f1f7385a50
Currently all of the commits with 'X' in them cause person X to receive e-mails every time someone makes a public fork of Spark. marmbrus who requested this. Author: Patrick Wendell <pwendell@gmail.com> Closes #1239 from pwendell/strip and squashes the following commits: 22e5a97 [Patrick Wendell] Strip '@' symbols when merging pull requests.
332 lines
12 KiB
Python
Executable file
332 lines
12 KiB
Python
Executable file
#!/usr/bin/env python
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership.
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# The ASF licenses this file to You under the Apache License, Version 2.0
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# (the "License"); you may not use this file except in compliance with
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# the License. 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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#
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# Utility for creating well-formed pull request merges and pushing them to Apache.
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# usage: ./apache-pr-merge.py (see config env vars below)
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#
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# This utility assumes you already have local a Spark git folder and that you
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# have added remotes corresponding to both (i) the github apache Spark
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# mirror and (ii) the apache git repo.
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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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import tempfile
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import urllib2
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try:
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import jira.client
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JIRA_IMPORTED = True
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except ImportError:
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JIRA_IMPORTED = False
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# Location of your Spark git development area
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SPARK_HOME = os.environ.get("SPARK_HOME", "/home/patrick/Documents/spark")
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# Remote name which points to the Gihub site
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PR_REMOTE_NAME = os.environ.get("PR_REMOTE_NAME", "apache-github")
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# Remote name which points to Apache git
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PUSH_REMOTE_NAME = os.environ.get("PUSH_REMOTE_NAME", "apache")
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# ASF JIRA username
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JIRA_USERNAME = os.environ.get("JIRA_USERNAME", "pwendell")
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# ASF JIRA password
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JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "1234")
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GITHUB_BASE = "https://github.com/apache/spark/pull"
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GITHUB_API_BASE = "https://api.github.com/repos/apache/spark"
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JIRA_BASE = "https://issues.apache.org/jira/browse"
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JIRA_API_BASE = "https://issues.apache.org/jira"
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# Prefix added to temporary branches
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BRANCH_PREFIX = "PR_TOOL"
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os.chdir(SPARK_HOME)
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def get_json(url):
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try:
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return json.load(urllib2.urlopen(url))
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except urllib2.HTTPError as e:
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print "Unable to fetch URL, exiting: %s" % url
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sys.exit(-1)
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def fail(msg):
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print msg
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clean_up()
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sys.exit(-1)
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def run_cmd(cmd):
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if isinstance(cmd, list):
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return subprocess.check_output(cmd)
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else:
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return subprocess.check_output(cmd.split(" "))
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def continue_maybe(prompt):
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result = raw_input("\n%s (y/n): " % prompt)
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if result.lower() != "y":
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fail("Okay, exiting")
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original_head = run_cmd("git rev-parse HEAD")[:8]
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def clean_up():
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print "Restoring head pointer to %s" % original_head
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run_cmd("git checkout %s" % original_head)
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branches = run_cmd("git branch").replace(" ", "").split("\n")
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for branch in filter(lambda x: x.startswith(BRANCH_PREFIX), branches):
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print "Deleting local branch %s" % branch
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run_cmd("git branch -D %s" % branch)
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# merge the requested PR and return the merge hash
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def merge_pr(pr_num, target_ref):
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pr_branch_name = "%s_MERGE_PR_%s" % (BRANCH_PREFIX, pr_num)
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target_branch_name = "%s_MERGE_PR_%s_%s" % (BRANCH_PREFIX, pr_num, target_ref.upper())
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run_cmd("git fetch %s pull/%s/head:%s" % (PR_REMOTE_NAME, pr_num, pr_branch_name))
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run_cmd("git fetch %s %s:%s" % (PUSH_REMOTE_NAME, target_ref, target_branch_name))
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run_cmd("git checkout %s" % target_branch_name)
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had_conflicts = False
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try:
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run_cmd(['git', 'merge', pr_branch_name, '--squash'])
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except Exception as e:
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msg = "Error merging: %s\nWould you like to manually fix-up this merge?" % e
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continue_maybe(msg)
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msg = "Okay, please fix any conflicts and 'git add' conflicting files... Finished?"
