Switch CI to Github actions (#2370)

.github/workflows/TagBot.yml

@@ -9,3 +9,4 @@ jobs:
       - uses: JuliaRegistries/TagBot@v1
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
+          ssh: ${{ secrets.DOCUMENTER_KEY }}

.github/workflows/ci.yml

@@ -0,0 +1,54 @@
+name: CI
+on:
+  push:
+    branches:
+      - master
+      - /^release-.*$/
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  test:
+    name: Julia ${{ matrix.version }} - ${{ matrix.os }} - ${{ matrix.arch }} - ${{ github.event_name }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        # Since JuMP doesn't have binary dependencies, only test on a subset of
+        # possible platforms.
+        include:
+          - version: '1'
+            os: ubuntu-latest
+            arch: x64
+          - version: '1.0'
+            os: ubuntu-latest
+            arch: x64
+          - version: '1.0'
+            os: ubuntu-latest
+            arch: x86
+          - version: '1'
+            os: windows-latest
+            arch: x64
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@v1
+        with:
+          version: ${{ matrix.version }}
+          arch: ${{ matrix.arch }}
+      - uses: actions/cache@v1
+        env:
+          cache-name: cache-artifacts
+        with:
+          path: ~/.julia/artifacts
+          key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
+          restore-keys: |
+            ${{ runner.os }}-test-${{ env.cache-name }}-
+            ${{ runner.os }}-test-
+            ${{ runner.os }}-
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
+        with:
+          depwarn: error
+      - uses: julia-actions/julia-processcoverage@v1
+      - uses: codecov/codecov-action@v1
+        with:
+          file: lcov.info

.github/workflows/documentation.yml

@@ -0,0 +1,23 @@
+name: Documentation
+on:
+  push:
+    branches: [master]
+    tags: '*'
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          # Build documentation on Julia 1.0
+          version: '1.0'
+      - name: Install dependencies
+        run: julia --project=docs/ -e 'using Pkg; Pkg.develop(PackageSpec(path=pwd())); Pkg.instantiate()'
+      - name: Build and deploy
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} # For authentication with GitHub Actions token
+          DOCUMENTER_KEY: ${{ secrets.DOCUMENTER_KEY }} # For authentication with SSH deploy key
+        run: julia --project=docs/ docs/make.jl

.github/workflows/examples.yml

@@ -0,0 +1,19 @@
+name: Examples
+on:
+  push:
+    branches: [master]
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: julia-actions/setup-julia@latest
+        with:
+          # Only test examples on Julia 1.0
+          version: '1.0'
+      - name: Install dependencies
+        run: julia --project=examples -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
+      - name: Run examples
+        run: julia --project=examples --color=yes examples/run_examples.jl

README.md

@@ -51,7 +51,7 @@ JuMP makes it easy to specify and **solve optimization problems without expert k
 
 Our documentation includes an installation guide, quick-start guide, and reference manual. The **[JuMPTutorials.jl]** repository contains a small but growing collection of contributed examples. Submissions are welcome!
 
-[JuMPTutorials.jl]: https://github.com/JuliaOpt/JuMPTutorials.jl
+[JuMPTutorials.jl]: https://github.com/jump-dev/JuMPTutorials.jl
 
 **See [NEWS](https://github.com/jump-dev/JuMP.jl/tree/master/NEWS.md) for
 a list of the significant breaking changes in the JuMP 0.19 release.**
@@ -60,17 +60,15 @@ a list of the significant breaking changes in the JuMP 0.19 release.**
   * [Documentation](https://jump.dev/JuMP.jl/v0.21.5/)
   * [Examples](https://github.com/jump-dev/JuMP.jl/tree/release-0.21/examples)
   * Testing status:
-    * TravisCI: [![Build Status](https://travis-ci.com/jump-dev/JuMP.jl.svg?branch=release-0.21)](https://travis-ci.org/JuliaOpt/JuMP.jl)
+    * Github Actions: [![Build Status](https://github.com/jump-dev/JuMP.jl/workflows/CI/badge.svg?branch=release-0.21)](https://github.com/jump-dev/JuMP.jl/actions?query=workflow%3ACI)
 
 
 **Development version** (`master` branch):
   * [Documentation](https://jump.dev/JuMP.jl/dev/)
   * [Examples](https://github.com/jump-dev/JuMP.jl/tree/master/examples)
   * Testing status:
-    * TravisCI: [![Build Status](https://travis-ci.com/jump-dev/JuMP.jl.svg?branch=master)](https://travis-ci.org/JuliaOpt/JuMP.jl)
-    * Test coverage:
-      [![Coverage Status](https://coveralls.io/repos/jump-dev/JuMP.jl/badge.svg?branch=master)](https://coveralls.io/r/jump-dev/JuMP.jl?branch=master)
-      [![codecov](https://codecov.io/gh/jump-dev/JuMP.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/JuliaOpt/JuMP.jl)
+    * Github Actions: [![Build Status](https://github.com/jump-dev/JuMP.jl/workflows/CI/badge.svg?branch=master)](https://github.com/jump-dev/JuMP.jl/actions?query=workflow%3ACI)
+    * Test coverage: [![codecov](https://codecov.io/gh/jump-dev/JuMP.jl/branch/master/graph/badge.svg)](https://codecov.io/gh/jump-dev/JuMP.jl)
   * Changes: see [NEWS](https://github.com/jump-dev/JuMP.jl/tree/master/NEWS.md)
   * [Developer chatroom](https://gitter.im/JuliaOpt/JuMP-dev)