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48 changes: 36 additions & 12 deletions pre_commit/languages/r.py
Original file line number Diff line number Diff line change
Expand Up @@ -15,35 +15,58 @@
from pre_commit.envcontext import UNSET
from pre_commit.prefix import Prefix
from pre_commit.util import cmd_output
from pre_commit.util import cmd_output_b
from pre_commit.util import win_exe

ENVIRONMENT_DIR = 'renv'
RSCRIPT_OPTS = ('--no-save', '--no-restore', '--no-site-file', '--no-environ')
get_default_version = lang_base.basic_get_default_version

_RENV_ACTIVATED_OPTS = (
'--no-save', '--no-restore', '--no-site-file', '--no-environ',
)

def _execute_vanilla_r_code_as_script(

def _execute_r(
code: str, *,
prefix: Prefix, version: str, args: Sequence[str] = (), cwd: str,
cli_opts: Sequence[str],
) -> str:
with in_env(prefix, version), _r_code_in_tempfile(code) as f:
_, out, _ = cmd_output(
_rscript_exec(), *RSCRIPT_OPTS, f, *args, cwd=cwd,
_rscript_exec(), *cli_opts, f, *args, cwd=cwd,
)
return out.rstrip('\n')


def _execute_r_in_renv(
code: str, *,
prefix: Prefix, version: str, args: Sequence[str] = (), cwd: str,
) -> str:
return _execute_r(
code=code, prefix=prefix, version=version, args=args, cwd=cwd,
cli_opts=_RENV_ACTIVATED_OPTS,
)


def _execute_vanilla_r(
code: str, *,
prefix: Prefix, version: str, args: Sequence[str] = (), cwd: str,
) -> str:
return _execute_r(
code=code, prefix=prefix, version=version, args=args, cwd=cwd,
cli_opts=('--vanilla',),
)


def _read_installed_version(envdir: str, prefix: Prefix, version: str) -> str:
return _execute_vanilla_r_code_as_script(
return _execute_r_in_renv(
'cat(renv::settings$r.version())',
prefix=prefix, version=version,
cwd=envdir,
)


def _read_executable_version(envdir: str, prefix: Prefix, version: str) -> str:
return _execute_vanilla_r_code_as_script(
return _execute_r_in_renv(
'cat(as.character(getRversion()))',
prefix=prefix, version=version,
cwd=envdir,
Expand All @@ -53,7 +76,7 @@ def _read_executable_version(envdir: str, prefix: Prefix, version: str) -> str:
def _write_current_r_version(
envdir: str, prefix: Prefix, version: str,
) -> None:
_execute_vanilla_r_code_as_script(
_execute_r_in_renv(
'renv::settings$r.version(as.character(getRversion()))',
prefix=prefix, version=version,
cwd=envdir,
Expand Down Expand Up @@ -161,7 +184,7 @@ def _cmd_from_hook(
_entry_validate(cmd)

cmd_part = _prefix_if_file_entry(cmd, prefix, is_local=is_local)
return (cmd[0], *RSCRIPT_OPTS, *cmd_part, *args)
return (cmd[0], *_RENV_ACTIVATED_OPTS, *cmd_part, *args)


def install_environment(
Expand Down Expand Up @@ -204,14 +227,15 @@ def install_environment(
renv::install(prefix_dir)
}}
"""

with _r_code_in_tempfile(r_code_inst_environment) as f:
cmd_output_b(_rscript_exec(), '--vanilla', f, cwd=env_dir)
_execute_vanilla_r(
r_code_inst_environment,
prefix=prefix, version=version, cwd=env_dir,
)

_write_current_r_version(envdir=env_dir, prefix=prefix, version=version)
if additional_dependencies:
r_code_inst_add = 'renv::install(commandArgs(trailingOnly = TRUE))'
_execute_vanilla_r_code_as_script(
_execute_r_in_renv(
code=r_code_inst_add, prefix=prefix, version=version,
args=additional_dependencies,
cwd=env_dir,
Expand Down
2 changes: 1 addition & 1 deletion tests/languages/r_test.py
Original file line number Diff line number Diff line change
Expand Up @@ -286,7 +286,7 @@ def test_health_check_without_version(prefix, installed_environment, version):
prefix, env_dir = installed_environment

# simulate old pre-commit install by unsetting the installed version
r._execute_vanilla_r_code_as_script(
r._execute_r_in_renv(
f'renv::settings$r.version({version})',
prefix=prefix, version=C.DEFAULT, cwd=env_dir,
)
Expand Down
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