Every hand-rolled test-sandbox helper keyed its directory on
std::process::id() under env::temp_dir(), so the pre-create wipe never
matched a prior run's path: one directory stranded per helper site per
test-binary invocation, >50k dirs / 15.5 GiB on the 16 GiB tmpfs by
2026-07-13.
The remedy extends commit 84e1075's knob-lab pattern to every site:
fixed, tag-keyed, PID-FREE names under the build-tree tmp anchor, each
site keeping its pre-create remove_dir_all — which now genuinely
reclaims the previous run. Integration/bench targets use
env!("CARGO_TARGET_TMPDIR"); src-internal unit-test helpers (cargo sets
that var only for integration/bench targets) derive the same anchor
from env!("CARGO_MANIFEST_DIR") + ../../target/tmp. Residue is bounded
to one directory per site, on disk instead of the tmpfs, per checkout.
One deliberate exception: project_new.rs's tmp() stays under
env::temp_dir() because two of its tests (new_outside_a_work_tree_*)
need a base genuinely detached from any git work tree, and target/
lives inside the checkout's work tree. Its name carries a per-checkout
hash discriminator instead, so concurrently running checkouts (which
share /tmp) cannot race on the fixed name while each run still
reclaims its predecessor.
tempfile-RAII was considered and rejected (issue #258 decision log):
it cannot cover the process-lifetime OnceLock scaffolds (statics never
drop), adds a dependency, and still strands kill-leftovers on the
tmpfs.
Verified: full workspace suite green (incl. the new RED regression
test temp_cwd_sandbox_does_not_leak_under_env_temp_dir), clippy clean,
sandboxes observed under target/tmp with stable names across runs.
Stale pre-fix PID-keyed dirs in /tmp are not swept by this change and
age out only by manual cleanup.
closes#258
The helper keys its sandbox on std::process::id() under env::temp_dir(),
so the pre-create wipe never matches a prior run's path: one directory
strands per test-binary invocation on the 16 GiB tmpfs (>50k dirs by
2026-07-13). The test pins the property at one representative site: the
returned path embeds no PID and lives off env::temp_dir().
refs #258
aura new and aura nodes new follow their git init with a best-effort
initial commit (inline committer identity, warning-never-fatal, skipped
whenever the init itself was skipped per #204), so a fresh project's
first run stamps a real commit instead of an empty provenance block.
closes#243
- New clap family `aura nodes new <name> [--engine-path] [--namespace]`:
scaffolds a node crate as a SIBLING of the project root (Cargo.toml
with the aura-core path-dep, the parameterized Scale starter node,
roster macro, crate-scoped .gitignore + CLAUDE.md, own git repo) and
appends the `[nodes] crates = ["../<name>"]` pointer to the project's
Aura.toml. Refuses outside a project, on any existing [nodes] section
(incl. an empty crates array), and on an existing destination; joins
the load-phase bypass beside `aura new` (a scaffolder must work in an
unbuilt tree).
- The old single-tier scaffold() is gone; the crate templates live on
in scaffold_node_crate; dead-code bridges removed with their callers.
- tests/project_nodes.rs: attach + refusals + namespace override + the
full role-2 loop (scaffold, cargo build, vocabulary resolves
<ns>::Scale end to end).
- tests/project_sweep_campaign.rs fixture reworked to the two-tier
shape (aura new + aura nodes new --namespace knob_lab); the two
campaign acceptance tests are byte-unchanged and green.
refs #241
claude