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Diffstat (limited to 'migrations/000-version-info.py')
-rwxr-xr-x | migrations/000-version-info.py | 49 |
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) |