cli.py

#
#  Copyright © 2021-2026 Mergify SAS
#
# Licensed 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.

from __future__ import annotations

import os
import subprocess
import sys

import click

from mergify_cli import VERSION
from mergify_cli.ci import cli as ci_cli_mod
from mergify_cli.freeze import cli as freeze_cli_mod
from mergify_cli.stack import cli as stack_cli_mod


@click.group(
    invoke_without_command=True,
)
@click.option("--debug", is_flag=True, default=False, help="debug mode")
@click.version_option(VERSION)
@click.pass_context
def cli(
    ctx: click.Context,
    *,
    debug: bool,
) -> None:
    ctx.obj = {"debug": debug}
    if ctx.invoked_subcommand is None:
        click.echo(ctx.get_help())


cli.add_command(stack_cli_mod.stack)
cli.add_command(ci_cli_mod.ci)
cli.add_command(freeze_cli_mod.freeze)


def main() -> None:
    # NOTE:
    #   It's unlikely this day that a platform does not support unicode.
    #   But on windows, the default encoding may not be an unicode one.
    #   Let's try our best by forcing utf-8 and if it's impossible, just returns escaped character
    if os.name == "nt" and not sys.flags.utf8_mode:
        os.environ["PYTHONUTF8"] = "1"
        p = subprocess.Popen(  # noqa: S603
            sys.argv,
            env=os.environ,
            stdin=sys.stdin,
            stdout=sys.stdout,
            stderr=sys.stderr,
        )
        sys.exit(p.wait())

    # We do that to test the console script generated by poetry
    if os.getenv("MERGIFY_CLI_TESTING_UTF8_MODE"):
        print(f"utf8_mode={int(sys.flags.utf8_mode)}")  # noqa: T201
        print("✅")  # noqa: T201

    cli()