From c2a1a3c0a6396d83b92c4efe1bd872fb3c701d61 Mon Sep 17 00:00:00 2001
From: Tomas Janousek <tomi@nomi.cz>
Date: Sun, 24 Oct 2021 11:17:41 +0100
Subject: [PATCH] ci: Add Stackage LTS 18 to Stack test matrix

---
 .github/workflows/stack.yml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/stack.yml b/.github/workflows/stack.yml
index 53828c7..db6d700 100644
--- a/.github/workflows/stack.yml
+++ b/.github/workflows/stack.yml
@@ -20,6 +20,8 @@ jobs:
             ghc: 8.8.4
           - resolver: lts-17
             ghc: 8.10.4
+          - resolver: lts-18
+            ghc: 8.10.7
 
     steps:
       - name: Clone project
@@ -43,7 +45,8 @@ jobs:
             #
 
       - name: Install GHC
-        # use system ghc in stack, don't waste GH Actions cache space
+        # use system ghc (if available) in stack, don't waste GH Actions cache space
+        continue-on-error: true
         run: |
           set -ex
           sudo apt install -y ghc-${{ matrix.ghc }}