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QC Audit Report — 2026-03-14

QC Audit Report — gitlab.horizon-haskell.net

Date: 2026-03-14 Repos audited: 17 canonical repos

CRITICAL ISSUES

1. Merge settings not enforced

Repo Pipeline required Discussions required
haskell/horizon-gen-nix ❌ false ❌ false
haskell/horizon-spec ❌ false ❌ false
package-sets/horizon-build-packages ❌ false ❌ false
package-sets/horizon-core ✅ true ❌ false
ghc/horizon-ghc ✅ true ❌ false

Policy §6.2 requires both only_allow_merge_if_pipeline_succeeds and only_allow_merge_if_all_discussions_are_resolved enabled on all repos.

2. CI template version outdated

Repo Current Expected Issue
nix/hackage-server-module Custom inline 0.19.0 template Not using shared template
nix/horizon-develop-flake Legacy ci-templates 0.19.0 template Wrong template entirely
nix/horizon-hoogle No .gitlab-ci.yml 0.19.0 template File missing
haskell/horizon-spec 0.8.0 0.19.0 Severely outdated
package-sets/horizon-platform Custom inline 0.19.0 template Not using shared template
quality-control/policy 0.18.0 0.19.0 One version behind

3. Nixica migration incomplete

Repo Status
nix/hackage-server-module Legacy flake-parts.lib.mkFlake
nix/horizon-develop-flake Legacy — raw outputs, no mkFlake
nix/horizon-hoogle Legacy flake-parts.lib.mkFlake
haskell/horizon-spec Legacy flake-parts.lib.mkFlake
package-sets/horizon-platform Legacy flake-parts.lib.mkFlake

(nix/nixica itself uses flake-parts directly — expected, not a migration target)

WARNINGS

4. Missing required root files (§2.1)

Repo Missing
nix/ghc-common-hadrian LICENSE
nix/hackage-server-module .gitignore, ChangeLog.md, LICENSE
nix/haskell-make-package-set LICENSE
nix/horizon-develop-flake .gitignore, ChangeLog.md, LICENSE
nix/horizon-hoogle .gitignore, .gitlab-ci.yml, ChangeLog.md, LICENSE, flake.lock
nix/werrorwolf .gitignore, LICENSE
haskell/horizon-gen-nix ChangeLog.md
haskell/horizon-spec ChangeLog.md
package-sets/horizon-build-packages ChangeLog.md
package-sets/horizon-core ChangeLog.md
ghc/horizon-ghc ChangeLog.md
quality-control/policy ChangeLog.md, LICENSE, README.md

Fully compliant: nix/gitlab-ci, nix/horizon-flake-parts, nix/horizon-supported-systems, nix/nixica, package-sets/horizon-platform

5. Stale open MRs

package-sets/horizon-platform: 4 open MRs (!225-228, "Standardize nix directory structure") — created 2026-03-04 (10 days), all have squash=false and no pipeline has run.

SUMMARY SCORECARD

Repo Root files CI version Merge settings Nixica Open MRs
nix/ghc-common-hadrian ⚠️ LICENSE ✅ 0.19.0 ✅ ✅ —
nix/gitlab-ci ✅ N/A (self) ✅ ✅ —
nix/hackage-server-module ❌ missing 3 ❌ no template ✅ ❌ LEGACY —
nix/haskell-make-package-set ⚠️ LICENSE ✅ 0.19.0 ✅ ✅ —
nix/horizon-develop-flake ❌ missing 3 ❌ legacy template ✅ ❌ LEGACY —
nix/horizon-flake-parts ✅ ✅ 0.19.0 ✅ ✅ —
nix/horizon-hoogle ❌ missing 5 ❌ NO CI ✅ ❌ LEGACY —
nix/horizon-supported-systems ✅ ✅ 0.19.0 ✅ ✅ —
nix/nixica ✅ ✅ 0.19.0 ✅ N/A (self) —
nix/werrorwolf ⚠️ missing 2 ✅ 0.19.0 ✅ ✅ —
haskell/horizon-gen-nix ⚠️ ChangeLog ✅ 0.19.0 ❌ both off ✅ —
haskell/horizon-spec ⚠️ ChangeLog ❌ 0.8.0 ❌ both off ❌ LEGACY ⚠️ 1
pkg-sets/horizon-build-packages ⚠️ ChangeLog ✅ 0.19.0 ❌ both off ✅ —
pkg-sets/horizon-core ⚠️ ChangeLog ✅ 0.19.0 ⚠️ partial ✅ —
pkg-sets/horizon-platform ✅ ❌ no template ✅ ❌ LEGACY ❌ 4 stale
ghc/horizon-ghc ⚠️ ChangeLog ✅ 0.19.0 ⚠️ partial ✅ —
quality-control/policy ❌ missing 3 ⚠️ 0.18.0 ✅ ✅ —

RECOMMENDED PRIORITIES

  1. Enable merge protections on horizon-gen-nix, horizon-spec, horizon-build-packages (both settings). Add discussion requirement on horizon-core and horizon-ghc. — @locallycompact (admin action)
  2. Upgrade CI template on horizon-spec (0.8.0→0.19.0) and quality-control/policy (0.18.0→0.19.0) — @smartypants
  3. Migrate to nixica: hackage-server-module, horizon-develop-flake, horizon-hoogle, horizon-platform — @smartypants (horizon-hoogle deferred to Horizon Hoogle 1.0 milestone)
  4. Add missing LICENSE files across 7 repos — @smartypants
  5. Add missing ChangeLog.md across 7 repos — @smartypants
  6. Address stale MRs on horizon-platform (4 MRs, 10 days, no pipelines) — @smartypants / @locallycompact
  7. Add .gitlab-ci.yml to horizon-hoogle — @smartypants (part of Horizon Hoogle 1.0)

cc @locallycompact @smartypants @bossypants