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from __future__ import annotations
import contextlib
import os
from typing import Generator
from typing import Sequence
from pre_commit import lang_base
from pre_commit.envcontext import envcontext
from pre_commit.envcontext import PatchesT
from pre_commit.envcontext import Var
from pre_commit.prefix import Prefix
from pre_commit.util import cmd_output_b
BUILD_DIR = '.build'
BUILD_CONFIG = 'release'
ENVIRONMENT_DIR = 'swift_env'
get_default_version = lang_base.basic_get_default_version
health_check = lang_base.basic_health_check
run_hook = lang_base.basic_run_hook
def get_env_patch(venv: str) -> PatchesT: # pragma: win32 no cover
bin_path = os.path.join(venv, BUILD_DIR, BUILD_CONFIG)
return (('PATH', (bin_path, os.pathsep, Var('PATH'))),)
@contextlib.contextmanager # pragma: win32 no cover
def in_env(prefix: Prefix, version: str) -> Generator[None, None, None]:
envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)
with envcontext(get_env_patch(envdir)):
yield
def install_environment(
prefix: Prefix, version: str, additional_dependencies: Sequence[str],
) -> None: # pragma: win32 no cover
lang_base.assert_version_default('swift', version)
lang_base.assert_no_additional_deps('swift', additional_dependencies)
envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version)
# Build the swift package
os.mkdir(envdir)
cmd_output_b(
'swift', 'build',
'-C', prefix.prefix_dir,
'-c', BUILD_CONFIG,
'--build-path', os.path.join(envdir, BUILD_DIR),
)
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