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gurwls223 pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/spark-connect-go.git


The following commit(s) were added to refs/heads/main by this push:
     new e7ecc83  [MINOR] Add a merge script
e7ecc83 is described below

commit e7ecc83205dda4e7cea311f83149ffca30dcdadb
Author: Hyukjin Kwon <gurwls...@apache.org>
AuthorDate: Tue May 30 20:04:36 2023 +0900

    [MINOR] Add a merge script
---
 merge_connect_go_pr.py | 602 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 602 insertions(+)

diff --git a/merge_connect_go_pr.py b/merge_connect_go_pr.py
new file mode 100755
index 0000000..417c0ff
--- /dev/null
+++ b/merge_connect_go_pr.py
@@ -0,0 +1,602 @@
+#!/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.
+#
+
+# Utility for creating well-formed pull request merges and pushing them to 
Apache
+# Spark.
+#   usage: ./merge_connect_go_pr.py    (see config env vars below)
+#
+# This utility assumes you already have a local Spark git folder and that you
+# have added remotes corresponding to both (i) the github apache Spark
+# mirror and (ii) the apache git repo.
+
+import json
+import os
+import re
+import subprocess
+import sys
+import traceback
+from urllib.request import urlopen
+from urllib.request import Request
+from urllib.error import HTTPError
+
+try:
+    import jira.client
+
+    JIRA_IMPORTED = True
+except ImportError:
+    JIRA_IMPORTED = False
+
+# Location of your Spark git development area
+SPARK_CONNECT_GO_HOME = os.environ.get("SPARK_CONNECT_GO_HOME", os.getcwd())
+# Remote name which points to the Gihub site
+PR_REMOTE_NAME = os.environ.get("PR_REMOTE_NAME", "apache-github")
+# Remote name which points to Apache git
+PUSH_REMOTE_NAME = os.environ.get("PUSH_REMOTE_NAME", "apache")
+# ASF JIRA username
+JIRA_USERNAME = os.environ.get("JIRA_USERNAME", "")
+# ASF JIRA password
+JIRA_PASSWORD = os.environ.get("JIRA_PASSWORD", "")
+# 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
+# https://github.com/settings/tokens. This script only requires the 
"public_repo" scope.
+GITHUB_OAUTH_KEY = os.environ.get("GITHUB_OAUTH_KEY")
+
+
+GITHUB_BASE = "https://github.com/apache/spark-connect-go/pull";
+GITHUB_API_BASE = "https://api.github.com/repos/apache/spark-connect-go";
+JIRA_BASE = "https://issues.apache.org/jira/browse";
+JIRA_API_BASE = "https://issues.apache.org/jira";
+# Prefix added to temporary branches
+BRANCH_PREFIX = "PR_TOOL"
+
+
+def get_json(url):
+    try:
+        request = Request(url)
+        if GITHUB_OAUTH_KEY:
+            request.add_header("Authorization", "token %s" % GITHUB_OAUTH_KEY)
+        return json.load(urlopen(request))
+    except 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 "
+                + "dev/merge_connect_go_pr.py to configure an OAuth token for 
making authenticated "
+                + "GitHub requests."
+            )
+        else:
+            print("Unable to fetch URL, exiting: %s" % url)
+        sys.exit(-1)
+
+
+def fail(msg):
+    print(msg)
+    clean_up()
+    sys.exit(-1)
+
+
+def run_cmd(cmd):
+    print(cmd)
+    if isinstance(cmd, list):
+        return subprocess.check_output(cmd).decode("utf-8")
+    else:
+        return subprocess.check_output(cmd.split(" ")).decode("utf-8")
+
+
+def continue_maybe(prompt):
+    result = input("\n%s (y/n): " % prompt)
+    if result.lower() != "y":
+        fail("Okay, exiting")
+
+
+def clean_up():
+    if "original_head" in globals():
+        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 list(filter(lambda x: x.startswith(BRANCH_PREFIX), 
branches)):
+            print("Deleting local branch %s" % branch)
+            run_cmd("git branch -D %s" % branch)
+
+
+# merge the requested PR and return the merge hash
+def merge_pr(pr_num, target_ref, title, body, pr_repo_desc):
+    pr_branch_name = "%s_MERGE_PR_%s" % (BRANCH_PREFIX, pr_num)
+    target_branch_name = "%s_MERGE_PR_%s_%s" % (BRANCH_PREFIX, pr_num, 
target_ref.upper())
+    run_cmd("git fetch %s pull/%s/head:%s" % (PR_REMOTE_NAME, pr_num, 
pr_branch_name))
+    run_cmd("git fetch %s %s:%s" % (PUSH_REMOTE_NAME, 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
+        continue_maybe(msg)
+        msg = "Okay, please fix any conflicts and 'git add' conflicting 
files... Finished?"
