This backports !14597 (merged) for the 9.5.x branch.
Because of a change in GitLab 9.5.4 to prevent users from assuming control of a repository already on disk, the import task broke. Imports would fail with the message, "There is already a repository with that name on disk".
This change skips the validation when the import is done from the command-line.
Closes #37682 (closed)