mirror of
https://github.com/lucaspalomodevelop/indico-plugins.git
synced 2026-03-12 23:27:22 +00:00
101 lines
3.3 KiB
Python
101 lines
3.3 KiB
Python
# This file is part of the Indico plugins.
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# Copyright (C) 2002 - 2024 CERN
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#
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# The Indico plugins are free software; you can redistribute
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# them and/or modify them under the terms of the MIT License;
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# see the LICENSE file for more details.
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import itertools
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import json
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import os
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import re
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import subprocess
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import sys
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CORE = sys.argv[1]
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SCOPE = sys.argv[2]
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CORE_USER, CORE_REPO = CORE.split('/')
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def lookup_via_referenced_prs():
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this_pr_body = os.environ['PR_BODY']
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this_base_ref = os.environ['PR_BASE_REF']
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referenced_prs = set()
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for match in itertools.chain(
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re.finditer(r'(?:(?<![/\w.-])(\w[\w.-]+)/(\w[\w.-]+)|\B)#([1-9]\d*)\b', this_pr_body),
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re.finditer(r'\bhttps://github\.com/([^/]+)/([^/]+)/pull/([1-9]\d*)\b', this_pr_body)
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):
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user, repo, num = match.groups()
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if user != CORE_USER or repo != CORE_REPO:
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continue
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referenced_prs.add(int(num))
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print(f'Referenced core PRs: {referenced_prs or "none"}')
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if not referenced_prs:
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return None
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candidates = {}
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for num in referenced_prs:
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try:
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resp = subprocess.check_output(['gh', 'api', f'repos/{CORE}/pulls/{num}'], encoding='utf-8')
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except subprocess.CalledProcessError:
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print(f'Discarding {num}: not found (probably an issue and not a PR)')
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continue
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pr_data = json.loads(resp)
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if pr_data['state'] != 'open':
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print(f'Discarding {num}: not open')
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continue
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head_ref = pr_data['head']['ref']
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head_repo = pr_data['head']['repo']['full_name']
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base_ref = pr_data['base']['ref']
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if base_ref != this_base_ref:
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print(f'Discarding {num}: different base branches ({base_ref} != {this_base_ref})')
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continue
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candidates[num] = (head_repo, head_ref)
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print(f'Viable core PRs: {",".join(map(str, candidates)) or "none"}')
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if len(candidates) > 1:
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print('Found multiple PRs, not guessing which one to use')
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# Fail the CI run - if this ever happens, we may be able to come up with suitable logic to pick one
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sys.exit(1)
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elif not candidates:
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print('Found no suitable PRs')
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return None
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return candidates.popitem()[1]
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def main():
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gh_event = os.environ['GITHUB_EVENT_NAME']
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check_common_branch = True
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if gh_event == 'push':
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full_repo = CORE
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branch = os.environ['GITHUB_REF'].removeprefix('refs/heads/')
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print(f'Using current branch: {branch}')
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elif gh_event == 'pull_request':
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if res := lookup_via_referenced_prs():
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full_repo, branch = res
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check_common_branch = False
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print(f'Using branch from referenced core PR: {full_repo}:{branch}')
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else:
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full_repo = CORE
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branch = os.environ['GITHUB_BASE_REF'].removeprefix('refs/heads/')
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print(f'Using branch from PR target: {branch}')
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else:
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print(f'Unsupported event: {gh_event}')
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return 1
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if check_common_branch and branch != 'master' and not branch.endswith('.x'):
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print(f'Uncommon branch {branch}; defaulting to master')
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branch = 'master'
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with open(os.environ['GITHUB_ENV'], 'a') as f:
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f.write(f'{SCOPE}_REPO={full_repo}\n')
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f.write(f'{SCOPE}_BRANCH={branch}\n')
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return 0
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if __name__ == '__main__':
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sys.exit(main())
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