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set RUSTUP_HOME when using a non-system rust #2788

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merged 1 commit into from Feb 28, 2023
Merged

set RUSTUP_HOME when using a non-system rust #2788

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7 changes: 6 additions & 1 deletion pre_commit/languages/rust.py
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Expand Up @@ -142,10 +142,15 @@ def install_environment(
else:
packages_to_install.add((package,))

with in_env(prefix, version):
with contextlib.ExitStack() as ctx:
ctx.enter_context(in_env(prefix, version))

if version != 'system':
install_rust_with_toolchain(_rust_toolchain(version))

tmpdir = ctx.enter_context(tempfile.TemporaryDirectory())
ctx.enter_context(envcontext((('RUSTUP_HOME', tmpdir),)))

if len(lib_deps) > 0:
_add_dependencies(prefix, lib_deps)

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