GeezerVison

LLM Description written by Claude Code:claude-opus-5-5

Refs #823 (slice 14; the issue stays open for the remaining PENDING_RAW_SPAWNS files)

What

Three suites still on PENDING_RAW_SPAWNS started socket-patch with a bare Command::new and their own SOCKET_* sweeps, which had drifted from tests/common/hermetic.rs. Those sweeps let an ambient SOCKET_NO_CONFIG through and never forced the update check off. None of the suites guarded Bundler's environment:

• e2e_gem.rs: its unscoped scans assert the exact purl set the gem crawler sends upstream. The crawler reads BUNDLE_PATH, BUNDLE_APP_CONFIG, the user's ~/.bundle/config and the gem env homes. With an ambient BUNDLE_PATH pointing at a store that holds a gem, or a HOME whose .bundle/config sets one, scan_discovers_vendored_gems and scan_discovers_gems_with_gemspec both fail on main (left: Some(3), right: Some(2)).
• vendor/vendor_gem_lockfile_only_e2e.rs and vendor/vendor_rerun_no_network_e2e.rs had the same partial sweeps, kept the real HOME, and scrubbed gem state only partly (BUNDLE_PATH / GEM_HOME by name, no GEM_PATH).

All three now spawn through hermetic::command with Extra::Bundle. Their gem-crawling CLI children also drop GEM_HOME / GEM_PATH and get the stand-in HOME from jvm_env::isolate_cli. e2e_gem and vendor_rerun_no_network_e2e add Extra::Venv. The bundle install child in e2e_gem scrubs SOCKET_* and BUNDLE_* before setting its own BUNDLE_PATH. The two cargo-only spawns in vendor_rerun_no_network_e2e already pin CARGO_HOME, so they only move to hermetic::command. The three files leave PENDING_RAW_SPAWNS, so the spawn_env_hygiene ratchet keeps them hermetic.

This PR doesn't touch common/hermetic.rs, so it doesn't overlap with #1498 / #1502 there. All three PRs remove different lines from PENDING_RAW_SPAWNS, so whichever lands later needs a trivial rebase of that list.

Test-only change; no product code touched.

CI cost

No workflow change. A lean PR run has the same job count (~28 Linux jobs) and job-minutes before and after, because these suites already run in the same jobs.

Test evidence

• cargo fmt --all -- --check: clean. cargo clippy --workspace --all-features -- -D warnings: clean. Clippy on the e2e_gem / vendor / spawn_env_hygiene test targets reports only existing lints in files this PR doesn't touch (prebuilt_common/mod.rs, e2e_golang_redirect.rs, duplicate-module warnings).
• Red on main (cargo test -p socket-patch-cli --all-features --test e2e_gem):
  • BUNDLE_PATH=<store holding rogue-9.9.9>: 21 passed, 2 failed (scan_discovers_gems_with_gemspec, scan_discovers_vendored_gems).
  • HOME=<home whose .bundle/config sets BUNDLE_PATH to that store>: the same 2 failed.
• Green on this branch, under each of: no override; BUNDLE_PATH=<store>; BUNDLE_APP_CONFIG=<config dir>; HOME=<that home>; GEM_HOME/GEM_PATH=<store>; and SOCKET_ECOSYSTEMS=npm SOCKET_NO_CONFIG=0 SOCKET_DRY_RUN=true SOCKET_CLI_API_TOKEN=x VIRTUAL_ENV=<dir>:
  • --test e2e_gem: 23 passed (3 live-API tests ignored, as in CI)
  • --test vendor -- vendor_gem_lockfile_only_e2e vendor_rerun_no_network_e2e: 20/20
  • --test spawn_env_hygiene: 15/15
• The 3 ignored e2e_gem tests need the live Socket API and Bundler. CI runs them on demand only (ci.yml:1169-1178), and they weren't run here. Their only change is the hermetic env on the CLI child, plus the SOCKET_* / BUNDLE_* scrub on the bundle install child that runs before it sets BUNDLE_PATH.
• CI on abd04cc: green (run 38470744989), mergeable state clean. Cursor Bugbot reports no issues.

/code-review high

• Fixed: the vendor suites kept the real HOME, so ~/.bundle/config and ~/.gem could still reach the crawl. GEM_PATH was never removed. The e2e_gem doc comment claimed more isolation than the code gave.
• Not fixed:
  • Folding e2e_gem's private run / assert_run_ok into common::run_bin_with_env with an extras parameter. That touches every caller of the shared runner, so it belongs in its own change. Earlier slices made the same call.
  • Moving the gem-home and HOME handling into Extra::Bundle. Extra::Bundle also scrubs real bundle children, and those need an ambient GEM_HOME on version-managed Rubies (rvm, chruby). Doing that would also put a third PR on hermetic.rs while CI: hermetic spawns in NuGet/PyPI suites (#823) #1498 and CI: hermetic spawns in Cargo/Composer suites (#823) #1502 edit it. The removal stays on the CLI children.

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