* dgit import: Defend against broken symlinks in ..
* dgit import: Right error message for missing files in ..
* dgit import: Avoid making broken symlinks in ..
+ * quilt fixup: Tolerate deletion of executable files.
Important bugfixes to other components:
* dgit-repos-server: Do not reject commits with no author/committer
Test suite:
* 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.
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