+        continue_maybe(msg)
+        had_conflicts = True
+
+    # First commit author should be considered as the primary author when the 
rank is the same
+    commit_authors = run_cmd(
+        ["git", "log", "HEAD..%s" % pr_branch_name, "--pretty=format:%an 
<%ae>", "--reverse"]
+    ).split("\n")
+    distinct_authors = sorted(
+        list(dict.fromkeys(commit_authors)), key=lambda x: 
commit_authors.count(x), reverse=True
+    )
+    primary_author = input(
+        'Enter primary author in the format of "name <email>" [%s]: ' % 
distinct_authors[0]
+    )
+    if primary_author == "":
+        primary_author = distinct_authors[0]
+    else:
+        # When primary author is specified manually, de-dup it from author 
list and
+        # put it at the head of author list.
+        distinct_authors = list(filter(lambda x: x != primary_author, 
distinct_authors))
+        distinct_authors.insert(0, primary_author)
+
+    merge_message_flags = []
+
+    merge_message_flags += ["-m", title]
+    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 Spark.
+        merge_message_flags += ["-m", body.replace("@", "")]
+
+    committer_name = run_cmd("git config --get user.name").strip()
+    committer_email = run_cmd("git config --get user.email").strip()
+
+    if had_conflicts:
+        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." % (pr_num, 
pr_repo_desc)]
+
+    authors = "Authored-by:" if len(distinct_authors) == 1 else 
"Lead-authored-by:"
+    authors += " %s" % (distinct_authors.pop(0))
+    if len(distinct_authors) > 0:
+        authors += "\n" + "\n".join(["Co-authored-by: %s" % a for a in 
distinct_authors])
+    authors += "\n" + "Signed-off-by: %s <%s>" % (committer_name, 
committer_email)
+
+    merge_message_flags += ["-m", authors]
+
+    run_cmd(["git", "commit", '--author="%s"' % primary_author] + 
merge_message_flags)
+
+    continue_maybe(
+        "Merge complete (local ref %s). Push to %s?" % (target_branch_name, 
PUSH_REMOTE_NAME)
+    )
+
+    try:
+        run_cmd("git push %s %s:%s" % (PUSH_REMOTE_NAME, target_branch_name, 
target_ref))
+    except Exception as e:
+        clean_up()
+        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!" % pr_num)
+    print("Merge hash: %s" % merge_hash)
+    return merge_hash
+
+
+def cherry_pick(pr_num, merge_hash, default_branch):
+    pick_ref = input("Enter a branch name [%s]: " % default_branch)
+    if pick_ref == "":
+        pick_ref = default_branch
+
+    pick_branch_name = "%s_PICK_PR_%s_%s" % (BRANCH_PREFIX, pr_num, 
pick_ref.upper())
+
+    run_cmd("git fetch %s %s:%s" % (PUSH_REMOTE_NAME, pick_ref, 
pick_branch_name))
+    run_cmd("git checkout %s" % pick_branch_name)
+
+    try:
+        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
+        continue_maybe(msg)
+        msg = "Okay, please fix any conflicts and finish the cherry-pick. 
Finished?"
+        continue_maybe(msg)
+
+    continue_maybe(
+        "Pick complete (local ref %s). Push to %s?" % (pick_branch_name, 
PUSH_REMOTE_NAME)
+    )
+
+    try:
+        run_cmd("git push %s %s:%s" % (PUSH_REMOTE_NAME, pick_branch_name, 
pick_ref))
+    except Exception as e:
+        clean_up()
+        fail("Exception while pushing: %s" % e)
+
+    pick_hash = run_cmd("git rev-parse %s" % pick_branch_name)[:8]
+    clean_up()
+
+    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):
+    # Note: Assumes this is a sorted (newest->oldest) list of un-released 
versions
+    if branch == "master":
+        return versions[0]
+    else:
+        branch_ver = branch.replace("branch-", "")
+        return list(filter(lambda x: x.name.startswith(branch_ver), 
versions))[-1]
+
+
+def resolve_jira_issue(merge_branches, comment, default_jira_id=""):
+    asf_jira = jira.client.JIRA(
+        {"server": JIRA_API_BASE}, basic_auth=(JIRA_USERNAME, JIRA_PASSWORD)
+    )
+
+    jira_id = input("Enter a JIRA id [%s]: " % default_jira_id)
+    if jira_id == "":
+        jira_id = default_jira_id
+
+    try:
+        issue = asf_jira.issue(jira_id)
+    except Exception as e:
+        fail("ASF JIRA could not find %s\n%s" % (jira_id, e))
+
+    cur_status = issue.fields.status.name
+    cur_summary = issue.fields.summary
+    cur_assignee = issue.fields.assignee
+    if cur_assignee is None:
+        cur_assignee = choose_jira_assignee(issue, asf_jira)
+    # Check again, we might not have chosen an assignee
+    if cur_assignee is None:
+        cur_assignee = "NOT ASSIGNED!!!"
+    else:
+        cur_assignee = cur_assignee.displayName
+
+    if cur_status == "Resolved" or cur_status == "Closed":
+        fail("JIRA issue %s already has status '%s'" % (jira_id, cur_status))
+    print("=== JIRA %s ===" % 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, JIRA_BASE, jira_id)
+    )
+
+    versions = asf_jira.project_versions("SPARK")
+    versions = sorted(versions, key=lambda x: x.name, reverse=True)
+    versions = list(filter(lambda x: x.raw["released"] is False, versions))
+    # Consider only x.y.z versions
+    versions = list(filter(lambda x: re.match(r"\d+\.\d+\.\d+", x.name), 
versions))
+
+    default_fix_versions = list(
+        map(lambda x: fix_version_from_branch(x, versions).name, 
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 = list(filter(lambda x: x != v, 
default_fix_versions))
+    default_fix_versions = ",".join(default_fix_versions)
+
+    available_versions = set(list(map(lambda v: v.name, versions)))
+    while True:
+        try:
+            fix_versions = input(
+                "Enter comma-separated fix version(s) [%s]: " % 
default_fix_versions
+            )
+            if fix_versions == "":
+                fix_versions = default_fix_versions
+            fix_versions = fix_versions.replace(" ", "").split(",")
+            if set(fix_versions).issubset(available_versions):
+                break
+            else:
+                print(
+                    "Specified version(s) [%s] not found in the available 
versions, try "
+                    "again (or leave blank and fix manually)." % (", 
".join(fix_versions))
+                )
+        except KeyboardInterrupt:
+            raise
+        except BaseException:
+            traceback.print_exc()
+            print("Error setting fix version(s), try again (or leave blank and 
fix manually)")
+
+    def get_version_json(version_str):
+        return list(filter(lambda v: v.name == version_str, versions))[0].raw
+
+    jira_fix_versions = list(map(lambda v: get_version_json(v), fix_versions))
+
+    resolve = list(filter(lambda a: a["name"] == "Resolve Issue", 
asf_jira.transitions(jira_id)))[0]
+    resolution = list(filter(lambda r: r.raw["name"] == "Fixed", 
asf_jira.resolutions()))[0]
+    asf_jira.transition_issue(
+        jira_id,
+        resolve["id"],
+        fixVersions=jira_fix_versions,
+        comment=comment,
+        resolution={"id": resolution.raw["id"]},
+    )
+
+    print("Successfully resolved %s with fixVersions=%s!" % (jira_id, 
fix_versions))
+
+
+def choose_jira_assignee(issue, asf_jira):
+    """
+    Prompt the user to choose who to assign the issue to in jira, given a list 
of candidates,
+    including the original reporter and all commentors
+    """
+    while True:
+        try:
+            reporter = issue.fields.reporter
+            commentors = list(map(lambda x: x.author, 
issue.fields.comment.comments))
+            candidates = set(commentors)
+            candidates.add(reporter)
+            candidates = list(candidates)
+            print("JIRA is unassigned, choose assignee")
+            for idx, author in enumerate(candidates):
+                if author.key == "apachespark":
+                    continue
+                annotations = ["Reporter"] if author == reporter else []
+                if author in commentors:
+                    annotations.append("Commentor")
+                print("[%d] %s (%s)" % (idx, author.displayName, 
",".join(annotations)))
+            raw_assignee = input(
+                "Enter number of user, or userid, to assign to (blank to leave 
unassigned):"
+            )
+            if raw_assignee == "":
+                return None
+            else:
+                try:
+                    id = int(raw_assignee)
+                    assignee = candidates[id]
+                except BaseException:
+                    # assume it's a user id, and try to assign (might fail, we 
just prompt again)
+                    assignee = asf_jira.user(raw_assignee)
+                asf_jira.assign_issue(issue.key, assignee.name)
+                return assignee
+        except KeyboardInterrupt:
+            raise
+        except BaseException:
+            traceback.print_exc()
+            print("Error assigning JIRA, try again (or leave blank and fix 
manually)")
+
+
+def resolve_jira_issues(title, merge_branches, comment):
+    jira_ids = re.findall("SPARK-[0-9]{4,5}", title)
+
+    if len(jira_ids) == 0:
+        resolve_jira_issue(merge_branches, comment)
+    for jira_id in jira_ids:
+        resolve_jira_issue(merge_branches, comment, jira_id)
+
+
+def standardize_jira_ref(text):
+    """
+    Standardize the [SPARK-XXXXX] [MODULE] prefix
+    Converts "[SPARK-XXX][mllib] Issue", "[MLLib] SPARK-XXX. Issue" or "SPARK 
XXX [MLLIB]: Issue" to
+    "[SPARK-XXX][MLLIB] Issue"
+
+    >>> standardize_jira_ref(
+    ...     "[SPARK-5821] [SQL] ParquetRelation2 CTAS should check if delete 
is successful")
+    '[SPARK-5821][SQL] ParquetRelation2 CTAS should check if delete is 
successful'
+    >>> standardize_jira_ref(
+    ...     "[SPARK-4123][Project Infra][WIP]: Show new dependencies added in 
pull requests")
+    '[SPARK-4123][PROJECT INFRA][WIP] Show new dependencies added in pull 
requests'
+    >>> standardize_jira_ref("[MLlib] Spark  5954: Top by key")
+    '[SPARK-5954][MLLIB] Top by key'
+    >>> standardize_jira_ref("[SPARK-979] a LRU scheduler for load balancing 
in TaskSchedulerImpl")
+    '[SPARK-979] a LRU scheduler for load balancing in TaskSchedulerImpl'
+    >>> standardize_jira_ref(
+    ...     "SPARK-1094 Support MiMa for reporting binary compatibility across 
versions.")
+    '[SPARK-1094] Support MiMa for reporting binary compatibility across 
versions.'
+    >>> standardize_jira_ref("[WIP]  [SPARK-1146] Vagrant support for Spark")
+    '[SPARK-1146][WIP] Vagrant support for Spark'
+    >>> standardize_jira_ref(
+    ...     "SPARK-1032. If Yarn app fails before registering, app master 
stays aroun...")
+    '[SPARK-1032] If Yarn app fails before registering, app master stays 
aroun...'
+    >>> standardize_jira_ref(
+    ...     "[SPARK-6250][SPARK-6146][SPARK-5911][SQL] Types are now reserved 
words in DDL parser.")
+    '[SPARK-6250][SPARK-6146][SPARK-5911][SQL] Types are now reserved words in 
DDL parser.'
+    >>> standardize_jira_ref("Additional information for users building from 
source code")
+    'Additional information for users building from source code'
+    """
+    jira_refs = []
+    components = []
+
+    # If the string is compliant, no need to process any further
+    if re.search(r"^\[SPARK-[0-9]{3,6}\](\[[A-Z0-9_\s,]+\] )+\S+", text):
+        return text
+
+    # Extract JIRA ref(s):
+    pattern = re.compile(r"(SPARK[-\s]*[0-9]{3,6})+", re.IGNORECASE)
+    for ref in pattern.findall(text):
+        # Add brackets, replace spaces with a dash, & convert to uppercase
+        jira_refs.append("[" + re.sub(r"\s+", "-", ref.upper()) + "]")
+        text = text.replace(ref, "")
+
+    # Extract spark 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):
+        components.append(component.upper())
+        text = text.replace(component, "")
+
+    # Cleanup any remaining symbols:
+    pattern = re.compile(r"^\W+(.*)", re.IGNORECASE)
+    if pattern.search(text) is not None:
+        text = pattern.search(text).groups()[0]
+
+    # Assemble full text (JIRA ref(s), module(s), remaining text)
+    clean_text = "".join(jira_refs).strip() + "".join(components).strip() + " 
" + text.strip()
+
+    # Replace multiple spaces with a single space, e.g. if no jira refs and/or 
components were
+    # included
+    clean_text = re.sub(r"\s+", " ", clean_text.strip())
+
+    return clean_text
+
+
+def get_current_ref():
+    ref = run_cmd("git rev-parse --abbrev-ref HEAD").strip()
+    if ref == "HEAD":
+        # The current ref is a detached HEAD, so grab its SHA.
