From c928c9bd97287f0eda9583f4fe2931fb9d78118c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1s=20Varga?= <tomas@example.org>
Date: Mon, 16 Mar 2026 14:47:00 +0100
Subject: [PATCH] Add --shout to print the greeting in capitals

Use str.upper() so that accented names keep their accents.
---
 README.md                  | 2 ++
 src/hello_hut/cli.py       | 5 ++++-
 src/hello_hut/greetings.py | 4 ++--
 tests/test_greetings.py    | 6 ++++++
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 563463e26dd004cda10b13e5a64077b68bccb7f6..7e74e12da14a8720a603fec2e6e0e5f5a8ba29cb 100644
--- a/README.md
+++ b/README.md
@@ -10,6 +10,8 @@ $ hello-hut
 Hello, friend!
 $ hello-hut Ada
 Hello, Ada!
+$ hello-hut Ada --shout
+HELLO, ADA!
 ```
 
 ## License
diff --git a/src/hello_hut/cli.py b/src/hello_hut/cli.py
index 9110eb394310a53122d8e131c3e593abd80647a3..b8cd9bd124af7a30a8fd31259100dd03c8f98ef2 100644
--- a/src/hello_hut/cli.py
+++ b/src/hello_hut/cli.py
@@ -13,6 +13,8 @@ def build_parser():
         description="A friendly greeting tool for your terminal.",
     )
     parser.add_argument("name", nargs="?", help="who to greet")
+    parser.add_argument("--shout", action="store_true",
+                        help="print the greeting in capitals")
     parser.add_argument("--version", action="version",
                         version=f"%(prog)s {__version__}")
     return parser
@@ -21,7 +23,8 @@ def build_parser():
 def main(argv=None):
     args = build_parser().parse_args(argv)
     name = args.name or DEFAULT_NAME
+    shout = args.shout
 
-    message = greet(name)
+    message = greet(name, shout=shout)
     print(message)
     return 0
diff --git a/src/hello_hut/greetings.py b/src/hello_hut/greetings.py
index 92cd435302e0c399d6aea19d6ea3e0c0e7789596..4e8891ed3e37cade88ad5871c2729e6cfe56182c 100644
--- a/src/hello_hut/greetings.py
+++ b/src/hello_hut/greetings.py
@@ -3,8 +3,8 @@
 DEFAULT_NAME = "friend"
 
 
-def greet(name=DEFAULT_NAME):
+def greet(name=DEFAULT_NAME, shout=False):
     """Build a greeting such as "Hello, Ada!"."""
     salutation = "Hello"
     message = f"{salutation}, {name}!"
-    return message
+    return message.upper() if shout else message
diff --git a/tests/test_greetings.py b/tests/test_greetings.py
index 67cfbda2d04b773ff4a4a3d590911414d9e5a474..616e79a544a6726f2bb5301c6b8ca0009c7c6673 100644
--- a/tests/test_greetings.py
+++ b/tests/test_greetings.py
@@ -10,6 +10,12 @@ class GreetTest(unittest.TestCase):
     def test_custom_name(self):
         self.assertEqual(greet("Ada"), "Hello, Ada!")
 
+    def test_shout(self):
+        self.assertEqual(greet("Ada", shout=True), "HELLO, ADA!")
+
+    def test_shout_keeps_accents(self):
+        self.assertEqual(greet("Zoë", shout=True), "HELLO, ZOË!")
+
 
 if __name__ == "__main__":
     unittest.main()