On 06/18/2018 10:07 AM, Alex Bennée wrote: > The "images" command is a fairly heavyweight command to run as it > involves searching the whole docker file-system inventory. On a > machine with a lot of images this makes start-up fairly expensive.
"version" would be even quicker. > > Signed-off-by: Alex Bennée <alex.ben...@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4...@amsat.org> > --- > tests/docker/docker.py | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/tests/docker/docker.py b/tests/docker/docker.py > index c83fd89985..3072bf4a31 100755 > --- a/tests/docker/docker.py > +++ b/tests/docker/docker.py > @@ -49,7 +49,7 @@ def _guess_docker_command(): > commands = [["docker"], ["sudo", "-n", "docker"]] > for cmd in commands: > try: > - if subprocess.call(cmd + ["images"], > + if subprocess.call(cmd + ["ps"], > stdout=DEVNULL, stderr=DEVNULL) == 0: > return cmd > except OSError: >