From 7223b6ed9f22e40a56803de06d00a90172267177 Mon Sep 17 00:00:00 2001
From: Takahiro HIMURA <taka@himura.jp>
Date: Thu, 18 Nov 2021 00:53:07 +0900
Subject: [PATCH] CI: test with both aeson >= 2 & aeson < 2

---
 .github/workflows/haskell.yml | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/haskell.yml b/.github/workflows/haskell.yml
index aa2352f..6bddaa8 100644
--- a/.github/workflows/haskell.yml
+++ b/.github/workflows/haskell.yml
@@ -10,9 +10,14 @@ jobs:
   build:
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
         ghc: [ '8.8.4', '8.10.7', '9.0.1' ]
         cabal: [ 'latest' ]
+        allow-failure: [ false ]
+        cabal-options:
+          - '--constraint="aeson < 2"'
+          - '--constraint="aeson >= 2"'
     steps:
     - uses: actions/checkout@v2
     - uses: haskell/actions/setup@v1
@@ -29,11 +34,11 @@ jobs:
     - name: Install dependencies
       run: |
         cabal v2-update
-        cabal v2-build all --only-dependencies --enable-tests
+        cabal v2-build all --only-dependencies --enable-tests ${{ matrix.cabal-options }}
     - name: Build
-      run: cabal v2-build all
+      run: cabal v2-build all ${{ matrix.cabal-options }}
     - name: Run tests
-      run: cabal v2-test all
+      run: cabal v2-test all ${{ matrix.cabal-options }}
 
   hlint:
     name: lint *.hs