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#!/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
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# 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. This script is a modified version
# of the one created by the Spark project (
# Usage: ./ (see config env vars below)
# This utility assumes you already have local a bookkeeper git folder and that you
# have added remotes corresponding to the github apache bookkeeper repo.
import json
import os
import re
import subprocess
import sys
import urllib2
PROJECT_NAME = "bookkeeper"
GITHUB_ISSUES_NAME = "issue".upper()
# Location of the local git repository
REPO_HOME = os.environ.get("%s_HOME" % CAPITALIZED_PROJECT_NAME, os.getcwd())
# Remote name which points to the GitHub site
PR_REMOTE_NAME = os.environ.get("PR_REMOTE_NAME", "apache")
# Github API page size
GITHUB_PAGE_SIZE = os.environ.get("GH_PAGE_SIZE", "100")
# OAuth key used for issuing requests against the GitHub API. If this is not defined, then requests
# will be unauthenticated. You should only need to configure this if you find yourself regularly
# exceeding your IP's unauthenticated request rate limit. You can create an OAuth key at
# This script only requires the "public_repo" scope.
GITHUB_USER = os.environ.get("GITHUB_USER", "apache")
# Prefix added to temporary branches
def get_json(url, preview_api = False):
request = urllib2.Request(url)
request.add_header('Authorization', 'token %s' % GITHUB_OAUTH_KEY)
if preview_api:
request.add_header('Accept', 'application/')
return json.load(urllib2.urlopen(request))
except urllib2.HTTPError as e:
if "X-RateLimit-Remaining" in e.headers and e.headers["X-RateLimit-Remaining"] == '0':
print("Exceeded the GitHub API rate limit; see the instructions in " + \
" to configure an OAuth token for making authenticated " + \
"GitHub requests.")
print("Unable to fetch URL, exiting: %s" % url)
def post_json(url, data):
request = urllib2.Request(url, data, { 'Content-Type': 'application/json' })
request.add_header('Authorization', 'token %s' % GITHUB_OAUTH_KEY)
return json.load(urllib2.urlopen(request))
except urllib2.HTTPError as e:
if "X-RateLimit-Remaining" in e.headers and e.headers["X-RateLimit-Remaining"] == '0':
print("Exceeded the GitHub API rate limit; see the instructions in " + \
" to configure an OAuth token for making authenticated " + \
"GitHub requests.")
print("Unable to fetch URL, exiting: %s - %s" % (url, e))
def put_json(url, data):
request = urllib2.Request(url, data, { 'Content-Type': 'application/json' })
request.get_method = lambda: 'PUT'
request.add_header('Authorization', 'token %s' % GITHUB_OAUTH_KEY)
return json.load(urllib2.urlopen(request))
except urllib2.HTTPError as e:
if "X-RateLimit-Remaining" in e.headers and e.headers["X-RateLimit-Remaining"] == '0':
print("Exceeded the GitHub API rate limit; see the instructions in " + \
" to configure an OAuth token for making authenticated " + \
"GitHub requests.")
print("Unable to fetch URL, exiting: %s - %s" % (url, e))
def fail(msg):
def run_cmd(cmd):
if isinstance(cmd, list):
return subprocess.check_output(cmd)
return subprocess.check_output(cmd.split(" "))
def continue_maybe(prompt):
result = raw_input("\n%s (y/n): " % prompt)
if result.lower() != "y":
fail("Okay, exiting")
def clean_up():
if original_head != get_current_branch():
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 filter(lambda x: x.startswith(TEMP_BRANCH_PREFIX), branches):
print("Deleting local branch %s" % branch)
run_cmd("git branch -D %s" % branch)
def get_current_branch():
return run_cmd("git rev-parse --abbrev-ref HEAD").replace("\n", "")
def get_milestones():
return get_json("" % (GITHUB_USER, PROJECT_NAME))
def get_all_labels():
return map(lambda x: x['name'], result)
# merge the requested PR and return the merge hash
def merge_pr(pr_num, target_ref, title, body, default_pr_reviewers, pr_repo_desc):
pr_branch_name = "%s_MERGE_PR_%s" % (TEMP_BRANCH_PREFIX, pr_num)
run_cmd("git fetch %s pull/%s/head:%s" % (PR_REMOTE_NAME, pr_num, pr_branch_name))
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 = raw_input(
"Enter primary author in the format of \"name <email>\" [%s]: " %
if primary_author == "":
primary_author = distinct_authors[0]
reviewers = raw_input("Enter reviewers [%s]: " % default_pr_reviewers).strip()
if reviewers == '':
reviewers = default_pr_reviewers
commits = run_cmd(['git', 'log', 'HEAD..%s' % pr_branch_name,
'--pretty=format:%h [%an] %s']).split("\n")
if len(commits) > 1:
result = raw_input("List pull request commits in squashed commit message? (y/n): ")
if result.lower() == "y":
should_list_commits = True
should_list_commits = False
should_list_commits = False
merge_message_flags = []
if body is not None:
