bugs; the tests for this are not very comprehensive. And
worktrees on different filesystems may not work; that's a
matter for the future. Closes:#868515.
+ * Change the dpkg-source -i argument to exclude exactly the right
+ set of things. (Sadly this is not a simple rune.)
Other improvements to dgit:
* New print-dpkg-source-ignores option to print the big rune