kunit: use --build_dir=.kunit as default

To make KUnit easier to use, and to avoid overwriting object and
.config files, the default KUnit build directory is set to .kunit

 * Related bug: https://bugzilla.kernel.org/show_bug.cgi?id=205221

Fixed up minor merge conflicts - Shuah Khan <skhan@linuxfoundation.org>

Signed-off-by: Vitor Massaru Iha <vitor@massaru.org>
Reviewed-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index b01838b6f5f9e13d7a1f80c31da48d3190482b01..f3a1803bd71f3346060224dcb4cb678245059954 100755 (executable)
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -169,7 +169,7 @@ def add_common_opts(parser):
        parser.add_argument('--build_dir',
                            help='As in the make command, it specifies the build '
                            'directory.',
-                           type=str, default='', metavar='build_dir')
+                            type=str, default='.kunit', metavar='build_dir')
        parser.add_argument('--make_options',
                            help='X=Y make option, can be repeated.',
                            action='append')
@@ -245,12 +245,11 @@ def main(argv, linux=None):
        cli_args = parser.parse_args(argv)
 
        if cli_args.subcommand == 'run':
-               if cli_args.build_dir:
-                       if not os.path.exists(cli_args.build_dir):
-                               os.mkdir(cli_args.build_dir)
-                       kunit_kernel.kunitconfig_path = os.path.join(
-                               cli_args.build_dir,
-                               kunit_kernel.kunitconfig_path)
+                if not os.path.exists(cli_args.build_dir):
+                    os.mkdir(cli_args.build_dir)
+                kunit_kernel.kunitconfig_path = os.path.join(
+                        cli_args.build_dir,
+                        kunit_kernel.kunitconfig_path)
 
                if not linux:
                        linux = kunit_kernel.LinuxSourceTree()