| #!/usr/bin/env python3 |
| |
| # Licensed to the Apache Software Foundation (ASF) under one or more |
| # contributor license agreements. See the NOTICE file distributed with |
| # this work for additional information regarding copyright ownership. |
| # The ASF licenses this file to You under the Apache License, Version 2.0 |
| # (the "License"); you may not use this file except in compliance with |
| # the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| import os |
| import re |
| import requests |
| import subprocess |
| import sys |
| |
| |
| def extract_pr_title_from_commit_message(commit_msg): |
| # Extract commit message except the pr number |
| pr_num_pos = commit_msg.find("(#") |
| if pr_num_pos < 0: |
| pr_num_pos = len(commit_msg) |
| backport_pos = commit_msg.find("[Backport]") |
| if backport_pos < 0: |
| backport_pos = 0 |
| else: |
| backport_pos = backport_pos + len("[Backport]") |
| return commit_msg[backport_pos:pr_num_pos].strip() |
| |
| |
| def extract_pr_title(pr_json): |
| commit_url = pr_json['commits_url'] |
| resp = requests.get(commit_url, auth=(github_username, os.environ["GIT_TOKEN"])) |
| title_candidates = [extract_pr_title_from_commit_message(pr_json['title'])] |
| if len(resp.json()) == 1: |
| title_candidates.append(extract_pr_title_from_commit_message(resp.json()[0]['commit']['message'])) |
| return title_candidates |
| |
| |
| def find_missing_backports(pr_jsons, release_pr_subjects): |
| for pr in pr_jsons: |
| if pr['milestone'] is not None: |
| if pr['milestone']['number'] == milestone_number: |
| for pr_title_candidate in extract_pr_title(pr): |
| if pr_title_candidate in release_pr_subjects: |
| return |
| print("Missing backport found for PR {}, url: {}".format(pr['number'], pr['html_url'])) |
| |
| |
| def find_next_url(links): |
| for link in links: |
| link = link.strip() |
| if link.find("rel=\"next\"") >= 0: |
| match_result = re.match("<https.*>", link) |
| if match_result is None: |
| raise Exception("Next link[{}] is found but can't find url".format(link)) |
| else: |
| url_holder = match_result.group(0) |
| return url_holder[1:-1] |
| return None |
| |
| |
| if len(sys.argv) != 5: |
| sys.stderr.write('usage: program <github-username> <previous-release-branch> <current-release-branch> <milestone-number>\n') |
| sys.stderr.write(" e.g., program myusername 0.17.0 0.18.0 30") |
| sys.stderr.write(" It is also necessary to set a GIT_TOKEN environment variable containing a personal access token.") |
| sys.exit(1) |
| |
| github_username = sys.argv[1] |
| previous_branch = sys.argv[2] |
| release_branch = sys.argv[3] |
| milestone_number = int(sys.argv[4]) |
| |
| master_branch = "master" |
| command = "git log {}..{} --oneline | tail -1".format(master_branch, previous_branch) |
| |
| # Find the commit where the previous release branch was cut from master |
| previous_branch_first_commit = subprocess.check_output(command, shell=True).decode('UTF-8') |
| match_result = re.match("(\w+) .*", previous_branch_first_commit) |
| if match_result is None: |
| raise Exception("Can't find the first commit of the previous release.") |
| previous_branch_first_commit = match_result.group(1) |
| |
| print("Previous branch: {}, first commit: {}".format(previous_branch, previous_branch_first_commit)) |
| |
| # Find all commits between that commit and the current release branch |
| command = "git log --pretty=tformat:%s {}..{}".format(previous_branch_first_commit, release_branch) |
| all_release_commits = subprocess.check_output(command, shell=True).decode('UTF-8') |
| |
| release_pr_subjects = set() |
| for commit_msg in all_release_commits.splitlines(): |
| title = extract_pr_title_from_commit_message(commit_msg) |
| release_pr_subjects.add(title) |
| |
| # Get all closed PRs and filter out with milestone |
| next_url = "https://api.github.com/repos/apache/druid/pulls?state=closed" |
| |
| while next_url is not None: |
| resp = requests.get(next_url, auth=(github_username, os.environ["GIT_TOKEN"])) |
| find_missing_backports(resp.json(), release_pr_subjects) |
| links = resp.headers['Link'].split(',') |
| next_url = find_next_url(links) |