Add GitHub Actions CI workflow (#168)

* Add CI workflow

* Remove .travis.yml

* Update CI badge in README

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Run SwiftLint Against Changes
+        uses: norio-nomura/action-swiftlint@3.1.0
+        env:
+          DIFF_BASE: ${{ github.base_ref }}
+
+  test:
+    runs-on: macOS-latest
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - scheme: Surge-macOS
+            destination: platform=macOS
+          - scheme: Surge-iOS
+            destination: platform=iOS Simulator,name=iPhone 11
+          - scheme: Surge-tvOS
+            destination: platform=tvOS Simulator,name=Apple TV 4K
+          - scheme: Surge-watchOS
+            destination: platform=watchOS Simulator,name=Apple Watch Series 5 - 44mm
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Build
+        run: xcodebuild build -workspace Surge.xcworkspace -scheme '${{ matrix.scheme }}' -destination '${{ matrix.destination }}'
+      - name: Test
+        run: xcodebuild test -workspace Surge.xcworkspace -scheme '${{ matrix.scheme }}' -destination '${{ matrix.destination }}'
+        if: matrix.scheme != 'Surge-watchOS'
+
+  benchmark:
+    needs: test
+    runs-on: macOS-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v1
+      - name: Run Benchmark Target
+        run: xcodebuild test -workspace Surge.xcworkspace -scheme SurgeBenchmarkTests-macOS -destination platform='macOS'

.travis.yml

@@ -1,24 +0,0 @@
-language: swift
-osx_image: xcode10.2
-
-cache:
-  directories:
-    - $HOME/Library/Caches/Homebrew
-    - /usr/local/Homebrew
-
-before_cache:
-  - brew cleanup
-
-install:
-  - brew update
-  - brew outdated swiftlint || brew upgrade swiftlint
-  - gem install xcpretty
-
-script:
-  - swiftlint --strict
-  - xcodebuild clean build test -workspace Surge.xcworkspace -scheme Surge-iOS -destination 'platform=iOS Simulator,name=iPhone 8,OS=11.1' | xcpretty
-  - xcodebuild clean build test -workspace Surge.xcworkspace -scheme Surge-macOS -destination 'platform=OS X,arch=x86_64' | xcpretty
-  - xcodebuild clean build test -workspace Surge.xcworkspace -scheme Surge-tvOS -destination 'platform=tvOS Simulator,name=Apple TV 4K,OS=11.1' | xcpretty
-  - xcodebuild clean build -workspace Surge.xcworkspace -scheme Surge-watchOS -destination 'platform=watchOS Simulator,name=Apple Watch Series 3 - 42mm,OS=4.1' | xcpretty
-  - xcodebuild clean build -workspace Surge.xcworkspace -scheme SurgeBenchmarkTests-macOS -destination 'platform=OS X,arch=x86_64' | xcpretty
-  

README.md

@@ -806,8 +806,8 @@ Fast fourier transform functions & operators
 
 </details>
 
-[build status]: https://travis-ci.org/Jounce/Surge
-[build status badge]: https://api.travis-ci.com/Jounce/Surge.svg?branch=master
+[build status]: https://github.com/Jounce/Surge/actions?query=workflow%3ACI
+[build status badge]: https://github.com/Jounce/Surge/workflows/CI/badge.svg
 [license]: https://opensource.org/licenses/MIT
 [license badge]: https://img.shields.io/cocoapods/l/Surge.svg
 [cocoapods platforms badge]: https://img.shields.io/cocoapods/p/Surge.svg