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opt
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hc_python
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lib
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python3.8
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site-packages
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pre_commit
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languages
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from __future__ import annotations import contextlib import os.path 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.errors import FatalError from pre_commit.prefix import Prefix ENVIRONMENT_DIR = 'hs_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(target_dir: str) -> PatchesT: bin_path = os.path.join(target_dir, 'bin') return (('PATH', (bin_path, os.pathsep, Var('PATH'))),) @contextlib.contextmanager 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: lang_base.assert_version_default('haskell', version) envdir = lang_base.environment_dir(prefix, ENVIRONMENT_DIR, version) pkgs = [*prefix.star('.cabal'), *additional_dependencies] if not pkgs: raise FatalError('Expected .cabal files or additional_dependencies') bindir = os.path.join(envdir, 'bin') os.makedirs(bindir, exist_ok=True) lang_base.setup_cmd(prefix, ('cabal', 'update')) lang_base.setup_cmd( prefix, ( 'cabal', 'install', '--install-method', 'copy', '--installdir', bindir, *pkgs, ), )
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