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continue_maybe(msg)
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had_conflicts = True
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commit_authors = run_cmd(['git', 'log', 'HEAD..%s' % pr_branch_name,
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'--pretty=format:%an <%ae>']).split("\n")
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distinct_authors = sorted(set(commit_authors),
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key=lambda x: commit_authors.count(x), reverse=True)
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primary_author = distinct_authors[0]
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commits = run_cmd(['git', 'log', 'HEAD..%s' % pr_branch_name,
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'--pretty=format:%h [%an] %s']).split("\n\n")
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merge_message_flags = []
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merge_message_flags += ["-m", title]
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if body != None:
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# We remove @ symbols from the body to avoid triggering e-mails
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# to people every time someone creates a public fork of Spark.
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merge_message_flags += ["-m", body.replace("@", "")]
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authors = "\n".join(["Author: %s" % a for a in distinct_authors])
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merge_message_flags += ["-m", authors]
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if had_conflicts:
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committer_name = run_cmd("git config --get user.name").strip()
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committer_email = run_cmd("git config --get user.email").strip()
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message = "This patch had conflicts when merged, resolved by\nCommitter: %s <%s>" % (
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committer_name, committer_email)
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merge_message_flags += ["-m", message]
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# The string "Closes #%s" string is required for GitHub to correctly close the PR
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merge_message_flags += [
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"-m",
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"Closes #%s from %s and squashes the following commits:" % (pr_num, pr_repo_desc)]
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for c in commits:
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merge_message_flags += ["-m", c]
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run_cmd(['git', 'commit', '--author="%s"' % primary_author] + merge_message_flags)
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continue_maybe("Merge complete (local ref %s). Push to %s?" % (
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target_branch_name, PUSH_REMOTE_NAME))
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try:
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run_cmd('git push %s %s:%s' % (PUSH_REMOTE_NAME, target_branch_name, target_ref))
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except Exception as e:
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clean_up()
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fail("Exception while pushing: %s" % e)
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merge_hash = run_cmd("git rev-parse %s" % target_branch_name)[:8]
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clean_up()
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print("Pull request #%s merged!" % pr_num)
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print("Merge hash: %s" % merge_hash)
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return merge_hash
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def cherry_pick(pr_num, merge_hash, default_branch):
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pick_ref = raw_input("Enter a branch name [%s]: " % default_branch)
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if pick_ref == "":
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pick_ref = default_branch
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pick_branch_name = "%s_PICK_PR_%s_%s" % (BRANCH_PREFIX, pr_num, pick_ref.upper())
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run_cmd("git fetch %s %s:%s" % (PUSH_REMOTE_NAME, pick_ref, pick_branch_name))
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run_cmd("git checkout %s" % pick_branch_name)
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run_cmd("git cherry-pick -sx %s" % merge_hash)
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continue_maybe("Pick complete (local ref %s). Push to %s?" % (
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pick_branch_name, PUSH_REMOTE_NAME))
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try:
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run_cmd('git push %s %s:%s' % (PUSH_REMOTE_NAME, pick_branch_name, pick_ref))
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except Exception as e:
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clean_up()
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fail("Exception while pushing: %s" % e)
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pick_hash = run_cmd("git rev-parse %s" % pick_branch_name)[:8]
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clean_up()
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print("Pull request #%s picked into %s!" % (pr_num, pick_ref))
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print("Pick hash: %s" % pick_hash)
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return pick_ref
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def fix_version_from_branch(branch, versions):
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# Note: Assumes this is a sorted (newest->oldest) list of un-released versions
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if branch == "master":
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return versions[0]
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else:
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branch_ver = branch.replace("branch-", "")
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return filter(lambda x: x.name.startswith(branch_ver), versions)[-1]
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def resolve_jira(title, merge_branches, comment):
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asf_jira = jira.client.JIRA({'server': JIRA_API_BASE},
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basic_auth=(JIRA_USERNAME, JIRA_PASSWORD))
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default_jira_id = ""
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search = re.findall("SPARK-[0-9]{4,5}", title)
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if len(search) > 0:
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default_jira_id = search[0]
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jira_id = raw_input("Enter a JIRA id [%s]: " % default_jira_id)
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if jira_id == "":
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jira_id = default_jira_id
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try:
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issue = asf_jira.issue(jira_id)
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except Exception as e:
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fail("ASF JIRA could not find %s\n%s" % (jira_id, e))
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cur_status = issue.fields.status.name
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cur_summary = issue.fields.summary
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cur_assignee = issue.fields.assignee
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if cur_assignee is None:
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cur_assignee = "NOT ASSIGNED!!!"
