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Julia: support language_version #3498

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Julia: support language_version #3498

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e750927
Julia: support language_version
ericphanson Jul 21, 2025
623af3b
Merge branch 'main' into eph/jl-version
ericphanson Aug 18, 2025
3957ac8
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Aug 18, 2025
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Julia: support language_version
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@ericphanson
ericphanson committed Jul 21, 2025
commit e7509272b31867c1461d983ddbc49b074ac25adf
7 changes: 6 additions & 1 deletion .github/workflows/languages.yaml
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Expand Up @@ -67,7 +67,12 @@ jobs:
if: matrix.language == 'haskell'
- uses: r-lib/actions/setup-r@v2
if: matrix.os == 'ubuntu-latest' && matrix.language == 'r'

- uses: julia-actions/install-juliaup@v2
if: matrix.language == 'julia'
with:
channel: 'release'
- run: juliaup add 1.10.10
if: matrix.language == 'julia'
- name: install deps
run: python -mpip install -e . -r requirements-dev.txt
- name: run tests
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7 changes: 6 additions & 1 deletion pre_commit/languages/julia.py
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Expand Up @@ -49,8 +49,13 @@ def run_hook(
def get_env_patch(target_dir: str, version: str) -> PatchesT:
return (
('JULIA_LOAD_PATH', target_dir),
# May be set, remove it to not interfer with LOAD_PATH
# May be set, remove it to not interfere with LOAD_PATH
('JULIA_PROJECT', UNSET),
# Only set JULIAUP_CHANNEL if we don't want use the system's default
*(
(('JULIAUP_CHANNEL', version),)
if version not in ('system', 'default') else ()
),
)


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16 changes: 16 additions & 0 deletions tests/languages/julia_test.py
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Expand Up @@ -28,6 +28,22 @@ def test_julia_hook(tmp_path):
assert run_language(tmp_path, julia, 'src/main.jl') == expected


def test_julia_hook_version(tmp_path):
code = """
using Example
function main()
println("Hello, Julia $(VERSION)!")
end
main()
"""
_make_hook(tmp_path, code)
expected = (0, b'Hello, Julia 1.10.10!\n')
assert run_language(
tmp_path, julia, 'src/main.jl',
version='1.10.10',
) == expected


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