# We remove @ symbols from the body to avoid triggering e-mails
# to people every time someone creates a public fork of the project.
merge_message_flags += [body.replace("@", "")]
authors = "\n".join(["Author: %s" % a for a in distinct_authors])
merge_message_flags += [authors]
if (reviewers != ""):
merge_message_flags += ["Reviewers: %s" % reviewers]
# The string "Closes #%s" string is required for GitHub to correctly close the PR
close_line = "This closes #%s from %s" % (pr_num, pr_repo_desc)
# Find the github issues to close
github_issues = re.findall("#[0-9]{3,6}", title)
if len(github_issues) != 0:
for issue_id in github_issues:
close_line += ", closes %s" % (issue_id)
if should_list_commits:
close_line += " and squashes the following commits:"
merge_message_flags += [close_line]
if should_list_commits:
merge_message_flags += ["\n".join(commits)]
pr_sha = run_cmd("git rev-parse %s" % pr_branch_name).rstrip()
merge_url = get_github_issue_merge_url(pr_num)
data = json.dumps({
'commit_title': title,
'commit_message': "\n\n".join(merge_message_flags),
'sha': pr_sha,
'merge_method': 'squash'
}, indent = 4)
continue_maybe("Merge Pull Request (%s) with following details:\n%s" % (
pr_num, data))
resp = put_json(merge_url, data)
merge_hash = resp['sha']
merge_log = title + '\n' + "\n\n".join(merge_message_flags)
print("Pull request #%s merged!" % pr_num)
print("Merge hash: %s" % merge_hash)
return merge_hash, merge_log
def ask_for_branch(default_branch):
pick_ref = raw_input("Enter a branch name [%s]: " % default_branch)
if pick_ref == "":
pick_ref = default_branch
return pick_ref
def cherry_pick(pr_num, merge_hash, pick_ref):
pick_branch_name = "%s_PICK_PR_%s_%s" % (TEMP_BRANCH_PREFIX, pr_num, pick_ref.upper())
run_cmd("git fetch %s %s:%s" % (PR_REMOTE_NAME, pick_ref, pick_branch_name))
run_cmd("git checkout %s" % pick_branch_name)
run_cmd("git cherry-pick -sx %s" % merge_hash)
except Exception as e:
msg = "Error cherry-picking: %s\nWould you like to manually fix-up this merge?" % e
msg = "Okay, please fix any conflicts and finish the cherry-pick. Finished?"
