81 lines
2.5 KiB
Python
81 lines
2.5 KiB
Python
from __future__ import annotations
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import contextlib
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import os
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from typing import Generator
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from typing import Sequence
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from pre_commit.envcontext import envcontext
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from pre_commit.envcontext import PatchesT
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from pre_commit.envcontext import Var
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from pre_commit.hook import Hook
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from pre_commit.languages import helpers
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from pre_commit.parse_shebang import find_executable
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from pre_commit.prefix import Prefix
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from pre_commit.util import clean_path_on_failure
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ENVIRONMENT_DIR = 'coursier'
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get_default_version = helpers.basic_get_default_version
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health_check = helpers.basic_health_check
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def install_environment(
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prefix: Prefix,
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version: str,
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additional_dependencies: Sequence[str],
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) -> None: # pragma: win32 no cover
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helpers.assert_version_default('coursier', version)
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helpers.assert_no_additional_deps('coursier', additional_dependencies)
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# Support both possible executable names (either "cs" or "coursier")
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executable = find_executable('cs') or find_executable('coursier')
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if executable is None:
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raise AssertionError(
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'pre-commit requires system-installed "cs" or "coursier" '
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'executables in the application search path',
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)
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envdir = prefix.path(helpers.environment_dir(ENVIRONMENT_DIR, version))
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channel = prefix.path('.pre-commit-channel')
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with clean_path_on_failure(envdir):
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for app_descriptor in os.listdir(channel):
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_, app_file = os.path.split(app_descriptor)
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app, _ = os.path.splitext(app_file)
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helpers.run_setup_cmd(
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prefix,
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(
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executable,
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'install',
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'--default-channels=false',
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f'--channel={channel}',
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app,
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f'--dir={envdir}',
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),
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)
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def get_env_patch(target_dir: str) -> PatchesT: # pragma: win32 no cover
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return (
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('PATH', (target_dir, os.pathsep, Var('PATH'))),
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)
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@contextlib.contextmanager
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def in_env(
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prefix: Prefix,
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) -> Generator[None, None, None]: # pragma: win32 no cover
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target_dir = prefix.path(
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helpers.environment_dir(ENVIRONMENT_DIR, get_default_version()),
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)
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with envcontext(get_env_patch(target_dir)):
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yield
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def run_hook(
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hook: Hook,
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file_args: Sequence[str],
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color: bool,
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) -> tuple[int, bytes]: # pragma: win32 no cover
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with in_env(hook.prefix):
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return helpers.run_xargs(hook, hook.cmd, file_args, color=color)
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