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The Hive SVN repository for the most recent Hive code is located here: http://svn.apache.org/repos/asf/hive/trunk. The repository for branches containing released versions is located here: http://svn.apache.org/repos/asf/hive/branches. All of the release versions are in subdirectories named "branch-1.#" or "branch-0.#" (except "branch-0.8-r2"); any subdirectories with other names are for works-in-progress.
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