| #!/usr/bin/env python |
| |
| # |
| # 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. |
| # |
| |
| # Utility for creating well-formed pull request merges and pushing them to |
| # Apache. |
| # usage: ./merge_arrow_pr.py (see config env vars below) |
| # |
| # This utility assumes you already have a local Arrow git clone and that you |
| # have added remotes corresponding to both (i) the Github Apache Arrow mirror |
| # and (ii) the apache git repo. |
| |
| import os |
| import re |
| import subprocess |
| import sys |
| import requests |
| import getpass |
| |
| from six.moves import input |
| import six |
| |
| try: |
| import jira.client |
| except ImportError: |
| print("Could not find jira-python library. " |
| "Run 'sudo pip install jira-python' to install.") |
| print("Exiting without trying to close the associated JIRA.") |
| sys.exit(1) |
| |
| |
| # Prefix added to temporary branches |
| BRANCH_PREFIX = "PR_TOOL" |
| JIRA_API_BASE = "https://issues.apache.org/jira" |
| |
| |
| def get_json(url): |
| req = requests.get(url) |
| return req.json() |
| |
| |
| def run_cmd(cmd): |
| if isinstance(cmd, six.string_types): |
| cmd = cmd.split(' ') |
| |
| try: |
| output = subprocess.check_output(cmd) |
| except subprocess.CalledProcessError as e: |
| # this avoids hiding the stdout / stderr of failed processes |
| print('Command failed: %s' % cmd) |
| print('With output:') |
| print('--------------') |
| print(e.output) |
| print('--------------') |
| raise e |
| |
| if isinstance(output, six.binary_type): |
| output = output.decode('utf-8') |
| return output |
| |
| |
| original_head = run_cmd("git rev-parse HEAD")[:8] |
| |
| |
| def clean_up(): |
| print("Restoring head pointer to %s" % original_head) |
| run_cmd("git checkout %s" % original_head) |
| |
| branches = run_cmd("git branch").replace(" ", "").split("\n") |
| |
| for branch in [x for x in branches |
| if x.startswith(BRANCH_PREFIX)]: |
| print("Deleting local branch %s" % branch) |
| run_cmd("git branch -D %s" % branch) |
| |
| |
| _REGEX_CI_DIRECTIVE = re.compile('\[[^\]]*\]') |
| |
| |
| def strip_ci_directives(commit_message): |
| # Remove things like '[force ci]', '[skip appveyor]' from the assembled |
| # commit message |
| return _REGEX_CI_DIRECTIVE.sub('', commit_message) |
| |
| |
| def fix_version_from_branch(branch, versions): |
| # Note: Assumes this is a sorted (newest->oldest) list of un-released |
| # versions |
| if branch == "master": |
| return versions[-1] |
| else: |
| branch_ver = branch.replace("branch-", "") |
| return [x for x in versions if x.name.startswith(branch_ver)][-1] |
| |
| |
| # We can merge both ARROW and PARQUET patchesa |
| SUPPORTED_PROJECTS = ['ARROW', 'PARQUET'] |
| PR_TITLE_REGEXEN = [(project, re.compile(r'^(' + project + r'-[0-9]+)\b.*$')) |
| for project in SUPPORTED_PROJECTS] |
| |
| |
| class JiraIssue(object): |
| |
| def __init__(self, jira_con, jira_id, project, cmd): |
| self.jira_con = jira_con |
| self.jira_id = jira_id |
| self.project = project |
| self.cmd = cmd |
| |
| try: |
| self.issue = jira_con.issue(jira_id) |
| except Exception as e: |
| self.cmd.fail("ASF JIRA could not find %s\n%s" % (jira_id, e)) |
| |
| def get_candidate_fix_versions(self, merge_branches=('master',)): |
| # Only suggest versions starting with a number, like 0.x but not JS-0.x |
