rebase: improve --abort failure message

hgext/rebase.py

@@ -427,7 +427,7 b' def abort(repo, originalwd, target, stat'
     'Restore the repository to its original state'
     if set(repo.changelog.descendants(target)) - set(state.values()):
         repo.ui.warn(_("warning: new changesets detected on target branch, "
-                                                    "not stripping\n"))
+                                                    "can't abort\n"))
     else:
         # Strip from the first rebased revision
         merge.update(repo, repo[originalwd].rev(), False, True, False)

tests/test-rebase-interruptions.out

@@ -95,7 +95,7 b' o 0: A'
 
 
 % Abort the rebasing
-warning: new changesets detected on target branch, not stripping
+warning: new changesets detected on target branch, can't abort
 @  6: Extra
 |
 o  5: B