Check if local exports exist during diffing. For tar, the file must exist. For local, the directory must exist and be populated. Fixes https://github.com/pulumi/pulumi-docker-build/issues/177.
Check if local exports exist during diffing. For tar, the file must exist. For local, the directory must exist and be populated. Fixes https://github.com/pulumi/pulumi-docker-build/issues/177.