A potential workaround is to install git lfs as part of your build or build a docker image with git lfs and use that image. You could then clone these artifacts manually in the build. It is important to remember that there is only 4GB of space available for your build.
Presently Git LFS is not usable within Pipelines. If this is a feature you would like please raise a feature request on https://bitbucket.org/site/master
As for the workaround, I've already tried this, but how you are supposed to access the credentials the Bitbucket needs for external (= git-lfs pull from the runnin docker container) access?
This will happen without credentials:
trace git-lfs: HTTP: 401 trace git-lfs: HTTP: Invalid username or password. If you log in via a third party service you must ensure you have an account password set in your account profile.
We’ve been building a plugin to integrate Bitbucket Server and Jenkins CI, and I’m excited to announce that our alpha is ready to download and install. It lets you seamlessly configure a Jenkins job ...
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