GitHub workflows (#533)

* add CI workflow for lts / nightly with program cache
* remove travis & appveyor

Author: vincenthz

.appveyor.yml

@@ -0,0 +1,40 @@
+on: [push, pull_request]
+
+name: Continuous integration
+
+jobs:
+  test:
+    name: Test Suite
+    strategy:
+      matrix:
+        config:
+          # main lts
+          - { os: ubuntu-latest, resolver: lts-15.0 }
+          - { os: windows-latest, resolver: lts-15.0 }
+          - { os: macos-latest, resolver: lts-15.0 }
+          # other resolvers
+          - { os: ubuntu-latest, resolver: nightly }
+          - { os: ubuntu-latest, resolver: lts-14.27 }
+          - { os: ubuntu-latest, resolver: lts-12.26 }
+    runs-on: ${{ matrix.config.os }}
+    steps:
+      - uses: actions/checkout@v1
+      - name: Install Stack
+        if: matrix.config.os != 'ubuntu-latest'
+        run: curl -sSL https://get.haskellstack.org/ | sh
+
+      - name: cache programs
+        id: cache-programs
+        uses: actions/cache@v1
+        with:
+          path: ~/.stack/programs
+          key: programs-${{ matrix.config.os }}-${{ matrix.config.resolver }}
+
+      - name: Setup
+        if: steps.cache-programs.outputs.cache-hit != 'true'
+        run: stack setup --resolver ${{ matrix.config.resolver }}
+
+      - name: Build
+        run: stack build --resolver ${{ matrix.config.resolver }} --test --no-run-tests
+      - name: run tests
+        run: stack test --resolver ${{ matrix.config.resolver }}

.github/workflows/main.yml

@@ -1,8 +1,7 @@
 Foundation
 ==========
 
-[![Linux Build Status](https://img.shields.io/travis/haskell-foundation/foundation/master.svg?label=Linux%20build)](https://travis-ci.org/haskell-foundation/foundation)
-[![Windows Build Status](https://img.shields.io/appveyor/ci/vincenthz/foundation/master.svg?label=Windows%20build)](https://ci.appveyor.com/project/vincenthz/foundation/branch/master)
+![Continuous integration](https://github.com/haskell-foundation/foundation/workflows/Continuous%20integration/badge.svg)
 [![Doc](https://readthedocs.org/projects/haskell-foundation/badge/?version=latest)](http://haskell-foundation.readthedocs.io/en/latest/)
 [![Stackage version](https://www.stackage.org/package/foundation/badge/lts?label=Stackage)](https://www.stackage.org/package/foundation)
 [![Hackage version](https://img.shields.io/hackage/v/foundation.svg?label=Hackage)](https://hackage.haskell.org/package/foundation)

.travis.yml

@@ -1,3 +1,3 @@
 # ~*~ auto-generated by haskell-ci with config : 5fcf42690a95126489f593db1999c5b25084b4dec209b49ed45d1bdbc875ba2e ~*~
-{ resolver: ghc-8.8.1, packages: [ foundation/, basement/ ], extra-deps: [ "gauge-0.2.4@sha256:b8b19a8c13ab79097726d0edf91297ccd3eede053d1de47e3ac67f1252cc33c2,3777", "vector-0.12.0.3@sha256:1422b0bcf4e7675116ca8d9f473bf239850c58c4518a56010e3bfebeac345ace,7171", "primitive-0.7.0.0@sha256:ee352d97cc390d8513530029a2213a95c179a66c406906b18d03702c1d9ab8e5,3416" ], flags: {} }
+{ resolver: lts-14.27, packages: [ foundation/, basement/ ], extra-deps: [], flags: {} }