continue_maybe("Pick complete (local ref %s). Push to %s?" % (
pick_branch_name, PR_REMOTE_NAME))
run_cmd('git push %s %s:%s' % (PR_REMOTE_NAME, pick_branch_name, pick_ref))
except Exception as e:
fail("Exception while pushing: %s" % e)
pick_hash = run_cmd("git rev-parse %s" % pick_branch_name)[:8]
print("Pull request #%s picked into %s!" % (pr_num, pick_ref))
print("Pick hash: %s" % pick_hash)
return pick_ref
def fix_version_from_branch(branch, versions, target_ref):
# Note: Assumes this is a sorted (newest->oldest) list of un-released versions
if branch == target_ref:
versions = filter(lambda x: x == DEFAULT_FIX_VERSION, versions)
if len(versions) > 0:
return versions[0]
return None
versions = filter(lambda x: x.startswith(branch), versions)
if len(versions) > 0:
return versions[-1]
return None
def standardize_issue_ref(text):
Standardize the github reference commit message prefix to "Issue #XXX: Issue"
'ISSUE #376: Script for generating patch for reviews'
github_issue_refs = []
github_issue_ids = []
components = []
# Extract Github Issue ref(s)
pattern = re.compile(r'(%s[-\s]*([0-9]{3,6}))+' % GITHUB_ISSUES_NAME, re.IGNORECASE)
for ref in pattern.findall(text):
# Add brackets, replace spaces or a dash with ' #', & convert to uppercase
github_issue_refs.append(re.sub(r'[-\s]+', ' #', ref[0].upper()))
text = text.replace(ref[0], '')
# Extract project name component(s):
# Look for alphanumeric chars, spaces, dashes, periods, and/or commas
pattern = re.compile(r'(\[[\w\s,-\.]+\])', re.IGNORECASE)
for component in pattern.findall(text):
text = text.replace(component, '')
# Cleanup any remaining symbols:
pattern = re.compile(r'^\W+(.*)', re.IGNORECASE)
if ( is not None):
text =[0]
# Assemble full text (github ref(s), module(s), remaining text)
prefix = ''
github_prefix = ' '.join(github_issue_refs).strip()
if github_prefix:
prefix = github_prefix + ": "
clean_text = prefix + ' '.join(components).strip() + " " + text.strip()
# Replace multiple spaces with a single space, e.g. if no refs and/or components were included
clean_text = re.sub(r'\s+', ' ', clean_text.strip())
return clean_text, github_issue_ids
def get_reviewers(pr_num):
Get a candidate list of reviewers that have commented on the PR with '+1' or 'LGTM'
approval_msgs = ['+1', 'lgtm']
pr_comments = get_json("%s/issues/%s/comments" % (GITHUB_API_BASE, pr_num))
reviewers_ids = set()
for comment in pr_comments:
for approval_msg in approval_msgs:
if approval_msg in comment['body'].lower():
approval_review_states = ['approved']
pr_reviews = get_json('{0}/pulls/{1}/reviews?per_page=100'.format(GITHUB_API_BASE, pr_num), True)
for review in pr_reviews:
for approval_state in approval_review_states:
if approval_state in review['state'].lower():
if len(reviewers_ids) == 0:
fail("No approvals found in this pull request")
reviewers_emails = []
for reviewer_id in reviewers_ids:
username = None
useremail = None
user = get_json("%s/users/%s" % (GITHUB_API_URL, reviewer_id))
if user['email']:
useremail = user['email'].strip()
if user['name']:
username = user['name'].strip()
if username is None:
reviewers_emails.append('{0} <{1}>'.format(username.encode('utf8'), useremail))
return ', '.join(reviewers_emails)
def check_ci_status(pr):
ci_status = get_json("%s/commits/%s/status" % (GITHUB_API_BASE, pr["head"]["sha"]))
state = ci_status["state"]
if state != "success":
comments = get_json(pr["comments_url"])
ignore_ci_comments = [c for c in comments if c["body"].upper() == "IGNORE CI"]
if len(ignore_ci_comments) > 0:
print("\n\nWARNING: The PR has not passed CI (state is %s)" % (state) \
+ ", but this has been overridden by %s. \n" % (ignore_ci_comments[0]["user"]["login"]) \
+ "Proceed at your own peril!\n\n")
check_individual_ci_status(ci_status, comments)
def is_check_passed(check):
passed = check["state"] == "success"
if (not passed) and is_jenkins_check(check):
return is_jenkins_passed(check["target_url"])
fail("failed to fetch the jenkins build status for check '%s'.\nPlease manually check its build status at %s" % (check["context"], check["target_url"]))
return passed
def is_jenkins_check(check):
return check["context"].startswith("Jenkins:")
def is_jenkins_passed(url):
jenkins_status = get_json("%sapi/json?tree=result" % (url))
return "SUCCESS" == jenkins_status['result']
