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diff --git a/cli/cmd_db_migrate.cpp b/cli/cmd_db_migrate.cpp
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+// Copyright 2013 The Kyua Authors.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+//   notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above copyright
+//   notice, this list of conditions and the following disclaimer in the
+//   documentation and/or other materials provided with the distribution.
+// * Neither the name of Google Inc. nor the names of its contributors
+//   may be used to endorse or promote products derived from this software
+//   without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "cli/cmd_db_migrate.hpp"
+
+#include <cstdlib>
+
+#include "cli/common.ipp"
+#include "store/exceptions.hpp"
+#include "store/layout.hpp"
+#include "store/migrate.hpp"
+#include "utils/cmdline/options.hpp"
+#include "utils/cmdline/ui.hpp"
+#include "utils/defs.hpp"
+#include "utils/format/macros.hpp"
+#include "utils/fs/path.hpp"
+
+namespace cmdline = utils::cmdline;
+namespace config = utils::config;
+namespace fs = utils::fs;
+namespace layout = store::layout;
+
+using cli::cmd_db_migrate;
+
+
+/// Default constructor for cmd_db_migrate.
+cmd_db_migrate::cmd_db_migrate(void) : cli_command(
+    "db-migrate", "", 0, 0,
+    "Upgrades the schema of an existing results file to the currently "
+    "implemented version.  A backup of the results file is created, but "
+    "this operation is not reversible")
+{
+    add_option(results_file_open_option);
+}
+
+
+/// Entry point for the "db-migrate" subcommand.
+///
+/// \param ui Object to interact with the I/O of the program.
+/// \param cmdline Representation of the command line to the subcommand.
+///
+/// \return 0 if everything is OK, 1 if the statement is invalid or if there is
+/// any other problem.
+int
+cmd_db_migrate::run(cmdline::ui* ui, const cmdline::parsed_cmdline& cmdline,
+                    const config::tree& /* user_config */)
+{
+    try {
+        const fs::path results_file = layout::find_results(
+            results_file_open(cmdline));
+        store::migrate_schema(results_file);
+        return EXIT_SUCCESS;
+    } catch (const store::error& e) {
+        cmdline::print_error(ui, F("Migration failed: %s.") % e.what());
+        return EXIT_FAILURE;
+    }
+}