--- a/hgext/rebase.py	Fri Apr 12 11:41:33 2019 -0400
+++ b/hgext/rebase.py	Fri Apr 12 12:06:13 2019 -0400
@@ -949,6 +949,9 @@
         except error.InMemoryMergeConflictsError:
             ui.status(_('hit a merge conflict\n'))
             return 1
+        except error.Abort:
+            needsabort = False
+            raise
         else:
             if confirm:
                 ui.status(_('rebase completed successfully\n'))