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nodejs: suppress Python warnings on x86_64-darwin

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Emily 2024-08-25 20:13:08 +01:00
parent 42a36f336d
commit 24536bf02c
1 changed files with 17 additions and 0 deletions
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pkgs/development/web/nodejs/nodejs.nix
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@ -270,6 +270,23 @@ let
checkFlags = [
# Do not create __pycache__ when running tests.
"PYTHONDONTWRITEBYTECODE=1"
] ++ lib.optionals (stdenv.buildPlatform.isDarwin && stdenv.buildPlatform.isx86_64) [
# Python 3.12 introduced a warning for calling `os.fork()` in a
# multi‐threaded program. For some reason, the Node.js
# `tools/pseudo-tty.py` program used for PTY‐related tests
# triggers this warning on Hydra, on `x86_64-darwin` only,
# despite not creating any threads itself. This causes the
# Node.js test runner to misinterpret the warnings as part of the
# test output and fail. It does not reproduce reliably off Hydra
# on Intel Macs, or occur on the `aarch64-darwin` builds.
#
# This seems likely to be related to Rosetta 2, but it could also
# be some strange x86‐64‐only threading behaviour of the Darwin
# system libraries, or a bug in CPython, or something else
# haunted about the Nixpkgs/Hydra build environment. We silence
# the warnings in the hope that closing our eyes will make the
# ghosts go away.
"PYTHONWARNINGS=ignore::DeprecationWarning"
] ++ lib.optionals (!stdenv.buildPlatform.isDarwin || lib.versionAtLeast version "20") [
"FLAKY_TESTS=skip"
# Skip some tests that are not passing in this context