commit_lockfile.py

import json
import os
import subprocess

import click
import github


def _get_repo_owner_and_name():
    res = subprocess.run(
        ["git", "remote", "get-url", "--push", "origin"],
        check=True,
        stdout=subprocess.PIPE,
        text=True,
    )
    parts = res.stdout.strip().split("/")
    if parts[-1].endswith(".git"):
        parts[-1] = parts[-1][: -len(".git")]
    return parts[-2], parts[-1]


def _get_current_branch():
    res = subprocess.run(
        ["git", "rev-parse", "--abbrev-ref", "HEAD"],
        check=True,
        stdout=subprocess.PIPE,
        text=True,
    )
    return res.stdout.strip()


def _get_owner_repo_branch():
    res = subprocess.run(
        [
            "gh",
            "pr",
            "view",
            "--json",
            "headRefName",
            "--json",
            "headRepository",
            "--json",
            "headRepositoryOwner",
        ],
        text=True,
        check=True,
        stdout=subprocess.PIPE,
    )
    data = json.loads(res.stdout.strip())
    return (
        data["headRepositoryOwner"]["login"],
        data["headRepository"]["name"],
        data["headRefName"],
    )


@click.command()
@click.option("--lock-file", required=True, type=click.Path())
@click.option("--event-name", required=False, default=None, type=str)
def main(
    lock_file,
    event_name,
):
    if event_name == "issue_comment":
        repo_owner, repo_name, branch = _get_owner_repo_branch()
    else:
        repo_owner, repo_name = _get_repo_owner_and_name()
        branch = _get_current_branch()
        print(
            f"Updating '{lock_file}' in '{repo_owner}/{repo_name}' on branch '{branch}'...",
            flush=True,
        )

    gh = github.Github(auth=github.Auth.Token(os.environ["GH_TOKEN"]))
    repo = gh.get_repo(f"{repo_owner}/{repo_name}")

    contents = repo.get_contents(lock_file, ref=branch)
    with open(lock_file, "r") as f:
        new_lockfile_content = f.read()

    res = repo.update_file(
        contents.path,
        "relock w/ conda-lock",
        new_lockfile_content,
        contents.sha,
        branch=branch,
    )
    print(
        f"Updated w/ commit {res['commit'].sha}",
        flush=True,
    )


if __name__ == "__main__":
    main()