| all_versions = self.jira_con.project_versions(self.project) |
| unreleased_versions = [x for x in all_versions |
| if not x.raw['released']] |
| |
| unreleased_versions = sorted(unreleased_versions, |
| key=lambda x: x.name, reverse=True) |
| |
| mainline_version_regex = re.compile('\d.*') |
| mainline_versions = [x for x in unreleased_versions |
| if mainline_version_regex.match(x.name)] |
| |
| default_fix_versions = [ |
| fix_version_from_branch(x, mainline_versions).name |
| for x in merge_branches] |
| |
| for v in default_fix_versions: |
| # Handles the case where we have forked a release branch but not |
| # yet made the release. In this case, if the PR is committed to |
| # the master branch and the release branch, we only consider the |
| # release branch to be the fix version. E.g. it is not valid to |
| # have both 1.1.0 and 1.0.0 as fix versions. |
| (major, minor, patch) = v.split(".") |
| if patch == "0": |
| previous = "%s.%s.%s" % (major, int(minor) - 1, 0) |
| if previous in default_fix_versions: |
| default_fix_versions = [x for x in default_fix_versions |
| if x != v] |
| |
| return unreleased_versions, default_fix_versions |
| |
| def resolve(self, fix_versions, comment): |
| cur_status = self.issue.fields.status.name |
| cur_summary = self.issue.fields.summary |
| cur_assignee = self.issue.fields.assignee |
| if cur_assignee is None: |
| cur_assignee = "NOT ASSIGNED!!!" |
| else: |
| cur_assignee = cur_assignee.displayName |
| |
| if cur_status == "Resolved" or cur_status == "Closed": |
| self.cmd.fail("JIRA issue %s already has status '%s'" |
| % (self.jira_id, cur_status)) |
| print("=== JIRA %s ===" % self.jira_id) |
| print("summary\t\t%s\nassignee\t%s\nstatus\t\t%s\nurl\t\t%s/%s\n" |
| % (cur_summary, cur_assignee, cur_status, |
| '/'.join((JIRA_API_BASE, 'browse')), |
| self.jira_id)) |
| |
| resolve = [x for x in self.jira_con.transitions(self.jira_id) |
| if x['name'] == "Resolve Issue"][0] |
| self.jira_con.transition_issue(self.jira_id, resolve["id"], |
| comment=comment, |
| fixVersions=fix_versions) |
| |
| print("Successfully resolved %s!" % (self.jira_id)) |
| |
| |
| class GitHubAPI(object): |
| |
| def __init__(self, project_name): |
| self.github_api = ("https://api.github.com/repos/apache/{0}" |
| .format(project_name)) |
| |
| def get_pr_data(self, number): |
| return get_json("%s/pulls/%s" % (self.github_api, number)) |
| |
| |
| class CommandInput(object): |
| """ |
| Interface to input(...) to enable unit test mocks to be created |
| """ |
| |
| def fail(self, msg): |
| clean_up() |
| raise Exception(msg) |
| |
| def prompt(self, prompt): |
| return input(prompt) |
| |
| def getpass(self, prompt): |
| return getpass.getpass(prompt) |
| |
| def continue_maybe(self, prompt): |
| result = input("\n%s (y/n): " % prompt) |
| if result.lower() != "y": |
| self.fail("Okay, exiting") |
| |
| |
| class PullRequest(object): |
| |
| def __init__(self, cmd, github_api, git_remote, jira_con, number): |
| self.cmd = cmd |
| self.git_remote = git_remote |
| self.con = jira_con |
| self.number = number |
| self._pr_data = github_api.get_pr_data(number) |
| self.url = self._pr_data["url"] |
| self.title = self._pr_data["title"] |
| |
| self.body = self._pr_data["body"] |
| self.target_ref = self._pr_data["base"]["ref"] |
