[[!comment format=mdwn
 username="athas@60e56fd42a78bbbce444d175865ce4d66ba1a779"
 nickname="athas"
 avatar="http://cdn.libravatar.org/avatar/f6ddda1fabf459f90ca590f9499033c4"
 subject="GitHub Actions"
 date="2021-10-15T20:53:06Z"
 content="""
It appears the `checkout` action on GitHub Actions mangles submodules that use `git-annex`.  The solution is to ask the checkout action to do a deep clone:

    - uses: actions/checkout@v2
      with:
        submodules: recursive # for git-annex to work.
        fetch-depth: 0        #

"""]]
