Utilities: Mypy type checking

Enforce mypy type checking on `Utilities/repeat_command` via the
`Utilities/build-using-self` script, which is executed in the self-hosted
CI pipelines.

Utilities/build-using-self

@@ -19,6 +19,17 @@ root_dir="$(cd ${__dir}/.. && pwd)"
 cd "${root_dir}/"
 echo "Current directory is ${PWD}"
 
+# Check python typing
+python_bin=$(command -v python3)
+VENV_PATH=$(mktemp -d)
+$python_bin -m venv "${VENV_PATH}"
+source "${VENV_PATH}"/bin/activate
+pip3 install --requirement "${__dir}"/python/requirement.txt
+
+mypy --strict Utilities/repeat_command
+
+
+## Actual pipelinw
 CONFIGURATION=debug
 export SWIFTCI_IS_SELF_HOSTED=1
 

Utilities/python/requirement.txt

@@ -0,0 +1 @@
+mypy==1.14.1

Utilities/repeat_command

@@ -143,6 +143,7 @@ class CommandsRepeater:
         logging.info("-" * 100)
         logging.info("Root Log Directory  : %s", self.config.logs_path.resolve())
         logging.info("Failed Log Directory: %s", self.failed_logs_path.resolve())
+        return True
 
 
 def main() -> None: