From daeb83dae20c8655feb669a751d5f020b3ae0af6 Mon Sep 17 00:00:00 2001
From: Max Ulidtko <ulidtko@gmail.com>
Date: Fri, 14 Jun 2024 14:06:37 +0200
Subject: [PATCH] fix(CI): Relax .installed constraints on Cabal & Cabal-syntax

Workaround for https://github.com/haskell/cabal/issues/9917
---
 .github/workflows/haskell-ci.yml | 2 +-
 cabal.haskell-ci                 | 8 +++++++-
 2 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/haskell-ci.yml b/.github/workflows/haskell-ci.yml
index 508a0ef..0197867 100644
--- a/.github/workflows/haskell-ci.yml
+++ b/.github/workflows/haskell-ci.yml
@@ -217,7 +217,7 @@ jobs:
           if [ $((HCNUMVER >= 80200)) -ne 0 ] ; then echo "    ghc-options: -Werror=missing-methods" >> 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 /^(cabal-doctest|multiple-components-example|simple-example)$/; }' >> cabal.project.local
+          $HCPKG list --simple-output --names-only | perl -ne 'for (split /\s+/) { print "constraints: any.$_ installed\n" unless /^(Cabal|Cabal-syntax|cabal-doctest|multiple-components-example|simple-example)$/; }' >> cabal.project.local
           cat cabal.project
           cat cabal.project.local
       - name: dump install plan
diff --git a/cabal.haskell-ci b/cabal.haskell-ci
index 06a3ec2..0cfa580 100644
--- a/cabal.haskell-ci
+++ b/cabal.haskell-ci
@@ -2,4 +2,10 @@ branches: master
 -- jobs-selection: any
 
 -- Older haddocks error out for various reasons
-haddock: >= 9.4
\ No newline at end of file
+haddock: >= 9.4
+
+-- Not pinned: the version decision is on haskell-ci
+-- cabal-install-version: 3.10.3.0
+
+-- Workaround for https://github.com/haskell/cabal/issues/9917
+installed: +all -Cabal -Cabal-syntax