cmake: West extension command for Zephyr config package registration
This command make it possible to use west for first time registration
of a Zephyr config package in CMake.
To register Zephyr as a CMake config package, invoke:
west zephyr-export
Signed-off-by: Torsten Rasmussen <Torsten.Rasmussen@nordicsemi.no>
diff --git a/scripts/west_commands/export.py b/scripts/west_commands/export.py
new file mode 100644
index 0000000..fa753d8
--- /dev/null
+++ b/scripts/west_commands/export.py
@@ -0,0 +1,58 @@
+# Copyright (c) 2020 Nordic Semiconductor ASA
+#
+# SPDX-License-Identifier: Apache-2.0
+
+import argparse
+
+from west.commands import WestCommand
+
+from pathlib import PurePath
+from zcmake import run_cmake
+
+EXPORT_DESCRIPTION = '''\
+This command registers the current Zephyr installation as a CMake
+config package in the CMake user package registry.
+
+In Windows, the CMake user package registry is found in:
+HKEY_CURRENT_USER\\Software\\Kitware\\CMake\\Packages\\
+
+In Linux and MacOS, the CMake user package registry is found in:
+~/.cmake/packages/'''
+
+
+class ZephyrExport(WestCommand):
+
+ def __init__(self):
+ super().__init__(
+ 'zephyr-export',
+ # Keep this in sync with the string in west-commands.yml.
+ 'export Zephyr installation as a CMake config package',
+ EXPORT_DESCRIPTION,
+ accepts_unknown_args=False)
+
+ def do_add_parser(self, parser_adder):
+ parser = parser_adder.add_parser(
+ self.name,
+ help=self.help,
+ formatter_class=argparse.RawDescriptionHelpFormatter,
+ description=self.description)
+ return parser
+
+ def do_run(self, args, unknown_args):
+ zephyr_config_package_path = PurePath(__file__).parents[2] \
+ / 'share' / 'zephyr-package' / 'cmake'
+
+ cmake_args = ['-S', f'{zephyr_config_package_path}',
+ '-B', f'{zephyr_config_package_path}']
+ lines = run_cmake(cmake_args, capture_output=True)
+
+ # Let's clean up, as Zephyr has now been exported, and we no longer
+ # need the generated files.
+ cmake_args = ['--build', f'{zephyr_config_package_path}',
+ '--target', 'pristine']
+ run_cmake(cmake_args, capture_output=True)
+
+ # Let's ignore the normal CMake printing and instead only print
+ # the important information.
+ msg = [line for line in lines if not line.startswith('-- ')]
+ print('\n'.join(msg))
