Resolve issue with directory symlinks in local replace. #1829

[jtszalay]

What type of PR is this?

Uncomment one line below and remove others.

Bug fix

What package or component does this PR mostly affect?

cmd/fetch_repo

What does this PR do? Why is it needed?

Handles directory symlinks in fetch_repo.

Which issues(s) does this PR fix?

Fixes #1829

Other notes for review