It is possible to pass --update to tests/qapi-schema/test-qapi.py
to make it update the output files on error. This is inconvenient
to achieve though when test-qapi.py is run indirectly by make/meson.

Instead simply allow for an env variable to be set:

 $ QAPI_TEST_UPDATE= make check-qapi-schema

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
 tests/qapi-schema/test-qapi.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
index 2160cef082..d58c31f539 100755
--- a/tests/qapi-schema/test-qapi.py
+++ b/tests/qapi-schema/test-qapi.py
@@ -206,6 +206,7 @@ def main(argv):
     parser.add_argument('-d', '--dir', action='store', default='',
                         help="directory containing tests")
     parser.add_argument('-u', '--update', action='store_true',
+                        default='QAPI_TEST_UPDATE' in os.environ,
                         help="update expected test results")
     parser.add_argument('tests', nargs='*', metavar='TEST', action='store')
     args = parser.parse_args()
-- 
2.40.0

Daniel P. Berrangé <berrange@redhat.com> writes:

> It is possible to pass --update to tests/qapi-schema/test-qapi.py
> to make it update the output files on error. This is inconvenient
> to achieve though when test-qapi.py is run indirectly by make/meson.
>
> Instead simply allow for an env variable to be set:
>
>  $ QAPI_TEST_UPDATE= make check-qapi-schema
>
> Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
> ---
>  tests/qapi-schema/test-qapi.py | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py
> index 2160cef082..d58c31f539 100755
> --- a/tests/qapi-schema/test-qapi.py
> +++ b/tests/qapi-schema/test-qapi.py
> @@ -206,6 +206,7 @@ def main(argv):
>      parser.add_argument('-d', '--dir', action='store', default='',
>                          help="directory containing tests")
>      parser.add_argument('-u', '--update', action='store_true',
> +                        default='QAPI_TEST_UPDATE' in os.environ,
>                          help="update expected test results")
>      parser.add_argument('tests', nargs='*', metavar='TEST', action='store')
>      args = parser.parse_args()

Reviewed-by: Markus Armbruster <armbru@redhat.com>