/brz/remove-bazaar

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send.py
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    def _generate_commit(cls, repository, revision_id, num, total):
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        s = StringIO()
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        store = get_object_store(repository)
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        store.lock_read()
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        try:
 
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        with store.lock_read():
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            commit = store[store._lookup_revision_sha1(revision_id)]
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        finally:
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            store.unlock()
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        from dulwich.patch import write_commit_patch, get_summary
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        try:
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            lhs_parent = repository.get_revision(revision_id).parent_ids[0]
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                     public_branch=None, message=None):
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        patches = []
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        submit_branch = _mod_branch.Branch.open(target_branch)
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        submit_branch.lock_read()
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        try:
 
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        with submit_branch.lock_read():
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            submit_revision_id = submit_branch.last_revision()
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            repository.fetch(submit_branch.repository, submit_revision_id)
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            graph = repository.get_graph()
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            for i, revid in enumerate(graph.iter_topo_order(todo)):
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                patches.append(cls._generate_commit(repository, revid, i+1,
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                    total))
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        finally:
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            submit_branch.unlock()
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        return cls(revision_id, None, time, timezone,
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            target_branch=target_branch, source_branch=public_branch,
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            message=message, patches=patches)