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48 lines
2.1 KiB
Python
48 lines
2.1 KiB
Python
# Copyright 2024 Google LLC
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#
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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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import re
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import waflib.Context
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import waflib.Logs
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def get_git_revision(ctx):
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try:
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tag = ctx.cmd_and_log(['git', 'describe'], quiet=waflib.Context.BOTH).strip()
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commit = ctx.cmd_and_log(['git', 'rev-parse', '--short', 'HEAD'],
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quiet=waflib.Context.BOTH).strip()
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timestamp = ctx.cmd_and_log(['git', 'log', '-1', '--format=%ct', 'HEAD'],
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quiet=waflib.Context.BOTH).strip()
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except Exception:
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waflib.Logs.warn('get_git_version: unable to determine git revision')
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tag, commit, timestamp = ("?", "?", "1")
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# Validate that git tag follows the required form:
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# See https://github.com/pebble/tintin/wiki/Firmware,-PRF-&-Bootloader-Versions
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# Note: version_regex.groups() returns sequence ('0', '0', '0', 'suffix'):
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version_regex = re.search("^v(\d+)(?:\.(\d+))?(?:\.(\d+))?(?:(?:-)(.+))?$", tag)
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if version_regex:
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# Get version numbers from version_regex.groups() sequence and replace None values with 0
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# e.g. v2-beta11 => ('2', None, None, 'beta11') => ('2', '0', '0')
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version = [x if x else '0' for x in version_regex.groups()[:3]]
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else:
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waflib.Logs.warn('get_git_revision: Invalid git tag! '
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'Must follow this form: `v0[.0[.0]][-suffix]`')
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version = ['0', '0', '0', 'unknown']
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return {'TAG': tag,
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'COMMIT': commit,
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'TIMESTAMP': timestamp,
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'MAJOR_VERSION': version[0],
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'MINOR_VERSION': version[1],
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'PATCH_VERSION': version[2]}
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