gh-issue-duplicate

#!/usr/bin/env python3
import json
import subprocess
import sys
from argparse import ArgumentParser
from string import Template
from urllib.parse import urlparse

Query = Template(
    """
query {
  repository(owner: "${repo_org}", name: "${repo_name}") {
    issue(number: ${issue_num}) {
      title
      body
      assignees(first: 10) {
        nodes {
          login
        }
      }
      labels(first: 10) {
        nodes {
          name
        }
      }
      projectItems(first: 10) {
        nodes {
          project {
            title
          }
        }
      }
      milestone {
        title
      }
    }
  }
}
"""
)


def main():
    parser = ArgumentParser()
    parser.add_argument(
        "url",
        type=str,
        help="Issue URL (ex. https://github.com/zakkie/gh-issue-duplicate/issues/999",
    )
    args = parser.parse_args()

    url_parsed = urlparse(args.url)
    try:
        _, repo_org, repo_name, _, issue_num = url_parsed.path.split("/")
    except ValueError:
        print(f"Invalid URL: {args.url}")
        print()
        parser.print_help()
        sys.exit(1)
    query = Query.substitute(
        repo_org=repo_org, repo_name=repo_name, issue_num=issue_num
    )

    cmd = (
        "gh",
        "api",
        "graphql",
        "-f",
        f"query={query}",
    )
    res = subprocess.run(cmd, shell=False, capture_output=True)
    obj = json.loads(res.stdout)["data"]["repository"]["issue"]

    title = obj["title"]
    body = obj["body"]
    assignees = [l["login"] for l in obj["assignees"]["nodes"]]
    labels = [l["name"] for l in obj["labels"]["nodes"]]
    projects = [p["project"]["title"] for p in obj["projectItems"]["nodes"]]
    milestone = obj["milestone"]["title"] if obj["milestone"] else ""

    regist_cmd = (
        "gh",
        "issue",
        "create",
        "-R",
        f"{repo_org}/{repo_name}",
        "--title",
        title,
        "--body",
        body,
        "--assignee",
        ",".join(assignees),
        "--project",
        ",".join(projects),
        "--label",
        ",".join(labels),
        "--milestone",
        milestone,
    )
    res = subprocess.run(regist_cmd, shell=False, capture_output=True, check=True)

    new_url = res.stdout.decode("utf-8").strip()
    comment_cmd = (
        "gh",
        "issue",
        "comment",
        new_url,
        "-b",
        f"duplicated from {args.url}",
    )
    subprocess.run(comment_cmd, shell=False, capture_output=True, check=True)

    print(f"New issule: {new_url}")


main()