50 lines
1.5 KiB
Python
50 lines
1.5 KiB
Python
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#!/usr/bin/env python3
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from packaging.version import parse, LegacyVersion
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import argparse
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import sys
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# exit with 0 if --new is equal to --old
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# exit with 1 on errors
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# exit with 2 if --new is newer than --old
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# exit with 3 if --new is older than --old
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parser = argparse.ArgumentParser()
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parser.add_argument('--old', help='Version currently in use')
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parser.add_argument('--new', help='New version to publish')
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args = parser.parse_args()
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if args.old is None or args.new is None:
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parser.print_help()
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exit(1)
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old, new = parse(args.old), parse(args.new)
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# only accept versions that were correctly parsed
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for version in [old, new]:
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if isinstance(version, LegacyVersion):
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print("Invalid version parsed: {}".format(version))
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sys.exit(1)
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if new == old:
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print("No version change")
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sys.exit(0)
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elif new > old:
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print("Upgrade detected ({} > {})".format(new, old))
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sys.exit(2)
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print("Downgrade detected ({} < {})".format(new, old))
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sys.exit(3)
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