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else:
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cur_assignee = cur_assignee.displayName
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if cur_status == "Resolved" or cur_status == "Closed":
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fail("JIRA issue %s already has status '%s'" % (jira_id, cur_status))
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print ("=== JIRA %s ===" % jira_id)
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print ("summary\t\t%s\nassignee\t%s\nstatus\t\t%s\nurl\t\t%s/%s\n" % (
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cur_summary, cur_assignee, cur_status, JIRA_BASE, jira_id))
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versions = asf_jira.project_versions("SPARK")
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versions = sorted(versions, key=lambda x: x.name, reverse=True)
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versions = filter(lambda x: x.raw['released'] is False, versions)
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default_fix_versions = map(lambda x: fix_version_from_branch(x, versions).name, merge_branches)
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for v in default_fix_versions:
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# Handles the case where we have forked a release branch but not yet made the release.
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# In this case, if the PR is committed to the master branch and the release branch, we
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# only consider the release branch to be the fix version. E.g. it is not valid to have
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# both 1.1.0 and 1.0.0 as fix versions.
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(major, minor, patch) = v.split(".")
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if patch == "0":
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previous = "%s.%s.%s" % (major, int(minor) - 1, 0)
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if previous in default_fix_versions:
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default_fix_versions = filter(lambda x: x != v, default_fix_versions)
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default_fix_versions = ",".join(default_fix_versions)
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fix_versions = raw_input("Enter comma-separated fix version(s) [%s]: " % default_fix_versions)
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if fix_versions == "":
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fix_versions = default_fix_versions
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fix_versions = fix_versions.replace(" ", "").split(",")
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def get_version_json(version_str):
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return filter(lambda v: v.name == version_str, versions)[0].raw
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jira_fix_versions = map(lambda v: get_version_json(v), fix_versions)
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resolve = filter(lambda a: a['name'] == "Resolve Issue", asf_jira.transitions(jira_id))[0]
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asf_jira.transition_issue(
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jira_id, resolve["id"], fixVersions=jira_fix_versions, comment=comment)
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print "Succesfully resolved %s with fixVersions=%s!" % (jira_id, fix_versions)
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branches = get_json("%s/branches" % GITHUB_API_BASE)
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branch_names = filter(lambda x: x.startswith("branch-"), [x['name'] for x in branches])
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# Assumes branch names can be sorted lexicographically
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latest_branch = sorted(branch_names, reverse=True)[0]
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pr_num = raw_input("Which pull request would you like to merge? (e.g. 34): ")
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pr = get_json("%s/pulls/%s" % (GITHUB_API_BASE, pr_num))
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url = pr["url"]
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title = pr["title"]
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body = pr["body"]
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target_ref = pr["base"]["ref"]
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user_login = pr["user"]["login"]
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base_ref = pr["head"]["ref"]
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pr_repo_desc = "%s/%s" % (user_login, base_ref)
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if pr["merged"] is True:
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print "Pull request %s has already been merged, assuming you want to backport" % pr_num
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merge_commit_desc = run_cmd([
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'git', 'log', '--merges', '--first-parent',
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'--grep=pull request #%s' % pr_num, '--oneline']).split("\n")[0]
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if merge_commit_desc == "":
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fail("Couldn't find any merge commit for #%s, you may need to update HEAD." % pr_num)
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merge_hash = merge_commit_desc[:7]
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message = merge_commit_desc[8:]
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print "Found: %s" % message
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maybe_cherry_pick(pr_num, merge_hash, latest_branch)
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sys.exit(0)
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if not bool(pr["mergeable"]):
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msg = "Pull request %s is not mergeable in its current form.\n" % pr_num + \
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"Continue? (experts only!)"
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continue_maybe(msg)
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print ("\n=== Pull Request #%s ===" % pr_num)
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print ("title\t%s\nsource\t%s\ntarget\t%s\nurl\t%s" % (
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title, pr_repo_desc, target_ref, url))
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continue_maybe("Proceed with merging pull request #%s?" % pr_num)
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merged_refs = [target_ref]
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merge_hash = merge_pr(pr_num, target_ref)
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pick_prompt = "Would you like to pick %s into another branch?" % merge_hash
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while raw_input("\n%s (y/n): " % pick_prompt).lower() == "y":
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merged_refs = merged_refs + [cherry_pick(pr_num, merge_hash, latest_branch)]
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if JIRA_IMPORTED:
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continue_maybe("Would you like to update an associated JIRA?")
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jira_comment = "Issue resolved by pull request %s\n[%s/%s]" % (pr_num, GITHUB_BASE, pr_num)
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resolve_jira(title, merged_refs, jira_comment)
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else:
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print "Could not find jira-python library. Run 'sudo pip install jira-python' to install."
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print "Exiting without trying to close the associated JIRA."
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