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fix: pin occupancy-types at its merge commit 8f09c0b #277

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Merged
hyperpolymath merged 1 commit into from
Oct 14, 2026
+12 −2
Merged

fix: pin occupancy-types at its merge commit 8f09c0b #277

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10 changes: 10 additions & 0 deletions CHANGELOG.adoc
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Expand Up @@ -9,6 +9,16 @@ https://semver.org/spec/v2.0.0.html[Semantic Versioning].

=== [Unreleased]

==== occupancy-types pin `6013483` → `8f09c0b` (2026-10-14)

* `scripts/fetch-siblings.sh` pins occupancy-types at `8f09c0b`, the merge of
hyperpolymath/occupancy-types#11. The old pin was a commit on that PR's
branch, which was deleted at merge, so a fresh clone could no longer fetch
it (`fatal: reference is not a tree`) and the kernel-proofs gate could not
start. The two trees differ only in occupancy-types' own
`scripts/check-agda.sh`; the Agda sources this gate checks are identical.
* `ResourceAlgebra/MinMax.idr`: a header comment loses a stray "and".

==== MinMax joins the grade kernel (2026-10-14)

* New `ResourceAlgebra/MinMax.idr` transcribes resource-algebra
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2 changes: 1 addition & 1 deletion scripts/fetch-siblings.sh
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Expand Up @@ -22,7 +22,7 @@ set -euo pipefail
cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.."

RESOURCE_ALGEBRA_COMMIT="${RESOURCE_ALGEBRA_COMMIT:-0b338c9fc45cd04e7ee7d00b3855cd59d56a2afe}"
OCCUPANCY_TYPES_COMMIT="${OCCUPANCY_TYPES_COMMIT:-60134839efe2c6f51a31d977a72c1cf94457e71d}"
OCCUPANCY_TYPES_COMMIT="${OCCUPANCY_TYPES_COMMIT:-8f09c0bb319dee99d532e261cd5da4d04ace479a}"
CHOREOGRAPHIC_TYPES_COMMIT="${CHOREOGRAPHIC_TYPES_COMMIT:-edb784a7d26c276c2abfa8399b773d346dbb101e}"

fetch() { # fetch <name> <commit>
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2 changes: 1 addition & 1 deletion src/abi/TypedWasm/ABI/ResourceAlgebra/MinMax.idr
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Expand Up @@ -20,7 +20,7 @@
-- minMaxSeq = sequence = MAX (the worst hop) — the "⊗", unit Finite 0
-- lossAlt = alternatives = MIN (the better path) — the "⊕", unit Infinity
-- Infinity absorbs under sequence but is the identity for alternatives:
-- and an unreachable alternative is never chosen.
-- an unreachable alternative is never chosen.
--
-- The carrier is shared with Loss ON PURPOSE (upstream Morphism.agda,
-- `loss-bottleneck`: the identity on the carrier is a lax morphism Loss →
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