| self.user_login = self._pr_data["user"]["login"] |
| self.base_ref = self._pr_data["head"]["ref"] |
| self.description = "%s/%s" % (self.user_login, self.base_ref) |
| |
| self.jira_issue = self._get_jira() |
| |
| def show(self): |
| print("\n=== Pull Request #%s ===" % self.number) |
| print("title\t%s\nsource\t%s\ntarget\t%s\nurl\t%s" |
| % (self.title, self.description, self.target_ref, self.url)) |
| |
| @property |
| def is_merged(self): |
| return bool(self._pr_data["merged"]) |
| |
| @property |
| def is_mergeable(self): |
| return bool(self._pr_data["mergeable"]) |
| |
| def _get_jira(self): |
| jira_id = None |
| for project, regex in PR_TITLE_REGEXEN: |
| m = regex.search(self.title) |
| if m: |
| jira_id = m.group(1) |
| break |
| |
| if jira_id is None: |
| options = ' or '.join('{0}-XXX'.format(project) |
| for project in SUPPORTED_PROJECTS) |
| self.cmd.fail("PR title should be prefixed by a jira id " |
| "{0}, but found {1}".format(options, self.title)) |
| |
| return JiraIssue(self.con, jira_id, project, self.cmd) |
| |
| def merge(self, target_ref='master'): |
| """ |
| merge the requested PR and return the merge hash |
| """ |
| pr_branch_name = "%s_MERGE_PR_%s" % (BRANCH_PREFIX, self.number) |
| target_branch_name = "%s_MERGE_PR_%s_%s" % (BRANCH_PREFIX, |
| self.number, |
| target_ref.upper()) |
| run_cmd("git fetch %s pull/%s/head:%s" % (self.git_remote, |
| self.number, |
| pr_branch_name)) |
| run_cmd("git fetch %s %s:%s" % (self.git_remote, target_ref, |
| target_branch_name)) |
| run_cmd("git checkout %s" % target_branch_name) |
| |
| had_conflicts = False |
| try: |
| run_cmd(['git', 'merge', pr_branch_name, '--squash']) |
| except Exception as e: |
| msg = ("Error merging: %s\nWould you like to " |
| "manually fix-up this merge?" % e) |
| self.cmd.continue_maybe(msg) |
| msg = ("Okay, please fix any conflicts and 'git add' " |
| "conflicting files... Finished?") |
| self.cmd.continue_maybe(msg) |
| had_conflicts = True |
| |
| commit_authors = run_cmd(['git', 'log', 'HEAD..%s' % pr_branch_name, |
| '--pretty=format:%an <%ae>']).split("\n") |
| distinct_authors = sorted(set(commit_authors), |
| key=lambda x: commit_authors.count(x), |
| reverse=True) |
| primary_author = distinct_authors[0] |
| commits = run_cmd(['git', 'log', 'HEAD..%s' % pr_branch_name, |
| '--pretty=format:%h <%an> %s']).split("\n\n") |
| |
| merge_message_flags = [] |
| |
| merge_message_flags += ["-m", self.title] |
| if self.body is not None: |
| merge_message_flags += ["-m", self.body] |
| |
| authors = "\n".join(["Author: %s" % a for a in distinct_authors]) |
| |
| merge_message_flags += ["-m", authors] |
| |
| if had_conflicts: |
| committer_name = run_cmd("git config --get user.name").strip() |
| committer_email = run_cmd("git config --get user.email").strip() |
| message = ("This patch had conflicts when merged, " |
| "resolved by\nCommitter: %s <%s>" % |
| (committer_name, committer_email)) |
| merge_message_flags += ["-m", message] |
| |
| # The string "Closes #%s" string is required for GitHub to correctly |
| # close the PR |
| merge_message_flags += [ |
| "-m", |
| "Closes #%s from %s and squashes the following commits:" |
| % (self.number, self.description)] |
| for c in commits: |
| stripped_message = strip_ci_directives(c).strip() |
