Add a qt module json file schema validator utility

Change-Id: I4f85cee9957c0c8cf001417a61b61a57d7041dba
Reviewed-by: Alexandru Croitor <alexandru.croitor@qt.io>

cmake/QtBaseGlobalTargets.cmake

@@ -451,4 +451,6 @@ if(QT_INSTALL_CI_FILES)
         DESTINATION "${__qt_libexec_install_dir}")
     qt_copy_or_install(PROGRAMS "util/testrunner/sanitizer-testrunner.py"
         DESTINATION "${__qt_libexec_install_dir}")
+    qt_copy_or_install(PROGRAMS "util/json_schema/check_qt_module_json_schemas.py"
+        DESTINATION "${__qt_libexec_install_dir}")
 endif()

util/json_schema/check_qt_module_json_schemas.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+# Copyright (C) 2025 The Qt Company Ltd.
+# SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+# /// script
+# dependencies = ["check-jsonschema", "click"]
+# ///
+
+from __future__ import annotations
+
+from pathlib import Path
+
+import click
+
+
+@click.command(
+    context_settings=dict(
+        ignore_unknown_options=True,
+    )
+)
+@click.option(
+    "--install-prefix",
+    type=click.Path(
+        exists=True,
+        file_okay=False,
+        dir_okay=True,
+        path_type=Path,
+    ),
+    required=True,
+    metavar="PATH",
+    help="Path to the Qt install prefix.",
+)
+@click.argument(
+    "check_jsonschema_args",
+    nargs=-1,
+    type=click.UNPROCESSED,
+)
+def run(install_prefix: Path, check_jsonschema_args: list[str]):
+    """
+    Validate the module json files after installation.
+
+    Unknown options are passed directly to check-jsonschema.
+    """
+    # TODO: Do the actual validation
+
+
+if __name__ == "__main__":
+    run()