From 080e0fb79b220ab7fa374ccfeba91143a92d4894 Mon Sep 17 00:00:00 2001
From: Andreas Abel <andreas.abel@ifi.lmu.de>
Date: Mon, 12 Jan 2026 10:43:50 +0100
Subject: [PATCH] Remove unused dependency transformers

---
 .github/workflows/haskell-ci.yml | 26 ++++++++++++++++++--------
 cabal.haskell-ci                 |  2 ++
 helf.cabal                       |  4 ++--
 3 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index d581999..f67efc9 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -8,9 +8,9 @@
 #
 # For more information, see https://github.com/haskell-CI/haskell-ci
 #
-# version: 0.19.20250330
+# version: 0.19.20260104
 #
-# REGENDATA ("0.19.20250330",["github","helf.cabal"])
+# REGENDATA ("0.19.20260104",["github","helf.cabal"])
 #
 name: Haskell-CI
 on:
@@ -20,6 +20,9 @@ on:
   pull_request:
     branches:
       - master
+  merge_group:
+    branches:
+      - master
 jobs:
   linux:
     name: Haskell-CI - Linux - ${{ matrix.compiler }}
@@ -32,14 +35,19 @@ jobs:
     strategy:
       matrix:
         include:
+          - compiler: ghc-9.14.1
+            compilerKind: ghc
+            compilerVersion: 9.14.1
+            setup-method: ghcup
+            allow-failure: false
           - compiler: ghc-9.12.2
             compilerKind: ghc
             compilerVersion: 9.12.2
             setup-method: ghcup
             allow-failure: false
-          - compiler: ghc-9.10.1
+          - compiler: ghc-9.10.3
             compilerKind: ghc
-            compilerVersion: 9.10.1
+            compilerVersion: 9.10.3
             setup-method: ghcup
             allow-failure: false
           - compiler: ghc-9.8.4
@@ -110,8 +118,8 @@ jobs:
           chmod a+x "$HOME/.ghcup/bin/ghcup"
       - name: Install cabal-install
         run: |
-          "$HOME/.ghcup/bin/ghcup" install cabal 3.14.1.1-p1 || (cat "$HOME"/.ghcup/logs/*.* && false)
-          echo "CABAL=$HOME/.ghcup/bin/cabal-3.14.1.1-p1 -vnormal+nowrap" >> "$GITHUB_ENV"
+          "$HOME/.ghcup/bin/ghcup" install cabal 3.16.0.0 || (cat "$HOME"/.ghcup/logs/*.* && false)
+          echo "CABAL=$HOME/.ghcup/bin/cabal-3.16.0.0 -vnormal+nowrap" >> "$GITHUB_ENV"
       - name: Install GHC (GHCup)
         if: matrix.setup-method == 'ghcup'
         run: |
@@ -187,7 +195,7 @@ jobs:
           chmod a+x $HOME/.cabal/bin/cabal-plan
           cabal-plan --version
       - name: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           path: source
       - name: initial cabal.project for sdist
@@ -212,7 +220,9 @@ jobs:
           touch cabal.project.local
           echo "packages: ${PKGDIR_helf}" >> cabal.project
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "package helf" >> cabal.project ; fi
-          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods -Werror=missing-fields" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "package helf" >> cabal.project ; fi
+          if [ $((HCNUMVER >= 90400)) -ne 0 ] ; then echo "    ghc-options: -Werror=unused-packages" >> cabal.project ; fi
           cat >> cabal.project <<EOF
           EOF
           $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(helf)$/; }' >> cabal.project.local
diff --git a/cabal.haskell-ci b/cabal.haskell-ci
index 1a741a8..13ffb16 100644
--- a/cabal.haskell-ci
+++ b/cabal.haskell-ci
@@ -1,3 +1,5 @@
 branches: master
+error-incomplete-patterns: False
+
 -- Specify 'constraint: ... installed' packages
 -- installed: +all -containers -mtl -transformers
diff --git a/helf.cabal b/helf.cabal
index ae5e75f..036a083 100644
--- a/helf.cabal
+++ b/helf.cabal
@@ -17,8 +17,9 @@ description:
   It type-checks LF definitions, but does not do type reconstruction.
 
 tested-with:
+  GHC == 9.14.1
   GHC == 9.12.2
-  GHC == 9.10.1
+  GHC == 9.10.3
   GHC == 9.8.4
   GHC == 9.6.7
   GHC == 9.4.8
@@ -92,7 +93,6 @@ executable helf
     , pretty       >= 1.0      && < 2
     , text         >= 1.0.0.1  && < 3
         -- text-1.0.0.1 fixes a regression in decodeUtf8
-    , transformers >= 0.2      && < 1
   build-tool-depends:
       happy:happy  >= 1.18.10  && < 3
         -- happy-1.18.10 has fixes for GHC 7.6.3