+        return run_cmd("git rev-parse HEAD").strip()
+    else:
+        return ref
+
+
+def main():
+    global original_head
+
+    os.chdir(SPARK_CONNECT_GO_HOME)
+    original_head = get_current_ref()
+
+    # Check this up front to avoid failing the JIRA update at the very end
+    if not JIRA_USERNAME or not JIRA_PASSWORD:
+        continue_maybe("The env-vars JIRA_USERNAME and/or JIRA_PASSWORD are 
not set. Continue?")
+
+    branches = get_json("%s/branches" % GITHUB_API_BASE)
+    branch_names = list(filter(lambda x: x.startswith("branch-"), [x["name"] 
for x in branches]))
+    # Assumes branch names can be sorted lexicographically
+    latest_branch = sorted(branch_names, reverse=True)[0]
+
+    pr_num = 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))
+
+    url = pr["url"]
+
+    # Warn if the PR is WIP
+    if "[WIP]" in pr["title"]:
+        msg = "The PR title has `[WIP]`:\n%s\nContinue?" % pr["title"]
+        continue_maybe(msg)
+
+    # Decide whether to use the modified title or not
+    modified_title = standardize_jira_ref(pr["title"]).rstrip(".")
+    if modified_title != pr["title"]:
+        print("I've re-written the title as follows to match the standard 
format:")
+        print("Original: %s" % pr["title"])
+        print("Modified: %s" % modified_title)
+        result = input("Would you like to use the modified title? (y/n): ")
+        if result.lower() == "y":
+            title = modified_title
+            print("Using modified title:")
+        else:
+            title = pr["title"]
+            print("Using original title:")
+        print(title)
+    else:
+        title = pr["title"]
+
+    body = pr["body"]
+    if body is None:
+        body = ""
+    modified_body = re.sub(re.compile(r"<!--[^>]*-->\n?", re.DOTALL), "", 
body).lstrip()
+    if modified_body != body:
+        print("=" * 80)
+        print(modified_body)
+        print("=" * 80)
+        print("I've removed the comments from PR template like the above:")
+        result = input("Would you like to use the modified body? (y/n): ")
+        if result.lower() == "y":
+            body = modified_body
+            print("Using modified body:")
+        else:
+            print("Using original body:")
+        print("=" * 80)
+        print(body)
+        print("=" * 80)
+    target_ref = pr["base"]["ref"]
+    user_login = pr["user"]["login"]
+    base_ref = pr["head"]["ref"]
+    pr_repo_desc = "%s/%s" % (user_login, base_ref)
+
+    # 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, latest_branch)
+        sys.exit(0)
+
+    if not bool(pr["mergeable"]):
+        msg = (
+            "Pull request %s is not mergeable in its current form.\n" % pr_num
+            + "Continue? (experts only!)"
+        )
+        continue_maybe(msg)
+
+    print("\n=== Pull Request #%s ===" % pr_num)
+    print("title\t%s\nsource\t%s\ntarget\t%s\nurl\t%s" % (title, pr_repo_desc, 
target_ref, url))
+    continue_maybe("Proceed with merging pull request #%s?" % pr_num)
+
+    merged_refs = [target_ref]
+
+    merge_hash = merge_pr(pr_num, target_ref, title, body, pr_repo_desc)
+
+    pick_prompt = "Would you like to pick %s into another branch?" % merge_hash
+    while input("\n%s (y/n): " % pick_prompt).lower() == "y":
+        merged_refs = merged_refs + [cherry_pick(pr_num, merge_hash, 
latest_branch)]
+
+    if JIRA_IMPORTED:
+        if JIRA_USERNAME and JIRA_PASSWORD:
+            continue_maybe("Would you like to update an associated JIRA?")
+            jira_comment = "Issue resolved by pull request %s\n[%s/%s]" % (
+                pr_num,
+                GITHUB_BASE,
+                pr_num,
+            )
+            resolve_jira_issues(title, merged_refs, jira_comment)
+        else:
+            print("JIRA_USERNAME and JIRA_PASSWORD not set")
+            print("Exiting without trying to close the associated JIRA.")
+    else:
+        print("Could not find jira-python library. Run 'sudo pip3 install 
jira' to install.")
+        print("Exiting without trying to close the associated JIRA.")
+
+
+if __name__ == "__main__":
+    import doctest
+
+    (failure_count, test_count) = doctest.testmod()
+    if failure_count:
+        sys.exit(-1)
+    try:
+        main()
+    except BaseException:
+        clean_up()
+        raise


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