def is_integration_test_check(check):
return check["context"] == u"Jenkins: Integration Tests"
def check_individual_ci_status(ci_status, comments):
ci_failures = []
ci_integration_test_failures = []
for status in ci_status["statuses"]:
is_passed = is_check_passed(status)
is_integration_test = is_integration_test_check(status)
if is_integration_test and (not is_passed):
if not is_passed:
if len(ci_integration_test_failures) != 0 and len(ci_failures) == 0:
# all ci passed except integration tests
ignore_it_ci_comments = [c for c in comments if c["body"].upper() == "IGNORE IT CI"]
if len(ignore_it_ci_comments) > 0:
print("\n\nWARNING: The PR has not passed integration tests CI" \
+ ", but this has been overridden by %s. \n" % (ignore_it_ci_comments[0]["user"]["login"]) \
+ "Proceed at your own peril!\n\n")
fail("The PR has not passed integration tests CI")
elif len(ci_failures) != 0 or len(ci_integration_test_failures) != 0:
fail_msg = "The PR has not passed CI:\n"
for status in ci_failures:
fail_msg += "\t %s = %s\n" % (status["context"], status["state"])
for status in ci_integration_test_failures:
fail_msg += "\t %s = %s\n" % (status["context"], status["state"])
def ask_release_for_github_issues(branch, labels):
print("=== Add release to github issues ===")
while True:
fix_releases = ask_for_labels("release/%s" % branch, labels, [])
if len(fix_releases) != 1:
print("Please choose only one release to add for branch '%s'." % branch)
print("=== Apply following releases to github issues ==")
print("Fix Releases: %s" % ', '.join(fix_releases))
if raw_input("Would you like to add these releases to github issues? (y/n): ") == "y":
return fix_releases
def ask_updates_for_github_issues(milestones, labels, issue_labels, milestone_required):
while True:
fix_milestone, fix_milestone_number, fix_areas, fix_types = \
get_updates_for_github_issues(milestones, labels, issue_labels, milestone_required)
print("=== Apply following milestone, area, type to github issues ==")
print("Fix Types: %s" % ', '.join(fix_types))
print("Fix Areas: %s" % ', '.join(fix_areas))
if milestone_required:
print("Fix Milestone: %s" % fix_milestone)
if raw_input("Would you like to update github issues with these labels? (y/n): ") == "y":
return fix_milestone, fix_milestone_number, fix_areas, fix_types
def get_updates_for_github_issues(milestones, labels, issue_labels, milestone_required):
# get milestone
fix_milestone = ""
fix_milestone_number = ""
if milestone_required:
default_milestone_name = milestones[0]['title']
milestone_list = map(lambda x: x['title'], milestones)
milestone_map = dict((milestone['title'], milestone['number']) for milestone in milestones)
while True:
fix_milestone = raw_input("Choose fix milestone : options are [%s] - default: [%s]: " % (', '.join(milestone_list).strip(), default_milestone_name))
fix_milestone = fix_milestone.strip()
if fix_milestone == "":
fix_milestone = default_milestone_name
elif fix_milestone in milestone_map:
print("Invalid milestone: %s." % fix_milestone)
fix_milestone_number = milestone_map[fix_milestone]
# get area
fix_areas = ask_for_labels("area/", labels, issue_labels)
# get types
fix_types = ask_for_labels("type/", labels, issue_labels)
return fix_milestone, fix_milestone_number, fix_areas, fix_types
def ask_for_labels(prefix, labels, issue_labels):
issue_filtered_labels = map(lambda l: l.split('/')[1], filter(lambda x: x.startswith(prefix), issue_labels))
filtered_labels = map(lambda l: l.split('/')[1], filter(lambda x: x.startswith(prefix), labels))
while True:
fix_labels = raw_input("Choose label '%s' - options are: [%s] - default: [%s] (comma separated): "
% (prefix, ', '.join(filtered_labels).strip(), ', '.join(issue_filtered_labels).strip()))
if fix_labels == "":
if not issue_filtered_labels:
print("Please specify a '%s' label to close the issue!" % prefix)
fix_labels = issue_filtered_labels
fix_labels = fix_labels.replace(" ", "").split(",")
if not fix_labels:
print("Please specify a '%s' label to close the issue!" % prefix)
invalid_label = False
for label in fix_labels:
if label not in filtered_labels:
print("Invalid '%s' label: %s." % (prefix, label))
invalid_label = True
if invalid_label:
return fix_labels
def get_github_issue_url(github_issue_id):
