From 59413a0511523241e30b0fd3fe2f5b3bdf8b1d4c Mon Sep 17 00:00:00 2001
From: David Binder <david.binder@uni-tuebingen.de>
Date: Mon, 23 Oct 2023 15:42:34 +0200
Subject: [PATCH] Add Matrix CI (#180)

* Add Matrix CI for all supported GHC versions

* Add CI for Windows and MacOs

* Fix compatibility with GHC 9.6

* Mention compatibility in Changelog
---
 .github/workflows/ghc-matrix.yml | 76 ++++++++++++++++++++++++++++++++
 CHANGELOG                        |  6 ++-
 eventlog2html.cabal              |  4 +-
 3 files changed, 83 insertions(+), 3 deletions(-)
 create mode 100644 .github/workflows/ghc-matrix.yml

diff --git a/.github/workflows/ghc-matrix.yml b/.github/workflows/ghc-matrix.yml
new file mode 100644
index 0000000..1caf2b2
--- /dev/null
+++ b/.github/workflows/ghc-matrix.yml
@@ -0,0 +1,76 @@
+name: GHC Matrix CI
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types:
+      - opened
+      - synchronize
+
+jobs:
+  build:
+    name: GHC ${{ matrix.ghc-version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        ghc-version: ['9.0.2', '9.2.7', '9.4.7', '9.6.2']
+
+        include:
+          - os: windows-latest
+            ghc-version: '9.6.2'
+          - os: macos-latest
+            ghc-version: '9.6.2'
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up GHC ${{ matrix.ghc-version }}
+        uses: haskell-actions/setup@v2
+        id: setup
+        with:
+          ghc-version: ${{ matrix.ghc-version }}
+          # Defaults, added for clarity:
+          cabal-version: 'latest'
+          cabal-update: true
+
+      - name: Configure the build
+        run: |
+          cabal configure --enable-tests --enable-benchmarks --disable-documentation
+          cabal build --dry-run
+        # The last step generates dist-newstyle/cache/plan.json for the cache key.
+
+      - name: Restore cached dependencies
+        uses: actions/cache/restore@v3
+        id: cache
+        env:
+          key: ${{ runner.os }}-ghc-${{ steps.setup.outputs.ghc-version }}-cabal-${{ steps.setup.outputs.cabal-version }}
+        with:
+          path: ${{ steps.setup.outputs.cabal-store }}
+          key: ${{ env.key }}-plan-${{ hashFiles('**/plan.json') }}
+          restore-keys: ${{ env.key }}-
+
+      - name: Install dependencies
+        # If we had an exact cache hit, the dependencies will be up to date.
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: cabal build all --only-dependencies
+
+      # Cache dependencies already here, so that we do not have to rebuild them should the subsequent steps fail.
+      - name: Save cached dependencies
+        uses: actions/cache/save@v3
+        # If we had an exact cache hit, trying to save the cache would error because of key clash.
+        if: steps.cache.outputs.cache-hit != 'true'
+        with:
+          path: ${{ steps.setup.outputs.cabal-store }}
+          key: ${{ steps.cache.outputs.cache-primary-key }}
+
+      - name: Build
+        run: cabal build all
+
+      - name: Run tests
+        run: cabal test all
+
+      - name: Check cabal file
+        run: cabal check
diff --git a/CHANGELOG b/CHANGELOG
index fb04e32..56b6f48 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,3 +1,7 @@
+Unreleased
+
+* Compatibility with 9.0, 9.2, 9.4 and 9.6, which are now also checked in CI.
+
 0.10.0 release 2023-03-31
 
 * Add support for rendering ticky profiles
@@ -6,7 +10,7 @@
 
 * Add "--version" flag for eventlog2html which prints the version,
   git commit and git branch used to build eventlog2html.
-* Compatability with 9.4.* and 9.2.* compilers.
+* Compatibility with 9.4.* and 9.2.* compilers.
 
 0.9.2 release 2021-11-24
 
diff --git a/eventlog2html.cabal b/eventlog2html.cabal
index 384033e..51cc804 100644
--- a/eventlog2html.cabal
+++ b/eventlog2html.cabal
@@ -30,7 +30,7 @@ Extra-source-files:
   javascript/generated/vega-lite@4.17.0
 extra-doc-files: README.md
                  CHANGELOG
-Tested-With:         GHC ==9.2.5, GHC ==9.4.3
+Tested-With:         GHC ==9.0.2, GHC ==9.2.7, GHC ==9.4.7, GHC ==9.6.2
 
 Library
   Build-depends:
@@ -47,7 +47,7 @@ Library
     ghc-events           >= 0.19.0 && < 0.20,
     hashtables           >= 1.2.3 && < 1.4,
     hvega                >= 0.11.0 && < 0.13,
-    mtl                  >= 2.2.2 && < 2.3,
+    mtl                  >= 2.2.2 && < 2.4,
     optparse-applicative >= 0.14.3 && < 0.18,
     semigroups           >= 0.18 && < 0.21,
     text                 >= 1.2.3 && < 1.3 || >= 2.0 && < 2.1,