Find a merge base in preparation for an octopus merge
@param out_ the OID of a merge base considering all the commits
@param repo the repository where the commits exist
@param length The number of commits in the provided input_array
@param input_array oids of the commits
@return Zero on success; git_error_code.GIT_ENOTFOUND or -1 on failure.
Find a merge base in preparation for an octopus merge
@param out_ the OID of a merge base considering all the commits @param repo the repository where the commits exist @param length The number of commits in the provided input_array @param input_array oids of the commits @return Zero on success; git_error_code.GIT_ENOTFOUND or -1 on failure.