115 lines
3.4 KiB
Python
Executable File
115 lines
3.4 KiB
Python
Executable File
#!/usr/bin/env python3
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Lists the branches in the modified deliverable files.
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"""
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import argparse
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import os.path
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import re
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import subprocess
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import yaml
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PRE_RELEASE_RE = re.compile('''
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\.(\d+(?:[ab]|rc)+\d*)$
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''', flags=re.VERBOSE | re.UNICODE)
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def find_modified_deliverable_files(reporoot):
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"Return a list of files modified by the most recent commit."
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results = subprocess.check_output(
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['git', 'diff', '--name-only', '--pretty=format:', 'HEAD^'],
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cwd=reporoot,
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).decode('utf-8')
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filenames = [
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l.strip()
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for l in results.splitlines()
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if l.startswith('deliverables/')
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]
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return filenames
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def get_modified_deliverable_file_content(reporoot, filenames):
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"""Return a sequence of tuples containing the branches.
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Return tuples containing (repository name, branch name, git
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reference)
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"""
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# Determine which deliverable files to process by taking our
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# command line arguments or by scanning the git repository
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# for the most recent change.
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deliverable_files = filenames
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if not deliverable_files:
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deliverable_files = find_modified_deliverable_files(
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reporoot
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)
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for basename in deliverable_files:
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filename = os.path.join(reporoot, basename)
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if not os.path.exists(filename):
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# The file must have been deleted, skip it.
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continue
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with open(filename, 'r', encoding='utf-8') as f:
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deliverable_data = yaml.load(f.read())
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# Map the release version to the release contents so we can
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# easily get a list of repositories for stable branches.
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releases_by_version = {
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r['version']: r
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for r in deliverable_data.get('releases', [])
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}
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for branch in deliverable_data.get('branches', []):
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location = branch['location']
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if isinstance(location, dict):
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for repo, sha in sorted(location.items()):
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yield (repo, branch['name'], sha)
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else:
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# Assume a single location string that is a valid
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# reference in the git repository.
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for proj in releases_by_version[location]['projects']:
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yield (proj['repo'], branch['name'], branch['location'])
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument(
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'deliverable_file',
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nargs='*',
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help='paths to YAML files specifying releases',
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)
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parser.add_argument(
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'--releases-repo', '-r',
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default='.',
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help='path to the releases repository for automatic scanning',
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)
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args = parser.parse_args()
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results = get_modified_deliverable_file_content(
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args.releases_repo,
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args.deliverable_file,
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)
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for r in results:
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print(' '.join(r))
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return 0
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if __name__ == '__main__':
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main()
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