* dgit import: Right error message for missing files in ..
* dgit import: Avoid making broken symlinks in ..
* quilt fixup: Tolerate deletion of executable files.
+ * quilt fixup: Tolerate symlink creation (make patches). Closes:#857382.
Important bugfixes to other components:
* dgit-repos-server: Do not reject commits with no author/committer
* t-report-fail: print $PWD as part of failure message.
* import-dsc: Test missing files, particularly in ..
* run git gc on tests/worktrees/example_1.0.tar.
+ * quilt fixup: Check we can delete files with funny modes
+ * quilt fixup: Check that funny changes are represented properly
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