| merge_message_flags += ["-m", stripped_message] |
| |
| run_cmd(['git', 'commit', |
| '--no-verify', # do not run commit hooks |
| '--author="%s"' % primary_author] + |
| merge_message_flags) |
| |
| self.cmd.continue_maybe("Merge complete (local ref %s). Push to %s?" |
| % (target_branch_name, self.git_remote)) |
| |
| try: |
| run_cmd('git push %s %s:%s' % (self.git_remote, |
| target_branch_name, |
| target_ref)) |
| except Exception as e: |
| clean_up() |
| self.cmd.fail("Exception while pushing: %s" % e) |
| |
| merge_hash = run_cmd("git rev-parse %s" % target_branch_name)[:8] |
| clean_up() |
| print("Pull request #%s merged!" % self.number) |
| print("Merge hash: %s" % merge_hash) |
| return merge_hash |
| |
| |
| def cli(): |
| # Location of your Arrow git clone |
| SEP = os.path.sep |
| ARROW_HOME = os.path.abspath(__file__).rsplit(SEP, 2)[0] |
| PROJECT_NAME = ARROW_HOME.rsplit(SEP, 1)[1] |
| print("ARROW_HOME = " + ARROW_HOME) |
| print("PROJECT_NAME = " + PROJECT_NAME) |
| |
| cmd = CommandInput() |
| |
| # ASF JIRA username |
| jira_username = os.environ.get("JIRA_USERNAME") |
| |
| # ASF JIRA password |
| jira_password = os.environ.get("JIRA_PASSWORD") |
| |
| if not jira_username: |
| jira_username = cmd.prompt("Env JIRA_USERNAME not set, " |
| "please enter your JIRA username:") |
| |
| if not jira_password: |
| jira_password = cmd.getpass("Env JIRA_PASSWORD not set, " |
| "please enter " |
| "your JIRA password:") |
| |
| pr_num = input("Which pull request would you like to merge? (e.g. 34): ") |
| |
| # Remote name which points to the GitHub site |
| git_remote = os.environ.get("PR_REMOTE_NAME", "apache") |
| |
| os.chdir(ARROW_HOME) |
| |
| jira_con = jira.client.JIRA({'server': JIRA_API_BASE}, |
| basic_auth=(jira_username, jira_password)) |
| github_api = GitHubAPI(PROJECT_NAME) |
| |
| pr = PullRequest(cmd, github_api, git_remote, jira_con, pr_num) |
| |
| if pr.is_merged: |
| print("Pull request %s has already been merged") |
| sys.exit(0) |
| |
| if not pr.is_mergeable: |
| msg = ("Pull request %s is not mergeable in its current form.\n" |
| % pr_num + "Continue? (experts only!)") |
| cmd.continue_maybe(msg) |
| |
| pr.show() |
| |
| cmd.continue_maybe("Proceed with merging pull request #%s?" % pr_num) |
| |
| # merged hash not used |
| pr.merge() |
| |
| cmd.continue_maybe("Would you like to update the associated JIRA?") |
| jira_comment = ( |
| "Issue resolved by pull request %s\n[%s/%s]" |
| % (pr_num, |
| "https://github.com/apache/" + PROJECT_NAME + "/pull", |
| pr_num)) |
| |
| versions, default_fix_versions = pr.jira_issue.get_candidate_fix_versions() |
| |
| default_fix_versions = ",".join(default_fix_versions) |
| |
| issue_fix_versions = cmd.prompt("Enter comma-separated " |
| "fix version(s) [%s]: " |
| % default_fix_versions) |
| if issue_fix_versions == "": |
| issue_fix_versions = default_fix_versions |
| issue_fix_versions = issue_fix_versions.replace(" ", "").split(",") |
| |
| def get_version_json(version_str): |
| return [x for x in versions if x.name == version_str][0].raw |
| |
| fix_versions_json = [get_version_json(v) for v in issue_fix_versions] |
| pr.jira_issue.resolve(fix_versions_json, jira_comment) |
| |
| |
| if __name__ == '__main__': |
| try: |
| cli() |
| except Exception as e: |
| print(e.args[0]) |
