Re: [PATCH v3 3/4] refs: make refs/worktree/* per-worktree

Michael Haggerty [off-list ref] writes:

I don't see how that can help. The result of a pipeline is taken from
the last command. The exit codes of earlier commands in the pipeline are
lost in the sands of time:

    $ false | true
    $ echo $?
    0
    $ false | ( ! false )
    $ echo $?
    0

Working around this POSIX shell limitation is surprisingly awkward in a
general-purpose script. But in this case you could use a temporary file:

    git for-each-ref >refs-actual &&
    ! grep refs/worktree <refs-actual && [...]

It is not just "you could", but that is what you "should" do, if you
cared the exit status from for-each-ref.

Thanks.