* Do not investigate symrefs. Closes:#850547.
* Improve debugging output a bit.
+ * Use refs/dgit-fetch/DISTRO rather than refs/dgit-fetch/DISTRO,
+ which leads to less duplication and so less clutter.
Test suite:
* Internal improvements.
editor if stdout was a tty (!)
* Add t-stunt-parsechangelog to a few tests which were missing it.
* Tests for the new protocol feature.
+ * Fail tests if we look up any configuration relating to Debian.
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