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Summary
os-bind-rpinstaller and its focused regression suiteWhy
The installer had disappeared from the checked-out lineage even though a
hardened version existed in later repository history. Review of that version
found additional trust, consent, documentation, and root-filesystem safety
gaps, which this branch fixes before restoring the public installation path.
Impact
Operators can again install with the documented
fetch ... | shentry point.The installer verifies exact package archives and transaction shapes, refuses
unapproved BIND mutations, preserves recovery state, and uses private scratch
directories. The manual path stages and fingerprint-verifies the repository
key before atomically replacing the trusted key.
Validation
sh -n scripts/install-os-bind-rp.shshellcheck scripts/install-os-bind-rp.shgit diff --check380033897d39736cae054f4516ca0a26e646e0a6fb3e1e6c183bb6477a5e157eexecuted successfully on HA-2; exact package checksums passed and BIND remained running with the same PIDThe worktree is intentionally retained for review follow-up.