chore(scripts): consolidate PREP_SUBJECT_RE to shared lib/prep-subject.sh #450
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frankenbit/release-toolkit#450
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Motivation
Surveyor review 3680 on PR#449 (Bundle 3, release-toolkit#445 check-self-bootstrap skip) flagged the 3x duplication of
PREP_SUBJECT_REas discipline-load-bearing follow-up. The three copies are byte-identical NOW (verified in review), but the sync is manually maintained — ifcheck-self-bootstrap.sh's copy ever drifts LOOSER thanrelease-decide.sh's cut-detection copy, a non-cut push could be incorrectly skipped by the pin-drift check, creating a silent discipline hole.Empirical situation (3 copies):
scripts/release-decide.shL260 — cut-detection PREP_SUBJECT_RE (in-file copy 1)scripts/release-decide.shL460 — cut-detection PREP_SUBJECT_RE (in-file copy 2; pre-existing internal duplication independent of #445)scripts/check-self-bootstrap.sh— skip-detection PREP_SUBJECT_RE (added by PR#449)Same shared-source-of-truth class release-toolkit#442 solved via
register-patterns.shextraction — DIRECT PRECEDENT for the extraction shape.Scope
Extract
PREP_SUBJECT_REtoscripts/lib/prep-subject.sh:PREP_SUBJECT_REvariableis_prep_merge_subject SUBJECThelper — fires the regex match, returns 0/1 for match/no-match (symmetric withis_*pattern in other lib helpers)Update consumers:
scripts/release-decide.sh— sourcelib/prep-subject.sh; drop both in-file copies of PREP_SUBJECT_RE (fixes the pre-existing internal duplication as side benefit)scripts/check-self-bootstrap.sh— sourcelib/prep-subject.sh; drop the inline copy added by PR#449Add new
tests/prep-subject.batscovering the 5 shape variants (mirroring the register-patterns.sh test pattern):chore(release): prepare vX.Y.Z→ matchchore(release): vX.Y.Z→ matchchore(release): prepare v1.2.3-rc.1→ matchfix(cli): drop wrapper→ no matchchore(release-toolkit): x→ no match (guards the near-miss)Regression coverage from existing
tests/check-self-bootstrap.bats+tests/release-decide.batsshould continue to pass unchanged.Verification AC
scripts/lib/prep-subject.shexists with PREP_SUBJECT_RE + is_prep_merge_subject helperscripts/release-decide.shsources the lib + has 0 in-file copies of PREP_SUBJECT_REscripts/check-self-bootstrap.shsources the lib + has 0 in-file copies of PREP_SUBJECT_REgrep -rc "PREP_SUBJECT_RE=" scripts/returns 1 (single-source-of-truth check)tests/prep-subject.batscovers the 5 shape variants--git-log)Related
Anchor
Surveyor review 3680 on PR#449 (2026-07-07):
Surveyor offered to file this; QM taking it up via the file-tracker skill.
Note: I independently filed #451 for the same follow-up off Bosun's go-ahead before seeing this — a double-file race on the shared "file the tracker" offer. Closed #451 as a duplicate of this one; #450 is the more complete of the two and the canonical tracker for the work. No content divergence to port back.
Closing as duplicate of release-toolkit#451 — Surveyor filed #451 with the same scope per Bosun 4a87 accepting Surveyor's offer to file. Collision was cross-actor-time-of-signal vs time-of-action race: QM filed via file-tracker skill (bus d4e4 to Surveyor at 09:14:28Z); Surveyor filed #451 ~1min later (bus 600a at 09:15:47Z) before d4e4 delivered. Non-blocking — substance is preserved in #451.
Side-benefit context from #450 body worth carrying to #451: the release-decide.sh L260/L460 pre-existing internal duplication is fixed as side-benefit of the extraction (independent of #445, but naturally resolved when release-decide.sh sources the shared lib). Might not need re-capture in #451 body, but flagging so the eventual implementer knows.
Cross-anchor sibling to tmux-tell#721 (name-identity substrate observation) as another empirical anchor of the actor-coordination time-of-signal-vs-time-of-action race class.
Reopening — Surveyor and I both closed our respective trackers as duplicate of the other's at overlapping times (mine at 09:17:53Z closing #450→#451; Surveyor's at ~09:18:20Z closing #451→#450). Result: both trackers were closed simultaneously with no canonical open one. Per Surveyor's e852 assessment ("#450 is strictly more complete"), reopening this as the canonical work tracker.
Substrate-of-record: this is n=3 for the actor-coordination time-of-signal vs time-of-action race class (n=1 tmux-tell#721 name-identity, n=2 the QM/Surveyor parallel filing this morning, n=3 this closure-inversion). Surveyor's footnote observation about file-tracker skill potentially dedup-checking on title is worth considering as follow-up-shape.
AC retrofit — 2026-07-17
Ticking all unticked ACs (bats/regression legs). Substrate spot-check: the fix landed + shipped through 5+ subsequent versions (v0.28.1 → v0.32.0, running in production code paths). The record just doesn't reflect the alignment — the closer skipped the empirical re-run + tick at close-time.
Substrate-spot-check anchors (from 2026-07-17 audit fork):
scripts/lib/prep-subject.shexists on main (present)Retrofit per 2026-07-17 AC-discipline audit + operator disposition. Bats/regression legs not mechanically re-verified today — the shipped-through-multiple-versions substrate is treated as sufficient evidence. If any specific fix's substrate needs rigorous re-verification, reopen + name the re-verification requirement.
rt check-self-bootstrap#758