The original diff claimed all three sibling `ufw status | grep -q` sites were
safe because none set pipefail. That is true of drill/wipe.sh and
drill/doctor.sh (both `set -u`) and FALSE of host/teardown-host.sh, whose
line 12 is `set -euo pipefail`. Its line 60 was the identical pipeline, so
the same race could read a plainly-active UFW as inactive and skip the whole
crumb-removal block — leaving stale boxnet/claudenet rules on a host the
operator was told is clean. Its numbered-delete loop had the same early-exit
reader as its condition, so it could also end while rules remained.
Both now read captures, matching box-firewall.sh's fix. The changelog claim
is corrected rather than deleted: this repo's changelog is the record of what
was proven, and shipping a disproven safety claim about a live defect is
worse than the defect, because it tells the next reader not to look.
Pinned in both directions, with comment lines stripped before matching — the
fix's own commentary quotes the racing shape to explain it, and a pin that
cannot tell prose from code fails on the comment documenting why it exists.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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