2736)
 - Verbose mode also now describes how a project root was discovered and which paths will

src/black/__init__.py

@@ -526,6 +526,8 @@ def main(
             )
 
     if verbose or not quiet:
+        if code is None and (verbose or report.change_count or report.failure_count):
+            out()
         out(error_msg if report.return_code else "All done! ✨ 🍰 ✨")
         if code is None:
             click.echo(str(report), err=True)

src/black/report.py

@@ -93,11 +93,13 @@ def __str__(self) -> str:
         if self.change_count:
             s = "s" if self.change_count > 1 else ""
             report.append(
-                style(f"{self.change_count} file{s} {reformatted}", bold=True)
+                style(f"{self.change_count} file{s} ", bold=True, fg="blue")
+                + style(f"{reformatted}", bold=True)
             )
+
         if self.same_count:
             s = "s" if self.same_count > 1 else ""
-            report.append(f"{self.same_count} file{s} {unchanged}")
+            report.append(style(f"{self.same_count} file{s} ", fg="blue") + unchanged)
         if self.failure_count:
             s = "s" if self.failure_count > 1 else ""
             report.append(style(f"{self.failure_count} file{s} {failed}", fg="red"))