Bug#909435: git-annex: Fails in obscure way with version in stable

[Tollef Fog Heen]

Package: git-annex
Version: 6.20180913-1
Severity: important

I have an ssh remote where the other end is running Debian stable (so
6.20170101-1+deb9u2).  If I do a `git annex copy . --to foo`, it fails
with the rather obscure error:

copy directory/some.file (fd:18: hClose: resource vanished (Broken pipe)) failed

The problem goes away by upgrading the remote end to the version in
backports.

Can git-annex either be fixed so it works across those versions, or at
least give a clear error message that the two ends are speaking
incompatible protocol versions?

-- 
Tollef Fog Heen
UNIX is user friendly, it's just picky about who its friends are