1 files changed, 49 insertions, 0 deletions
diff --git a/migrations/000-version-info.py b/migrations/000-version-info.py
new file mode 100755
index 00000000..2bff51f4
--- /dev/null
+++ b/migrations/000-version-info.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python
+# Copyright (C) 2015  Codethink Limited
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+'''Migration to Baserock Definitions format version 0.
+
+The format of version 0 is not formally specified, except by the Morph
+codebase. It marks the starting point of the work to formalise the Baserock
+Definitions format.
+
+'''
+
+
+import os
+import sys
+
+import migrations
+
+
+TO_VERSION = 0
+
+
+try:
+    if os.path.exists('./VERSION'):
+        # This will raise an exception if the VERSION file is invalid, which
+        # might be useful.
+        migrations.check_definitions_version(TO_VERSION)
+
+        sys.stdout.write("Nothing to do.\n")
+        sys.exit(0)
+    else:
+        sys.stdout.write("No VERSION file found, creating one.\n")
+        migrations.set_definitions_version(TO_VERSION)
+        sys.exit(0)
+except RuntimeError as e:
+    sys.stderr.write("Error: %s\n" % e.message)
+    sys.exit(1)