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chore(haskell): bump toolchain and dependency bounds - #214
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…ackage gen/haskell: - Raise build-depends to the versions in Stackage LTS 24 and the only ones that build on GHC 9.10+: base >= 4.18, proto-lens >= 0.7.1.7, proto-lens-protobuf-types >= 0.7.2.3, proto-lens-runtime >= 0.7.0.8 (now with an upper bound < 0.8). - Move stack.yaml from lts-22.7 to lts-24.60 (GHC 9.10.3). All previous extra-deps are in the snapshot, so the list is gone; lock regenerated. CI: - Rename setup-protoc-hololens to setup-proto-lens-protoc. - Build the plugin with GHC 9.12.4 and install proto-lens-protoc 0.9.0.1 (was 9.6.4 / 0.8.0.0). Both are action inputs. GHC 9.14 does not solve yet: proto-lens-protoc pins lens-family < 2.2, which needs containers < 0.8. - Key the cabal store cache on the GHC and plugin versions instead of a constant, and key the stack cache on gen/haskell/stack.yaml.lock; the old path hashed nothing.
carbolymer
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wolf31o2
approved these changes
Sep 24, 2026
scarmuega
approved these changes
Oct 12, 2026
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Summary
Refreshes the Haskell side of the codegen pipeline, which was still pinned to GHC 9.6.4,
proto-lens-protoc0.8.0.0 and Stackage lts-22.7.Changes
gen/haskell(theutxorpcpackage)base >= 4.18,proto-lens >= 0.7.1.7,proto-lens-protobuf-types >= 0.7.2.3,proto-lens-runtime >= 0.7.0.8, all< 0.8.Stack users on lts-22 or lts-23 will need
extra-depsfor these.stack.yamlmoves from lts-22.7 to lts-24.60 (GHC 9.10.3).Every previous
extra-depsentry is in that snapshot, so the list is gone.The lock file was regenerated by stack.
CI
setup-protoc-hololensis renamed tosetup-proto-lens-protoc.It now builds the plugin with GHC 9.12.4 and installs
proto-lens-protoc0.9.0.1; both versions are action inputs.cabal-store, so a bump gets a fresh cache.publish-haskellhashesgen/haskell/stack.yaml.lock; the previous root-relative path hashed nothing, so the key never changed.Verification
proto-lens-protoc0.9.0.1: 40 modules (14 + 12 + 14), matchingexposed-modulesexactly in both directions.cabal buildof the package with GHC 9.12.4 and the new bounds passes;cabal checkreports nothing.cabal install proto-lens-protoc-0.9.0.1solves on GHC 9.12.4 but not on GHC 9.14.1:proto-lens-protocpinslens-family < 2.2, and every such release needscontainers < 0.8.That is why 9.12.4 is the default rather than the latest GHC.
Notes
proto-lens-protocfrom source under the new cache key (roughly 10 to 15 minutes); later runs hit the cache.publish-haskellbuilds with stack on GHC 9.10.3; the two never meet, and the bounds admit both.