return "" % (GITHUB_USER, PROJECT_NAME, github_issue_id)
def get_github_issue_merge_url(github_issue_id):
return "" % (GITHUB_USER, PROJECT_NAME, github_issue_id)
def get_assignees_url(github_issue_id):
return "" % (GITHUB_USER, PROJECT_NAME, github_issue_id)
def get_github_issue_labels(github_issue_id):
url = "" % (GITHUB_USER, PROJECT_NAME, github_issue_id)
result = get_json(url)
return map(lambda x: x["name"], result)
def add_release_to_github_issues(github_issue_ids, labels, fix_release):
for github_issue_id in github_issue_ids:
labels = add_release_to_github_issue(github_issue_id, labels, fix_release)
return labels
def add_release_to_github_issue(github_issue_id, labels, fix_release):
url = get_github_issue_url(github_issue_id)
labels = ["release/%s" % fix_release] + labels
data = json.dumps({
'labels': labels
post_json(url, data)
return labels
def update_github_issue(github_issue_id, fix_milestone_number, fix_milestone, fix_areas, fix_types, other_labels):
url = get_github_issue_url(github_issue_id)
labels = other_labels + map(lambda x: "area/%s" % x, fix_areas)
labels = labels + map(lambda x: "type/%s" % x, fix_types)
if fix_milestone_number == '':
data = json.dumps({
'labels': labels,
labels.append("release/%s" % fix_milestone)
data = json.dumps({
'milestone': int(fix_milestone_number),
'labels': labels,
post_json(url, data)
return labels
def update_github_issues(github_issue_ids, fix_milestone_number, fix_milestone, fix_areas, fix_types, other_labels):
for github_issue_id in github_issue_ids:
labels = update_github_issue(github_issue_id, fix_milestone_number, fix_milestone, fix_areas, fix_types, other_labels)
return labels
def add_assignees_to_github_issues(github_issue_ids, assignees):
for github_issue_id in github_issue_ids:
add_assignees_to_github_issue(github_issue_id, assignees)
def add_assignees_to_github_issue(github_issue_id, assignees):
url = get_assignees_url(github_issue_id)
data = json.dumps({
"assignees": assignees
post_json(url, data)
def main():
global original_head
print("OAuth key is needed for merging bookkeeper pull requests.")
print("If environment variable 'GITHUB_OAUTH_KEY' is not defined,")
print("then requests will be unauthenticated.")
print("You can create an OAuth key at")
print("and set it to the environment variable 'GITHUB_OAUTH_KEY'.")
print("(This token only needs the 'public_repo' scope permissions)")
# 0. get the current state so we can go back
original_head = get_current_branch()
# 1. retrieve milestones, labels, branches
milestones = get_milestones()
labels = get_all_labels()
branches = get_json("%s/branches" % GITHUB_API_BASE)
branch_names = filter(lambda x: x.startswith(RELEASE_BRANCH_PREFIX), [x['name'] for x in branches])
# Assumes branch names can be sorted lexicographically
latest_branch = sorted(branch_names, reverse=True)[0]
# 2. retrieve the details for a given pull request
pr_num = raw_input("Which pull request would you like to merge? (e.g. 34): ")
pr = get_json("%s/pulls/%s" % (GITHUB_API_BASE, pr_num))
pr_events = get_json("%s/issues/%s/events" % (GITHUB_API_BASE, pr_num))
pr_reviewers = get_reviewers(pr_num)
url = pr["url"]
# 3. repair the title for commit message
pr_title = pr["title"]
commit_title = raw_input("Commit title [%s]: " % pr_title.encode("utf-8")).decode("utf-8")
if commit_title == "":
commit_title = pr_title
# Decide whether to use the modified title or not
modified_title, github_issue_ids = standardize_issue_ref(commit_title)
if modified_title != commit_title:
print("I've re-written the title as follows to match the standard format:")
print("Original: %s" % commit_title)
print("Modified: %s" % modified_title)
result = raw_input("Would you like to use the modified title? (y/n): ")
if result.lower() == "y":
commit_title = modified_title
print("Using modified title:")
print("Using original title:")
body = pr["body"]
modified_body = ""
for line in body.split('\n'):
if line.startswith('>'):
modified_body = modified_body + line + "\n"
modified_body = modified_body[:-1]
if modified_body != body:
print("I've re-written the body as follows to match the standard formats:")
print("Original: ")
print("Modified: ")
result = raw_input("Would you like to use the modified body? (y/n): ")
if result.lower() == "y":
body = modified_body
print("Using modified body.")
