Sebastiaan van Stijn
bcc14559c9
The daemon already validates the target, so we don't have to validate
if a target is set. Instead, we can ignore empty targets, but produce
an error if a target option was set, but set to an empty value.
With this patch applied, omitting a target option is ignored by the CLI,
but still invalidated by the daemon if the given mount-type requires a
mount target;
docker run --rm --mount type=bind,src=/var/run/docker.sock alpine
docker: Error response from daemon: invalid mount config for type "bind": field Target must not be empty
docker run --rm --mount type=bind,src=/var/run/docker.sock,dst=../foo alpine
docker: Error response from daemon: invalid mount config for type "bind": invalid mount path: '../foo' mount path must be absolute
When passing a target option (`target`, `dst`, or `destination`), the
CLI produces an error if the value is empty;
docker run --rm --mount type=bind,src=/var/run/docker.sock,dst= alpine
invalid argument "type=bind,src=/var/run/docker.sock,dst=" for "--mount" flag: invalid value for 'dst': mount target must be a non-empty value
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
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