Bazel https://github.com/bazelbuild/bazel/issues/21474 reproducer

.bazelversion

7.0.2

BUILD.bazel

sh_test(
    name = "unsandboxed_test",
    srcs = ["unsandboxed_test.sh"],
    # this test must be run unsandboxed
    tags = ["no-sandbox"],
)

rules.bzl

def _reproducer_aspect_impl(target, ctx):
    output = ctx.actions.declare_file("{}.aspect_out".format(target.label.name))
    ctx.actions.run_shell(
        # if sandboxing is enabled, we should only see the handful of processes in the sandboxed
        # process namespace
        command = 'ps > "$1"',
        arguments = [output.path],
        outputs = [output],
    )
    return [OutputGroupInfo(aspect_out = depset([output]))]

reproducer_aspect = aspect(
    implementation = _reproducer_aspect_impl,
)

unsandboxed_test.sh

# pretend we do something interesting here

WORKSPACE

# empty workspace