Merge pull request #100 from peterbecich/github-action

Add GitHub Actions for CI

.github/workflows/cabal.yml

@@ -0,0 +1,73 @@
+# https://github.com/haskell/actions/tree/main/setup
+
+name: build
+on:
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    name: GHC ${{ matrix.ghc-version }} on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest]
+        ghc-version: ['9.6', '9.4', '9.2', '9.0']
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - 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
+        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
+        # Caches are immutable, trying to save with the same key would error.
+        if: ${{ steps.cache.outputs.cache-primary-key != steps.cache.outputs.cache-matched-key }}
+        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
+
+      - name: Build documentation
+        run: cabal haddock all

.gitignore

@@ -10,3 +10,4 @@ cabal-dev
 .stack-work/
 cabal.sandbox.config
 cabal.config
+dist-newstyle

README.md

@@ -1,4 +1,5 @@
-Scalpel [![Build Status](https://travis-ci.org/fimad/scalpel.svg?branch=master)](https://travis-ci.org/fimad/scalpel) [![Hackage](https://img.shields.io/hackage/v/scalpel.svg)](https://hackage.haskell.org/package/scalpel)
+Scalpel
+[![Build status](https://github.com/fimad/scalpel/actions/workflows/cabal.yml/badge.svg)](https://github.com/fimad/scalpel/actions/workflows/cabal.yml) [![Build Status](https://travis-ci.org/fimad/scalpel.svg?branch=master)](https://travis-ci.org/fimad/scalpel) [![Hackage](https://img.shields.io/hackage/v/scalpel.svg)](https://hackage.haskell.org/package/scalpel)
 =======
 
 Scalpel is a web scraping library inspired by libraries like