391
391
return graph.EverythingNotInOther(
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392
self.target_repo, self.source_repo).execute()
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393
heads_to_fetch = set(self._explicit_rev_ids)
395
394
if self.source_branch is not None:
401
396
if self.source_branch_stop_revision_id is not None:
405
407
if self.target_repo_kind == TargetRepoKinds.EMPTY:
406
408
# PendingAncestryResult does not raise errors if a requested head
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# is absent. Ideally it would support the