CI: switch to github actions

.github/workflows/test.yml

@@ -0,0 +1,53 @@
+name: Tests
+
+on:
+  push:
+    branches:
+    - 'master'
+  pull_request:
+    branches:
+    - '*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false  # don't cancel if a job from the matrix fails
+      matrix:
+        compiler:
+          - { compiler: GNU,  CC: gcc,   CXX: g++, FORMAT: ON }
+          - { compiler: LLVM, CC: clang, CXX: clang++, FORMAT: OFF }
+        #flavor: [ Release, Coverage ] # TODO
+        flavor: [ Release ]
+        exclude:
+          - compiler: { compiler: LLVM, CC: clang, CXX: clang++ }
+            flavor: Coverage
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+      - name: Install Dependencies
+        run: |
+          sudo apt install -y clang cmake g++ gcc lcov
+      - name: Fetch coveralls
+        if: matrix.flavor == 'Coverage'
+        run: |
+          pip install --user cpp-coveralls
+
+      - name: Build & Run
+        run: |
+          cmake -DCMAKE_BUILD_TYPE=${{ matrix.flavor }} -DSUPPORT_STDIOSTREAM=ON -DTESTING=ON -DFORMAT=${{ matrix.compiler.FORMAT }} .
+          make check
+
+          # TODO: enable
+#      - name: Coveralls build
+#        if: matrix.flavor == 'Coverage'
+#        run: |
+#          cpp-coveralls -i matrix
+#      - name: Coveralls
+#        if: matrix.flavor == 'Coverage'
+#        uses: coverallsapp/github-action@master
+#        with:
+#          github-token: ${{ secrets.GITHUB_TOKEN }}
+

.travis.yml

@@ -1,41 +0,0 @@
-language: c
-
-env:
-  global:
-  - export COVERALLS_SERVICE_NAME=travis-ci
-  - secure: "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"
-
-matrix:
-  fast_finish: true
-  include:
-    - os: linux
-      dist: bionic
-      compiler: gcc-8
-      env: CMAKE_BUILD_TYPE=Coverage FORMAT=ON
-    - os: linux
-      dist: bionic
-      compiler: clang
-      env: CMAKE_BUILD_TYPE=Release CC=clang CXX=clang++ FORMAT=OFF
-    - os: osx
-      osx_image: xcode11.3
-      env: CMAKE_BUILD_TYPE=Release FORMAT=OFF
-
-addons:
-  apt:
-    packages:
-    - clang
-    - cmake
-    - g++-8
-    - gcc
-    - lcov
-
-install:
-  - if [ "${CMAKE_BUILD_TYPE}" = "Coverage" ]; then pip install --user cpp-coveralls; fi
-
-script:
-  - cmake -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE} -DSUPPORT_STDIOSTREAM=ON -DTESTING=ON -DFORMAT=${FORMAT} .
-  - make check
-
-after_success:
-  - if [ "${CMAKE_BUILD_TYPE}" = "Coverage" ]; then cpp-coveralls -i matrix; fi
-  - if [ "${CMAKE_BUILD_TYPE}" = "Coverage" ]; then bash <(curl -s https://codecov.io/bash) -F matrix_tests; fi