print("Using original body.")
target_ref = pr["base"]["ref"]
user_login = pr["user"]["login"]
base_ref = pr["head"]["ref"]
pr_repo_desc = "%s/%s" % (user_login, base_ref)
# append pr num to the github issues - we need to attach label and milestone to them
# 4. attach milestone, area, type and release to github issues
# get issue labels
issue_labels = get_github_issue_labels(pr_num)
# ask for fix milestone, area and type
fix_milestone, fix_milestone_number, fix_areas, fix_types = \
ask_updates_for_github_issues(milestones, labels, issue_labels, target_ref == "master")
# update issues with fix milestone, are and type
other_labels = filter(lambda x: not x.startswith("area"), issue_labels)
all_issue_labels = update_github_issues( \
github_issue_ids, \
fix_milestone_number, \
fix_milestone, \
fix_areas, \
fix_types, \
# add the pr author to the assignees
add_assignees_to_github_issues(github_issue_ids, [ user_login ])
if target_ref != "master":
branch_version = target_ref.split('-')[1]
# add releases
fix_releases = ask_release_for_github_issues(branch_version, labels)
if len(fix_releases) > 0:
all_issue_labels = add_release_to_github_issues(github_issue_ids, all_issue_labels, fix_releases[0])
# 5. Process the merge
# Merged pull requests don't appear as merged in the GitHub API;
# Instead, they're closed by asfgit.
merge_commits = \
[e for e in pr_events if e["actor"]["login"] == "asfgit" and e["event"] == "closed"]
if merge_commits:
merge_hash = merge_commits[0]["commit_id"]
message = get_json("%s/commits/%s" % (GITHUB_API_BASE, merge_hash))["commit"]["message"]
print("Pull request %s has already been merged, assuming you want to backport" % pr_num)
commit_is_downloaded = run_cmd(['git', 'rev-parse', '--quiet', '--verify',
"%s^{commit}" % merge_hash]).strip() != ""
if not commit_is_downloaded:
fail("Couldn't find any merge commit for #%s, you may need to update HEAD." % pr_num)
print("Found commit %s:\n%s" % (merge_hash, message))
cherry_pick(pr_num, merge_hash, ask_for_branch(latest_branch))
if not bool(pr["mergeable"]):
msg = "Pull request %s is not mergeable in its current form.\n" % pr_num + \
"You may need to rebase the PR."
print("\n=== Pull Request #%s ===" % pr_num)
print("PR title\t%s\nCommit title\t%s\nSource\t\t%s\nTarget\t\t%s\nURL\t\t%s" % (
pr_title, commit_title, pr_repo_desc, target_ref, url))
continue_maybe("Proceed with merging pull request #%s?" % pr_num)
merged_refs = [target_ref]
# proceed with the merge
merge_hash, merge_commit_log = merge_pr(pr_num, target_ref, commit_title, body, pr_reviewers, pr_repo_desc)
# once the pr is merged, refresh the local repo
run_cmd("git fetch %s" % PR_REMOTE_NAME)
pick_prompt = "Would you like to pick %s into another branch?" % merge_hash
while raw_input("\n%s (y/n): " % pick_prompt).lower() == "y":
pick_ref = ask_for_branch(latest_branch)
branch_version = pick_ref.split('-')[1]
# add releases
fix_releases = ask_release_for_github_issues(branch_version, labels)
if len(fix_releases) > 0:
all_issue_labels = add_release_to_github_issues(github_issue_ids, all_issue_labels, fix_releases[0])
merged_refs = merged_refs + [cherry_pick(pr_num, merge_hash, pick_ref)]
if __name__ == "__main__":
import doctest
(failure_count, test_count) = doctest.testmod()
if (failure_count):