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Julia language: skip startup.jl file #3496

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Merged
asottile merged 1 commit into from
Aug 2, 2025
Merged

Julia language: skip startup.jl file #3496

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5 changes: 3 additions & 2 deletions pre_commit/languages/julia.py
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@ def run_hook(

cmd = lang_base.hook_cmd(entry, args)
script = cmd[0] if is_local else prefix.path(cmd[0])
cmd = ('julia', script, *cmd[1:])
cmd = ('julia', '--startup-file=no', script, *cmd[1:])
return lang_base.run_xargs(
cmd,
file_args,
Expand Down Expand Up @@ -127,6 +127,7 @@ def install_environment(
end
"""
cmd_output_b(
'julia', '-e', julia_code, '--', envdir, *additional_dependencies,
'julia', '--startup-file=no', '-e', julia_code, '--', envdir,
*additional_dependencies,
cwd=prefix.prefix_dir,
)
14 changes: 14 additions & 0 deletions tests/languages/julia_test.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,8 @@
from __future__ import annotations

import os
from unittest import mock

from pre_commit.languages import julia
from testing.language_helpers import run_language
from testing.util import cwd
Expand Down Expand Up @@ -28,6 +31,17 @@ def test_julia_hook(tmp_path):
assert run_language(tmp_path, julia, 'src/main.jl') == expected


def test_julia_hook_with_startup(tmp_path):
depot_path = tmp_path.joinpath('depot')
depot_path.joinpath('config').mkdir(parents=True)
startup = depot_path.joinpath('config', 'startup.jl')
startup.write_text('error("Startup file used!")\n')

depo_path_var = f'{depot_path}{os.pathsep}'
with mock.patch.dict(os.environ, {'JULIA_DEPOT_PATH': depo_path_var}):
test_julia_hook(tmp_path)


def test_julia_hook_manifest(tmp_path):
code = """
using Example
Expand Down
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