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* fix(#3191): anchor remaining diff-base greps, portably The #2989 fix anchored only the Tier-3 grep, and did so with \b — not a POSIX ERE token, so on macOS regex(3) it silently matches nothing and Tier 3 always fails closed. spawn_reviewer's agent-context DIFF_BASE and the fallow structural pre-pass's --changed-since base each still ran the original unanchored --grep="${PADDED_PHASE}", whose oldest substring match is routinely a version-string/date commit from months before the phase existed — feeding the reviewer agent a bogus diff_base exactly when files: is empty, and widening fallow's changed-files scope. All three derivations now use the same anchored, POSIX-portable '[Pp]hase N([^[:alnum:]_]|$)' with --extended-regexp; spawn_reviewer also gains Tier-3's parent-exists guard so the two computations are the same algorithm. Behavioral regression tests execute the shipped bash extracted from the workflow files against a git fixture on every platform, so the macOS \b hole is covered, not just the Linux CI view. * chore(#3191): backfill changeset PR number 3437 * fix(#3191): scope fallow test snippet past the gsd-tools resolver The CI runners have no installed gsd-tools, so executing the resolver line that precedes FALLOW_SCOPE_ARGS in the extracted fence exits 1 before the derivation under test ever runs. Slice the snippet to start at FALLOW_SCOPE_ARGS=() — the resolver is orthogonal to the base derivation the regression test binds. --------- Co-authored-by: sim <sim@local>
44 KiB
44 KiB